helpers documentation and minor update and fixes

2021-01-09 22:31:26 +01:00 · 2021-01-09 22:31:26 +01:00 · 4be70cfef8
commit 4be70cfef8
parent 53e9e080f8
97 changed files with 21280 additions and 41 deletions
--- a/init.py
+++ b/init.py
@ -1,8 +1,42 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+"""
+helpers (Helpers)
+=================
+
+**Author:**
+
+* Dirk Alders <sudo-dirk@mount-mockery.de>
+
+**Description:**
+
+    This module supports functions and classes which don't have an own Module (yet).
+
+**Submodules:**
+
+* :class:`helpers.continues_statistic`
+* :class:`helpers.continues_statistic_multivalue`
+* :class:`helpers.direct_socket_client`
+* :class:`helpers.direct_socket_server`
+* :class:`helpers.ringbuffer`
+
+**Unittest:**
+
+    See also the :download:`unittest <helpers/_testresults_/unittest.pdf>` documentation.
+
+**Module Documentation:**
+
+"""
 import logging
 import numbers
 import os
 import time

+import stringtools
+import task
+__DEPENDENCIES__ = ['stringtools', 'task', ]
+
 try:
    from config import APP_NAME as ROOT_LOGGER_NAME
 except ImportError:
@ -11,12 +45,47 @@ except ImportError:
 logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__)


+__DESCRIPTION__ = """The Module {\\tt %s} is designed to help with some function which don't have an own Module (yet).
+For more Information read the documentation.""" % __name__.replace('_', '\_')
+"""The Module Description"""
+__INTERPRETER__ = (2, 3)
+"""The Tested Interpreter-Versions"""
+
+
 class continues_statistic(dict):
-    def __init__(self, mean=None, min_val=None, max_val=None, quantifier=None):
+    """
+    This class stores a statistic for a stream of values. The statistic includes: mean, min, max, quantifier.
+
+    .. note:: You can use the mathematic operators "+, +=" to add a value to the statistic.
+
+    :param mean: The mean start value, the start value or None.
+    :type mean: numeric
+    :param min_val: The min start value or None
+    :type min_val: numeric
+    :param max_val: The max start value or None
+    :type max_val: numeric
+    :param quantifier: The quantifier start value or 0
+    :type quantifier: int
+
+    .. note:: You are able to initialise this class in the following ways:
+
+              * Without arguments to get an empty instance
+              * With one single value to get an starting instance
+              * With mean, min_val, max_val, quantifier to initialise an existing statistic
+
+    **Example:**
+
+    .. literalinclude:: helpers/_examples_/continues_statistic.py
+
+    Will result to the following output:
+
+    .. literalinclude:: helpers/_examples_/continues_statistic.log
+    """
+    def __init__(self, mean=None, min_val=None, max_val=None, quantifier=0):
        dict.__init__(self)
        if mean is None:
-            self.__init_data__(None, None, None, None)
-        elif min_val is not None and max_val is not None and quantifier is not None:
+            self.__init_data__(None, None, None, 0)
+        elif min_val is not None and max_val is not None and quantifier > 0:
            self.__init_data__(mean, min_val, max_val, quantifier)
        else:
            self.__init_data__(mean, mean, mean, 1)
@ -27,78 +96,375 @@ class continues_statistic(dict):
        self['min_val'] = min_val
        self['mean'] = mean

-    def expand(self, value):
-        if self['quantifier'] is None:
-            self.__init_data__(value, value, value, 1)
-        else:
-            cs_sum = self + continues_statistic(value)
-            for key in self:
-                self[key] = cs_sum[key]
-
    def __add__(self, other):
-        rv = continues_statistic()
-        rv['mean'] = (self.mean * self.quantifier + other.mean * other.quantifier) / (self.quantifier + other.quantifier)
-        rv['min_val'] = min(self.min, other.min)
-        rv['max_val'] = max(self.max, other.max)
-        rv['quantifier'] = self.quantifier + other.quantifier
-        return rv
+        if self.quantifier == 0:
+            return continues_statistic(**other)
+        elif other.quantifier == 0:
+            return continues_statistic(**self)
+        else:
+            return continues_statistic(
+                mean=(self.mean * self.quantifier + other.mean * other.quantifier) / (self.quantifier + other.quantifier),
+                min_val=min(self.min, other.min),
+                max_val=max(self.max, other.max),
+                quantifier=self.quantifier + other.quantifier,
+            )

    @property
    def mean(self):
+        """
+        The current mean value.
+        """
        return self.get('mean')

    @property
    def min(self):
+        """
+        The current min value.
+        """
        return self.get('min_val')

    @property
    def max(self):
+        """
+        The current max value.
+        """
        return self.get('max_val')

    @property
    def quantifier(self):
+        """
+        The current quantifier (number of values for continues statistic).
+        """
        return self.get('quantifier')

    def pop(self):
-        rv = continues_statistic(self.mean, self.min, self.max, self.quantifier)
-        self.__init_data__(None, None, None, None)
-        return rv
+        """
+        This pops out the current statistic data and returns these as an instance of :class:`helpers.continues_statistic`.
+
+        :returns: The current statistic or None, if no value is available.
+        :rtype: :class:`helpers.continues_statistic` or None
+        """
+        if self.quantifier == 0:
+            return None
+        else:
+            rv = continues_statistic(self.mean, self.min, self.max, self.quantifier)
+            self.__init_data__(None, None, None, 0)
+            return rv

    def __str__(self):
        return "mean=%(mean)s, min=%(min_val)s, max=%(max_val)s, quantifier=%(quantifier)s" % self


 class continues_statistic_multivalue(dict):
-    def __init__(self, **kwargs):
-        dict.__init__(self)
-        for key in kwargs:
-            if type(kwargs[key]) is continues_statistic:
-                self[key] = kwargs[key]
-            elif type(kwargs[key]) is dict:
-                self[key] = continues_statistic(**kwargs[key])
-            else:
-                self[key] = continues_statistic(kwargs[key])
+    """
+    This class stores multiple statistics of stream values. The statistic of each value is stored as :class:`helpers.continues_statistic`.

-    def expand(self, **kwargs):
-        for key in kwargs:
-            if key in self:
-                self[key].expand(kwargs[key])
-            else:
-                self[key] = continues_statistic(kwargs[key])
+    .. note:: You can use the mathematic operators "+, +=" to add instances.
+
+    .. note:: You are able to initialise this class in the following ways:
+
+              * Without arguments to get an empty instance
+              * With a keword argument(s) which will be passed to :class:`continues_statistic`
+              * With a dict equivalent of :class:`continues_statistic_multivalue` to initialise an existing statistic
+
+    **Example:**
+
+    .. literalinclude:: helpers/_examples_/continues_statistic_multivalue.py
+
+    Will result to the following output:
+
+    .. literalinclude:: helpers/_examples_/continues_statistic_multivalue.log
+    """
+    def __init__(self, *args, **kwargs):
+        dict.__init__(self)
+        if len(args) == 0 and len(kwargs) >= 0:
+            for key in kwargs:
+                if type(kwargs[key]) is continues_statistic:
+                    self[key] = kwargs[key]
+                elif type(kwargs[key]) is dict:
+                    self[key] = continues_statistic(**kwargs[key])
+                else:
+                    self[key] = continues_statistic(kwargs[key])
+        elif len(args) == 1 and len(kwargs) == 0:
+            for key in args[0]:
+                self[key] = continues_statistic(**args[0][key])
+        else:
+            raise TypeError("No valid initialisation value(s)!")
+
+    def __add__(self, other):
+        rv_dict = {}
+        for key in set(list(self.keys()) + list(other.keys())):
+            rv_dict[key] = self.get(key, continues_statistic()) + other.get(key, continues_statistic())
+        return continues_statistic_multivalue(**rv_dict)

    def pop(self, key=None):
+        """
+        This pops out the current statistic data for a given key and returns these as an instance of :class:`helpers.continues_statistic`.
+
+        If no key is given it pops out the current statistic data and returns these as an instance of :class:`helpers.continues_statistic_multiple`.
+
+        :param key: The key to get data for
+        :type key: str or NoneType
+
+        :returns: The current statistic or None, if no value is available.
+        :rtype: :class:`helpers.continues_statistic` or None
+        """
        if key is None:
-            rv = continues_statistic_multivalue(**self)
-            self.clear()
-            return rv
+            if len(self) == 0:
+                return None
+            else:
+                rv = continues_statistic_multivalue(**self)
+                self.clear()
+                return rv
        else:
            return self[key].pop()

    def __str__(self):
-        return '\n'.join([key + ': ' + str(self[key]) for key in self])
+        if len(self) == 0:
+            return '-'
+        else:
+            return '\n'.join([key + ': ' + str(self[key]) for key in self])
+
+
+class direct_socket_base(object):
+    """
+    This is the base class for other classes in this module.
+    """
+    DEFAULT_CHANNEL_NAME = 'all_others'
+
+    def __init__(self, max_len=None, virtual_rate_bps=None):
+        self.__max_length__ = max_len
+        self.__rate_bps__ = virtual_rate_bps
+        #
+        self.init_channel_name()
+        self.__queue__ = task.threaded_queue()
+        self.__queue__.run()
+        #
+        self.__remote_socket__ = None
+        self.__last_remote_socket__ = None
+        self.__data_callback__ = None
+        self.__connect_callback__ = None
+        self.__disconnect_callback__ = None
+        #
+        self.__clean_buffer__()
+
+    def __chunks__(self, data):
+        chunks = []
+        if self.__max_length__ is None:
+            chunks.append(data)
+        else:
+            for i in range(0, len(data), self.__max_length__):
+                chunks.append(data[i:i + self.__max_length__])
+        return chunks
+
+    def __clean_buffer__(self):
+        self.__rx_buffer__ = b''
+        self.logger.info('%s Cleaning RX-Buffer...', self.__log_prefix__())
+
+    def __connect__(self, remote_socket):
+        if self.__remote_socket__ is None:
+            self.__remote_socket__ = remote_socket
+            self.logger.info('%s Connection established...', self.__log_prefix__())
+            self.__clean_buffer__()
+            if self.__connect_callback__ is not None:
+                self.__connect_callback__()
+            remote_socket.__connect__(self)
+
+    def __log_prefix__(self):
+        return 'Client:' if self.IS_CLIENT else 'Server:'
+
+    def __rx__(self, data):
+        self.__rx_buffer__ += data
+        self.logger.debug('%s RX <- %s', self.__log_prefix__(), stringtools.hexlify(data))
+        if self.__data_callback__ is not None:
+            self.__data_callback__(self)
+
+    def __tx__(self, q, data):
+        self.logger.debug('%s TX -> %s', self.__log_prefix__(), stringtools.hexlify(data))
+        if self.__rate_bps__ is not None:
+            time.sleep(len(data) / self.__rate_bps__)
+        self.__remote_socket__.__rx__(data)
+
+    def disconnect(self):
+        """
+        Method to disconnect client and server.
+        """
+        if self.__remote_socket__ is not None:
+            self.__last_remote_socket__ = self.__remote_socket__
+            self.__remote_socket__ = None
+            self.logger.info('%s Connection Lost...', self.__log_prefix__())
+            if self.__disconnect_callback__ is not None:
+                self.__disconnect_callback__()
+            self.__last_remote_socket__.disconnect()
+
+    def init_channel_name(self, channel_name=None):
+        """
+        With this Method, the channel name for logging can be changed.
+
+        :param channel_name: The name for the logging channel
+        :type channel_name: str
+        """
+        if channel_name is None:
+            self.logger = logger.getChild(self.DEFAULT_CHANNEL_NAME)
+        else:
+            self.logger = logger.getChild(channel_name)
+
+    def is_connected(self):
+        """
+        With this Method the connection status can be identified.
+
+        :return: True, if a connection is established, otherwise False.
+        :rtype: bool
+        """
+        return self.__remote_socket__ is not None
+
+    def receive(self, timeout=1.0, num=None):
+        """
+        This method returns received data.
+
+        :param timeout: The timeout for receiving data (at least after the timeout the method returns data or None).
+        :type timeout: float
+        :param num: the number of bytes to receive (use None to get all available data).
+        :type num: int or None
+        :return: The received data.
+        :rtype: bytes
+        """
+        i = 0
+        while len(self.__rx_buffer__) < (num or 1) and i < timeout * 10:
+            i += 1
+            time.sleep(.1)
+        if len(self.__rx_buffer__) < (num or 1):
+            return b''
+        else:
+            if num is None:
+                rv = self.__rx_buffer__
+                self.__rx_buffer__ = b''
+            else:
+                rv = self.__rx_buffer__[:num]
+                self.__rx_buffer__ = self.__rx_buffer__[num:]
+            return rv
+
+    def register_callback(self, callback):
+        """
+        This method stores the callback which is executed, if data is available. You need to execute :func:`receive` of this instance
+        given as first argument.
+
+        :param callback: The callback which will be executed, when data is available.
+        :type callback:
+        """
+        self.__data_callback__ = callback
+
+    def register_connect_callback(self, callback):
+        """
+        This method stores the callback which is executed, if a connection is established.
+
+        :param callback: The callback which will be executed, when a connection is established.
+        :type callback:
+        """
+        self.__connect_callback__ = callback
+
+    def register_disconnect_callback(self, callback):
+        """
+        This method stores the callback which is executed, after the connection is lost.
+
+        :param callback: The callback which will be executed, after the connection is lost.
+        :type callback:
+        """
+        self.__disconnect_callback__ = callback
+
+    def send(self, data, timeout=1.0):
+        """
+        This method sends data via the initiated communication channel.
+
+        :param data: The data to be send over the communication channel.
+        :type data: bytes
+        :param timeout: The timeout for sending data (e.g. time to establish new connection).
+        :type timeout: float
+        :param log_lvl: The log level to log outgoing TX-data
+        :type log_lvl: int
+        :return: True if data had been sent, otherwise False.
+        :rtype: bool
+        """
+        i = 0
+        while not self.is_connected() and i < timeout * 10:
+            i += 1
+            time.sleep(.1)
+        if not self.is_connected():
+            return False
+        else:
+            for tx_data in self.__chunks__(data):
+                self.__queue__.enqueue(1, self.__tx__, tx_data)
+        return True
+
+
+class direct_socket_client(direct_socket_base):
+    """
+    Class to create a direct client socket. See also parent :class:`helpers.direct_socket_base`.
+
+    **Example:**
+
+    .. literalinclude:: helpers/_examples_/direct_socket.py
+
+    Will result to the following output:
+
+    .. literalinclude:: helpers/_examples_/direct_socket.log
+    """
+    IS_CLIENT = True
+
+    def connect(self, remote_socket):
+        """
+        Method to create a connection between this client and a :class:`helpers.direct_socket_server` instance.
+
+        :param remote_socket: The remote socket to connect to.
+        :type remote_socket: :class:`helpers.direct_socket_server`
+        """
+        self.__connect__(remote_socket)
+
+    def reconnect(self):
+        """
+        Method to do a reconnect.
+
+        .. note:: The :const:`remote_socket` of the prefious :func:`connect` call will be used.
+        """
+        if self.__last_remote_socket__ is not None and self.__remote_socket__ is None:
+            self.connect(self.__last_remote_socket__)
+            return True
+        return False
+
+
+class direct_socket_server(direct_socket_base):
+    """
+    Class to create a direct server socket. See also parent :class:`helpers.direct_socket_base`.
+
+    **Example:**
+
+    .. literalinclude:: helpers/_examples_/direct_socket.py
+
+    Will result to the following output:
+
+    .. literalinclude:: helpers/_examples_/direct_socket.log
+    """
+    IS_CLIENT = False
+
+    def __init__(self, *args, **kwargs):
+        direct_socket_base.__init__(self, *args, **kwargs)
+        self.logger.info('%s Waiting for incomming connection', self.__log_prefix__())


 class ringbuffer(list):
+    """
+    Class for a list with a limited number of elements.
+
+    .. note:: On adding Objects, the list will be reduced to the maximum length by deleting entries starting from index 0.
+
+    **Example:**
+
+    .. literalinclude:: helpers/_examples_/ringbuffer.py
+
+    Will result to the following output:
+
+    .. literalinclude:: helpers/_examples_/ringbuffer.log
+    """
    def __init__(self, *args, **kwargs):
        self.__max_length__ = kwargs.pop('length')
        list.__init__(self, *args, **kwargs)
@ -108,7 +474,12 @@ class ringbuffer(list):
        while len(self) > self.__max_length__:
            self.pop(0)

-    def append(self, *args, **kwargs):
-        rv = list.append(self, *args, **kwargs)
+    def append(self, obj):
+        rv = list.append(self, obj)
+        self.__reduce_list__()
+        return rv
+
+    def extend(self, iterable):
+        rv = list.extend(self, iterable)
        self.__reduce_list__()
        return rv
--- a/_docs_/.buildinfo
+++ b/_docs_/.buildinfo
@ -0,0 +1,4 @@
+# Sphinx build info version 1
+# This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
+config: 92ca02cc31493b7a2ad09dbb3dbe7d60
+tags: 645f666f9bcd5a90fca523b33c5a78b7
--- a/_docs_/_downloads/fc87e95cc505cb0c7a476506dac46609/unittest.pdf
+++ b/_docs_/_downloads/fc87e95cc505cb0c7a476506dac46609/unittest.pdf
--- a/_docs_/_sources/index.rst.txt
+++ b/_docs_/_sources/index.rst.txt
@ -0,0 +1,23 @@
+.. helpers documentation master file, created by
+   sphinx-quickstart on Sat Jan  9 17:41:34 2021.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+Welcome to helpers's documentation!
+===================================
+
+.. automodule:: helpers
+   :members:
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`
--- a/_docs_/_static/basic.css
+++ b/_docs_/_static/basic.css
@ -0,0 +1,676 @@
+/*
+ * basic.css
+ * ~~~~~~~~~
+ *
+ * Sphinx stylesheet -- basic theme.
+ *
+ * :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+/* -- main layout ----------------------------------------------------------- */
+
+div.clearer {
+    clear: both;
+}
+
+/* -- relbar ---------------------------------------------------------------- */
+
+div.related {
+    width: 100%;
+    font-size: 90%;
+}
+
+div.related h3 {
+    display: none;
+}
+
+div.related ul {
+    margin: 0;
+    padding: 0 0 0 10px;
+    list-style: none;
+}
+
+div.related li {
+    display: inline;
+}
+
+div.related li.right {
+    float: right;
+    margin-right: 5px;
+}
+
+/* -- sidebar --------------------------------------------------------------- */
+
+div.sphinxsidebarwrapper {
+    padding: 10px 5px 0 10px;
+}
+
+div.sphinxsidebar {
+    float: left;
+    width: 230px;
+    margin-left: -100%;
+    font-size: 90%;
+    word-wrap: break-word;
+    overflow-wrap : break-word;
+}
+
+div.sphinxsidebar ul {
+    list-style: none;
+}
+
+div.sphinxsidebar ul ul,
+div.sphinxsidebar ul.want-points {
+    margin-left: 20px;
+    list-style: square;
+}
+
+div.sphinxsidebar ul ul {
+    margin-top: 0;
+    margin-bottom: 0;
+}
+
+div.sphinxsidebar form {
+    margin-top: 10px;
+}
+
+div.sphinxsidebar input {
+    border: 1px solid #98dbcc;
+    font-family: sans-serif;
+    font-size: 1em;
+}
+
+div.sphinxsidebar #searchbox form.search {
+    overflow: hidden;
+}
+
+div.sphinxsidebar #searchbox input[type="text"] {
+    float: left;
+    width: 80%;
+    padding: 0.25em;
+    box-sizing: border-box;
+}
+
+div.sphinxsidebar #searchbox input[type="submit"] {
+    float: left;
+    width: 20%;
+    border-left: none;
+    padding: 0.25em;
+    box-sizing: border-box;
+}
+
+
+img {
+    border: 0;
+    max-width: 100%;
+}
+
+/* -- search page ----------------------------------------------------------- */
+
+ul.search {
+    margin: 10px 0 0 20px;
+    padding: 0;
+}
+
+ul.search li {
+    padding: 5px 0 5px 20px;
+    background-image: url(file.png);
+    background-repeat: no-repeat;
+    background-position: 0 7px;
+}
+
+ul.search li a {
+    font-weight: bold;
+}
+
+ul.search li div.context {
+    color: #888;
+    margin: 2px 0 0 30px;
+    text-align: left;
+}
+
+ul.keywordmatches li.goodmatch a {
+    font-weight: bold;
+}
+
+/* -- index page ------------------------------------------------------------ */
+
+table.contentstable {
+    width: 90%;
+    margin-left: auto;
+    margin-right: auto;
+}
+
+table.contentstable p.biglink {
+    line-height: 150%;
+}
+
+a.biglink {
+    font-size: 1.3em;
+}
+
+span.linkdescr {
+    font-style: italic;
+    padding-top: 5px;
+    font-size: 90%;
+}
+
+/* -- general index --------------------------------------------------------- */
+
+table.indextable {
+    width: 100%;
+}
+
+table.indextable td {
+    text-align: left;
+    vertical-align: top;
+}
+
+table.indextable ul {
+    margin-top: 0;
+    margin-bottom: 0;
+    list-style-type: none;
+}
+
+table.indextable > tbody > tr > td > ul {
+    padding-left: 0em;
+}
+
+table.indextable tr.pcap {
+    height: 10px;
+}
+
+table.indextable tr.cap {
+    margin-top: 10px;
+    background-color: #f2f2f2;
+}
+
+img.toggler {
+    margin-right: 3px;
+    margin-top: 3px;
+    cursor: pointer;
+}
+
+div.modindex-jumpbox {
+    border-top: 1px solid #ddd;
+    border-bottom: 1px solid #ddd;
+    margin: 1em 0 1em 0;
+    padding: 0.4em;
+}
+
+div.genindex-jumpbox {
+    border-top: 1px solid #ddd;
+    border-bottom: 1px solid #ddd;
+    margin: 1em 0 1em 0;
+    padding: 0.4em;
+}
+
+/* -- domain module index --------------------------------------------------- */
+
+table.modindextable td {
+    padding: 2px;
+    border-collapse: collapse;
+}
+
+/* -- general body styles --------------------------------------------------- */
+
+div.body {
+    min-width: 450px;
+    max-width: 800px;
+}
+
+div.body p, div.body dd, div.body li, div.body blockquote {
+    -moz-hyphens: auto;
+    -ms-hyphens: auto;
+    -webkit-hyphens: auto;
+    hyphens: auto;
+}
+
+a.headerlink {
+    visibility: hidden;
+}
+
+h1:hover > a.headerlink,
+h2:hover > a.headerlink,
+h3:hover > a.headerlink,
+h4:hover > a.headerlink,
+h5:hover > a.headerlink,
+h6:hover > a.headerlink,
+dt:hover > a.headerlink,
+caption:hover > a.headerlink,
+p.caption:hover > a.headerlink,
+div.code-block-caption:hover > a.headerlink {
+    visibility: visible;
+}
+
+div.body p.caption {
+    text-align: inherit;
+}
+
+div.body td {
+    text-align: left;
+}
+
+.first {
+    margin-top: 0 !important;
+}
+
+p.rubric {
+    margin-top: 30px;
+    font-weight: bold;
+}
+
+img.align-left, .figure.align-left, object.align-left {
+    clear: left;
+    float: left;
+    margin-right: 1em;
+}
+
+img.align-right, .figure.align-right, object.align-right {
+    clear: right;
+    float: right;
+    margin-left: 1em;
+}
+
+img.align-center, .figure.align-center, object.align-center {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.align-left {
+    text-align: left;
+}
+
+.align-center {
+    text-align: center;
+}
+
+.align-right {
+    text-align: right;
+}
+
+/* -- sidebars -------------------------------------------------------------- */
+
+div.sidebar {
+    margin: 0 0 0.5em 1em;
+    border: 1px solid #ddb;
+    padding: 7px 7px 0 7px;
+    background-color: #ffe;
+    width: 40%;
+    float: right;
+}
+
+p.sidebar-title {
+    font-weight: bold;
+}
+
+/* -- topics ---------------------------------------------------------------- */
+
+div.topic {
+    border: 1px solid #ccc;
+    padding: 7px 7px 0 7px;
+    margin: 10px 0 10px 0;
+}
+
+p.topic-title {
+    font-size: 1.1em;
+    font-weight: bold;
+    margin-top: 10px;
+}
+
+/* -- admonitions ----------------------------------------------------------- */
+
+div.admonition {
+    margin-top: 10px;
+    margin-bottom: 10px;
+    padding: 7px;
+}
+
+div.admonition dt {
+    font-weight: bold;
+}
+
+div.admonition dl {
+    margin-bottom: 0;
+}
+
+p.admonition-title {
+    margin: 0px 10px 5px 0px;
+    font-weight: bold;
+}
+
+div.body p.centered {
+    text-align: center;
+    margin-top: 25px;
+}
+
+/* -- tables ---------------------------------------------------------------- */
+
+table.docutils {
+    border: 0;
+    border-collapse: collapse;
+}
+
+table.align-center {
+    margin-left: auto;
+    margin-right: auto;
+}
+
+table caption span.caption-number {
+    font-style: italic;
+}
+
+table caption span.caption-text {
+}
+
+table.docutils td, table.docutils th {
+    padding: 1px 8px 1px 5px;
+    border-top: 0;
+    border-left: 0;
+    border-right: 0;
+    border-bottom: 1px solid #aaa;
+}
+
+table.footnote td, table.footnote th {
+    border: 0 !important;
+}
+
+th {
+    text-align: left;
+    padding-right: 5px;
+}
+
+table.citation {
+    border-left: solid 1px gray;
+    margin-left: 1px;
+}
+
+table.citation td {
+    border-bottom: none;
+}
+
+/* -- figures --------------------------------------------------------------- */
+
+div.figure {
+    margin: 0.5em;
+    padding: 0.5em;
+}
+
+div.figure p.caption {
+    padding: 0.3em;
+}
+
+div.figure p.caption span.caption-number {
+    font-style: italic;
+}
+
+div.figure p.caption span.caption-text {
+}
+
+/* -- field list styles ----------------------------------------------------- */
+
+table.field-list td, table.field-list th {
+    border: 0 !important;
+}
+
+.field-list ul {
+    margin: 0;
+    padding-left: 1em;
+}
+
+.field-list p {
+    margin: 0;
+}
+
+.field-name {
+    -moz-hyphens: manual;
+    -ms-hyphens: manual;
+    -webkit-hyphens: manual;
+    hyphens: manual;
+}
+
+/* -- hlist styles ---------------------------------------------------------- */
+
+table.hlist td {
+    vertical-align: top;
+}
+
+
+/* -- other body styles ----------------------------------------------------- */
+
+ol.arabic {
+    list-style: decimal;
+}
+
+ol.loweralpha {
+    list-style: lower-alpha;
+}
+
+ol.upperalpha {
+    list-style: upper-alpha;
+}
+
+ol.lowerroman {
+    list-style: lower-roman;
+}
+
+ol.upperroman {
+    list-style: upper-roman;
+}
+
+dl {
+    margin-bottom: 15px;
+}
+
+dd p {
+    margin-top: 0px;
+}
+
+dd ul, dd table {
+    margin-bottom: 10px;
+}
+
+dd {
+    margin-top: 3px;
+    margin-bottom: 10px;
+    margin-left: 30px;
+}
+
+dt:target, span.highlighted {
+    background-color: #fbe54e;
+}
+
+rect.highlighted {
+    fill: #fbe54e;
+}
+
+dl.glossary dt {
+    font-weight: bold;
+    font-size: 1.1em;
+}
+
+.optional {
+    font-size: 1.3em;
+}
+
+.sig-paren {
+    font-size: larger;
+}
+
+.versionmodified {
+    font-style: italic;
+}
+
+.system-message {
+    background-color: #fda;
+    padding: 5px;
+    border: 3px solid red;
+}
+
+.footnote:target  {
+    background-color: #ffa;
+}
+
+.line-block {
+    display: block;
+    margin-top: 1em;
+    margin-bottom: 1em;
+}
+
+.line-block .line-block {
+    margin-top: 0;
+    margin-bottom: 0;
+    margin-left: 1.5em;
+}
+
+.guilabel, .menuselection {
+    font-family: sans-serif;
+}
+
+.accelerator {
+    text-decoration: underline;
+}
+
+.classifier {
+    font-style: oblique;
+}
+
+abbr, acronym {
+    border-bottom: dotted 1px;
+    cursor: help;
+}
+
+/* -- code displays --------------------------------------------------------- */
+
+pre {
+    overflow: auto;
+    overflow-y: hidden;  /* fixes display issues on Chrome browsers */
+}
+
+span.pre {
+    -moz-hyphens: none;
+    -ms-hyphens: none;
+    -webkit-hyphens: none;
+    hyphens: none;
+}
+
+td.linenos pre {
+    padding: 5px 0px;
+    border: 0;
+    background-color: transparent;
+    color: #aaa;
+}
+
+table.highlighttable {
+    margin-left: 0.5em;
+}
+
+table.highlighttable td {
+    padding: 0 0.5em 0 0.5em;
+}
+
+div.code-block-caption {
+    padding: 2px 5px;
+    font-size: small;
+}
+
+div.code-block-caption code {
+    background-color: transparent;
+}
+
+div.code-block-caption + div > div.highlight > pre {
+    margin-top: 0;
+}
+
+div.code-block-caption span.caption-number {
+    padding: 0.1em 0.3em;
+    font-style: italic;
+}
+
+div.code-block-caption span.caption-text {
+}
+
+div.literal-block-wrapper {
+    padding: 1em 1em 0;
+}
+
+div.literal-block-wrapper div.highlight {
+    margin: 0;
+}
+
+code.descname {
+    background-color: transparent;
+    font-weight: bold;
+    font-size: 1.2em;
+}
+
+code.descclassname {
+    background-color: transparent;
+}
+
+code.xref, a code {
+    background-color: transparent;
+    font-weight: bold;
+}
+
+h1 code, h2 code, h3 code, h4 code, h5 code, h6 code {
+    background-color: transparent;
+}
+
+.viewcode-link {
+    float: right;
+}
+
+.viewcode-back {
+    float: right;
+    font-family: sans-serif;
+}
+
+div.viewcode-block:target {
+    margin: -1px -10px;
+    padding: 0 10px;
+}
+
+/* -- math display ---------------------------------------------------------- */
+
+img.math {
+    vertical-align: middle;
+}
+
+div.body div.math p {
+    text-align: center;
+}
+
+span.eqno {
+    float: right;
+}
+
+span.eqno a.headerlink {
+    position: relative;
+    left: 0px;
+    z-index: 1;
+}
+
+div.math:hover a.headerlink {
+    visibility: visible;
+}
+
+/* -- printout stylesheet --------------------------------------------------- */
+
+@media print {
+    div.document,
+    div.documentwrapper,
+    div.bodywrapper {
+        margin: 0 !important;
+        width: 100%;
+    }
+
+    div.sphinxsidebar,
+    div.related,
+    div.footer,
+    #top-link {
+        display: none;
+    }
+}
--- a/_docs_/_static/css/badge_only.css
+++ b/_docs_/_static/css/badge_only.css
@ -0,0 +1 @@
+.fa:before{-webkit-font-smoothing:antialiased}.clearfix{*zoom:1}.clearfix:after,.clearfix:before{display:table;content:""}.clearfix:after{clear:both}@font-face{font-family:FontAwesome;font-style:normal;font-weight:400;src:url(fonts/fontawesome-webfont.eot?674f50d287a8c48dc19ba404d20fe713?#iefix) format("embedded-opentype"),url(fonts/fontawesome-webfont.woff2?af7ae505a9eed503f8b8e6982036873e) format("woff2"),url(fonts/fontawesome-webfont.woff?fee66e712a8a08eef5805a46892932ad) format("woff"),url(fonts/fontawesome-webfont.ttf?b06871f281fee6b241d60582ae9369b9) format("truetype"),url(fonts/fontawesome-webfont.svg?912ec66d7572ff821749319396470bde#FontAwesome) format("svg")}.fa:before{font-family:FontAwesome;font-style:normal;font-weight:400;line-height:1}.fa:before,a .fa{text-decoration:inherit}.fa:before,a .fa,li .fa{display:inline-block}li .fa-large:before{width:1.875em}ul.fas{list-style-type:none;margin-left:2em;text-indent:-.8em}ul.fas li .fa{width:.8em}ul.fas li .fa-large:before{vertical-align:baseline}.fa-book:before,.icon-book:before{content:"\f02d"}.fa-caret-down:before,.icon-caret-down:before{content:"\f0d7"}.fa-caret-up:before,.icon-caret-up:before{content:"\f0d8"}.fa-caret-left:before,.icon-caret-left:before{content:"\f0d9"}.fa-caret-right:before,.icon-caret-right:before{content:"\f0da"}.rst-versions{position:fixed;bottom:0;left:0;width:300px;color:#fcfcfc;background:#1f1d1d;font-family:Lato,proxima-nova,Helvetica Neue,Arial,sans-serif;z-index:400}.rst-versions a{color:#2980b9;text-decoration:none}.rst-versions .rst-badge-small{display:none}.rst-versions .rst-current-version{padding:12px;background-color:#272525;display:block;text-align:right;font-size:90%;cursor:pointer;color:#27ae60}.rst-versions .rst-current-version:after{clear:both;content:"";display:block}.rst-versions .rst-current-version .fa{color:#fcfcfc}.rst-versions .rst-current-version .fa-book,.rst-versions .rst-current-version .icon-book{float:left}.rst-versions .rst-current-version.rst-out-of-date{background-color:#e74c3c;color:#fff}.rst-versions .rst-current-version.rst-active-old-version{background-color:#f1c40f;color:#000}.rst-versions.shift-up{height:auto;max-height:100%;overflow-y:scroll}.rst-versions.shift-up .rst-other-versions{display:block}.rst-versions .rst-other-versions{font-size:90%;padding:12px;color:grey;display:none}.rst-versions .rst-other-versions hr{display:block;height:1px;border:0;margin:20px 0;padding:0;border-top:1px solid #413d3d}.rst-versions .rst-other-versions dd{display:inline-block;margin:0}.rst-versions .rst-other-versions dd a{display:inline-block;padding:6px;color:#fcfcfc}.rst-versions.rst-badge{width:auto;bottom:20px;right:20px;left:auto;border:none;max-width:300px;max-height:90%}.rst-versions.rst-badge .fa-book,.rst-versions.rst-badge .icon-book{float:none;line-height:30px}.rst-versions.rst-badge.shift-up .rst-current-version{text-align:right}.rst-versions.rst-badge.shift-up .rst-current-version .fa-book,.rst-versions.rst-badge.shift-up .rst-current-version .icon-book{float:left}.rst-versions.rst-badge>.rst-current-version{width:auto;height:30px;line-height:30px;padding:0 6px;display:block;text-align:center}@media screen and (max-width:768px){.rst-versions{width:85%;display:none}.rst-versions.shift{display:block}}
--- a/_docs_/_static/css/fonts/Roboto-Slab-Bold.woff
+++ b/_docs_/_static/css/fonts/Roboto-Slab-Bold.woff
--- a/_docs_/_static/css/fonts/Roboto-Slab-Bold.woff2
+++ b/_docs_/_static/css/fonts/Roboto-Slab-Bold.woff2
--- a/_docs_/_static/css/fonts/Roboto-Slab-Regular.woff
+++ b/_docs_/_static/css/fonts/Roboto-Slab-Regular.woff
--- a/_docs_/_static/css/fonts/Roboto-Slab-Regular.woff2
+++ b/_docs_/_static/css/fonts/Roboto-Slab-Regular.woff2
--- a/_docs_/_static/css/fonts/fontawesome-webfont.eot
+++ b/_docs_/_static/css/fonts/fontawesome-webfont.eot
--- a/_docs_/_static/css/fonts/fontawesome-webfont.svg
+++ b/_docs_/_static/css/fonts/fontawesome-webfont.svg
--- a/_docs_/_static/css/fonts/fontawesome-webfont.ttf
+++ b/_docs_/_static/css/fonts/fontawesome-webfont.ttf
--- a/_docs_/_static/css/fonts/fontawesome-webfont.woff
+++ b/_docs_/_static/css/fonts/fontawesome-webfont.woff
--- a/_docs_/_static/css/fonts/fontawesome-webfont.woff2
+++ b/_docs_/_static/css/fonts/fontawesome-webfont.woff2
--- a/_docs_/_static/css/fonts/lato-bold-italic.woff
+++ b/_docs_/_static/css/fonts/lato-bold-italic.woff
--- a/_docs_/_static/css/fonts/lato-bold-italic.woff2
+++ b/_docs_/_static/css/fonts/lato-bold-italic.woff2
--- a/_docs_/_static/css/fonts/lato-bold.woff
+++ b/_docs_/_static/css/fonts/lato-bold.woff
--- a/_docs_/_static/css/fonts/lato-bold.woff2
+++ b/_docs_/_static/css/fonts/lato-bold.woff2
--- a/_docs_/_static/css/fonts/lato-normal-italic.woff
+++ b/_docs_/_static/css/fonts/lato-normal-italic.woff
--- a/_docs_/_static/css/fonts/lato-normal-italic.woff2
+++ b/_docs_/_static/css/fonts/lato-normal-italic.woff2
--- a/_docs_/_static/css/fonts/lato-normal.woff
+++ b/_docs_/_static/css/fonts/lato-normal.woff
--- a/_docs_/_static/css/fonts/lato-normal.woff2
+++ b/_docs_/_static/css/fonts/lato-normal.woff2
--- a/_docs_/_static/css/theme.css
+++ b/_docs_/_static/css/theme.css
--- a/_docs_/_static/doctools.js
+++ b/_docs_/_static/doctools.js
@ -0,0 +1,315 @@
+/*
+ * doctools.js
+ * ~~~~~~~~~~~
+ *
+ * Sphinx JavaScript utilities for all documentation.
+ *
+ * :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+/**
+ * select a different prefix for underscore
+ */
+$u = _.noConflict();
+
+/**
+ * make the code below compatible with browsers without
+ * an installed firebug like debugger
+if (!window.console || !console.firebug) {
+  var names = ["log", "debug", "info", "warn", "error", "assert", "dir",
+    "dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace",
+    "profile", "profileEnd"];
+  window.console = {};
+  for (var i = 0; i < names.length; ++i)
+    window.console[names[i]] = function() {};
+}
+ */
+
+/**
+ * small helper function to urldecode strings
+ */
+jQuery.urldecode = function(x) {
+  return decodeURIComponent(x).replace(/\+/g, ' ');
+};
+
+/**
+ * small helper function to urlencode strings
+ */
+jQuery.urlencode = encodeURIComponent;
+
+/**
+ * This function returns the parsed url parameters of the
+ * current request. Multiple values per key are supported,
+ * it will always return arrays of strings for the value parts.
+ */
+jQuery.getQueryParameters = function(s) {
+  if (typeof s === 'undefined')
+    s = document.location.search;
+  var parts = s.substr(s.indexOf('?') + 1).split('&');
+  var result = {};
+  for (var i = 0; i < parts.length; i++) {
+    var tmp = parts[i].split('=', 2);
+    var key = jQuery.urldecode(tmp[0]);
+    var value = jQuery.urldecode(tmp[1]);
+    if (key in result)
+      result[key].push(value);
+    else
+      result[key] = [value];
+  }
+  return result;
+};
+
+/**
+ * highlight a given string on a jquery object by wrapping it in
+ * span elements with the given class name.
+ */
+jQuery.fn.highlightText = function(text, className) {
+  function highlight(node, addItems) {
+    if (node.nodeType === 3) {
+      var val = node.nodeValue;
+      var pos = val.toLowerCase().indexOf(text);
+      if (pos >= 0 &&
+          !jQuery(node.parentNode).hasClass(className) &&
+          !jQuery(node.parentNode).hasClass("nohighlight")) {
+        var span;
+        var isInSVG = jQuery(node).closest("body, svg, foreignObject").is("svg");
+        if (isInSVG) {
+          span = document.createElementNS("http://www.w3.org/2000/svg", "tspan");
+        } else {
+          span = document.createElement("span");
+          span.className = className;
+        }
+        span.appendChild(document.createTextNode(val.substr(pos, text.length)));
+        node.parentNode.insertBefore(span, node.parentNode.insertBefore(
+          document.createTextNode(val.substr(pos + text.length)),
+          node.nextSibling));
+        node.nodeValue = val.substr(0, pos);
+        if (isInSVG) {
+          var bbox = span.getBBox();
+          var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
+       	  rect.x.baseVal.value = bbox.x;
+          rect.y.baseVal.value = bbox.y;
+          rect.width.baseVal.value = bbox.width;
+          rect.height.baseVal.value = bbox.height;
+          rect.setAttribute('class', className);
+          var parentOfText = node.parentNode.parentNode;
+          addItems.push({
+              "parent": node.parentNode,
+              "target": rect});
+        }
+      }
+    }
+    else if (!jQuery(node).is("button, select, textarea")) {
+      jQuery.each(node.childNodes, function() {
+        highlight(this, addItems);
+      });
+    }
+  }
+  var addItems = [];
+  var result = this.each(function() {
+    highlight(this, addItems);
+  });
+  for (var i = 0; i < addItems.length; ++i) {
+    jQuery(addItems[i].parent).before(addItems[i].target);
+  }
+  return result;
+};
+
+/*
+ * backward compatibility for jQuery.browser
+ * This will be supported until firefox bug is fixed.
+ */
+if (!jQuery.browser) {
+  jQuery.uaMatch = function(ua) {
+    ua = ua.toLowerCase();
+
+    var match = /(chrome)[ \/]([\w.]+)/.exec(ua) ||
+      /(webkit)[ \/]([\w.]+)/.exec(ua) ||
+      /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) ||
+      /(msie) ([\w.]+)/.exec(ua) ||
+      ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) ||
+      [];
+
+    return {
+      browser: match[ 1 ] || "",
+      version: match[ 2 ] || "0"
+    };
+  };
+  jQuery.browser = {};
+  jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true;
+}
+
+/**
+ * Small JavaScript module for the documentation.
+ */
+var Documentation = {
+
+  init : function() {
+    this.fixFirefoxAnchorBug();
+    this.highlightSearchWords();
+    this.initIndexTable();
+    if (DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS) {
+      this.initOnKeyListeners();
+    }
+  },
+
+  /**
+   * i18n support
+   */
+  TRANSLATIONS : {},
+  PLURAL_EXPR : function(n) { return n === 1 ? 0 : 1; },
+  LOCALE : 'unknown',
+
+  // gettext and ngettext don't access this so that the functions
+  // can safely bound to a different name (_ = Documentation.gettext)
+  gettext : function(string) {
+    var translated = Documentation.TRANSLATIONS[string];
+    if (typeof translated === 'undefined')
+      return string;
+    return (typeof translated === 'string') ? translated : translated[0];
+  },
+
+  ngettext : function(singular, plural, n) {
+    var translated = Documentation.TRANSLATIONS[singular];
+    if (typeof translated === 'undefined')
+      return (n == 1) ? singular : plural;
+    return translated[Documentation.PLURALEXPR(n)];
+  },
+
+  addTranslations : function(catalog) {
+    for (var key in catalog.messages)
+      this.TRANSLATIONS[key] = catalog.messages[key];
+    this.PLURAL_EXPR = new Function('n', 'return +(' + catalog.plural_expr + ')');
+    this.LOCALE = catalog.locale;
+  },
+
+  /**
+   * add context elements like header anchor links
+   */
+  addContextElements : function() {
+    $('div[id] > :header:first').each(function() {
+      $('<a class="headerlink">\u00B6</a>').
+      attr('href', '#' + this.id).
+      attr('title', _('Permalink to this headline')).
+      appendTo(this);
+    });
+    $('dt[id]').each(function() {
+      $('<a class="headerlink">\u00B6</a>').
+      attr('href', '#' + this.id).
+      attr('title', _('Permalink to this definition')).
+      appendTo(this);
+    });
+  },
+
+  /**
+   * workaround a firefox stupidity
+   * see: https://bugzilla.mozilla.org/show_bug.cgi?id=645075
+   */
+  fixFirefoxAnchorBug : function() {
+    if (document.location.hash && $.browser.mozilla)
+      window.setTimeout(function() {
+        document.location.href += '';
+      }, 10);
+  },
+
+  /**
+   * highlight the search words provided in the url in the text
+   */
+  highlightSearchWords : function() {
+    var params = $.getQueryParameters();
+    var terms = (params.highlight) ? params.highlight[0].split(/\s+/) : [];
+    if (terms.length) {
+      var body = $('div.body');
+      if (!body.length) {
+        body = $('body');
+      }
+      window.setTimeout(function() {
+        $.each(terms, function() {
+          body.highlightText(this.toLowerCase(), 'highlighted');
+        });
+      }, 10);
+      $('<p class="highlight-link"><a href="javascript:Documentation.' +
+        'hideSearchWords()">' + _('Hide Search Matches') + '</a></p>')
+          .appendTo($('#searchbox'));
+    }
+  },
+
+  /**
+   * init the domain index toggle buttons
+   */
+  initIndexTable : function() {
+    var togglers = $('img.toggler').click(function() {
+      var src = $(this).attr('src');
+      var idnum = $(this).attr('id').substr(7);
+      $('tr.cg-' + idnum).toggle();
+      if (src.substr(-9) === 'minus.png')
+        $(this).attr('src', src.substr(0, src.length-9) + 'plus.png');
+      else
+        $(this).attr('src', src.substr(0, src.length-8) + 'minus.png');
+    }).css('display', '');
+    if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) {
+        togglers.click();
+    }
+  },
+
+  /**
+   * helper function to hide the search marks again
+   */
+  hideSearchWords : function() {
+    $('#searchbox .highlight-link').fadeOut(300);
+    $('span.highlighted').removeClass('highlighted');
+  },
+
+  /**
+   * make the url absolute
+   */
+  makeURL : function(relativeURL) {
+    return DOCUMENTATION_OPTIONS.URL_ROOT + '/' + relativeURL;
+  },
+
+  /**
+   * get the current relative url
+   */
+  getCurrentURL : function() {
+    var path = document.location.pathname;
+    var parts = path.split(/\//);
+    $.each(DOCUMENTATION_OPTIONS.URL_ROOT.split(/\//), function() {
+      if (this === '..')
+        parts.pop();
+    });
+    var url = parts.join('/');
+    return path.substring(url.lastIndexOf('/') + 1, path.length - 1);
+  },
+
+  initOnKeyListeners: function() {
+    $(document).keyup(function(event) {
+      var activeElementType = document.activeElement.tagName;
+      // don't navigate when in search box or textarea
+      if (activeElementType !== 'TEXTAREA' && activeElementType !== 'INPUT' && activeElementType !== 'SELECT') {
+        switch (event.keyCode) {
+          case 37: // left
+            var prevHref = $('link[rel="prev"]').prop('href');
+            if (prevHref) {
+              window.location.href = prevHref;
+              return false;
+            }
+          case 39: // right
+            var nextHref = $('link[rel="next"]').prop('href');
+            if (nextHref) {
+              window.location.href = nextHref;
+              return false;
+            }
+        }
+      }
+    });
+  }
+};
+
+// quick alias for translations
+_ = Documentation.gettext;
+
+$(document).ready(function() {
+  Documentation.init();
+});
--- a/_docs_/_static/documentation_options.js
+++ b/_docs_/_static/documentation_options.js
@ -0,0 +1,10 @@
+var DOCUMENTATION_OPTIONS = {
+    URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
+    VERSION: '',
+    LANGUAGE: 'None',
+    COLLAPSE_INDEX: false,
+    FILE_SUFFIX: '.html',
+    HAS_SOURCE: true,
+    SOURCELINK_SUFFIX: '.txt',
+    NAVIGATION_WITH_KEYS: false,
+};
--- a/_docs_/_static/file.png
+++ b/_docs_/_static/file.png
--- a/_docs_/_static/fonts/FontAwesome.otf
+++ b/_docs_/_static/fonts/FontAwesome.otf
--- a/_docs_/_static/fonts/Lato/lato-bold.eot
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--- a/_docs_/_static/fonts/Lato/lato-bolditalic.eot
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--- a/_docs_/_static/fonts/Lato/lato-italic.eot
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--- a/_docs_/_static/fonts/Lato/lato-italic.ttf
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--- a/_docs_/_static/fonts/Lato/lato-italic.woff
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--- a/_docs_/_static/fonts/Lato/lato-italic.woff2
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--- a/_docs_/_static/fonts/Lato/lato-regular.eot
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--- a/_docs_/_static/fonts/Lato/lato-regular.ttf
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--- a/_docs_/_static/fonts/Lato/lato-regular.woff2
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--- a/_docs_/_static/fonts/Roboto-Slab-Bold.woff
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--- a/_docs_/_static/fonts/Roboto-Slab-Bold.woff2
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--- a/_docs_/_static/fonts/Roboto-Slab-Light.woff
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--- a/_docs_/_static/fonts/Roboto-Slab-Light.woff2
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--- a/_docs_/_static/fonts/Roboto-Slab-Regular.woff
+++ b/_docs_/_static/fonts/Roboto-Slab-Regular.woff
--- a/_docs_/_static/fonts/Roboto-Slab-Regular.woff2
+++ b/_docs_/_static/fonts/Roboto-Slab-Regular.woff2
--- a/_docs_/_static/fonts/Roboto-Slab-Thin.woff
+++ b/_docs_/_static/fonts/Roboto-Slab-Thin.woff
--- a/_docs_/_static/fonts/Roboto-Slab-Thin.woff2
+++ b/_docs_/_static/fonts/Roboto-Slab-Thin.woff2
--- a/_docs_/_static/fonts/RobotoSlab/roboto-slab-v7-bold.eot
+++ b/_docs_/_static/fonts/RobotoSlab/roboto-slab-v7-bold.eot
--- a/_docs_/_static/fonts/RobotoSlab/roboto-slab-v7-bold.ttf
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--- a/_docs_/_static/fonts/RobotoSlab/roboto-slab-v7-bold.woff
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--- a/_docs_/_static/fonts/RobotoSlab/roboto-slab-v7-bold.woff2
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--- a/_docs_/_static/fonts/RobotoSlab/roboto-slab-v7-regular.eot
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--- a/_docs_/_static/fonts/RobotoSlab/roboto-slab-v7-regular.woff
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--- a/_docs_/_static/fonts/RobotoSlab/roboto-slab-v7-regular.woff2
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--- a/_docs_/_static/fonts/fontawesome-webfont.eot
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--- a/_docs_/_static/fonts/fontawesome-webfont.svg
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--- a/_docs_/_static/fonts/fontawesome-webfont.ttf
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--- a/_docs_/_static/fonts/fontawesome-webfont.woff
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--- a/_docs_/_static/fonts/fontawesome-webfont.woff2
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--- a/_docs_/_static/fonts/lato-bold-italic.woff
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--- a/_docs_/_static/fonts/lato-bold-italic.woff2
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--- a/_docs_/_static/fonts/lato-bold.woff
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--- a/_docs_/_static/fonts/lato-bold.woff2
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--- a/_docs_/_static/fonts/lato-normal-italic.woff
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--- a/_docs_/_static/fonts/lato-normal-italic.woff2
+++ b/_docs_/_static/fonts/lato-normal-italic.woff2
--- a/_docs_/_static/fonts/lato-normal.woff
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--- a/_docs_/_static/fonts/lato-normal.woff2
+++ b/_docs_/_static/fonts/lato-normal.woff2
--- a/_docs_/_static/jquery.js
+++ b/_docs_/_static/jquery.js
--- a/_docs_/_static/js/badge_only.js
+++ b/_docs_/_static/js/badge_only.js
@ -0,0 +1 @@
+!function(e){var t={};function r(n){if(t[n])return t[n].exports;var o=t[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)r.d(n,o,function(t){return e[t]}.bind(null,o));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=4)}({4:function(e,t,r){}});
--- a/_docs_/_static/js/html5shiv-printshiv.min.js
+++ b/_docs_/_static/js/html5shiv-printshiv.min.js
@ -0,0 +1,4 @@
+/**
+* @preserve HTML5 Shiv 3.7.3-pre | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
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+++ b/_docs_/_static/js/html5shiv.min.js
@ -0,0 +1,4 @@
+/**
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--- a/_docs_/_static/js/theme.js
+++ b/_docs_/_static/js/theme.js
@ -0,0 +1 @@
+!function(n){var e={};function t(i){if(e[i])return e[i].exports;var o=e[i]={i:i,l:!1,exports:{}};return n[i].call(o.exports,o,o.exports,t),o.l=!0,o.exports}t.m=n,t.c=e,t.d=function(n,e,i){t.o(n,e)||Object.defineProperty(n,e,{enumerable:!0,get:i})},t.r=function(n){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(n,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(n,"__esModule",{value:!0})},t.t=function(n,e){if(1&e&&(n=t(n)),8&e)return n;if(4&e&&"object"==typeof n&&n&&n.__esModule)return n;var i=Object.create(null);if(t.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:n}),2&e&&"string"!=typeof n)for(var o in n)t.d(i,o,function(e){return n[e]}.bind(null,o));return i},t.n=function(n){var e=n&&n.__esModule?function(){return n.default}:function(){return n};return t.d(e,"a",e),e},t.o=function(n,e){return Object.prototype.hasOwnProperty.call(n,e)},t.p="",t(t.s=0)}([function(n,e,t){t(1),n.exports=t(3)},function(n,e,t){(function(){var e="undefined"!=typeof window?window.jQuery:t(2);n.exports.ThemeNav={navBar:null,win:null,winScroll:!1,winResize:!1,linkScroll:!1,winPosition:0,winHeight:null,docHeight:null,isRunning:!1,enable:function(n){var t=this;void 0===n&&(n=!0),t.isRunning||(t.isRunning=!0,e((function(e){t.init(e),t.reset(),t.win.on("hashchange",t.reset),n&&t.win.on("scroll",(function(){t.linkScroll||t.winScroll||(t.winScroll=!0,requestAnimationFrame((function(){t.onScroll()})))})),t.win.on("resize",(function(){t.winResize||(t.winResize=!0,requestAnimationFrame((function(){t.onResize()})))})),t.onResize()})))},enableSticky:function(){this.enable(!0)},init:function(n){n(document);var e=this;this.navBar=n("div.wy-side-scroll:first"),this.win=n(window),n(document).on("click","[data-toggle='wy-nav-top']",(function(){n("[data-toggle='wy-nav-shift']").toggleClass("shift"),n("[data-toggle='rst-versions']").toggleClass("shift")})).on("click",".wy-menu-vertical .current ul li a",(function(){var t=n(this);n("[data-toggle='wy-nav-shift']").removeClass("shift"),n("[data-toggle='rst-versions']").toggleClass("shift"),e.toggleCurrent(t),e.hashChange()})).on("click","[data-toggle='rst-current-version']",(function(){n("[data-toggle='rst-versions']").toggleClass("shift-up")})),n("table.docutils:not(.field-list,.footnote,.citation)").wrap("<div class='wy-table-responsive'></div>"),n("table.docutils.footnote").wrap("<div class='wy-table-responsive footnote'></div>"),n("table.docutils.citation").wrap("<div class='wy-table-responsive citation'></div>"),n(".wy-menu-vertical ul").not(".simple").siblings("a").each((function(){var t=n(this);expand=n('<span class="toctree-expand"></span>'),expand.on("click",(function(n){return e.toggleCurrent(t),n.stopPropagation(),!1})),t.prepend(expand)}))},reset:function(){var n=encodeURI(window.location.hash)||"#";try{var e=$(".wy-menu-vertical"),t=e.find('[href="'+n+'"]');if(0===t.length){var i=$('.document [id="'+n.substring(1)+'"]').closest("div.section");0===(t=e.find('[href="#'+i.attr("id")+'"]')).length&&(t=e.find('[href="#"]'))}t.length>0&&($(".wy-menu-vertical .current").removeClass("current"),t.addClass("current"),t.closest("li.toctree-l1").addClass("current"),t.closest("li.toctree-l1").parent().addClass("current"),t.closest("li.toctree-l1").addClass("current"),t.closest("li.toctree-l2").addClass("current"),t.closest("li.toctree-l3").addClass("current"),t.closest("li.toctree-l4").addClass("current"),t.closest("li.toctree-l5").addClass("current"),t[0].scrollIntoView())}catch(n){console.log("Error expanding nav for anchor",n)}},onScroll:function(){this.winScroll=!1;var n=this.win.scrollTop(),e=n+this.winHeight,t=this.navBar.scrollTop()+(n-this.winPosition);n<0||e>this.docHeight||(this.navBar.scrollTop(t),this.winPosition=n)},onResize:function(){this.winResize=!1,this.winHeight=this.win.height(),this.docHeight=$(document).height()},hashChange:function(){this.linkScroll=!0,this.win.one("hashchange",(function(){this.linkScroll=!1}))},toggleCurrent:function(n){var e=n.closest("li");e.siblings("li.current").removeClass("current"),e.siblings().find("li.current").removeClass("current"),e.find("> ul li.current").removeClass("current"),e.toggleClass("current")}},"undefined"!=typeof window&&(window.SphinxRtdTheme={Navigation:n.exports.ThemeNav,StickyNav:n.exports.ThemeNav}),function(){for(var n=0,e=["ms","moz","webkit","o"],t=0;t<e.length&&!window.requestAnimationFrame;++t)window.requestAnimationFrame=window[e[t]+"RequestAnimationFrame"],window.cancelAnimationFrame=window[e[t]+"CancelAnimationFrame"]||window[e[t]+"CancelRequestAnimationFrame"];window.requestAnimationFrame||(window.requestAnimationFrame=function(e,t){var i=(new Date).getTime(),o=Math.max(0,16-(i-n)),r=window.setTimeout((function(){e(i+o)}),o);return n=i+o,r}),window.cancelAnimationFrame||(window.cancelAnimationFrame=function(n){clearTimeout(n)})}()}).call(window)},function(n,e){n.exports=jQuery},function(n,e,t){}]);
--- a/_docs_/_static/language_data.js
+++ b/_docs_/_static/language_data.js
@ -0,0 +1,297 @@
+/*
+ * language_data.js
+ * ~~~~~~~~~~~~~~~~
+ *
+ * This script contains the language-specific data used by searchtools.js,
+ * namely the list of stopwords, stemmer, scorer and splitter.
+ *
+ * :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+var stopwords = ["a","and","are","as","at","be","but","by","for","if","in","into","is","it","near","no","not","of","on","or","such","that","the","their","then","there","these","they","this","to","was","will","with"];
+
+
+/* Non-minified version JS is _stemmer.js if file is provided */ 
+/**
+ * Porter Stemmer
+ */
+var Stemmer = function() {
+
+  var step2list = {
+    ational: 'ate',
+    tional: 'tion',
+    enci: 'ence',
+    anci: 'ance',
+    izer: 'ize',
+    bli: 'ble',
+    alli: 'al',
+    entli: 'ent',
+    eli: 'e',
+    ousli: 'ous',
+    ization: 'ize',
+    ation: 'ate',
+    ator: 'ate',
+    alism: 'al',
+    iveness: 'ive',
+    fulness: 'ful',
+    ousness: 'ous',
+    aliti: 'al',
+    iviti: 'ive',
+    biliti: 'ble',
+    logi: 'log'
+  };
+
+  var step3list = {
+    icate: 'ic',
+    ative: '',
+    alize: 'al',
+    iciti: 'ic',
+    ical: 'ic',
+    ful: '',
+    ness: ''
+  };
+
+  var c = "[^aeiou]";          // consonant
+  var v = "[aeiouy]";          // vowel
+  var C = c + "[^aeiouy]*";    // consonant sequence
+  var V = v + "[aeiou]*";      // vowel sequence
+
+  var mgr0 = "^(" + C + ")?" + V + C;                      // [C]VC... is m>0
+  var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$";    // [C]VC[V] is m=1
+  var mgr1 = "^(" + C + ")?" + V + C + V + C;              // [C]VCVC... is m>1
+  var s_v   = "^(" + C + ")?" + v;                         // vowel in stem
+
+  this.stemWord = function (w) {
+    var stem;
+    var suffix;
+    var firstch;
+    var origword = w;
+
+    if (w.length < 3)
+      return w;
+
+    var re;
+    var re2;
+    var re3;
+    var re4;
+
+    firstch = w.substr(0,1);
+    if (firstch == "y")
+      w = firstch.toUpperCase() + w.substr(1);
+
+    // Step 1a
+    re = /^(.+?)(ss|i)es$/;
+    re2 = /^(.+?)([^s])s$/;
+
+    if (re.test(w))
+      w = w.replace(re,"$1$2");
+    else if (re2.test(w))
+      w = w.replace(re2,"$1$2");
+
+    // Step 1b
+    re = /^(.+?)eed$/;
+    re2 = /^(.+?)(ed|ing)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      re = new RegExp(mgr0);
+      if (re.test(fp[1])) {
+        re = /.$/;
+        w = w.replace(re,"");
+      }
+    }
+    else if (re2.test(w)) {
+      var fp = re2.exec(w);
+      stem = fp[1];
+      re2 = new RegExp(s_v);
+      if (re2.test(stem)) {
+        w = stem;
+        re2 = /(at|bl|iz)$/;
+        re3 = new RegExp("([^aeiouylsz])\\1$");
+        re4 = new RegExp("^" + C + v + "[^aeiouwxy]$");
+        if (re2.test(w))
+          w = w + "e";
+        else if (re3.test(w)) {
+          re = /.$/;
+          w = w.replace(re,"");
+        }
+        else if (re4.test(w))
+          w = w + "e";
+      }
+    }
+
+    // Step 1c
+    re = /^(.+?)y$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(s_v);
+      if (re.test(stem))
+        w = stem + "i";
+    }
+
+    // Step 2
+    re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      suffix = fp[2];
+      re = new RegExp(mgr0);
+      if (re.test(stem))
+        w = stem + step2list[suffix];
+    }
+
+    // Step 3
+    re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      suffix = fp[2];
+      re = new RegExp(mgr0);
+      if (re.test(stem))
+        w = stem + step3list[suffix];
+    }
+
+    // Step 4
+    re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
+    re2 = /^(.+?)(s|t)(ion)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(mgr1);
+      if (re.test(stem))
+        w = stem;
+    }
+    else if (re2.test(w)) {
+      var fp = re2.exec(w);
+      stem = fp[1] + fp[2];
+      re2 = new RegExp(mgr1);
+      if (re2.test(stem))
+        w = stem;
+    }
+
+    // Step 5
+    re = /^(.+?)e$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(mgr1);
+      re2 = new RegExp(meq1);
+      re3 = new RegExp("^" + C + v + "[^aeiouwxy]$");
+      if (re.test(stem) || (re2.test(stem) && !(re3.test(stem))))
+        w = stem;
+    }
+    re = /ll$/;
+    re2 = new RegExp(mgr1);
+    if (re.test(w) && re2.test(w)) {
+      re = /.$/;
+      w = w.replace(re,"");
+    }
+
+    // and turn initial Y back to y
+    if (firstch == "y")
+      w = firstch.toLowerCase() + w.substr(1);
+    return w;
+  }
+}
+
+
+
+
+
+var splitChars = (function() {
+    var result = {};
+    var singles = [96, 180, 187, 191, 215, 247, 749, 885, 903, 907, 909, 930, 1014, 1648,
+         1748, 1809, 2416, 2473, 2481, 2526, 2601, 2609, 2612, 2615, 2653, 2702,
+         2706, 2729, 2737, 2740, 2857, 2865, 2868, 2910, 2928, 2948, 2961, 2971,
+         2973, 3085, 3089, 3113, 3124, 3213, 3217, 3241, 3252, 3295, 3341, 3345,
+         3369, 3506, 3516, 3633, 3715, 3721, 3736, 3744, 3748, 3750, 3756, 3761,
+         3781, 3912, 4239, 4347, 4681, 4695, 4697, 4745, 4785, 4799, 4801, 4823,
+         4881, 5760, 5901, 5997, 6313, 7405, 8024, 8026, 8028, 8030, 8117, 8125,
+         8133, 8181, 8468, 8485, 8487, 8489, 8494, 8527, 11311, 11359, 11687, 11695,
+         11703, 11711, 11719, 11727, 11735, 12448, 12539, 43010, 43014, 43019, 43587,
+         43696, 43713, 64286, 64297, 64311, 64317, 64319, 64322, 64325, 65141];
+    var i, j, start, end;
+    for (i = 0; i < singles.length; i++) {
+        result[singles[i]] = true;
+    }
+    var ranges = [[0, 47], [58, 64], [91, 94], [123, 169], [171, 177], [182, 184], [706, 709],
+         [722, 735], [741, 747], [751, 879], [888, 889], [894, 901], [1154, 1161],
+         [1318, 1328], [1367, 1368], [1370, 1376], [1416, 1487], [1515, 1519], [1523, 1568],
+         [1611, 1631], [1642, 1645], [1750, 1764], [1767, 1773], [1789, 1790], [1792, 1807],
+         [1840, 1868], [1958, 1968], [1970, 1983], [2027, 2035], [2038, 2041], [2043, 2047],
+         [2070, 2073], [2075, 2083], [2085, 2087], [2089, 2307], [2362, 2364], [2366, 2383],
+         [2385, 2391], [2402, 2405], [2419, 2424], [2432, 2436], [2445, 2446], [2449, 2450],
+         [2483, 2485], [2490, 2492], [2494, 2509], [2511, 2523], [2530, 2533], [2546, 2547],
+         [2554, 2564], [2571, 2574], [2577, 2578], [2618, 2648], [2655, 2661], [2672, 2673],
+         [2677, 2692], [2746, 2748], [2750, 2767], [2769, 2783], [2786, 2789], [2800, 2820],
+         [2829, 2830], [2833, 2834], [2874, 2876], [2878, 2907], [2914, 2917], [2930, 2946],
+         [2955, 2957], [2966, 2968], [2976, 2978], [2981, 2983], [2987, 2989], [3002, 3023],
+         [3025, 3045], [3059, 3076], [3130, 3132], [3134, 3159], [3162, 3167], [3170, 3173],
+         [3184, 3191], [3199, 3204], [3258, 3260], [3262, 3293], [3298, 3301], [3312, 3332],
+         [3386, 3388], [3390, 3423], [3426, 3429], [3446, 3449], [3456, 3460], [3479, 3481],
+         [3518, 3519], [3527, 3584], [3636, 3647], [3655, 3663], [3674, 3712], [3717, 3718],
+         [3723, 3724], [3726, 3731], [3752, 3753], [3764, 3772], [3774, 3775], [3783, 3791],
+         [3802, 3803], [3806, 3839], [3841, 3871], [3892, 3903], [3949, 3975], [3980, 4095],
+         [4139, 4158], [4170, 4175], [4182, 4185], [4190, 4192], [4194, 4196], [4199, 4205],
+         [4209, 4212], [4226, 4237], [4250, 4255], [4294, 4303], [4349, 4351], [4686, 4687],
+         [4702, 4703], [4750, 4751], [4790, 4791], [4806, 4807], [4886, 4887], [4955, 4968],
+         [4989, 4991], [5008, 5023], [5109, 5120], [5741, 5742], [5787, 5791], [5867, 5869],
+         [5873, 5887], [5906, 5919], [5938, 5951], [5970, 5983], [6001, 6015], [6068, 6102],
+         [6104, 6107], [6109, 6111], [6122, 6127], [6138, 6159], [6170, 6175], [6264, 6271],
+         [6315, 6319], [6390, 6399], [6429, 6469], [6510, 6511], [6517, 6527], [6572, 6592],
+         [6600, 6607], [6619, 6655], [6679, 6687], [6741, 6783], [6794, 6799], [6810, 6822],
+         [6824, 6916], [6964, 6980], [6988, 6991], [7002, 7042], [7073, 7085], [7098, 7167],
+         [7204, 7231], [7242, 7244], [7294, 7400], [7410, 7423], [7616, 7679], [7958, 7959],
+         [7966, 7967], [8006, 8007], [8014, 8015], [8062, 8063], [8127, 8129], [8141, 8143],
+         [8148, 8149], [8156, 8159], [8173, 8177], [8189, 8303], [8306, 8307], [8314, 8318],
+         [8330, 8335], [8341, 8449], [8451, 8454], [8456, 8457], [8470, 8472], [8478, 8483],
+         [8506, 8507], [8512, 8516], [8522, 8525], [8586, 9311], [9372, 9449], [9472, 10101],
+         [10132, 11263], [11493, 11498], [11503, 11516], [11518, 11519], [11558, 11567],
+         [11622, 11630], [11632, 11647], [11671, 11679], [11743, 11822], [11824, 12292],
+         [12296, 12320], [12330, 12336], [12342, 12343], [12349, 12352], [12439, 12444],
+         [12544, 12548], [12590, 12592], [12687, 12689], [12694, 12703], [12728, 12783],
+         [12800, 12831], [12842, 12880], [12896, 12927], [12938, 12976], [12992, 13311],
+         [19894, 19967], [40908, 40959], [42125, 42191], [42238, 42239], [42509, 42511],
+         [42540, 42559], [42592, 42593], [42607, 42622], [42648, 42655], [42736, 42774],
+         [42784, 42785], [42889, 42890], [42893, 43002], [43043, 43055], [43062, 43071],
+         [43124, 43137], [43188, 43215], [43226, 43249], [43256, 43258], [43260, 43263],
+         [43302, 43311], [43335, 43359], [43389, 43395], [43443, 43470], [43482, 43519],
+         [43561, 43583], [43596, 43599], [43610, 43615], [43639, 43641], [43643, 43647],
+         [43698, 43700], [43703, 43704], [43710, 43711], [43715, 43738], [43742, 43967],
+         [44003, 44015], [44026, 44031], [55204, 55215], [55239, 55242], [55292, 55295],
+         [57344, 63743], [64046, 64047], [64110, 64111], [64218, 64255], [64263, 64274],
+         [64280, 64284], [64434, 64466], [64830, 64847], [64912, 64913], [64968, 65007],
+         [65020, 65135], [65277, 65295], [65306, 65312], [65339, 65344], [65371, 65381],
+         [65471, 65473], [65480, 65481], [65488, 65489], [65496, 65497]];
+    for (i = 0; i < ranges.length; i++) {
+        start = ranges[i][0];
+        end = ranges[i][1];
+        for (j = start; j <= end; j++) {
+            result[j] = true;
+        }
+    }
+    return result;
+})();
+
+function splitQuery(query) {
+    var result = [];
+    var start = -1;
+    for (var i = 0; i < query.length; i++) {
+        if (splitChars[query.charCodeAt(i)]) {
+            if (start !== -1) {
+                result.push(query.slice(start, i));
+                start = -1;
+            }
+        } else if (start === -1) {
+            start = i;
+        }
+    }
+    if (start !== -1) {
+        result.push(query.slice(start));
+    }
+    return result;
+}
+
+
--- a/_docs_/_static/minus.png
+++ b/_docs_/_static/minus.png
--- a/_docs_/_static/plus.png
+++ b/_docs_/_static/plus.png
--- a/_docs_/_static/pygments.css
+++ b/_docs_/_static/pygments.css
@ -0,0 +1,69 @@
+.highlight .hll { background-color: #ffffcc }
+.highlight  { background: #f8f8f8; }
+.highlight .c { color: #408080; font-style: italic } /* Comment */
+.highlight .err { border: 1px solid #FF0000 } /* Error */
+.highlight .k { color: #008000; font-weight: bold } /* Keyword */
+.highlight .o { color: #666666 } /* Operator */
+.highlight .ch { color: #408080; font-style: italic } /* Comment.Hashbang */
+.highlight .cm { color: #408080; font-style: italic } /* Comment.Multiline */
+.highlight .cp { color: #BC7A00 } /* Comment.Preproc */
+.highlight .cpf { color: #408080; font-style: italic } /* Comment.PreprocFile */
+.highlight .c1 { color: #408080; font-style: italic } /* Comment.Single */
+.highlight .cs { color: #408080; font-style: italic } /* Comment.Special */
+.highlight .gd { color: #A00000 } /* Generic.Deleted */
+.highlight .ge { font-style: italic } /* Generic.Emph */
+.highlight .gr { color: #FF0000 } /* Generic.Error */
+.highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
+.highlight .gi { color: #00A000 } /* Generic.Inserted */
+.highlight .go { color: #888888 } /* Generic.Output */
+.highlight .gp { color: #000080; font-weight: bold } /* Generic.Prompt */
+.highlight .gs { font-weight: bold } /* Generic.Strong */
+.highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
+.highlight .gt { color: #0044DD } /* Generic.Traceback */
+.highlight .kc { color: #008000; font-weight: bold } /* Keyword.Constant */
+.highlight .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */
+.highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */
+.highlight .kp { color: #008000 } /* Keyword.Pseudo */
+.highlight .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */
+.highlight .kt { color: #B00040 } /* Keyword.Type */
+.highlight .m { color: #666666 } /* Literal.Number */
+.highlight .s { color: #BA2121 } /* Literal.String */
+.highlight .na { color: #7D9029 } /* Name.Attribute */
+.highlight .nb { color: #008000 } /* Name.Builtin */
+.highlight .nc { color: #0000FF; font-weight: bold } /* Name.Class */
+.highlight .no { color: #880000 } /* Name.Constant */
+.highlight .nd { color: #AA22FF } /* Name.Decorator */
+.highlight .ni { color: #999999; font-weight: bold } /* Name.Entity */
+.highlight .ne { color: #D2413A; font-weight: bold } /* Name.Exception */
+.highlight .nf { color: #0000FF } /* Name.Function */
+.highlight .nl { color: #A0A000 } /* Name.Label */
+.highlight .nn { color: #0000FF; font-weight: bold } /* Name.Namespace */
+.highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */
+.highlight .nv { color: #19177C } /* Name.Variable */
+.highlight .ow { color: #AA22FF; font-weight: bold } /* Operator.Word */
+.highlight .w { color: #bbbbbb } /* Text.Whitespace */
+.highlight .mb { color: #666666 } /* Literal.Number.Bin */
+.highlight .mf { color: #666666 } /* Literal.Number.Float */
+.highlight .mh { color: #666666 } /* Literal.Number.Hex */
+.highlight .mi { color: #666666 } /* Literal.Number.Integer */
+.highlight .mo { color: #666666 } /* Literal.Number.Oct */
+.highlight .sa { color: #BA2121 } /* Literal.String.Affix */
+.highlight .sb { color: #BA2121 } /* Literal.String.Backtick */
+.highlight .sc { color: #BA2121 } /* Literal.String.Char */
+.highlight .dl { color: #BA2121 } /* Literal.String.Delimiter */
+.highlight .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */
+.highlight .s2 { color: #BA2121 } /* Literal.String.Double */
+.highlight .se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */
+.highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */
+.highlight .si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */
+.highlight .sx { color: #008000 } /* Literal.String.Other */
+.highlight .sr { color: #BB6688 } /* Literal.String.Regex */
+.highlight .s1 { color: #BA2121 } /* Literal.String.Single */
+.highlight .ss { color: #19177C } /* Literal.String.Symbol */
+.highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */
+.highlight .fm { color: #0000FF } /* Name.Function.Magic */
+.highlight .vc { color: #19177C } /* Name.Variable.Class */
+.highlight .vg { color: #19177C } /* Name.Variable.Global */
+.highlight .vi { color: #19177C } /* Name.Variable.Instance */
+.highlight .vm { color: #19177C } /* Name.Variable.Magic */
+.highlight .il { color: #666666 } /* Literal.Number.Integer.Long */
--- a/_docs_/_static/searchtools.js
+++ b/_docs_/_static/searchtools.js
@ -0,0 +1,481 @@
+/*
+ * searchtools.js
+ * ~~~~~~~~~~~~~~~~
+ *
+ * Sphinx JavaScript utilities for the full-text search.
+ *
+ * :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+if (!Scorer) {
+  /**
+   * Simple result scoring code.
+   */
+  var Scorer = {
+    // Implement the following function to further tweak the score for each result
+    // The function takes a result array [filename, title, anchor, descr, score]
+    // and returns the new score.
+    /*
+    score: function(result) {
+      return result[4];
+    },
+    */
+
+    // query matches the full name of an object
+    objNameMatch: 11,
+    // or matches in the last dotted part of the object name
+    objPartialMatch: 6,
+    // Additive scores depending on the priority of the object
+    objPrio: {0:  15,   // used to be importantResults
+              1:  5,   // used to be objectResults
+              2: -5},  // used to be unimportantResults
+    //  Used when the priority is not in the mapping.
+    objPrioDefault: 0,
+
+    // query found in title
+    title: 15,
+    // query found in terms
+    term: 5
+  };
+}
+
+if (!splitQuery) {
+  function splitQuery(query) {
+    return query.split(/\s+/);
+  }
+}
+
+/**
+ * Search Module
+ */
+var Search = {
+
+  _index : null,
+  _queued_query : null,
+  _pulse_status : -1,
+
+  init : function() {
+      var params = $.getQueryParameters();
+      if (params.q) {
+          var query = params.q[0];
+          $('input[name="q"]')[0].value = query;
+          this.performSearch(query);
+      }
+  },
+
+  loadIndex : function(url) {
+    $.ajax({type: "GET", url: url, data: null,
+            dataType: "script", cache: true,
+            complete: function(jqxhr, textstatus) {
+              if (textstatus != "success") {
+                document.getElementById("searchindexloader").src = url;
+              }
+            }});
+  },
+
+  setIndex : function(index) {
+    var q;
+    this._index = index;
+    if ((q = this._queued_query) !== null) {
+      this._queued_query = null;
+      Search.query(q);
+    }
+  },
+
+  hasIndex : function() {
+      return this._index !== null;
+  },
+
+  deferQuery : function(query) {
+      this._queued_query = query;
+  },
+
+  stopPulse : function() {
+      this._pulse_status = 0;
+  },
+
+  startPulse : function() {
+    if (this._pulse_status >= 0)
+        return;
+    function pulse() {
+      var i;
+      Search._pulse_status = (Search._pulse_status + 1) % 4;
+      var dotString = '';
+      for (i = 0; i < Search._pulse_status; i++)
+        dotString += '.';
+      Search.dots.text(dotString);
+      if (Search._pulse_status > -1)
+        window.setTimeout(pulse, 500);
+    }
+    pulse();
+  },
+
+  /**
+   * perform a search for something (or wait until index is loaded)
+   */
+  performSearch : function(query) {
+    // create the required interface elements
+    this.out = $('#search-results');
+    this.title = $('<h2>' + _('Searching') + '</h2>').appendTo(this.out);
+    this.dots = $('<span></span>').appendTo(this.title);
+    this.status = $('<p style="display: none"></p>').appendTo(this.out);
+    this.output = $('<ul class="search"/>').appendTo(this.out);
+
+    $('#search-progress').text(_('Preparing search...'));
+    this.startPulse();
+
+    // index already loaded, the browser was quick!
+    if (this.hasIndex())
+      this.query(query);
+    else
+      this.deferQuery(query);
+  },
+
+  /**
+   * execute search (requires search index to be loaded)
+   */
+  query : function(query) {
+    var i;
+
+    // stem the searchterms and add them to the correct list
+    var stemmer = new Stemmer();
+    var searchterms = [];
+    var excluded = [];
+    var hlterms = [];
+    var tmp = splitQuery(query);
+    var objectterms = [];
+    for (i = 0; i < tmp.length; i++) {
+      if (tmp[i] !== "") {
+          objectterms.push(tmp[i].toLowerCase());
+      }
+
+      if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i].match(/^\d+$/) ||
+          tmp[i] === "") {
+        // skip this "word"
+        continue;
+      }
+      // stem the word
+      var word = stemmer.stemWord(tmp[i].toLowerCase());
+      // prevent stemmer from cutting word smaller than two chars
+      if(word.length < 3 && tmp[i].length >= 3) {
+        word = tmp[i];
+      }
+      var toAppend;
+      // select the correct list
+      if (word[0] == '-') {
+        toAppend = excluded;
+        word = word.substr(1);
+      }
+      else {
+        toAppend = searchterms;
+        hlterms.push(tmp[i].toLowerCase());
+      }
+      // only add if not already in the list
+      if (!$u.contains(toAppend, word))
+        toAppend.push(word);
+    }
+    var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" "));
+
+    // console.debug('SEARCH: searching for:');
+    // console.info('required: ', searchterms);
+    // console.info('excluded: ', excluded);
+
+    // prepare search
+    var terms = this._index.terms;
+    var titleterms = this._index.titleterms;
+
+    // array of [filename, title, anchor, descr, score]
+    var results = [];
+    $('#search-progress').empty();
+
+    // lookup as object
+    for (i = 0; i < objectterms.length; i++) {
+      var others = [].concat(objectterms.slice(0, i),
+                             objectterms.slice(i+1, objectterms.length));
+      results = results.concat(this.performObjectSearch(objectterms[i], others));
+    }
+
+    // lookup as search terms in fulltext
+    results = results.concat(this.performTermsSearch(searchterms, excluded, terms, titleterms));
+
+    // let the scorer override scores with a custom scoring function
+    if (Scorer.score) {
+      for (i = 0; i < results.length; i++)
+        results[i][4] = Scorer.score(results[i]);
+    }
+
+    // now sort the results by score (in opposite order of appearance, since the
+    // display function below uses pop() to retrieve items) and then
+    // alphabetically
+    results.sort(function(a, b) {
+      var left = a[4];
+      var right = b[4];
+      if (left > right) {
+        return 1;
+      } else if (left < right) {
+        return -1;
+      } else {
+        // same score: sort alphabetically
+        left = a[1].toLowerCase();
+        right = b[1].toLowerCase();
+        return (left > right) ? -1 : ((left < right) ? 1 : 0);
+      }
+    });
+
+    // for debugging
+    //Search.lastresults = results.slice();  // a copy
+    //console.info('search results:', Search.lastresults);
+
+    // print the results
+    var resultCount = results.length;
+    function displayNextItem() {
+      // results left, load the summary and display it
+      if (results.length) {
+        var item = results.pop();
+        var listItem = $('<li style="display:none"></li>');
+        if (DOCUMENTATION_OPTIONS.FILE_SUFFIX === '') {
+          // dirhtml builder
+          var dirname = item[0] + '/';
+          if (dirname.match(/\/index\/$/)) {
+            dirname = dirname.substring(0, dirname.length-6);
+          } else if (dirname == 'index/') {
+            dirname = '';
+          }
+          listItem.append($('<a/>').attr('href',
+            DOCUMENTATION_OPTIONS.URL_ROOT + dirname +
+            highlightstring + item[2]).html(item[1]));
+        } else {
+          // normal html builders
+          listItem.append($('<a/>').attr('href',
+            item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX +
+            highlightstring + item[2]).html(item[1]));
+        }
+        if (item[3]) {
+          listItem.append($('<span> (' + item[3] + ')</span>'));
+          Search.output.append(listItem);
+          listItem.slideDown(5, function() {
+            displayNextItem();
+          });
+        } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
+          var suffix = DOCUMENTATION_OPTIONS.SOURCELINK_SUFFIX;
+          if (suffix === undefined) {
+            suffix = '.txt';
+          }
+          $.ajax({url: DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' + item[5] + (item[5].slice(-suffix.length) === suffix ? '' : suffix),
+                  dataType: "text",
+                  complete: function(jqxhr, textstatus) {
+                    var data = jqxhr.responseText;
+                    if (data !== '' && data !== undefined) {
+                      listItem.append(Search.makeSearchSummary(data, searchterms, hlterms));
+                    }
+                    Search.output.append(listItem);
+                    listItem.slideDown(5, function() {
+                      displayNextItem();
+                    });
+                  }});
+        } else {
+          // no source available, just display title
+          Search.output.append(listItem);
+          listItem.slideDown(5, function() {
+            displayNextItem();
+          });
+        }
+      }
+      // search finished, update title and status message
+      else {
+        Search.stopPulse();
+        Search.title.text(_('Search Results'));
+        if (!resultCount)
+          Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
+        else
+            Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
+        Search.status.fadeIn(500);
+      }
+    }
+    displayNextItem();
+  },
+
+  /**
+   * search for object names
+   */
+  performObjectSearch : function(object, otherterms) {
+    var filenames = this._index.filenames;
+    var docnames = this._index.docnames;
+    var objects = this._index.objects;
+    var objnames = this._index.objnames;
+    var titles = this._index.titles;
+
+    var i;
+    var results = [];
+
+    for (var prefix in objects) {
+      for (var name in objects[prefix]) {
+        var fullname = (prefix ? prefix + '.' : '') + name;
+        if (fullname.toLowerCase().indexOf(object) > -1) {
+          var score = 0;
+          var parts = fullname.split('.');
+          // check for different match types: exact matches of full name or
+          // "last name" (i.e. last dotted part)
+          if (fullname == object || parts[parts.length - 1] == object) {
+            score += Scorer.objNameMatch;
+          // matches in last name
+          } else if (parts[parts.length - 1].indexOf(object) > -1) {
+            score += Scorer.objPartialMatch;
+          }
+          var match = objects[prefix][name];
+          var objname = objnames[match[1]][2];
+          var title = titles[match[0]];
+          // If more than one term searched for, we require other words to be
+          // found in the name/title/description
+          if (otherterms.length > 0) {
+            var haystack = (prefix + ' ' + name + ' ' +
+                            objname + ' ' + title).toLowerCase();
+            var allfound = true;
+            for (i = 0; i < otherterms.length; i++) {
+              if (haystack.indexOf(otherterms[i]) == -1) {
+                allfound = false;
+                break;
+              }
+            }
+            if (!allfound) {
+              continue;
+            }
+          }
+          var descr = objname + _(', in ') + title;
+
+          var anchor = match[3];
+          if (anchor === '')
+            anchor = fullname;
+          else if (anchor == '-')
+            anchor = objnames[match[1]][1] + '-' + fullname;
+          // add custom score for some objects according to scorer
+          if (Scorer.objPrio.hasOwnProperty(match[2])) {
+            score += Scorer.objPrio[match[2]];
+          } else {
+            score += Scorer.objPrioDefault;
+          }
+          results.push([docnames[match[0]], fullname, '#'+anchor, descr, score, filenames[match[0]]]);
+        }
+      }
+    }
+
+    return results;
+  },
+
+  /**
+   * search for full-text terms in the index
+   */
+  performTermsSearch : function(searchterms, excluded, terms, titleterms) {
+    var docnames = this._index.docnames;
+    var filenames = this._index.filenames;
+    var titles = this._index.titles;
+
+    var i, j, file;
+    var fileMap = {};
+    var scoreMap = {};
+    var results = [];
+
+    // perform the search on the required terms
+    for (i = 0; i < searchterms.length; i++) {
+      var word = searchterms[i];
+      var files = [];
+      var _o = [
+        {files: terms[word], score: Scorer.term},
+        {files: titleterms[word], score: Scorer.title}
+      ];
+
+      // no match but word was a required one
+      if ($u.every(_o, function(o){return o.files === undefined;})) {
+        break;
+      }
+      // found search word in contents
+      $u.each(_o, function(o) {
+        var _files = o.files;
+        if (_files === undefined)
+          return
+
+        if (_files.length === undefined)
+          _files = [_files];
+        files = files.concat(_files);
+
+        // set score for the word in each file to Scorer.term
+        for (j = 0; j < _files.length; j++) {
+          file = _files[j];
+          if (!(file in scoreMap))
+            scoreMap[file] = {}
+          scoreMap[file][word] = o.score;
+        }
+      });
+
+      // create the mapping
+      for (j = 0; j < files.length; j++) {
+        file = files[j];
+        if (file in fileMap)
+          fileMap[file].push(word);
+        else
+          fileMap[file] = [word];
+      }
+    }
+
+    // now check if the files don't contain excluded terms
+    for (file in fileMap) {
+      var valid = true;
+
+      // check if all requirements are matched
+      if (fileMap[file].length != searchterms.length)
+          continue;
+
+      // ensure that none of the excluded terms is in the search result
+      for (i = 0; i < excluded.length; i++) {
+        if (terms[excluded[i]] == file ||
+            titleterms[excluded[i]] == file ||
+            $u.contains(terms[excluded[i]] || [], file) ||
+            $u.contains(titleterms[excluded[i]] || [], file)) {
+          valid = false;
+          break;
+        }
+      }
+
+      // if we have still a valid result we can add it to the result list
+      if (valid) {
+        // select one (max) score for the file.
+        // for better ranking, we should calculate ranking by using words statistics like basic tf-idf...
+        var score = $u.max($u.map(fileMap[file], function(w){return scoreMap[file][w]}));
+        results.push([docnames[file], titles[file], '', null, score, filenames[file]]);
+      }
+    }
+    return results;
+  },
+
+  /**
+   * helper function to return a node containing the
+   * search summary for a given text. keywords is a list
+   * of stemmed words, hlwords is the list of normal, unstemmed
+   * words. the first one is used to find the occurrence, the
+   * latter for highlighting it.
+   */
+  makeSearchSummary : function(text, keywords, hlwords) {
+    var textLower = text.toLowerCase();
+    var start = 0;
+    $.each(keywords, function() {
+      var i = textLower.indexOf(this.toLowerCase());
+      if (i > -1)
+        start = i;
+    });
+    start = Math.max(start - 120, 0);
+    var excerpt = ((start > 0) ? '...' : '') +
+      $.trim(text.substr(start, 240)) +
+      ((start + 240 - text.length) ? '...' : '');
+    var rv = $('<div class="context"></div>').text(excerpt);
+    $.each(hlwords, function() {
+      rv = rv.highlightText(this, 'highlighted');
+    });
+    return rv;
+  }
+};
+
+$(document).ready(function() {
+  Search.init();
+});
--- a/_docs_/_static/underscore.js
+++ b/_docs_/_static/underscore.js
--- a/_docs_/genindex.html
+++ b/_docs_/genindex.html
@ -0,0 +1,340 @@
+
+
+
+<!DOCTYPE html>
+<html class="writer-html4" lang="en" >
+<head>
+  <meta charset="utf-8">
+  
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  
+  <title>Index &mdash; helpers  documentation</title>
+  
+
+  
+  <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
+  <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+
+  
+  
+  
+  
+
+  
+  <!--[if lt IE 9]>
+    <script src="_static/js/html5shiv.min.js"></script>
+  <![endif]-->
+  
+    
+      <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>
+        <script type="text/javascript" src="_static/jquery.js"></script>
+        <script type="text/javascript" src="_static/underscore.js"></script>
+        <script type="text/javascript" src="_static/doctools.js"></script>
+        <script type="text/javascript" src="_static/language_data.js"></script>
+    
+    <script type="text/javascript" src="_static/js/theme.js"></script>
+
+    
+    <link rel="index" title="Index" href="#" />
+    <link rel="search" title="Search" href="search.html" /> 
+</head>
+
+<body class="wy-body-for-nav">
+
+   
+  <div class="wy-grid-for-nav">
+    
+    <nav data-toggle="wy-nav-shift" class="wy-nav-side">
+      <div class="wy-side-scroll">
+        <div class="wy-side-nav-search" >
+          
+
+          
+            <a href="index.html" class="icon icon-home" alt="Documentation Home"> helpers
+          
+
+          
+          </a>
+
+          
+            
+            
+          
+
+          
+<div role="search">
+  <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
+    <input type="text" name="q" placeholder="Search docs" />
+    <input type="hidden" name="check_keywords" value="yes" />
+    <input type="hidden" name="area" value="default" />
+  </form>
+</div>
+
+          
+        </div>
+
+        
+        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
+          
+            
+            
+              
+            
+            
+              <!-- Local TOC -->
+              <div class="local-toc"></div>
+            
+          
+        </div>
+        
+      </div>
+    </nav>
+
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
+
+      
+      <nav class="wy-nav-top" aria-label="top navigation">
+        
+          <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
+          <a href="index.html">helpers</a>
+        
+      </nav>
+
+
+      <div class="wy-nav-content">
+        
+        <div class="rst-content">
+        
+          
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<div role="navigation" aria-label="breadcrumbs navigation">
+
+  <ul class="wy-breadcrumbs">
+    
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+        
+      <li>Index</li>
+    
+    
+      <li class="wy-breadcrumbs-aside">
+        
+            
+        
+      </li>
+    
+  </ul>
+
+  
+  <hr/>
+</div>
+          <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
+           <div itemprop="articleBody">
+            
+
+<h1 id="index">Index</h1>
+
+<div class="genindex-jumpbox">
+ <a href="#A"><strong>A</strong></a>
+ | <a href="#C"><strong>C</strong></a>
+ | <a href="#D"><strong>D</strong></a>
+ | <a href="#E"><strong>E</strong></a>
+ | <a href="#H"><strong>H</strong></a>
+ | <a href="#I"><strong>I</strong></a>
+ | <a href="#M"><strong>M</strong></a>
+ | <a href="#P"><strong>P</strong></a>
+ | <a href="#Q"><strong>Q</strong></a>
+ | <a href="#R"><strong>R</strong></a>
+ | <a href="#S"><strong>S</strong></a>
+ 
+</div>
+<h2 id="A">A</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.ringbuffer.append">append() (helpers.ringbuffer method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="C">C</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.direct_socket_client.connect">connect() (helpers.direct_socket_client method)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.continues_statistic">continues_statistic (class in helpers)</a>
+</li>
+      <li><a href="index.html#helpers.continues_statistic_multivalue">continues_statistic_multivalue (class in helpers)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="D">D</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.direct_socket_base">direct_socket_base (class in helpers)</a>
+</li>
+      <li><a href="index.html#helpers.direct_socket_client">direct_socket_client (class in helpers)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.direct_socket_server">direct_socket_server (class in helpers)</a>
+</li>
+      <li><a href="index.html#helpers.direct_socket_base.disconnect">disconnect() (helpers.direct_socket_base method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="E">E</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.ringbuffer.extend">extend() (helpers.ringbuffer method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="H">H</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#module-helpers">helpers (module)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="I">I</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.direct_socket_base.init_channel_name">init_channel_name() (helpers.direct_socket_base method)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.direct_socket_base.is_connected">is_connected() (helpers.direct_socket_base method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="M">M</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.continues_statistic.max">max (helpers.continues_statistic attribute)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.continues_statistic.mean">mean (helpers.continues_statistic attribute)</a>
+</li>
+      <li><a href="index.html#helpers.continues_statistic.min">min (helpers.continues_statistic attribute)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="P">P</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.continues_statistic.pop">pop() (helpers.continues_statistic method)</a>
+
+      <ul>
+        <li><a href="index.html#helpers.continues_statistic_multivalue.pop">(helpers.continues_statistic_multivalue method)</a>
+</li>
+      </ul></li>
+  </ul></td>
+</tr></table>
+
+<h2 id="Q">Q</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.continues_statistic.quantifier">quantifier (helpers.continues_statistic attribute)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="R">R</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.direct_socket_base.receive">receive() (helpers.direct_socket_base method)</a>
+</li>
+      <li><a href="index.html#helpers.direct_socket_client.reconnect">reconnect() (helpers.direct_socket_client method)</a>
+</li>
+      <li><a href="index.html#helpers.direct_socket_base.register_callback">register_callback() (helpers.direct_socket_base method)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.direct_socket_base.register_connect_callback">register_connect_callback() (helpers.direct_socket_base method)</a>
+</li>
+      <li><a href="index.html#helpers.direct_socket_base.register_disconnect_callback">register_disconnect_callback() (helpers.direct_socket_base method)</a>
+</li>
+      <li><a href="index.html#helpers.ringbuffer">ringbuffer (class in helpers)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="S">S</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#helpers.direct_socket_base.send">send() (helpers.direct_socket_base method)</a>
+</li>
+  </ul></td>
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+            
+  <div class="section" id="module-helpers">
+<span id="welcome-to-helpers-s-documentation"></span><h1>Welcome to helpers’s documentation!<a class="headerlink" href="#module-helpers" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="helpers-helpers">
+<h2>helpers (Helpers)<a class="headerlink" href="#helpers-helpers" title="Permalink to this headline">¶</a></h2>
+<p><strong>Author:</strong></p>
+<ul class="simple">
+<li>Dirk Alders &lt;<a class="reference external" href="mailto:sudo-dirk&#37;&#52;&#48;mount-mockery&#46;de">sudo-dirk<span>&#64;</span>mount-mockery<span>&#46;</span>de</a>&gt;</li>
+</ul>
+<p><strong>Description:</strong></p>
+<blockquote>
+<div>This module supports functions and classes which don’t have an own Module (yet).</div></blockquote>
+<p><strong>Submodules:</strong></p>
+<ul class="simple">
+<li><a class="reference internal" href="#helpers.continues_statistic" title="helpers.continues_statistic"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.continues_statistic</span></code></a></li>
+<li><a class="reference internal" href="#helpers.continues_statistic_multivalue" title="helpers.continues_statistic_multivalue"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.continues_statistic_multivalue</span></code></a></li>
+<li><a class="reference internal" href="#helpers.direct_socket_client" title="helpers.direct_socket_client"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.direct_socket_client</span></code></a></li>
+<li><a class="reference internal" href="#helpers.direct_socket_server" title="helpers.direct_socket_server"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.direct_socket_server</span></code></a></li>
+<li><a class="reference internal" href="#helpers.ringbuffer" title="helpers.ringbuffer"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.ringbuffer</span></code></a></li>
+</ul>
+<p><strong>Unittest:</strong></p>
+<blockquote>
+<div>See also the <a class="reference download internal" download="" href="_downloads/fc87e95cc505cb0c7a476506dac46609/unittest.pdf"><code class="xref download docutils literal notranslate"><span class="pre">unittest</span></code></a> documentation.</div></blockquote>
+<p><strong>Module Documentation:</strong></p>
+<dl class="class">
+<dt id="helpers.continues_statistic">
+<em class="property">class </em><code class="descclassname">helpers.</code><code class="descname">continues_statistic</code><span class="sig-paren">(</span><em>mean=None</em>, <em>min_val=None</em>, <em>max_val=None</em>, <em>quantifier=0</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.continues_statistic" title="Permalink to this definition">¶</a></dt>
+<dd><p>This class stores a statistic for a stream of values. The statistic includes: mean, min, max, quantifier.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">You can use the mathematic operators “+, +=” to add a value to the statistic.</p>
+</div>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
+<li><strong>mean</strong> (<em>numeric</em>) – The mean start value, the start value or None.</li>
+<li><strong>min_val</strong> (<em>numeric</em>) – The min start value or None</li>
+<li><strong>max_val</strong> (<em>numeric</em>) – The max start value or None</li>
+<li><strong>quantifier</strong> (<em>int</em>) – The quantifier start value or 0</li>
+</ul>
+</td>
+</tr>
+</tbody>
+</table>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>You are able to initialise this class in the following ways:</p>
+<ul class="last simple">
+<li>Without arguments to get an empty instance</li>
+<li>With one single value to get an starting instance</li>
+<li>With mean, min_val, max_val, quantifier to initialise an existing statistic</li>
+</ul>
+</div>
+<p><strong>Example:</strong></p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">sys</span>
+<span class="n">sys</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">&#39;../..&#39;</span><span class="p">)</span>
+
+<span class="kn">import</span> <span class="nn">helpers</span>
+
+
+<span class="n">cs</span> <span class="o">=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">continues_statistic</span><span class="p">()</span>
+<span class="k">for</span> <span class="n">val</span> <span class="ow">in</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">4</span><span class="p">):</span>
+    <span class="n">cs</span> <span class="o">+=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">continues_statistic</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
+    <span class="nb">print</span><span class="p">(</span><span class="n">cs</span><span class="p">)</span>
+</pre></div>
+</div>
+<p>Will result to the following output:</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">mean</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">1</span>
+<span class="n">mean</span><span class="o">=</span><span class="mf">2.0</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mi">3</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">2</span>
+<span class="n">mean</span><span class="o">=</span><span class="mf">3.0</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mi">5</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">3</span>
+<span class="n">mean</span><span class="o">=</span><span class="mf">3.25</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mi">5</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">4</span>
+</pre></div>
+</div>
+<dl class="attribute">
+<dt id="helpers.continues_statistic.max">
+<code class="descname">max</code><a class="headerlink" href="#helpers.continues_statistic.max" title="Permalink to this definition">¶</a></dt>
+<dd><p>The current max value.</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="helpers.continues_statistic.mean">
+<code class="descname">mean</code><a class="headerlink" href="#helpers.continues_statistic.mean" title="Permalink to this definition">¶</a></dt>
+<dd><p>The current mean value.</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="helpers.continues_statistic.min">
+<code class="descname">min</code><a class="headerlink" href="#helpers.continues_statistic.min" title="Permalink to this definition">¶</a></dt>
+<dd><p>The current min value.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.continues_statistic.pop">
+<code class="descname">pop</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#helpers.continues_statistic.pop" title="Permalink to this definition">¶</a></dt>
+<dd><p>This pops out the current statistic data and returns these as an instance of <a class="reference internal" href="#helpers.continues_statistic" title="helpers.continues_statistic"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.continues_statistic</span></code></a>.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">The current statistic or None, if no value is available.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body"><a class="reference internal" href="#helpers.continues_statistic" title="helpers.continues_statistic"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.continues_statistic</span></code></a> or None</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="helpers.continues_statistic.quantifier">
+<code class="descname">quantifier</code><a class="headerlink" href="#helpers.continues_statistic.quantifier" title="Permalink to this definition">¶</a></dt>
+<dd><p>The current quantifier (number of values for continues statistic).</p>
+</dd></dl>
+
+</dd></dl>
+
+<dl class="class">
+<dt id="helpers.continues_statistic_multivalue">
+<em class="property">class </em><code class="descclassname">helpers.</code><code class="descname">continues_statistic_multivalue</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.continues_statistic_multivalue" title="Permalink to this definition">¶</a></dt>
+<dd><p>This class stores multiple statistics of stream values. The statistic of each value is stored as <a class="reference internal" href="#helpers.continues_statistic" title="helpers.continues_statistic"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.continues_statistic</span></code></a>.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">You can use the mathematic operators “+, +=” to add instances.</p>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>You are able to initialise this class in the following ways:</p>
+<ul class="last simple">
+<li>Without arguments to get an empty instance</li>
+<li>With a keword argument(s) which will be passed to <a class="reference internal" href="#helpers.continues_statistic" title="helpers.continues_statistic"><code class="xref py py-class docutils literal notranslate"><span class="pre">continues_statistic</span></code></a></li>
+<li>With a dict equivalent of <a class="reference internal" href="#helpers.continues_statistic_multivalue" title="helpers.continues_statistic_multivalue"><code class="xref py py-class docutils literal notranslate"><span class="pre">continues_statistic_multivalue</span></code></a> to initialise an existing statistic</li>
+</ul>
+</div>
+<p><strong>Example:</strong></p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">sys</span>
+<span class="n">sys</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">&#39;../..&#39;</span><span class="p">)</span>
+
+<span class="kn">import</span> <span class="nn">helpers</span>
+
+
+<span class="n">csm</span> <span class="o">=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">continues_statistic_multivalue</span><span class="p">()</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">csm</span><span class="p">,</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="n">csm</span> <span class="o">+=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">continues_statistic_multivalue</span><span class="p">(</span><span class="n">a</span><span class="o">=</span><span class="p">{</span><span class="s1">&#39;mean&#39;</span><span class="p">:</span> <span class="mf">3.1</span><span class="p">,</span> <span class="s1">&#39;min_val&#39;</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> <span class="s1">&#39;max_val&#39;</span><span class="p">:</span> <span class="mf">3.5</span><span class="p">,</span> <span class="s1">&#39;quantifier&#39;</span><span class="p">:</span> <span class="mi">305</span><span class="p">})</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">csm</span><span class="p">,</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="n">csm</span> <span class="o">+=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">continues_statistic_multivalue</span><span class="p">(</span><span class="n">a</span><span class="o">=</span><span class="mf">4.31</span><span class="p">,</span> <span class="n">b</span><span class="o">=</span><span class="p">{</span><span class="s1">&#39;mean&#39;</span><span class="p">:</span> <span class="mf">17.1</span><span class="p">,</span> <span class="s1">&#39;min_val&#39;</span><span class="p">:</span> <span class="mf">13.1</span><span class="p">,</span> <span class="s1">&#39;max_val&#39;</span><span class="p">:</span> <span class="mf">19.3</span><span class="p">,</span> <span class="s1">&#39;quantifier&#39;</span><span class="p">:</span> <span class="mi">27</span><span class="p">})</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">csm</span><span class="p">,</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">helpers</span><span class="o">.</span><span class="n">continues_statistic_multivalue</span><span class="p">(</span><span class="nb">dict</span><span class="p">(</span><span class="n">csm</span><span class="p">)),</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="s1">&#39;pop out b:&#39;</span><span class="p">,</span> <span class="n">csm</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s1">&#39;b&#39;</span><span class="p">),</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="s1">&#39;pop out b:&#39;</span><span class="p">,</span> <span class="n">csm</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s1">&#39;b&#39;</span><span class="p">),</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">csm</span><span class="p">,</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="s1">&#39;pop out all:</span><span class="se">\n</span><span class="si">%s</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">csm</span><span class="o">.</span><span class="n">pop</span><span class="p">(),</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="s1">&#39;pop out all:</span><span class="se">\n</span><span class="si">%s</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">csm</span><span class="o">.</span><span class="n">pop</span><span class="p">(),</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">csm</span><span class="p">,</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+</pre></div>
+</div>
+<p>Will result to the following output:</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o">-</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="n">a</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="mf">3.1</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mf">3.5</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">305</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="n">b</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="mf">17.1</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mf">13.1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mf">19.3</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">27</span>
+<span class="n">a</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="mf">3.103954248366013</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mf">4.31</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">306</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="n">b</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="mf">17.1</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mf">13.1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mf">19.3</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">27</span>
+<span class="n">a</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="mf">3.103954248366013</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mf">4.31</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">306</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="n">pop</span> <span class="n">out</span> <span class="n">b</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="mf">17.1</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mf">13.1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mf">19.3</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">27</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="n">pop</span> <span class="n">out</span> <span class="n">b</span><span class="p">:</span> <span class="kc">None</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="n">b</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">0</span>
+<span class="n">a</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="mf">3.103954248366013</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mf">4.31</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">306</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="n">pop</span> <span class="n">out</span> <span class="nb">all</span><span class="p">:</span>
+<span class="n">b</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">0</span>
+<span class="n">a</span><span class="p">:</span> <span class="n">mean</span><span class="o">=</span><span class="mf">3.103954248366013</span><span class="p">,</span> <span class="nb">min</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nb">max</span><span class="o">=</span><span class="mf">4.31</span><span class="p">,</span> <span class="n">quantifier</span><span class="o">=</span><span class="mi">306</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="n">pop</span> <span class="n">out</span> <span class="nb">all</span><span class="p">:</span>
+<span class="kc">None</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="o">-</span> 
+<span class="o">--------------------------------------------------------------</span>
+</pre></div>
+</div>
+<dl class="method">
+<dt id="helpers.continues_statistic_multivalue.pop">
+<code class="descname">pop</code><span class="sig-paren">(</span><em>key=None</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.continues_statistic_multivalue.pop" title="Permalink to this definition">¶</a></dt>
+<dd><p>This pops out the current statistic data for a given key and returns these as an instance of <a class="reference internal" href="#helpers.continues_statistic" title="helpers.continues_statistic"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.continues_statistic</span></code></a>.</p>
+<p>If no key is given it pops out the current statistic data and returns these as an instance of <code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.continues_statistic_multiple</span></code>.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em><em> or </em><em>NoneType</em>) – The key to get data for</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The current statistic or None, if no value is available.</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><a class="reference internal" href="#helpers.continues_statistic" title="helpers.continues_statistic"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.continues_statistic</span></code></a> or None</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+</dd></dl>
+
+<dl class="class">
+<dt id="helpers.direct_socket_base">
+<em class="property">class </em><code class="descclassname">helpers.</code><code class="descname">direct_socket_base</code><span class="sig-paren">(</span><em>max_len=None</em>, <em>virtual_rate_bps=None</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_base" title="Permalink to this definition">¶</a></dt>
+<dd><p>This is the base class for other classes in this module.</p>
+<dl class="method">
+<dt id="helpers.direct_socket_base.disconnect">
+<code class="descname">disconnect</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_base.disconnect" title="Permalink to this definition">¶</a></dt>
+<dd><p>Method to disconnect client and server.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.direct_socket_base.init_channel_name">
+<code class="descname">init_channel_name</code><span class="sig-paren">(</span><em>channel_name=None</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_base.init_channel_name" title="Permalink to this definition">¶</a></dt>
+<dd><p>With this Method, the channel name for logging can be changed.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>channel_name</strong> (<em>str</em>) – The name for the logging channel</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.direct_socket_base.is_connected">
+<code class="descname">is_connected</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_base.is_connected" title="Permalink to this definition">¶</a></dt>
+<dd><p>With this Method the connection status can be identified.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">True, if a connection is established, otherwise False.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.direct_socket_base.receive">
+<code class="descname">receive</code><span class="sig-paren">(</span><em>timeout=1.0</em>, <em>num=None</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_base.receive" title="Permalink to this definition">¶</a></dt>
+<dd><p>This method returns received data.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>timeout</strong> (<em>float</em>) – The timeout for receiving data (at least after the timeout the method returns data or None).</li>
+<li><strong>num</strong> (<em>int</em><em> or </em><em>None</em>) – the number of bytes to receive (use None to get all available data).</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The received data.</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bytes</p>
+</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.direct_socket_base.register_callback">
+<code class="descname">register_callback</code><span class="sig-paren">(</span><em>callback</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_base.register_callback" title="Permalink to this definition">¶</a></dt>
+<dd><p>This method stores the callback which is executed, if data is available. You need to execute <a class="reference internal" href="#helpers.direct_socket_base.receive" title="helpers.direct_socket_base.receive"><code class="xref py py-func docutils literal notranslate"><span class="pre">receive()</span></code></a> of this instance
+given as first argument.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>callback</strong> – The callback which will be executed, when data is available.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.direct_socket_base.register_connect_callback">
+<code class="descname">register_connect_callback</code><span class="sig-paren">(</span><em>callback</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_base.register_connect_callback" title="Permalink to this definition">¶</a></dt>
+<dd><p>This method stores the callback which is executed, if a connection is established.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>callback</strong> – The callback which will be executed, when a connection is established.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.direct_socket_base.register_disconnect_callback">
+<code class="descname">register_disconnect_callback</code><span class="sig-paren">(</span><em>callback</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_base.register_disconnect_callback" title="Permalink to this definition">¶</a></dt>
+<dd><p>This method stores the callback which is executed, after the connection is lost.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>callback</strong> – The callback which will be executed, after the connection is lost.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.direct_socket_base.send">
+<code class="descname">send</code><span class="sig-paren">(</span><em>data</em>, <em>timeout=1.0</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_base.send" title="Permalink to this definition">¶</a></dt>
+<dd><p>This method sends data via the initiated communication channel.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>data</strong> (<em>bytes</em>) – The data to be send over the communication channel.</li>
+<li><strong>timeout</strong> (<em>float</em>) – The timeout for sending data (e.g. time to establish new connection).</li>
+<li><strong>log_lvl</strong> (<em>int</em>) – The log level to log outgoing TX-data</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">True if data had been sent, otherwise False.</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
+</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+</dd></dl>
+
+<dl class="class">
+<dt id="helpers.direct_socket_client">
+<em class="property">class </em><code class="descclassname">helpers.</code><code class="descname">direct_socket_client</code><span class="sig-paren">(</span><em>max_len=None</em>, <em>virtual_rate_bps=None</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_client" title="Permalink to this definition">¶</a></dt>
+<dd><p>Class to create a direct client socket. See also parent <a class="reference internal" href="#helpers.direct_socket_base" title="helpers.direct_socket_base"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.direct_socket_base</span></code></a>.</p>
+<p><strong>Example:</strong></p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">sys</span>
+<span class="n">sys</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">&#39;../..&#39;</span><span class="p">)</span>
+
+<span class="kn">import</span> <span class="nn">report</span>
+<span class="kn">import</span> <span class="nn">helpers</span>
+<span class="kn">import</span> <span class="nn">time</span>
+
+
+<span class="k">def</span> <span class="nf">mirror_callback</span><span class="p">(</span><span class="n">sock</span><span class="p">):</span>
+    <span class="n">sock</span><span class="o">.</span><span class="n">send</span><span class="p">(</span><span class="n">sock</span><span class="o">.</span><span class="n">receive</span><span class="p">())</span>
+
+
+<span class="n">report</span><span class="o">.</span><span class="n">stdoutLoggingConfigure</span><span class="p">(</span><span class="n">log_name_lvl</span><span class="o">=</span><span class="p">[(</span><span class="s1">&#39;root&#39;</span><span class="p">,</span> <span class="s1">&#39;DEBUG&#39;</span><span class="p">),</span> <span class="p">])</span>
+<span class="n">s</span> <span class="o">=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">direct_socket_server</span><span class="p">(</span><span class="n">virtual_rate_bps</span><span class="o">=</span><span class="mi">5</span><span class="p">)</span>
+<span class="n">s</span><span class="o">.</span><span class="n">init_channel_name</span><span class="p">(</span><span class="s1">&#39;example_server&#39;</span><span class="p">)</span>
+<span class="n">s</span><span class="o">.</span><span class="n">register_callback</span><span class="p">(</span><span class="n">mirror_callback</span><span class="p">)</span>
+<span class="n">c</span> <span class="o">=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">direct_socket_client</span><span class="p">(</span><span class="n">max_len</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">virtual_rate_bps</span><span class="o">=</span><span class="mi">5</span><span class="p">)</span>
+<span class="n">c</span><span class="o">.</span><span class="n">init_channel_name</span><span class="p">(</span><span class="s1">&#39;example_client&#39;</span><span class="p">)</span>
+<span class="n">c</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
+<span class="n">c</span><span class="o">.</span><span class="n">send</span><span class="p">(</span><span class="sa">b</span><span class="s1">&#39;abc&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="s1">&#39;The Client received: </span><span class="si">%s</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="nb">repr</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">receive</span><span class="p">()))</span>
+</pre></div>
+</div>
+<p>Will result to the following output:</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">920</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">all_others</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">Cleaning</span> <span class="n">RX</span><span class="o">-</span><span class="n">Buffer</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">920</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">all_others</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">Waiting</span> <span class="k">for</span> <span class="n">incomming</span> <span class="n">connection</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">920</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">all_others</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">Cleaning</span> <span class="n">RX</span><span class="o">-</span><span class="n">Buffer</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">920</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">Connection</span> <span class="n">established</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">921</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">Cleaning</span> <span class="n">RX</span><span class="o">-</span><span class="n">Buffer</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">921</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">Connection</span> <span class="n">established</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">921</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">Cleaning</span> <span class="n">RX</span><span class="o">-</span><span class="n">Buffer</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">921</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">TX</span> <span class="o">-&gt;</span> <span class="p">(</span><span class="mi">2</span><span class="p">):</span> <span class="mi">61</span> <span class="mi">62</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">321</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">RX</span> <span class="o">&lt;-</span> <span class="p">(</span><span class="mi">2</span><span class="p">):</span> <span class="mi">61</span> <span class="mi">62</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">322</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">TX</span> <span class="o">-&gt;</span> <span class="p">(</span><span class="mi">1</span><span class="p">):</span> <span class="mi">63</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">322</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">TX</span> <span class="o">-&gt;</span> <span class="p">(</span><span class="mi">2</span><span class="p">):</span> <span class="mi">61</span> <span class="mi">62</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">523</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">RX</span> <span class="o">&lt;-</span> <span class="p">(</span><span class="mi">1</span><span class="p">):</span> <span class="mi">63</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">723</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">RX</span> <span class="o">&lt;-</span> <span class="p">(</span><span class="mi">2</span><span class="p">):</span> <span class="mi">61</span> <span class="mi">62</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">723</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">TX</span> <span class="o">-&gt;</span> <span class="p">(</span><span class="mi">1</span><span class="p">):</span> <span class="mi">63</span>
+<span class="n">The</span> <span class="n">Client</span> <span class="n">received</span><span class="p">:</span> <span class="sa">b</span><span class="s1">&#39;ab&#39;</span>
+</pre></div>
+</div>
+<dl class="method">
+<dt id="helpers.direct_socket_client.connect">
+<code class="descname">connect</code><span class="sig-paren">(</span><em>remote_socket</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_client.connect" title="Permalink to this definition">¶</a></dt>
+<dd><p>Method to create a connection between this client and a <a class="reference internal" href="#helpers.direct_socket_server" title="helpers.direct_socket_server"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.direct_socket_server</span></code></a> instance.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>remote_socket</strong> (<a class="reference internal" href="#helpers.direct_socket_server" title="helpers.direct_socket_server"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.direct_socket_server</span></code></a>) – The remote socket to connect to.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.direct_socket_client.reconnect">
+<code class="descname">reconnect</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_client.reconnect" title="Permalink to this definition">¶</a></dt>
+<dd><p>Method to do a reconnect.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">The <code class="xref py py-const docutils literal notranslate"><span class="pre">remote_socket</span></code> of the prefious <a class="reference internal" href="#helpers.direct_socket_client.connect" title="helpers.direct_socket_client.connect"><code class="xref py py-func docutils literal notranslate"><span class="pre">connect()</span></code></a> call will be used.</p>
+</div>
+</dd></dl>
+
+</dd></dl>
+
+<dl class="class">
+<dt id="helpers.direct_socket_server">
+<em class="property">class </em><code class="descclassname">helpers.</code><code class="descname">direct_socket_server</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.direct_socket_server" title="Permalink to this definition">¶</a></dt>
+<dd><p>Class to create a direct server socket. See also parent <a class="reference internal" href="#helpers.direct_socket_base" title="helpers.direct_socket_base"><code class="xref py py-class docutils literal notranslate"><span class="pre">helpers.direct_socket_base</span></code></a>.</p>
+<p><strong>Example:</strong></p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">sys</span>
+<span class="n">sys</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">&#39;../..&#39;</span><span class="p">)</span>
+
+<span class="kn">import</span> <span class="nn">report</span>
+<span class="kn">import</span> <span class="nn">helpers</span>
+<span class="kn">import</span> <span class="nn">time</span>
+
+
+<span class="k">def</span> <span class="nf">mirror_callback</span><span class="p">(</span><span class="n">sock</span><span class="p">):</span>
+    <span class="n">sock</span><span class="o">.</span><span class="n">send</span><span class="p">(</span><span class="n">sock</span><span class="o">.</span><span class="n">receive</span><span class="p">())</span>
+
+
+<span class="n">report</span><span class="o">.</span><span class="n">stdoutLoggingConfigure</span><span class="p">(</span><span class="n">log_name_lvl</span><span class="o">=</span><span class="p">[(</span><span class="s1">&#39;root&#39;</span><span class="p">,</span> <span class="s1">&#39;DEBUG&#39;</span><span class="p">),</span> <span class="p">])</span>
+<span class="n">s</span> <span class="o">=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">direct_socket_server</span><span class="p">(</span><span class="n">virtual_rate_bps</span><span class="o">=</span><span class="mi">5</span><span class="p">)</span>
+<span class="n">s</span><span class="o">.</span><span class="n">init_channel_name</span><span class="p">(</span><span class="s1">&#39;example_server&#39;</span><span class="p">)</span>
+<span class="n">s</span><span class="o">.</span><span class="n">register_callback</span><span class="p">(</span><span class="n">mirror_callback</span><span class="p">)</span>
+<span class="n">c</span> <span class="o">=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">direct_socket_client</span><span class="p">(</span><span class="n">max_len</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">virtual_rate_bps</span><span class="o">=</span><span class="mi">5</span><span class="p">)</span>
+<span class="n">c</span><span class="o">.</span><span class="n">init_channel_name</span><span class="p">(</span><span class="s1">&#39;example_client&#39;</span><span class="p">)</span>
+<span class="n">c</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
+<span class="n">c</span><span class="o">.</span><span class="n">send</span><span class="p">(</span><span class="sa">b</span><span class="s1">&#39;abc&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="s1">&#39;The Client received: </span><span class="si">%s</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="nb">repr</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">receive</span><span class="p">()))</span>
+</pre></div>
+</div>
+<p>Will result to the following output:</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">920</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">all_others</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">Cleaning</span> <span class="n">RX</span><span class="o">-</span><span class="n">Buffer</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">920</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">all_others</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">Waiting</span> <span class="k">for</span> <span class="n">incomming</span> <span class="n">connection</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">920</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">all_others</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">Cleaning</span> <span class="n">RX</span><span class="o">-</span><span class="n">Buffer</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">920</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">Connection</span> <span class="n">established</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">921</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">Cleaning</span> <span class="n">RX</span><span class="o">-</span><span class="n">Buffer</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">921</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">Connection</span> <span class="n">established</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">921</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">Cleaning</span> <span class="n">RX</span><span class="o">-</span><span class="n">Buffer</span><span class="o">...</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">47</span><span class="p">,</span><span class="mi">921</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">TX</span> <span class="o">-&gt;</span> <span class="p">(</span><span class="mi">2</span><span class="p">):</span> <span class="mi">61</span> <span class="mi">62</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">321</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">RX</span> <span class="o">&lt;-</span> <span class="p">(</span><span class="mi">2</span><span class="p">):</span> <span class="mi">61</span> <span class="mi">62</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">322</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">TX</span> <span class="o">-&gt;</span> <span class="p">(</span><span class="mi">1</span><span class="p">):</span> <span class="mi">63</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">322</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">TX</span> <span class="o">-&gt;</span> <span class="p">(</span><span class="mi">2</span><span class="p">):</span> <span class="mi">61</span> <span class="mi">62</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">523</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">RX</span> <span class="o">&lt;-</span> <span class="p">(</span><span class="mi">1</span><span class="p">):</span> <span class="mi">63</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">723</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_client</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Client</span><span class="p">:</span> <span class="n">RX</span> <span class="o">&lt;-</span> <span class="p">(</span><span class="mi">2</span><span class="p">):</span> <span class="mi">61</span> <span class="mi">62</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">09</span> <span class="mi">22</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">48</span><span class="p">,</span><span class="mi">723</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">helpers</span><span class="o">.</span><span class="n">example_server</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">Server</span><span class="p">:</span> <span class="n">TX</span> <span class="o">-&gt;</span> <span class="p">(</span><span class="mi">1</span><span class="p">):</span> <span class="mi">63</span>
+<span class="n">The</span> <span class="n">Client</span> <span class="n">received</span><span class="p">:</span> <span class="sa">b</span><span class="s1">&#39;ab&#39;</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="class">
+<dt id="helpers.ringbuffer">
+<em class="property">class </em><code class="descclassname">helpers.</code><code class="descname">ringbuffer</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.ringbuffer" title="Permalink to this definition">¶</a></dt>
+<dd><p>Class for a list with a limited number of elements.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">On adding Objects, the list will be reduced to the maximum length by deleting entries starting from index 0.</p>
+</div>
+<p><strong>Example:</strong></p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">sys</span>
+<span class="n">sys</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">&#39;../..&#39;</span><span class="p">)</span>
+
+<span class="kn">import</span> <span class="nn">helpers</span>
+
+
+<span class="n">rb</span> <span class="o">=</span> <span class="n">helpers</span><span class="o">.</span><span class="n">ringbuffer</span><span class="p">(</span><span class="n">length</span><span class="o">=</span><span class="mi">5</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">rb</span><span class="p">,</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="n">rb</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">rb</span><span class="p">,</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="n">rb</span><span class="o">.</span><span class="n">extend</span><span class="p">((</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">,</span><span class="mi">4</span><span class="p">,</span><span class="mi">5</span><span class="p">,</span><span class="mi">6</span><span class="p">))</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">rb</span><span class="p">,</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+<span class="n">rb</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="mi">17</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">rb</span><span class="p">,</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">--------------------------------------------------------------&#39;</span><span class="p">)</span>
+</pre></div>
+</div>
+<p>Will result to the following output:</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="p">[]</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="p">[</span><span class="mi">0</span><span class="p">]</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="p">[</span><span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">6</span><span class="p">]</span> 
+<span class="o">--------------------------------------------------------------</span>
+<span class="p">[</span><span class="mi">3</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">6</span><span class="p">,</span> <span class="mi">17</span><span class="p">]</span> 
+<span class="o">--------------------------------------------------------------</span>
+</pre></div>
+</div>
+<dl class="method">
+<dt id="helpers.ringbuffer.append">
+<code class="descname">append</code><span class="sig-paren">(</span><em>obj</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.ringbuffer.append" title="Permalink to this definition">¶</a></dt>
+<dd><p>Append object to the end of the list.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="helpers.ringbuffer.extend">
+<code class="descname">extend</code><span class="sig-paren">(</span><em>iterable</em><span class="sig-paren">)</span><a class="headerlink" href="#helpers.ringbuffer.extend" title="Permalink to this definition">¶</a></dt>
+<dd><p>Extend list by appending elements from the iterable.</p>
+</dd></dl>
+
+</dd></dl>
+
+</div>
+<div class="toctree-wrapper compound">
+</div>
+</div>
+<div class="section" id="indices-and-tables">
+<h1>Indices and tables<a class="headerlink" href="#indices-and-tables" title="Permalink to this headline">¶</a></h1>
+<ul class="simple">
+<li><a class="reference internal" href="genindex.html"><span class="std std-ref">Index</span></a></li>
+<li><a class="reference internal" href="py-modindex.html"><span class="std std-ref">Module Index</span></a></li>
+<li><a class="reference internal" href="search.html"><span class="std std-ref">Search Page</span></a></li>
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--- a/_docs_/objects.inv
+++ b/_docs_/objects.inv
@ -0,0 +1,5 @@
+# Sphinx inventory version 2
+# Project: helpers
+# Version: 
+# The remainder of this file is compressed using zlib.
+xÚ•AnÃ E÷>U»µÕlsƒ.*Uê¢K4ÆƒËQ²ë5z½ž¤8$Š«VJŒ»³>ÿý<C3BF>L‡f@Ob8¬{×ƒâQhÛà¾ê¸7÷I+DYtÉY)gYÛ€$‰<>5±V#‰Õ¾BU=ìG˜½®ãLÁ.ÁõzpÃ±eÈ<65>kæ¡ï¢¸ÑèóëË>Ö;0óz?	¸u-<2D>ö¨X’S[dYÝRú7%Š²QÎ«Zi«Yªb†‘zÌÍ!yš6™Q@½Ãlº<6C>›<EFBFBD>^*0¦µ]œ“–óoy—ZIh3z¬ŒFË³<C38B>YÂªìSvâ£”›@èwé~_™¸×¶Ãf3Ó\Á0ÜØÑ	„{¾µh<C2B5>Š nÖj4¢\‰³zô‰§ñ³¸Ø§FÓÄñ†F¹x-Ù‰Ó,¾>>IDcèccã/ÈÙ»">-Ôåy …=§W)U%¯ºŸDÒ’ù5<C3B9>¿@‹Å7& }ü
--- a/_docs_/py-modindex.html
+++ b/_docs_/py-modindex.html
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+
+   <h1>Python Module Index</h1>
+
+   <div class="modindex-jumpbox">
+   <a href="#cap-h"><strong>h</strong></a>
+   </div>
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+   <table class="indextable modindextable">
+     <tr class="pcap"><td></td><td>&#160;</td><td></td></tr>
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+       <strong>h</strong></td><td></td></tr>
+     <tr>
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+          
+            
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+<div role="search">
+  <form id="rtd-search-form" class="wy-form" action="#" method="get">
+    <input type="text" name="q" placeholder="Search docs" />
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+    </nav>
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
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+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
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+      Please activate JavaScript to enable the search functionality.
+    </p>
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+           
+          </div>
+          <footer>
+  
+
+  <hr/>
+
+  <div role="contentinfo">
+    <p>
+        
+        &copy; Copyright 2021, Dirk Alders
+
+    </p>
+  </div>
+    
+    
+    
+    Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a
+    
+    <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a>
+    
+    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+
+</footer>
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+
+  </div>
+  
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+  <script type="text/javascript">
+      jQuery(function () {
+          SphinxRtdTheme.Navigation.enable(true);
+      });
+  </script>
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+  <script type="text/javascript">
+    jQuery(function() { Search.loadIndex("searchindex.js"); });
+  </script>
+  
+  <script type="text/javascript" id="searchindexloader"></script>
+   
+
+
+</body>
+</html>
--- a/_docs_/searchindex.js
+++ b/_docs_/searchindex.js
@ -0,0 +1 @@
+Search.setIndex({docnames:["index"],envversion:{"sphinx.domains.c":1,"sphinx.domains.changeset":1,"sphinx.domains.cpp":1,"sphinx.domains.javascript":1,"sphinx.domains.math":2,"sphinx.domains.python":1,"sphinx.domains.rst":1,"sphinx.domains.std":1,sphinx:55},filenames:["index.rst"],objects:{"":{helpers:[0,0,0,"-"]},"helpers.continues_statistic":{max:[0,2,1,""],mean:[0,2,1,""],min:[0,2,1,""],pop:[0,3,1,""],quantifier:[0,2,1,""]},"helpers.continues_statistic_multivalue":{pop:[0,3,1,""]},"helpers.direct_socket_base":{disconnect:[0,3,1,""],init_channel_name:[0,3,1,""],is_connected:[0,3,1,""],receive:[0,3,1,""],register_callback:[0,3,1,""],register_connect_callback:[0,3,1,""],register_disconnect_callback:[0,3,1,""],send:[0,3,1,""]},"helpers.direct_socket_client":{connect:[0,3,1,""],reconnect:[0,3,1,""]},"helpers.ringbuffer":{append:[0,3,1,""],extend:[0,3,1,""]},helpers:{continues_statistic:[0,1,1,""],continues_statistic_multivalue:[0,1,1,""],direct_socket_base:[0,1,1,""],direct_socket_client:[0,1,1,""],direct_socket_server:[0,1,1,""],ringbuffer:[0,1,1,""]}},objnames:{"0":["py","module","Python module"],"1":["py","class","Python class"],"2":["py","attribute","Python attribute"],"3":["py","method","Python method"]},objtypes:{"0":"py:module","1":"py:class","2":"py:attribute","3":"py:method"},terms:{"byte":0,"class":0,"float":0,"function":0,"import":0,"int":0,"new":0,"return":0,"true":0,The:0,Will:0,With:0,abc:0,abl:0,add:0,adding:0,after:0,alder:0,all:0,all_oth:0,also:0,append:0,arg:0,argument:0,author:0,avail:0,base:0,been:0,between:0,bool:0,buffer:0,call:0,callback:0,can:0,chang:0,channel:0,channel_nam:0,clean:0,client:0,commun:0,connect:0,continu:0,continues_statist:0,continues_statistic_multipl:0,continues_statistic_multivalu:0,creat:0,csm:0,current:0,data:0,debug:0,def:0,delet:0,descript:0,dict:0,direct:0,direct_socket_bas:0,direct_socket_cli:0,direct_socket_serv:0,dirk:0,disconnect:0,don:0,each:0,element:0,empti:0,end:0,entri:0,equival:0,establish:0,exampl:0,example_cli:0,example_serv:0,execut:0,exist:0,extend:0,fals:0,first:0,follow:0,from:0,get:0,given:0,had:0,have:0,identifi:0,includ:0,incom:0,index:0,info:0,init_channel_nam:0,initi:0,initialis:0,instanc:0,is_connect:0,iter:0,kei:0,keword:0,kwarg:0,least:0,length:0,level:0,limit:0,list:0,log:0,log_lvl:0,log_name_lvl:0,lost:0,mathemat:0,max:0,max_len:0,max_val:0,maximum:0,mean:0,method:0,min:0,min_val:0,mirror_callback:0,mockeri:0,modul:0,mount:0,multipl:0,name:0,need:0,none:0,nonetyp:0,num:0,number:0,numer:0,obj:0,object:0,one:0,oper:0,other:0,otherwis:0,out:0,outgo:0,output:0,over:0,own:0,page:0,paramet:0,parent:0,pass:0,path:0,pop:0,prefiou:0,print:0,quantifi:0,receiv:0,reconnect:0,reduc:0,register_callback:0,register_connect_callback:0,register_disconnect_callback:0,remot:0,remote_socket:0,report:0,repr:0,result:0,ringbuff:0,root:0,search:0,see:0,send:0,sent:0,server:0,singl:0,sock:0,socket:0,start:0,statist:0,statu:0,stdoutloggingconfigur:0,store:0,str:0,stream:0,submodul:0,sudo:0,support:0,sys:0,thi:0,time:0,timeout:0,type:0,unittest:0,use:0,used:0,val:0,valu:0,via:0,virtual_rate_bp:0,wai:0,wait:0,when:0,which:0,without:0,yet:0,you:0},titles:["Welcome to helpers\u2019s documentation!"],titleterms:{document:0,helper:0,indic:0,tabl:0,welcom:0}})
--- a/_examples_/Makefile
+++ b/_examples_/Makefile
@ -0,0 +1,11 @@
+EXAMPLES = $(wildcard *.py)
+LOGFILES = ${EXAMPLES:.py=.log}
+
+.PHONY: all
+all: $(LOGFILES)
+
+%.log: %.py
+	python3 $< > $@
+
+clean:
+	rm -f $(LOGFILES)
--- a/_examples_/continues_statistic.py
+++ b/_examples_/continues_statistic.py
@ -0,0 +1,10 @@
+import sys
+sys.path.append('../..')
+
+import helpers
+
+
+cs = helpers.continues_statistic()
+for val in (1, 3, 5, 4):
+    cs += helpers.continues_statistic(val)
+    print(cs)
--- a/_examples_/continues_statistic_multivalue.py
+++ b/_examples_/continues_statistic_multivalue.py
@ -0,0 +1,19 @@
+import sys
+sys.path.append('../..')
+
+import helpers
+
+
+csm = helpers.continues_statistic_multivalue()
+print(csm, '\n--------------------------------------------------------------')
+csm += helpers.continues_statistic_multivalue(a={'mean': 3.1, 'min_val': 1, 'max_val': 3.5, 'quantifier': 305})
+print(csm, '\n--------------------------------------------------------------')
+csm += helpers.continues_statistic_multivalue(a=4.31, b={'mean': 17.1, 'min_val': 13.1, 'max_val': 19.3, 'quantifier': 27})
+print(csm, '\n--------------------------------------------------------------')
+print(helpers.continues_statistic_multivalue(dict(csm)), '\n--------------------------------------------------------------')
+print('pop out b:', csm.pop('b'), '\n--------------------------------------------------------------')
+print('pop out b:', csm.pop('b'), '\n--------------------------------------------------------------')
+print(csm, '\n--------------------------------------------------------------')
+print('pop out all:\n%s' % csm.pop(), '\n--------------------------------------------------------------')
+print('pop out all:\n%s' % csm.pop(), '\n--------------------------------------------------------------')
+print(csm, '\n--------------------------------------------------------------')
--- a/_examples_/direct_socket.py
+++ b/_examples_/direct_socket.py
@ -0,0 +1,21 @@
+import sys
+sys.path.append('../..')
+
+import report
+import helpers
+import time
+
+
+def mirror_callback(sock):
+    sock.send(sock.receive())
+
+
+report.stdoutLoggingConfigure(log_name_lvl=[('root', 'DEBUG'), ])
+s = helpers.direct_socket_server(virtual_rate_bps=5)
+s.init_channel_name('example_server')
+s.register_callback(mirror_callback)
+c = helpers.direct_socket_client(max_len=2, virtual_rate_bps=5)
+c.init_channel_name('example_client')
+c.connect(s)
+c.send(b'abc')
+print('The Client received: %s' % repr(c.receive()))
--- a/_examples_/ringbuffer.py
+++ b/_examples_/ringbuffer.py
@ -0,0 +1,14 @@
+import sys
+sys.path.append('../..')
+
+import helpers
+
+
+rb = helpers.ringbuffer(length=5)
+print(rb, '\n--------------------------------------------------------------')
+rb.append(0)
+print(rb, '\n--------------------------------------------------------------')
+rb.extend((1,2,3,4,5,6))
+print(rb, '\n--------------------------------------------------------------')
+rb.append(17)
+print(rb, '\n--------------------------------------------------------------')
--- a/_testresults_/unittest.pdf
+++ b/_testresults_/unittest.pdf
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