Release 6c187a02e8; Module documentation finished

__init__.py

@@ -20,7 +20,7 @@ caching (Caching Module)
 
 **Unittest:**
 
-    See also the :download:`unittest <../../caching/_testresults_/unittest.pdf>` documentation.
+    See also the :download:`unittest <caching/_testresults_/unittest.pdf>` documentation.
 """
 __DEPENDENCIES__ = []
 
@@ -54,9 +54,6 @@ class property_cache_pickle(object):
     :param cache_filename: File name, where the properties are stored as cache
     :type cache_filename: str
     :param load_all_on_init: Optionally init behaviour control parameter. True will load all available properties from source on init, False not.
-    :raises: ?
-
-    .. note:: This module uses logging. So logging should be initialised at least by executing logging.basicConfig(...)
 
     .. note:: source_instance needs to have at least the following methods: uid(), keys(), data_version(), get()
 
@@ -72,15 +69,15 @@ class property_cache_pickle(object):
 
     **Example:**
 
-    .. literalinclude:: ../../caching/_examples_/property_cache_pickle.py
+    .. literalinclude:: caching/_examples_/property_cache_pickle.py
 
     Will result on the first execution to the following output (with a long execution time):
 
-    .. literalinclude:: ../../caching/_examples_/property_cache_pickle_1.log
+    .. literalinclude:: caching/_examples_/property_cache_pickle_1.log
 
     With every following execution (slow for getting "two" which is not cached - see implementation):
 
-    .. literalinclude:: ../../caching/_examples_/property_cache_pickle_2.log
+    .. literalinclude:: caching/_examples_/property_cache_pickle_2.log
     """
     LOG_PREFIX = 'PickCache:'
     DATA_VERSION_TAG = '_property_cache_data_version_'
@@ -117,6 +114,9 @@ class property_cache_pickle(object):
             return self._source_instance.get(key, default)
 
     def keys(self):
+        """
+        Method to get the available keys (from :data:`source_instance`).
+        """
         return self._source_instance.keys()
 
     def _data_version(self):
@@ -187,14 +187,11 @@ class property_cache_json(property_cache_pickle):
     :param cache_filename: File name, where the properties are stored as cache
     :type cache_filename: str
     :param load_all_on_init: Optionally init behaviour control parameter. True will load all available properties from source on init, False not.
-    :raises: ?
 
     .. warning::
         * This class uses json. You should **only** use keys of type string!
         * Unicode types are transfered to strings
 
-    .. note:: This module uses logging. So logging should be initialised at least by executing logging.basicConfig(...)
-
     .. note:: source_instance needs to have at least the following methods: uid(), keys(), data_version(), get()
 
                 * uid(): returns the unique id of the source.
@@ -209,15 +206,15 @@ class property_cache_json(property_cache_pickle):
 
     **Example:**
 
-    .. literalinclude:: ../../caching/_examples_/property_cache_json.py
+    .. literalinclude:: caching/_examples_/property_cache_json.py
 
     Will result on the first execution to the following output (with a long execution time):
 
-    .. literalinclude:: ../../caching/_examples_/property_cache_json_1.log
+    .. literalinclude:: caching/_examples_/property_cache_json_1.log
 
     With every following execution (slow for getting "two" which is not cached - see implementation):
 
-    .. literalinclude:: ../../caching/_examples_/property_cache_json_2.log
+    .. literalinclude:: caching/_examples_/property_cache_json_2.log
     """
     LOG_PREFIX = 'JsonCache:'
 

_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: 73dea94261007106c35818f82665e5f6
+tags: 645f666f9bcd5a90fca523b33c5a78b7

_docs_/_sources/index.rst.txt

@@ -0,0 +1,23 @@
+.. socket_protocol documentation master file, created by
+   sphinx-quickstart on Fri Jan  1 19:56:01 2021.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+Welcome to cachings's documentation!
+====================================
+
+.. automodule:: caching
+   :members:
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`

_docs_/_static/basic.css

@@ -0,0 +1,676 @@
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+ * ~~~~~~~~~
+ *
+ * Sphinx stylesheet -- basic theme.
+ *
+ * :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
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+ * 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();
+});

_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,
+};

_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){}});

_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
+*/
+!function(a,b){function c(a,b){var c=a.createElement("p"),d=a.getElementsByTagName("head")[0]||a.documentElement;return c.innerHTML="x<style>"+b+"</style>",d.insertBefore(c.lastChild,d.firstChild)}function d(){var a=y.elements;return"string"==typeof a?a.split(" "):a}function e(a,b){var c=y.elements;"string"!=typeof c&&(c=c.join(" ")),"string"!=typeof a&&(a=a.join(" ")),y.elements=c+" "+a,j(b)}function f(a){var b=x[a[v]];return b||(b={},w++,a[v]=w,x[w]=b),b}function g(a,c,d){if(c||(c=b),q)return c.createElement(a);d||(d=f(c));var e;return e=d.cache[a]?d.cache[a].cloneNode():u.test(a)?(d.cache[a]=d.createElem(a)).cloneNode():d.createElem(a),!e.canHaveChildren||t.test(a)||e.tagUrn?e:d.frag.appendChild(e)}function h(a,c){if(a||(a=b),q)return a.createDocumentFragment();c=c||f(a);for(var e=c.frag.cloneNode(),g=0,h=d(),i=h.length;i>g;g++)e.createElement(h[g]);return e}function i(a,b){b.cache||(b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag()),a.createElement=function(c){return y.shivMethods?g(c,a,b):b.createElem(c)},a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+d().join().replace(/[\w\-:]+/g,function(a){return b.createElem(a),b.frag.createElement(a),'c("'+a+'")'})+");return n}")(y,b.frag)}function j(a){a||(a=b);var d=f(a);return!y.shivCSS||p||d.hasCSS||(d.hasCSS=!!c(a,"article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}")),q||i(a,d),a}function k(a){for(var b,c=a.getElementsByTagName("*"),e=c.length,f=RegExp("^(?:"+d().join("|")+")$","i"),g=[];e--;)b=c[e],f.test(b.nodeName)&&g.push(b.applyElement(l(b)));return g}function l(a){for(var b,c=a.attributes,d=c.length,e=a.ownerDocument.createElement(A+":"+a.nodeName);d--;)b=c[d],b.specified&&e.setAttribute(b.nodeName,b.nodeValue);return e.style.cssText=a.style.cssText,e}function m(a){for(var b,c=a.split("{"),e=c.length,f=RegExp("(^|[\\s,>+~])("+d().join("|")+")(?=[[\\s,>+~#.:]|$)","gi"),g="$1"+A+"\\:$2";e--;)b=c[e]=c[e].split("}"),b[b.length-1]=b[b.length-1].replace(f,g),c[e]=b.join("}");return c.join("{")}function n(a){for(var b=a.length;b--;)a[b].removeNode()}function o(a){function b(){clearTimeout(g._removeSheetTimer),d&&d.removeNode(!0),d=null}var d,e,g=f(a),h=a.namespaces,i=a.parentWindow;return!B||a.printShived?a:("undefined"==typeof h[A]&&h.add(A),i.attachEvent("onbeforeprint",function(){b();for(var f,g,h,i=a.styleSheets,j=[],l=i.length,n=Array(l);l--;)n[l]=i[l];for(;h=n.pop();)if(!h.disabled&&z.test(h.media)){try{f=h.imports,g=f.length}catch(o){g=0}for(l=0;g>l;l++)n.push(f[l]);try{j.push(h.cssText)}catch(o){}}j=m(j.reverse().join("")),e=k(a),d=c(a,j)}),i.attachEvent("onafterprint",function(){n(e),clearTimeout(g._removeSheetTimer),g._removeSheetTimer=setTimeout(b,500)}),a.printShived=!0,a)}var p,q,r="3.7.3",s=a.html5||{},t=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,u=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,v="_html5shiv",w=0,x={};!function(){try{var a=b.createElement("a");a.innerHTML="<xyz></xyz>",p="hidden"in a,q=1==a.childNodes.length||function(){b.createElement("a");var a=b.createDocumentFragment();return"undefined"==typeof a.cloneNode||"undefined"==typeof a.createDocumentFragment||"undefined"==typeof a.createElement}()}catch(c){p=!0,q=!0}}();var y={elements:s.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video",version:r,shivCSS:s.shivCSS!==!1,supportsUnknownElements:q,shivMethods:s.shivMethods!==!1,type:"default",shivDocument:j,createElement:g,createDocumentFragment:h,addElements:e};a.html5=y,j(b);var z=/^$|\b(?:all|print)\b/,A="html5shiv",B=!q&&function(){var c=b.documentElement;return!("undefined"==typeof b.namespaces||"undefined"==typeof b.parentWindow||"undefined"==typeof c.applyElement||"undefined"==typeof c.removeNode||"undefined"==typeof a.attachEvent)}();y.type+=" print",y.shivPrint=o,o(b),"object"==typeof module&&module.exports&&(module.exports=y)}("undefined"!=typeof window?window:this,document);

_docs_/_static/js/html5shiv.min.js

@@ -0,0 +1,4 @@
+/**
+* @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+!function(a,b){function c(a,b){var c=a.createElement("p"),d=a.getElementsByTagName("head")[0]||a.documentElement;return c.innerHTML="x<style>"+b+"</style>",d.insertBefore(c.lastChild,d.firstChild)}function d(){var a=t.elements;return"string"==typeof a?a.split(" "):a}function e(a,b){var c=t.elements;"string"!=typeof c&&(c=c.join(" ")),"string"!=typeof a&&(a=a.join(" ")),t.elements=c+" "+a,j(b)}function f(a){var b=s[a[q]];return b||(b={},r++,a[q]=r,s[r]=b),b}function g(a,c,d){if(c||(c=b),l)return c.createElement(a);d||(d=f(c));var e;return e=d.cache[a]?d.cache[a].cloneNode():p.test(a)?(d.cache[a]=d.createElem(a)).cloneNode():d.createElem(a),!e.canHaveChildren||o.test(a)||e.tagUrn?e:d.frag.appendChild(e)}function h(a,c){if(a||(a=b),l)return a.createDocumentFragment();c=c||f(a);for(var e=c.frag.cloneNode(),g=0,h=d(),i=h.length;i>g;g++)e.createElement(h[g]);return e}function i(a,b){b.cache||(b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag()),a.createElement=function(c){return t.shivMethods?g(c,a,b):b.createElem(c)},a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+d().join().replace(/[\w\-:]+/g,function(a){return b.createElem(a),b.frag.createElement(a),'c("'+a+'")'})+");return n}")(t,b.frag)}function j(a){a||(a=b);var d=f(a);return!t.shivCSS||k||d.hasCSS||(d.hasCSS=!!c(a,"article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}")),l||i(a,d),a}var k,l,m="3.7.3-pre",n=a.html5||{},o=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,p=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,q="_html5shiv",r=0,s={};!function(){try{var a=b.createElement("a");a.innerHTML="<xyz></xyz>",k="hidden"in a,l=1==a.childNodes.length||function(){b.createElement("a");var a=b.createDocumentFragment();return"undefined"==typeof a.cloneNode||"undefined"==typeof a.createDocumentFragment||"undefined"==typeof a.createElement}()}catch(c){k=!0,l=!0}}();var t={elements:n.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video",version:m,shivCSS:n.shivCSS!==!1,supportsUnknownElements:l,shivMethods:n.shivMethods!==!1,type:"default",shivDocument:j,createElement:g,createDocumentFragment:h,addElements:e};a.html5=t,j(b),"object"==typeof module&&module.exports&&(module.exports=t)}("undefined"!=typeof window?window:this,document);

_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){}]);

_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;
+}
+
+

_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 */

_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();
+});

_docs_/genindex.html

@@ -0,0 +1,241 @@
+
+
+
+<!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; caching  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"> caching
+          
+
+          
+          </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">caching</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="#C"><strong>C</strong></a>
+ | <a href="#G"><strong>G</strong></a>
+ | <a href="#K"><strong>K</strong></a>
+ | <a href="#P"><strong>P</strong></a>
+ 
+</div>
+<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#module-caching">caching (module)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="G">G</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#caching.property_cache_pickle.get">get() (caching.property_cache_pickle method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="K">K</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#caching.property_cache_pickle.keys">keys() (caching.property_cache_pickle method)</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#caching.property_cache_json">property_cache_json (class in caching)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#caching.property_cache_pickle">property_cache_pickle (class in caching)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+
+
+           </div>
+           
+          </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>
+
+        </div>
+      </div>
+
+    </section>
+
+  </div>
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+            
+  <div class="section" id="module-caching">
+<span id="welcome-to-cachings-s-documentation"></span><h1>Welcome to cachings’s documentation!<a class="headerlink" href="#module-caching" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="caching-caching-module">
+<h2>caching (Caching Module)<a class="headerlink" href="#caching-caching-module" 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 for caching e.g. properties of other instances.</div></blockquote>
+<p><strong>Submodules:</strong></p>
+<ul class="simple">
+<li><a class="reference internal" href="#caching.property_cache_json" title="caching.property_cache_json"><code class="xref py py-class docutils literal notranslate"><span class="pre">caching.property_cache_json</span></code></a></li>
+<li><a class="reference internal" href="#caching.property_cache_pickle" title="caching.property_cache_pickle"><code class="xref py py-class docutils literal notranslate"><span class="pre">caching.property_cache_pickle</span></code></a></li>
+</ul>
+<p><strong>Unittest:</strong></p>
+<blockquote>
+<div>See also the <a class="reference download internal" download="" href="_downloads/f5f51665bfc67c10ccc039770b738067/unittest.pdf"><code class="xref download docutils literal notranslate"><span class="pre">unittest</span></code></a> documentation.</div></blockquote>
+<dl class="class">
+<dt id="caching.property_cache_json">
+<em class="property">class </em><code class="descclassname">caching.</code><code class="descname">property_cache_json</code><span class="sig-paren">(</span><em>source_instance</em>, <em>cache_filename</em>, <em>load_all_on_init=False</em>, <em>callback_on_data_storage=None</em><span class="sig-paren">)</span><a class="headerlink" href="#caching.property_cache_json" title="Permalink to this definition">¶</a></dt>
+<dd><p>Class to cache properties, which take longer on initialising than reading a file in json format. See also parent <a class="reference internal" href="#caching.property_cache_pickle" title="caching.property_cache_pickle"><code class="xref py py-class docutils literal notranslate"><span class="pre">property_cache_pickle</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">Parameters:</th><td class="field-body"><ul class="first last simple">
+<li><strong>source_instance</strong> (<em>instance</em>) – The source instance holding the data</li>
+<li><strong>cache_filename</strong> (<em>str</em>) – File name, where the properties are stored as cache</li>
+<li><strong>load_all_on_init</strong> – Optionally init behaviour control parameter. True will load all available properties from source on init, False not.</li>
+</ul>
+</td>
+</tr>
+</tbody>
+</table>
+<div class="admonition warning">
+<p class="first admonition-title">Warning</p>
+<ul class="last simple">
+<li>This class uses json. You should <strong>only</strong> use keys of type string!</li>
+<li>Unicode types are transfered to strings</li>
+</ul>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>source_instance needs to have at least the following methods: uid(), keys(), data_version(), get()</p>
+<ul class="last simple">
+<li>uid(): returns the unique id of the source.</li>
+<li>keys(): returns a list of all available keys.</li>
+<li>data_version(): returns a version number of the current data (it should be increased, if the get method of the source instance returns improved values or the data structure had been changed).</li>
+<li>get(key, default): returns the property for a key. If key does not exists, default will be returned.</li>
+</ul>
+</div>
+<p>Reasons for updating the complete data set:</p>
+<ul class="simple">
+<li>UID of source_instance has changed (in comparison to the cached value).</li>
+<li>data_version is increased</li>
+</ul>
+<p><strong>Example:</strong></p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="ch">#!/usr/bin/env python</span>
+<span class="c1"># -*- coding: UTF-8 -*-</span>
+
+<span class="kn">import</span> <span class="nn">sys</span>
+<span class="kn">import</span> <span class="nn">time</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">caching</span>
+<span class="kn">import</span> <span class="nn">report</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="k">class</span> <span class="nc">test_slow_data</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
+    <span class="n">_ONE</span> <span class="o">=</span> <span class="s1">&#39;1&#39;</span>
+    <span class="n">_TWO</span> <span class="o">=</span> <span class="s1">&#39;2&#39;</span>
+    <span class="n">_THREE</span> <span class="o">=</span> <span class="s1">&#39;_property_cache_data_version_&#39;</span>
+    <span class="n">_FOUR</span> <span class="o">=</span> <span class="s1">&#39;_property_cache_uid_&#39;</span>
+    <span class="n">_FIVE</span> <span class="o">=</span> <span class="s1">&#39;__property_cache_uid_&#39;</span>
+    <span class="n">KEYS</span> <span class="o">=</span> <span class="p">[</span><span class="n">_ONE</span><span class="p">,</span> <span class="n">_TWO</span><span class="p">,</span> <span class="n">_THREE</span><span class="p">,</span> <span class="n">_FOUR</span><span class="p">,</span> <span class="n">_FIVE</span><span class="p">]</span>
+    <span class="n">VERS</span> <span class="o">=</span> <span class="mf">0.1</span>
+
+    <span class="k">def</span> <span class="nf">data_version</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">VERS</span>
+
+    <span class="k">def</span> <span class="nf">one</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_ONE</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">two</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_TWO</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">three</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_THREE</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">four</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_FOUR</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">five</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_FIVE</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="k">def</span> <span class="nf">print_n_sleep</span><span class="p">(</span><span class="n">k</span><span class="p">):</span>
+            <span class="n">sys</span><span class="o">.</span><span class="n">stdout</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">&#39;slow get executed for </span><span class="si">%s</span><span class="se">\n</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">k</span><span class="p">)</span>
+            <span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ONE</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;one&#39;</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_TWO</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;two&#39;</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_THREE</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;three&#39;</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_FOUR</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;four&#39;</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_FIVE</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;five&#39;</span>
+        <span class="k">return</span> <span class="n">default</span>
+
+    <span class="k">def</span> <span class="nf">keys</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">KEYS</span>
+
+    <span class="k">def</span> <span class="nf">uid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="kc">None</span>
+
+
+<span class="k">class</span> <span class="nc">tsd_cache_json</span><span class="p">(</span><span class="n">test_slow_data</span><span class="p">):</span>
+    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="n">test_slow_data</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
+        <span class="bp">self</span><span class="o">.</span><span class="n">_cached_data</span> <span class="o">=</span> <span class="n">caching</span><span class="o">.</span><span class="n">property_cache_json</span><span class="p">(</span><span class="n">test_slow_data</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">),</span> <span class="s1">&#39;cache.json&#39;</span><span class="p">,</span> <span class="n">load_all_on_init</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">two</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">test_slow_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_TWO</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cached_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="p">)</span>
+
+
+<span class="n">data</span> <span class="o">=</span> <span class="n">tsd_cache_json</span><span class="p">()</span>
+<span class="nb">print</span><span class="p">(</span><span class="s1">&#39;Testing property_cache (json):</span><span class="se">\\</span><span class="s1">n--------------------------------&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">one</span><span class="p">())</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">two</span><span class="p">())</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">three</span><span class="p">())</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">four</span><span class="p">())</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">five</span><span class="p">())</span>
+</pre></div>
+</div>
+<p>Will result on the first execution to the following output (with a long execution time):</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Testing</span> <span class="n">property_cache</span> <span class="p">(</span><span class="n">json</span><span class="p">):</span>\<span class="n">n</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">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">26</span><span class="p">,</span><span class="mi">892</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Cache</span> <span class="n">file</span> <span class="n">does</span> <span class="ow">not</span> <span class="n">exists</span> <span class="p">(</span><span class="n">yet</span><span class="p">)</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">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">26</span><span class="p">,</span><span class="mi">893</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">json</span><span class="p">)</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="mi">1</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">29</span><span class="p">,</span><span class="mi">896</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;1&#39;</span> <span class="kn">from</span> <span class="nn">source</span> <span class="n">instance</span> <span class="p">(</span><span class="s1">&#39;one&#39;</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">29</span><span class="p">,</span><span class="mi">897</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">json</span><span class="p">)</span>
+<span class="n">one</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="mi">2</span>
+<span class="n">two</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="n">_property_cache_data_version_</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">35</span><span class="p">,</span><span class="mi">904</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;_property_cache_data_version_&#39;</span> <span class="kn">from</span> <span class="nn">source</span> <span class="n">instance</span> <span class="p">(</span><span class="s1">&#39;three&#39;</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">35</span><span class="p">,</span><span class="mi">904</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">json</span><span class="p">)</span>
+<span class="n">three</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="n">_property_cache_uid_</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">38</span><span class="p">,</span><span class="mi">905</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;_property_cache_uid_&#39;</span> <span class="kn">from</span> <span class="nn">source</span> <span class="n">instance</span> <span class="p">(</span><span class="s1">&#39;four&#39;</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">38</span><span class="p">,</span><span class="mi">906</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">json</span><span class="p">)</span>
+<span class="n">four</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="n">__property_cache_uid_</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">41</span><span class="p">,</span><span class="mi">908</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;__property_cache_uid_&#39;</span> <span class="kn">from</span> <span class="nn">source</span> <span class="n">instance</span> <span class="p">(</span><span class="s1">&#39;five&#39;</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">41</span><span class="p">,</span><span class="mi">910</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">json</span><span class="p">)</span>
+<span class="n">five</span>
+</pre></div>
+</div>
+<p>With every following execution (slow for getting “two” which is not cached - see implementation):</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Testing</span> <span class="n">property_cache</span> <span class="p">(</span><span class="n">json</span><span class="p">):</span>\<span class="n">n</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">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">42</span><span class="p">,</span><span class="mi">014</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="n">properties</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">json</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">42</span><span class="p">,</span><span class="mi">015</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Providing</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;1&#39;</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="s1">&#39;one&#39;</span><span class="p">)</span>
+<span class="n">one</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="mi">2</span>
+<span class="n">two</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">45</span><span class="p">,</span><span class="mi">016</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Providing</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;_property_cache_data_version_&#39;</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="s1">&#39;three&#39;</span><span class="p">)</span>
+<span class="n">three</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">45</span><span class="p">,</span><span class="mi">016</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Providing</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;_property_cache_uid_&#39;</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="s1">&#39;four&#39;</span><span class="p">)</span>
+<span class="n">four</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">45</span><span class="p">,</span><span class="mi">017</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">JsonCache</span><span class="p">:</span> <span class="n">Providing</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;__property_cache_uid_&#39;</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="s1">&#39;five&#39;</span><span class="p">)</span>
+<span class="n">five</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="class">
+<dt id="caching.property_cache_pickle">
+<em class="property">class </em><code class="descclassname">caching.</code><code class="descname">property_cache_pickle</code><span class="sig-paren">(</span><em>source_instance</em>, <em>cache_filename</em>, <em>load_all_on_init=False</em>, <em>callback_on_data_storage=None</em><span class="sig-paren">)</span><a class="headerlink" href="#caching.property_cache_pickle" title="Permalink to this definition">¶</a></dt>
+<dd><p>Class to cache properties, which take longer on initialising than reading a file in pickle format.</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 last simple">
+<li><strong>source_instance</strong> (<em>instance</em>) – The source instance holding the data</li>
+<li><strong>cache_filename</strong> (<em>str</em>) – File name, where the properties are stored as cache</li>
+<li><strong>load_all_on_init</strong> – Optionally init behaviour control parameter. True will load all available properties from source on init, False not.</li>
+</ul>
+</td>
+</tr>
+</tbody>
+</table>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>source_instance needs to have at least the following methods: uid(), keys(), data_version(), get()</p>
+<ul class="last simple">
+<li>uid(): returns the unique id of the source.</li>
+<li>keys(): returns a list of all available keys.</li>
+<li>data_version(): returns a version number of the current data (it should be increased, if the get method of the source instance returns improved values or the data structure had been changed).</li>
+<li>get(key, default): returns the property for a key. If key does not exists, default will be returned.</li>
+</ul>
+</div>
+<p>Reasons for updating the complete data set:</p>
+<ul class="simple">
+<li>UID of source_instance has changed (in comparison to the cached value).</li>
+<li>data_version is increased</li>
+</ul>
+<p><strong>Example:</strong></p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="ch">#!/usr/bin/env python</span>
+<span class="c1"># -*- coding: UTF-8 -*-</span>
+
+<span class="kn">import</span> <span class="nn">sys</span>
+<span class="kn">import</span> <span class="nn">time</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">caching</span>
+<span class="kn">import</span> <span class="nn">report</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="k">class</span> <span class="nc">test_slow_data</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
+    <span class="n">_ONE</span> <span class="o">=</span> <span class="s1">&#39;1&#39;</span>
+    <span class="n">_TWO</span> <span class="o">=</span> <span class="s1">&#39;2&#39;</span>
+    <span class="n">_THREE</span> <span class="o">=</span> <span class="s1">&#39;_property_cache_data_version_&#39;</span>
+    <span class="n">_FOUR</span> <span class="o">=</span> <span class="s1">&#39;_property_cache_uid_&#39;</span>
+    <span class="n">_FIVE</span> <span class="o">=</span> <span class="s1">&#39;__property_cache_uid_&#39;</span>
+    <span class="n">KEYS</span> <span class="o">=</span> <span class="p">[</span><span class="n">_ONE</span><span class="p">,</span> <span class="n">_TWO</span><span class="p">,</span> <span class="n">_THREE</span><span class="p">,</span> <span class="n">_FOUR</span><span class="p">,</span> <span class="n">_FIVE</span><span class="p">]</span>
+    <span class="n">VERS</span> <span class="o">=</span> <span class="mf">0.1</span>
+
+    <span class="k">def</span> <span class="nf">data_version</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">VERS</span>
+
+    <span class="k">def</span> <span class="nf">one</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_ONE</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">two</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_TWO</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">three</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_THREE</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">four</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_FOUR</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">five</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_FIVE</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="k">def</span> <span class="nf">print_n_sleep</span><span class="p">(</span><span class="n">k</span><span class="p">):</span>
+            <span class="n">sys</span><span class="o">.</span><span class="n">stdout</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">&#39;slow get executed for </span><span class="si">%s</span><span class="se">\n</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">k</span><span class="p">)</span>
+            <span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ONE</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;one&#39;</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_TWO</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;two&#39;</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_THREE</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;three&#39;</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_FOUR</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;four&#39;</span>
+        <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_FIVE</span><span class="p">:</span>
+            <span class="n">print_n_sleep</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+            <span class="k">return</span> <span class="s1">&#39;five&#39;</span>
+        <span class="k">return</span> <span class="n">default</span>
+
+    <span class="k">def</span> <span class="nf">keys</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">KEYS</span>
+
+    <span class="k">def</span> <span class="nf">uid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="kc">None</span>
+
+
+<span class="k">class</span> <span class="nc">tsd_cache_pickle</span><span class="p">(</span><span class="n">test_slow_data</span><span class="p">):</span>
+    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="n">test_slow_data</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
+        <span class="bp">self</span><span class="o">.</span><span class="n">_cached_data</span> <span class="o">=</span> <span class="n">caching</span><span class="o">.</span><span class="n">property_cache_pickle</span><span class="p">(</span><span class="n">test_slow_data</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">),</span> <span class="s1">&#39;cache.pickle&#39;</span><span class="p">,</span> <span class="n">load_all_on_init</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">two</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">test_slow_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_TWO</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cached_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="p">)</span>
+
+
+<span class="n">data</span> <span class="o">=</span> <span class="n">tsd_cache_pickle</span><span class="p">()</span>
+<span class="nb">print</span><span class="p">(</span><span class="s1">&#39;Testing property_cache (pickle):</span><span class="se">\\</span><span class="s1">n--------------------------------&#39;</span><span class="p">)</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">one</span><span class="p">())</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">two</span><span class="p">())</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">three</span><span class="p">())</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">four</span><span class="p">())</span>
+<span class="nb">print</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">five</span><span class="p">())</span>
+</pre></div>
+</div>
+<p>Will result on the first execution to the following output (with a long execution time):</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Testing</span> <span class="n">property_cache</span> <span class="p">(</span><span class="n">pickle</span><span class="p">):</span>\<span class="n">n</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">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">08</span><span class="p">,</span><span class="mi">749</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Cache</span> <span class="n">file</span> <span class="n">does</span> <span class="ow">not</span> <span class="n">exists</span> <span class="p">(</span><span class="n">yet</span><span class="p">)</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">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">08</span><span class="p">,</span><span class="mi">749</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">pickle</span><span class="p">)</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="mi">1</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">11</span><span class="p">,</span><span class="mi">752</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;1&#39;</span> <span class="kn">from</span> <span class="nn">source</span> <span class="n">instance</span> <span class="p">(</span><span class="s1">&#39;one&#39;</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">11</span><span class="p">,</span><span class="mi">753</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">pickle</span><span class="p">)</span>
+<span class="n">one</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="mi">2</span>
+<span class="n">two</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="n">_property_cache_data_version_</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">17</span><span class="p">,</span><span class="mi">760</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;_property_cache_data_version_&#39;</span> <span class="kn">from</span> <span class="nn">source</span> <span class="n">instance</span> <span class="p">(</span><span class="s1">&#39;three&#39;</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">17</span><span class="p">,</span><span class="mi">760</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">pickle</span><span class="p">)</span>
+<span class="n">three</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="n">_property_cache_uid_</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">20</span><span class="p">,</span><span class="mi">764</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;_property_cache_uid_&#39;</span> <span class="kn">from</span> <span class="nn">source</span> <span class="n">instance</span> <span class="p">(</span><span class="s1">&#39;four&#39;</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">20</span><span class="p">,</span><span class="mi">764</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">pickle</span><span class="p">)</span>
+<span class="n">four</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="n">__property_cache_uid_</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">23</span><span class="p">,</span><span class="mi">768</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;__property_cache_uid_&#39;</span> <span class="kn">from</span> <span class="nn">source</span> <span class="n">instance</span> <span class="p">(</span><span class="s1">&#39;five&#39;</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">23</span><span class="p">,</span><span class="mi">768</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">cache</span><span class="o">-</span><span class="n">file</span> <span class="n">stored</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">pickle</span><span class="p">)</span>
+<span class="n">five</span>
+</pre></div>
+</div>
+<p>With every following execution (slow for getting “two” which is not cached - see implementation):</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Testing</span> <span class="n">property_cache</span> <span class="p">(</span><span class="n">pickle</span><span class="p">):</span>\<span class="n">n</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">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">23</span><span class="p">,</span><span class="mi">828</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">INFO</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Loading</span> <span class="n">properties</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="n">cache</span><span class="o">.</span><span class="n">pickle</span><span class="p">)</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">23</span><span class="p">,</span><span class="mi">828</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Providing</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;1&#39;</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="s1">&#39;one&#39;</span><span class="p">)</span>
+<span class="n">one</span>
+<span class="n">slow</span> <span class="n">get</span> <span class="n">executed</span> <span class="k">for</span> <span class="mi">2</span>
+<span class="n">two</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">26</span><span class="p">,</span><span class="mi">828</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Providing</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;_property_cache_data_version_&#39;</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="s1">&#39;three&#39;</span><span class="p">)</span>
+<span class="n">three</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">26</span><span class="p">,</span><span class="mi">829</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Providing</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;_property_cache_uid_&#39;</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="s1">&#39;four&#39;</span><span class="p">)</span>
+<span class="n">four</span>
+<span class="mi">2021</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">07</span> <span class="mi">21</span><span class="p">:</span><span class="mi">58</span><span class="p">:</span><span class="mi">26</span><span class="p">,</span><span class="mi">829</span><span class="p">:</span> <span class="n">root</span><span class="o">.</span><span class="n">caching</span> <span class="o">-</span> <span class="n">DEBUG</span> <span class="o">-</span> <span class="n">PickCache</span><span class="p">:</span> <span class="n">Providing</span> <span class="nb">property</span> <span class="k">for</span> <span class="s1">&#39;__property_cache_uid_&#39;</span> <span class="kn">from</span> <span class="nn">cache</span> <span class="p">(</span><span class="s1">&#39;five&#39;</span><span class="p">)</span>
+<span class="n">five</span>
+</pre></div>
+</div>
+<dl class="method">
+<dt id="caching.property_cache_pickle.get">
+<code class="descname">get</code><span class="sig-paren">(</span><em>key</em>, <em>default=None</em><span class="sig-paren">)</span><a class="headerlink" href="#caching.property_cache_pickle.get" title="Permalink to this definition">¶</a></dt>
+<dd><p>Method to get the cached property. If key does not exists in cache, the property will be loaded from source_instance and stored in cache (file).</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>key</strong> – key for value to get.</li>
+<li><strong>default</strong> – value to be returned, if key does not exists.</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">value for a given key or default value.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="caching.property_cache_pickle.keys">
+<code class="descname">keys</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#caching.property_cache_pickle.keys" title="Permalink to this definition">¶</a></dt>
+<dd><p>Method to get the available keys (from <code class="xref py py-data docutils literal notranslate"><span class="pre">source_instance</span></code>).</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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+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+  <title>Python Module Index &mdash; caching  documentation</title>
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+           <div itemprop="articleBody">
+            
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+
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+   <a href="#cap-c"><strong>c</strong></a>
+   </div>
+
+   <table class="indextable modindextable">
+     <tr class="pcap"><td></td><td>&#160;</td><td></td></tr>
+     <tr class="cap" id="cap-c"><td></td><td>
+       <strong>c</strong></td><td></td></tr>
+     <tr>
+       <td></td>
+       <td>
+       <a href="index.html#module-caching"><code class="xref">caching</code></a></td><td>
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+
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_docs_/search.html

@@ -0,0 +1,214 @@
+
+
+<!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>Search &mdash; caching  documentation</title>
+  
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+    <script type="text/javascript" src="_static/searchtools.js"></script>
+    <link rel="index" title="Index" href="genindex.html" />
+    <link rel="search" title="Search" href="#" /> 
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+    <input type="text" name="q" placeholder="Search docs" />
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+        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div>
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+      </div>
+    </nav>
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+      Please activate JavaScript to enable the search functionality.
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+    <p>
+        
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+
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+  </div>
+    
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+    
+    <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a>
+    
+    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+
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_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:{"":{caching:[0,0,0,"-"]},"caching.property_cache_pickle":{get:[0,2,1,""],keys:[0,2,1,""]},caching:{property_cache_json:[0,1,1,""],property_cache_pickle:[0,1,1,""]}},objnames:{"0":["py","module","Python module"],"1":["py","class","Python class"],"2":["py","method","Python method"]},objtypes:{"0":"py:module","1":"py:class","2":"py:method"},terms:{"class":0,"default":0,"function":0,"import":0,"long":0,"return":0,"true":0,The:0,Will:0,With:0,__init__:0,__property_cache_uid_:0,_cached_data:0,_five:0,_four:0,_one:0,_property_cache_data_version_:0,_property_cache_uid_:0,_three:0,_two:0,alder:0,all:0,also:0,append:0,arg:0,author:0,avail:0,been:0,behaviour:0,bin:0,cache_filenam:0,callback_on_data_storag:0,chang:0,code:0,comparison:0,complet:0,control:0,current:0,data:0,data_vers:0,debug:0,def:0,descript:0,dirk:0,doe:0,env:0,everi:0,exampl:0,execut:0,exist:0,fals:0,file:0,first:0,five:0,follow:0,format:0,four:0,from:0,get:0,given:0,had:0,has:0,have:0,hold:0,implement:0,improv:0,increas:0,index:0,info:0,init:0,initialis:0,instanc:0,json:0,jsoncach:0,kei:0,kwarg:0,least:0,list:0,load:0,load_all_on_init:0,log_name_lvl:0,longer:0,method:0,mockeri:0,mount:0,name:0,need:0,none:0,number:0,object:0,one:0,onli:0,option:0,other:0,output:0,page:0,paramet:0,parent:0,path:0,pickcach:0,pickl:0,print:0,print_n_sleep:0,properti:0,property_cach:0,property_cache_json:0,property_cache_pickl:0,provid:0,python:0,read:0,reason:0,report:0,result:0,root:0,search:0,see:0,self:0,set:0,should:0,sleep:0,slow:0,sourc:0,source_inst:0,stdout:0,stdoutloggingconfigur:0,store:0,str:0,string:0,structur:0,submodul:0,sudo:0,support:0,sys:0,take:0,test:0,test_slow_data:0,than:0,thi:0,three:0,time:0,transfer:0,tsd_cache_json:0,tsd_cache_pickl:0,two:0,type:0,uid:0,unicod:0,uniqu:0,unittest:0,updat:0,use:0,uses:0,usr:0,utf:0,valu:0,ver:0,version:0,where:0,which:0,write:0,yet:0,you:0},titles:["Welcome to cachings\u2019s documentation!"],titleterms:{cach:0,document:0,indic:0,modul:0,tabl:0,welcom:0}})

_examples_/Makefile

@@ -0,0 +1,19 @@
+EXAMPLES = $(wildcard *.py)
+FIRSTLOGS = ${EXAMPLES:.py=_1.log}
+LASTLOGS = ${EXAMPLES:.py=_2.log}
+
+.PHONY: all
+.SECONDAY: $(FIRSTLOGS)
+
+all: $(LASTLOGS)
+
+%_1.log: %.py
+	rm -f *.json *.pickle
+	python3 $< > $@
+
+%_2.log: %.py %_1.log
+	python3 $< > $@
+	rm -f *.json *.pickle
+
+clean:
+	rm -f $(FIRSTLOGS) $(LASTLOGS) *.json *.pickle

_examples_/property_cache_json.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+import sys
+import time
+sys.path.append('../..')
+
+import caching
+import report
+
+
+report.stdoutLoggingConfigure(log_name_lvl=[('root', 'DEBUG'), ])
+
+
+class test_slow_data(object):
+    _ONE = '1'
+    _TWO = '2'
+    _THREE = '_property_cache_data_version_'
+    _FOUR = '_property_cache_uid_'
+    _FIVE = '__property_cache_uid_'
+    KEYS = [_ONE, _TWO, _THREE, _FOUR, _FIVE]
+    VERS = 0.1
+
+    def data_version(self):
+        return self.VERS
+
+    def one(self):
+        return self.get(self._ONE)
+
+    def two(self):
+        return self.get(self._TWO)
+
+    def three(self):
+        return self.get(self._THREE)
+
+    def four(self):
+        return self.get(self._FOUR)
+
+    def five(self):
+        return self.get(self._FIVE)
+
+    def get(self, key, default=None):
+        def print_n_sleep(k):
+            sys.stdout.write('slow get executed for %s\n' % k)
+            time.sleep(3)
+        if key == self._ONE:
+            print_n_sleep(key)
+            return 'one'
+        if key == self._TWO:
+            print_n_sleep(key)
+            return 'two'
+        if key == self._THREE:
+            print_n_sleep(key)
+            return 'three'
+        if key == self._FOUR:
+            print_n_sleep(key)
+            return 'four'
+        if key == self._FIVE:
+            print_n_sleep(key)
+            return 'five'
+        return default
+
+    def keys(self):
+        return self.KEYS
+
+    def uid(self):
+        return None
+
+
+class tsd_cache_json(test_slow_data):
+    def __init__(self, *args, **kwargs):
+        test_slow_data.__init__(self, *args, **kwargs)
+        self._cached_data = caching.property_cache_json(test_slow_data(*args, **kwargs), 'cache.json', load_all_on_init=False)
+
+    def two(self):
+        return test_slow_data.get(self, self._TWO)
+
+    def get(self, key, default=None):
+        return self._cached_data.get(key, default)
+
+
+data = tsd_cache_json()
+print('Testing property_cache (json):\\n--------------------------------')
+print(data.one())
+print(data.two())
+print(data.three())
+print(data.four())
+print(data.five())

_examples_/property_cache_pickle.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+import sys
+import time
+sys.path.append('../..')
+
+import caching
+import report
+
+
+report.stdoutLoggingConfigure(log_name_lvl=[('root', 'DEBUG'), ])
+
+
+class test_slow_data(object):
+    _ONE = '1'
+    _TWO = '2'
+    _THREE = '_property_cache_data_version_'
+    _FOUR = '_property_cache_uid_'
+    _FIVE = '__property_cache_uid_'
+    KEYS = [_ONE, _TWO, _THREE, _FOUR, _FIVE]
+    VERS = 0.1
+
+    def data_version(self):
+        return self.VERS
+
+    def one(self):
+        return self.get(self._ONE)
+
+    def two(self):
+        return self.get(self._TWO)
+
+    def three(self):
+        return self.get(self._THREE)
+
+    def four(self):
+        return self.get(self._FOUR)
+
+    def five(self):
+        return self.get(self._FIVE)
+
+    def get(self, key, default=None):
+        def print_n_sleep(k):
+            sys.stdout.write('slow get executed for %s\n' % k)
+            time.sleep(3)
+        if key == self._ONE:
+            print_n_sleep(key)
+            return 'one'
+        if key == self._TWO:
+            print_n_sleep(key)
+            return 'two'
+        if key == self._THREE:
+            print_n_sleep(key)
+            return 'three'
+        if key == self._FOUR:
+            print_n_sleep(key)
+            return 'four'
+        if key == self._FIVE:
+            print_n_sleep(key)
+            return 'five'
+        return default
+
+    def keys(self):
+        return self.KEYS
+
+    def uid(self):
+        return None
+
+
+class tsd_cache_pickle(test_slow_data):
+    def __init__(self, *args, **kwargs):
+        test_slow_data.__init__(self, *args, **kwargs)
+        self._cached_data = caching.property_cache_pickle(test_slow_data(*args, **kwargs), 'cache.pickle', load_all_on_init=False)
+
+    def two(self):
+        return test_slow_data.get(self, self._TWO)
+
+    def get(self, key, default=None):
+        return self._cached_data.get(key, default)
+
+
+data = tsd_cache_pickle()
+print('Testing property_cache (pickle):\\n--------------------------------')
+print(data.one())
+print(data.two())
+print(data.three())
+print(data.four())
+print(data.five())