Make mycreole independent from patt

context.py

+from django.conf import settings
 from django.utils.translation import gettext as _
+
 import logging
+import importlib
+
 from mycreole import url_upload
-from users.context import menubar as user_menubar
-from patt.context import navigationbar
 from themes import color_icon_url
 
 try:
 
 
 def context_adaption(context, request, title, rel_path, **kwargs):
+    def get_method(import_string):
+        class_data = import_string.split(".")
+        module_path = ".".join(class_data[:-1])
+        class_str = class_data[-1]
+        #
+        module = importlib.import_module(module_path)
+        return getattr(module, class_str)
+
+    def log_warning(method_name, e):
+        logger.warning('Could not import %s method for extending bars: %s - %s', method_name, type(e).__name__, e)
+
     context.set_additional_title(title)
-    user_menubar(context[context.MENUBAR], request)
-    navigationbar(context, request)
+    for key in ["menubar", "navibar"]:
+        try:
+            method_name = settings.MYCREOLE_BAR[key]
+        except (AttributeError, KeyError) as e:
+            log_warning(key, e)
+        else:
+            method = get_method(method_name)
+            method(context, request, caller_name="attachments")
     add_new(request, context[context.ACTIONBAR], rel_path, kwargs.get('next'))
     for key in kwargs:
         context[key] = kwargs[key]

help.py

 MYCREOLE_HELP = """\
 = Creole Markup
 
-The Fields //"Description"// and //"Name"// of Tasks and Projects are interpreted as creole. \
+Some Fields are interpreted as creole. \
 See http://www.wikicreole.org for more details.
 
 == Text Markup
 | Underline | {{{__text__}}} | __text__ |
 | Raw Link | {{{https://python.org}}} | https://python.org |
 | Text Link | {{{[[https://python.org|Python]]}}} | [[https://python.org|Python]] |
+
+== Additional syntax
 | Image | {{{ {{/media/theme/logo.png|logo}}     }}} | {{/media/theme/logo.png|logo}} |
 | Attachment Text Link | {{{[[attachment:file.ext|Python]]}}} |  |
 | Attachment Image | {{{ {{attachment:logo.png|logo}}     }}} |  |
 {{{
 unprocessde data! <div>
 }}}
-"""
+"""