Use callback to detect redfam.section

Detecting redfam-Sections via RegExp caused some false positives due to
wrong formated things in wikisyntax. See Task

Related Task: [https://fs.golderweb.de/index.php?do=details&task_id=78 FS#78]

redfam.py

@@ -341,6 +341,22 @@ class RedFamParser( RedFam ):
         else:
             return False
 
+    @classmethod
+    def is_section_redfam_cb( cls, heading ):
+        """
+        Used as callback for wikicode.get_sections in redpage.parse to
+        select sections which are redfams
+        """
+        # Because of strange behavior in some cases, parse heading again
+        # (Task FS#77)
+        heading = mwparser.parse( str( heading ) )
+
+        # Make sure we have min. two wikilinks in heading to assume a redfam
+        if len( heading.filter_wikilinks() ) >= 2:
+            return True
+        else:
+            return False
+
     @classmethod
     def parser( cls, text, page, isarchive=False ):
         """

redpage.py

@@ -28,9 +28,10 @@ Provides a class for handling redundance discussion pages and archives
 import pywikibot  # noqa
 import mwparserfromhell as mwparser
 
-import jogobot
+import jogobot  # noqa
 
 from mysqlred import MysqlRedPage
+from redfam import RedFamParser
 
 
 class RedPage:
@@ -116,7 +117,7 @@ class RedPage:
         # include_lead = if true include first section (intro)
         # include_heading = if true include heading
         fams = self.wikicode.get_sections(
-            matches=jogobot.config["redundances"]["section_heading_regex"],
+            matches=RedFamParser.is_section_redfam_cb,
             include_lead=False, include_headings=True )
 
         # Iterate over RedFam