Import needed modules and add redfams-generator

We will need a couple of modules to build the needed generator
Also we will need a generator with redfams to work with

Related Task: [https://fs.golderweb.de/index.php?do=details&task_id=88 FS#88]

bots/markpages.py

@@ -26,8 +26,15 @@ Bot to mark pages which were/are subjects of redundance discussions
 with templates
 """
 
+from datetime import datetime
+
+from pywikibot import pagegenerators
 from pywikibot.bot import CurrentPageBot
 
+import jogobot
+
+from lib.redfam import RedFamWorker
+
 
 class MarkPagesBot( CurrentPageBot ):  # sets 'current_page' on each treat()
     """
@@ -47,8 +54,12 @@ class MarkPagesBot( CurrentPageBot ):  # sets 'current_page' on each treat()
             @type  iterable
         """
 
-        # Copy needed args
-        self.genFactory = genFactory
+        # Init attribute
+        self.__redfams = None  # Will hold a generator with our redfams
+
+        # We do not use predefined genFactory as there is no sensefull case to
+        # give a generator via cmd-line for this right now
+        self.genFactory = pagegenerators.GeneratorFactory()
 
         # Build generator with genFactory
         self.build_generator()
@@ -56,6 +67,21 @@ class MarkPagesBot( CurrentPageBot ):  # sets 'current_page' on each treat()
         # Run super class init with builded generator
         super( MarkPagesBot, self ).__init__(generator=self.gen)
 
+    @property
+    def redfams(self):
+        """
+        Holds redfams generator to work on in this bot
+        """
+        # Create generator if not present
+        if not self.__redfams:
+            end_after = datetime.strptime(
+                jogobot.config["red.markpages"]["mark_done_after"],
+                "%Y-%m-%d" )
+            self.__redfams = RedFamWorker.gen_by_status_and_ending(
+                2, end_after)
+
+        return self.__redfams
+
     def build_generator( self ):
         """
         Builds generator