Let old date-extracting methods use dates_extract and mark them as deprecated

redfam.py

@@ -382,62 +382,46 @@ Maximum number of articles in red_fam exceeded, maximum number is 8, \
         return (beginning, ending)
 
     @classmethod
+    @deprecated( extract_dates )
     def is_beginning( cls, line ):
         """
         Returns the first timestamp found in line, otherwise None
-    
+
         @param      str    line    String to search in
-    
+
         @returns    str            Timestamp, otherwise None
         """
-        
-        match = cls.__timestamp_pat.search( line )
-        if match:
-            # Since some timestamps are broken we need to reconstruct them
-            # by regex match groups
-            result = match.group(1) + ", " + match.group(2) + ". " +\
-                match.group(3) + ". " + match.group(4)
-            return result
-        else:
-            return None
-        
+
+        return cls.extract_dates( line )[0]
+
     @classmethod
-    def is_ending( cls, line ):
+    @deprecated( extract_dates )
+    def is_ending( cls, line, isarchive=False ):
         """
         Returns the timestamp of done notice ( if one ), otherwise None
-        @param      str    line    String to search in
-    
-        @returns    str            Timestamp, otherwise None
+
+        @param  line    String to search in
+        @type  line  str
+        @param  isarchive  If true skip searching done notice (on archivepages)
+        @type  isarchive  bool
+
+        @returns  Timestamp, otherwise None
+        @returntype  str
         """
-        
-        if ( cls.__done_notice in line ) or ( cls.__done_notice2 in line ):
-            match = cls.__timestamp_pat.search( line )
-            if match:
-                # Since some timestamps are broken we need to reconstruct them
-                # by regex match groups
-                result = match.group(1) + ", " + match.group(2) + ". " +\
-                    match.group(3) + ". " + match.group(4)
-                return result
-        return None
-    
+
+        return cls.extract_dates( line )[1]
+
     @classmethod
+    @deprecated( extract_dates )
     def is_ending2( cls, line ):
         """
         Returns the last timestamp found in line, otherwise None
         @param      str    line    String to search in
-    
+
         @returns    str            Timestamp, otherwise None
         """
-        
-        matches = cls.__timestamp_pat.findall( line )
-        if matches:
-            # Since some timestamps are broken we need to reconstruct them
-            # by regex match groups
-            result = matches[-1][0] + ", " + matches[-1][1] + ". " +\
-                matches[-1][2] + ". " + matches[-1][3]
-            return result
-        else:
-            return None
+
+        return cls.extract_dates( line, True )[1]
 
 
 class RedFamWorker( RedFam ):