* src/DateHandler.py: provide date handler registration function

* src/RelLib.py: more documentation
* src/dates/Date_es.py: use new registration function
* src/dates/Date_fr.py: use new registration function
* src/dates/Date_ru.py: use new registration function


svn: r3837

src/dates/Date_es.py

@@ -151,7 +151,6 @@ class DateDisplayES(DateDisplay):
 # Register classes
 #
 #-------------------------------------------------------------------------
-from DateHandler import _lang_to_parser, _lang_to_display
-for lang_str in ('es_ES','es_ES.iso88591','es_ES.utf8','spanish'):
-    _lang_to_parser[lang_str] = DateParserES
-    _lang_to_display[lang_str] = DateDisplayES
+from DateHandler import add_format
+register_datehandler(('es_ES','spanish'),DateParserES, DateDisplayES)
+

src/dates/Date_fr.py

@@ -145,7 +145,5 @@ class DateDisplayFR(DateDisplay):
 # Register classes
 #
 #-------------------------------------------------------------------------
-from DateHandler import _lang_to_parser, _lang_to_display
-for lang_str in ('fr_FR','fr_FR.iso88591','fr_FR.utf8','french'):
-    _lang_to_parser[lang_str] = DateParserFR
-    _lang_to_display[lang_str] = DateDisplayFR
+from DateHandler import add_format
+register_datehandler(('fr_FR','french'),DateParserFR, DateDisplayFR)

src/dates/Date_ru.py

@@ -160,7 +160,6 @@ class DateDisplayRU(DateDisplay):
 # Register classes
 #
 #-------------------------------------------------------------------------
-from DateHandler import _lang_to_parser, _lang_to_display
-for lang_str in ('ru_RU','ru_RU.koi8r','ru_RU.utf8','russian'):
-    _lang_to_parser[lang_str] = DateParserRU
-    _lang_to_display[lang_str] = DateDisplayRU
+from DateHandler import add_format
+register_datehandler(('ru_RU','russian'),DateParserRU, DateDisplayRU)
+