modifiable component default lang attribut

JCLComponent constructor takes an optional lang parameter to override default
jcl.lang.Lang class.
Typical usage is in derived component classes which has a derived (from
jcl.lang.Lang) Lang class.

darcs-hash:20070320172242-86b55-7f2552cd27d8c6990c7f9fea9d4fcdccafabe4ff.gz

src/jcl/jabber/component.py

@@ -77,7 +77,8 @@ class JCLComponent(Component, object):
                  port,
                  db_connection_str,
                  disco_category = "gateway",
-                 disco_type = "headline"):
+                 disco_type = "headline",
+                 lang = Lang()):
         Component.__init__(self, \
                            JID(jid), \
                            secret, \
@@ -96,7 +97,7 @@ class JCLComponent(Component, object):
         self.queue = Queue(100)
 
         self.__logger = logging.getLogger("jcl.jabber.JCLComponent")
-        self.lang = Lang()
+        self.lang = lang
         self.running = False
         self.wait_event = threading.Event()
 

src/jcl/jabber/feeder.py

@@ -29,6 +29,7 @@ __revision__ = "$Id: feeder.py,v 1.3 2005/09/18 20:24:07 dax Exp $"
 import logging
 
 from jcl.jabber.component import JCLComponent
+from jcl.lang import Lang
 
 class FeederComponent(JCLComponent):
     """Implement a feeder sender behavior based on the
@@ -40,13 +41,15 @@ class FeederComponent(JCLComponent):
                  secret,
                  server,
                  port,
-                 db_connection_str):
+                 db_connection_str,
+                 lang = Lang()):
         JCLComponent.__init__(self, \
                               jid, \
                               secret, \
                               server, \
                               port, \
-                              db_connection_str)
+                              db_connection_str, \
+                              lang)
         self.name = "Generic Feeder Component"
         # Define default feeder and sender, can be override
         self.feeder = Feeder()

src/jcl/lang.py

@@ -54,9 +54,9 @@ class Lang:
         """
         if lang is not None:
             lang = lang[:2]
-        if hasattr(Lang, lang):
-            return getattr(Lang, lang)
-        return getattr(Lang, self.default_lang)
+        if hasattr(self.__class__, lang):
+            return getattr(self.__class__, lang)
+        return getattr(self.__class__, self.default_lang)
 
     def get_lang_class_from_node(self, node):
         """Return lang class from XML node.