Handle timezone when parsing email date.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@22967 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/EmailDocument.py

@@ -28,7 +28,7 @@
 
 import re, types
 from DateTime import DateTime
-from time import mktime
+from time import mktime_tz
 from Globals import get_request
 from AccessControl import ClassSecurityInfo, Unauthorized
 from Products.ERP5Type.Base import WorkflowMethod
@@ -58,7 +58,7 @@ except ImportError:
 
 from email import message_from_string
 from email.Header import decode_header
-from email.Utils import parsedate
+from email.Utils import parsedate_tz
 
 DEFAULT_TEXT_FORMAT = 'text/html'
 COMMASPACE = ', '
@@ -256,9 +256,9 @@ class EmailDocument(File, TextDocument):
         return self._baseGetStartDate(default)
     date_string = self.getContentInformation().get('Date', None)
     if date_string:
-      parsed_date_string = parsedate(date_string)
+      parsed_date_string = parsedate_tz(date_string)
       if parsed_date_string is not None:
-        time = mktime(parsed_date_string)
+        time = mktime_tz(parsed_date_string)
         if time:
           return DateTime(time)
     return self.getCreationDate()