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diff --git a/creactistore/_templates/lib/isodate/isodatetime.py b/creactistore/_templates/lib/isodate/isodatetime.py
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+++ b/creactistore/_templates/lib/isodate/isodatetime.py
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+##############################################################################
+# Copyright 2009, Gerhard Weis
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+#  * Redistributions of source code must retain the above copyright notice,
+#    this list of conditions and the following disclaimer.
+#  * Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+#  * Neither the name of the authors nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT
+##############################################################################
+'''
+This module defines a method to parse an ISO 8601:2004 date time string.
+
+For this job it uses the parse_date and parse_time methods defined in date
+and time module.
+'''
+from datetime import datetime
+
+from isodate.isostrf import strftime
+from isodate.isostrf import DATE_EXT_COMPLETE, TIME_EXT_COMPLETE, TZ_EXT
+from isodate.isodates import parse_date
+from isodate.isotime import parse_time
+
+def parse_datetime(datetimestring):
+    '''
+    Parses ISO 8601 date-times into datetime.datetime objects.
+    
+    This function uses parse_date and parse_time to do the job, so it allows
+    more combinations of date and time representations, than the actual
+    ISO 8601:2004 standard allows.
+    '''
+    datestring, timestring = datetimestring.split('T')
+    tmpdate = parse_date(datestring)
+    tmptime = parse_time(timestring)
+    return datetime.combine(tmpdate, tmptime)
+
+def datetime_isoformat(tdt, format=DATE_EXT_COMPLETE + 'T' + 
+                                   TIME_EXT_COMPLETE + TZ_EXT):
+    '''
+    Format datetime strings. 
+    
+    This method is just a wrapper around isodate.isostrf.strftime and uses
+    Extended-Complete as default format.
+    '''
+    return strftime(tdt, format)