# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1423058027 -3600
# Node ID 1c2242bd5de420d3cda24131907df086b1076595
# Parent  f506b093407b723d028178659e82a12ad31f832b
Changed get_datetime_item to require a time regime since the tzname method of
datetimes is useless for the purpose of obtaining anything other than a specific
time zone.

diff -r f506b093407b -r 1c2242bd5de4 imip_manager.py
--- a/imip_manager.py	Tue Feb 03 23:40:24 2015 +0100
+++ b/imip_manager.py	Wed Feb 04 14:53:47 2015 +0100
@@ -424,8 +424,8 @@
             start = get_datetime(start, {"TZID" : tzid})
             end = end and get_datetime(end, {"TZID" : tzid}) or get_start_of_next_day(start, tzid)
 
-            start_value, start_attr = get_datetime_item(start)
-            end_value, end_attr = get_datetime_item(end)
+            start_value, start_attr = get_datetime_item(start, tzid)
+            end_value, end_attr = get_datetime_item(end, tzid)
 
             # Create a calendar object and store it as a request.
 
diff -r f506b093407b -r 1c2242bd5de4 imiptools/dates.py
--- a/imiptools/dates.py	Tue Feb 03 23:40:24 2015 +0100
+++ b/imiptools/dates.py	Wed Feb 04 14:53:47 2015 +0100
@@ -85,14 +85,14 @@
     else:
         return dt.strftime("%Y%m%d")
 
-def get_datetime_item(dt):
+def get_datetime_item(dt, tzid):
 
-    "Return an iCalendar-compatible string and attributes for 'dt'."
+    "Return an iCalendar-compatible string and attributes for 'dt' and 'tzid'."
 
     if not dt:
         return None, None
     value = format_datetime(dt)
-    attr = isinstance(dt, datetime) and {"TZID" : dt.tzname(), "VALUE" : "DATE-TIME"} or {"VALUE" : "DATE"}
+    attr = isinstance(dt, datetime) and {"TZID" : tzid, "VALUE" : "DATE-TIME"} or {"VALUE" : "DATE"}
     return value, attr
 
 def get_datetime(value, attr=None):