timezone support in dal, assumes local time is gmt time

VERSION

@@ -1 +1 @@
-Version 2.00.0 (2012-08-21 08:55:37) dev
+Version 2.00.0 (2012-08-21 09:06:18) dev

gluon/dal.py

@@ -1702,6 +1702,16 @@ class BaseAdapter(ConnectionPool):
 
     def parse_datetime(self, value, field_type):
         if not isinstance(value, datetime.datetime):
+            if '+' in value:
+                value,tz = value.split('+')
+                h,m = tz.split(':')
+                dt = datetime.timedelta(seconds=3600*int(h)+60*int(m))
+            elif '-' in value:
+                value,tz = value.split('-')
+                h,m = tz.split(':')
+                dt = -datetime.timedelta(seconds=3600*int(h)+60*int(m))
+            else:
+                dt = None
             date_part, time_part = (
                 str(value).replace('T',' ')+' ').split(' ',1)
             (y, m, d) = map(int,date_part.split('-'))
@@ -1710,6 +1720,8 @@ class BaseAdapter(ConnectionPool):
             time_items = map(int,time_parts)
             (h, mi, s) = time_items
             value = datetime.datetime(y, m, d, h, mi, s)
+            if dt:
+                value = value + dt
         return value
 
     def parse_blob(self, value, field_type):