Fix timezone handling in Python 2 and 3.2.

src/ircmsgs.py

@@ -152,8 +152,8 @@ class IrcMsg(object):
                 if 'time' in self.server_tags:
                     s = self.server_tags['time']
                     date = datetime.datetime.strptime(s, '%Y-%m-%dT%H:%M:%S.%fZ')
-                    date = date.replace(tzinfo=datetime.timezone.utc)
+                    date = minisix.make_datetime_utc(date)
-                    self.time = date.timestamp()
+                    self.time = minisix.datetime__timestamp(date)
                 else:
                     self.time = time.time()
             except (IndexError, ValueError):

src/utils/minisix.py

@@ -45,6 +45,17 @@ if sys.version_info[0] >= 3:
 
     u = lambda x:x
     L = lambda x:x
+
+    def make_datetime_utc(dt):
+        import datetime
+        return dt.replace(tzinfo=datetime.timezone.utc)
+    if sys.version_info >= (3, 3):
+        def datetime__timestamp(dt):
+            return dt.timestamp()
+    else:
+        def datetime__timestamp(dt):
+            import datetime
+            return (dt - datetime.datetime(1970, 1, 1, tzinfo=datetime.timezone.utc)).total_seconds()
 else:
     PY2 = True
     PY3 = False
@@ -67,3 +78,17 @@ else:
 
     u = lambda x:x.decode('utf8')
     L = lambda x:long(x)
+
+    def make_datetime_utc(dt):
+        from .. import log
+        log.warning('Timezones are not available on this version of '
+                    'Python and may lead to incorrect results. You should '
+                    'consider upgrading to Python 3.')
+        return dt.replace(tzinfo=None)
+    def datetime__timestamp(dt):
+        from .. import log
+        import datetime
+        log.warning('Timezones are not available on this version of '
+                    'Python and may lead to incorrect results. You should '
+                    'consider upgrading to Python 3.')
+        return (dt - datetime.datetime(1970, 1, 1)).total_seconds()