fix: fill in tzinfo for datetime.fromtimestamp() calls

Unix timestamp is defined to be UTC and fromtimetamp correctly turns
it into whatever timezone you request. In most cases, just need to
specify *something* to avoid creating naive datetimes.

Author: jennifer-richards

bin/add-old-drafts-from-archive.py

@@ -66,9 +66,9 @@
                     print name, rev, "Can't parse", p,":",e
                     continue
             if draft.errors and draft.errors.keys()!=['draftname',]:
-                print "Errors - could not process", name, rev, datetime.datetime.fromtimestamp(p.stat().st_mtime), draft.errors, draft.get_title().encode('utf8')
+                print "Errors - could not process", name, rev, datetime.datetime.fromtimestamp(p.stat().st_mtime, datetime.timezone.utc), draft.errors, draft.get_title().encode('utf8')
             else:
-                time = datetime.datetime.fromtimestamp(p.stat().st_mtime)
+                time = datetime.datetime.fromtimestamp(p.stat().st_mtime, datetime.timezone.utc)
                 if not doc:
                     doc = Document.objects.create(name=name,
                                                   time=time,

ietf/doc/models.py

@@ -962,7 +962,7 @@ def fake_history_obj(self, rev):
             elif rev_events.exists():
                 time = rev_events.first().time
             else:
-                time = datetime.datetime.fromtimestamp(0)
+                time = datetime.datetime.fromtimestamp(0, datetime.timezone.utc)
             dh = DocHistory(name=self.name, rev=rev, doc=self, time=time, type=self.type, title=self.title,
                              stream=self.stream, group=self.group)
 

ietf/review/mailarch.py

@@ -89,7 +89,7 @@ def retrieve_messages_from_mbox(mbox_fileobj):
             utcdate = None
             d = email.utils.parsedate_tz(msg["Date"])
             if d:
-                utcdate = datetime.datetime.fromtimestamp(email.utils.mktime_tz(d))
+                utcdate = datetime.datetime.fromtimestamp(email.utils.mktime_tz(d), datetime.timezone.utc)
 
             res.append({
                 "from": msg["From"],

ietf/secr/proceedings/views.py

@@ -304,7 +304,7 @@ def select(request, meeting_num):
     # get the time proceedings were generated
     path = os.path.join(settings.SECR_PROCEEDINGS_DIR,meeting.number,'index.html')
     if os.path.exists(path):
-        last_run = datetime.datetime.fromtimestamp(os.path.getmtime(path))
+        last_run = datetime.datetime.fromtimestamp(os.path.getmtime(path), datetime.timezone.utc)
     else:
         last_run = None