replace some iteritems with six

Signed-off-by: Adrian Tschira <nota@notafile.com>

6 files changed, 35 insertions, 27 deletions

diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index f7457a7082..31bd0e60c6 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -26,6 +26,8 @@ from ._base import BaseHandler
 
 import logging
 
+from six import itervalues, iteritems
+
 logger = logging.getLogger(__name__)
 
 
@@ -318,7 +320,7 @@ class DeviceHandler(BaseHandler):
             # The user may have left the room
             # TODO: Check if they actually did or if we were just invited.
             if room_id not in room_ids:
-                for key, event_id in current_state_ids.iteritems():
+                for key, event_id in iteritems(current_state_ids):
                     etype, state_key = key
                     if etype != EventTypes.Member:
                         continue
@@ -338,7 +340,7 @@ class DeviceHandler(BaseHandler):
             # special-case for an empty prev state: include all members
             # in the changed list
             if not event_ids:
-                for key, event_id in current_state_ids.iteritems():
+                for key, event_id in iteritems(current_state_ids):
                     etype, state_key = key
                     if etype != EventTypes.Member:
                         continue
@@ -354,10 +356,10 @@ class DeviceHandler(BaseHandler):
 
             # Check if we've joined the room? If so we just blindly add all the users to
             # the "possibly changed" users.
-            for state_dict in prev_state_ids.itervalues():
+            for state_dict in itervalues(prev_state_ids):
                 member_event = state_dict.get((EventTypes.Member, user_id), None)
                 if not member_event or member_event != current_member_id:
-                    for key, event_id in current_state_ids.iteritems():
+                    for key, event_id in iteritems(current_state_ids):
                         etype, state_key = key
                         if etype != EventTypes.Member:
                             continue
@@ -367,14 +369,14 @@ class DeviceHandler(BaseHandler):
             # If there has been any change in membership, include them in the
             # possibly changed list. We'll check if they are joined below,
             # and we're not toooo worried about spuriously adding users.
-            for key, event_id in current_state_ids.iteritems():
+            for key, event_id in iteritems(current_state_ids):
                 etype, state_key = key
                 if etype != EventTypes.Member:
                     continue
 
                 # check if this member has changed since any of the extremities
                 # at the stream_ordering, and add them to the list if so.
-                for state_dict in prev_state_ids.itervalues():
+                for state_dict in itervalues(prev_state_ids):
                     prev_event_id = state_dict.get(key, None)
                     if not prev_event_id or prev_event_id != event_id:
                         if state_key != user_id:
diff --git a/synapse/handlers/e2e_keys.py b/synapse/handlers/e2e_keys.py
index 25aec624af..8a2d177539 100644
--- a/synapse/handlers/e2e_keys.py
+++ b/synapse/handlers/e2e_keys.py
@@ -19,6 +19,7 @@ import logging
 
 from canonicaljson import encode_canonical_json
 from twisted.internet import defer
+from six import iteritems
 
 from synapse.api.errors import (
     SynapseError, CodeMessageException, FederationDeniedError,
@@ -92,7 +93,7 @@ class E2eKeysHandler(object):
         remote_queries_not_in_cache = {}
         if remote_queries:
             query_list = []
-            for user_id, device_ids in remote_queries.iteritems():
+            for user_id, device_ids in iteritems(remote_queries):
                 if device_ids:
                     query_list.extend((user_id, device_id) for device_id in device_ids)
                 else:
@@ -103,9 +104,9 @@ class E2eKeysHandler(object):
                     query_list
                 )
             )
-            for user_id, devices in remote_results.iteritems():
+            for user_id, devices in iteritems(remote_results):
                 user_devices = results.setdefault(user_id, {})
-                for device_id, device in devices.iteritems():
+                for device_id, device in iteritems(devices):
                     keys = device.get("keys", None)
                     device_display_name = device.get("device_display_name", None)
                     if keys:
@@ -250,9 +251,9 @@ class E2eKeysHandler(object):
             "Claimed one-time-keys: %s",
             ",".join((
                 "%s for %s:%s" % (key_id, user_id, device_id)
-                for user_id, user_keys in json_result.iteritems()
-                for device_id, device_keys in user_keys.iteritems()
-                for key_id, _ in device_keys.iteritems()
+                for user_id, user_keys in iteritems(json_result)
+                for device_id, device_keys in iteritems(user_keys)
+                for key_id, _ in iteritems(device_keys)
             )),
         )
 
diff --git a/synapse/handlers/groups_local.py b/synapse/handlers/groups_local.py
index 977993e7d4..dcae083734 100644
--- a/synapse/handlers/groups_local.py
+++ b/synapse/handlers/groups_local.py
@@ -15,6 +15,7 @@
 # limitations under the License.
 
 from twisted.internet import defer
+from six import iteritems
 
 from synapse.api.errors import SynapseError
 from synapse.types import get_domain_from_id
@@ -449,7 +450,7 @@ class GroupsLocalHandler(object):
 
         results = {}
         failed_results = []
-        for destination, dest_user_ids in destinations.iteritems():
+        for destination, dest_user_ids in iteritems(destinations):
             try:
                 r = yield self.transport_client.bulk_get_publicised_groups(
                     destination, list(dest_user_ids),
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index 91218e40e6..b51f925220 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -25,6 +25,8 @@ The methods that define policy are:
 from twisted.internet import defer, reactor
 from contextlib import contextmanager
 
+from six import itervalues, iteritems
+
 from synapse.api.errors import SynapseError
 from synapse.api.constants import PresenceState
 from synapse.storage.presence import UserPresenceState
@@ -40,7 +42,6 @@ import synapse.metrics
 
 import logging
 
-
 logger = logging.getLogger(__name__)
 
 metrics = synapse.metrics.get_metrics_for(__name__)
@@ -526,7 +527,7 @@ class PresenceHandler(object):
                 prev_state.copy_and_replace(
                     last_user_sync_ts=time_now_ms,
                 )
-                for prev_state in prev_states.itervalues()
+                for prev_state in itervalues(prev_states)
             ])
             self.external_process_last_updated_ms.pop(process_id, None)
 
@@ -549,14 +550,14 @@ class PresenceHandler(object):
             for user_id in user_ids
         }
 
-        missing = [user_id for user_id, state in states.iteritems() if not state]
+        missing = [user_id for user_id, state in iteritems(states) if not state]
         if missing:
             # There are things not in our in memory cache. Lets pull them out of
             # the database.
             res = yield self.store.get_presence_for_users(missing)
             states.update(res)
 
-            missing = [user_id for user_id, state in states.iteritems() if not state]
+            missing = [user_id for user_id, state in iteritems(states) if not state]
             if missing:
                 new = {
                     user_id: UserPresenceState.default(user_id)
@@ -1044,7 +1045,7 @@ class PresenceEventSource(object):
             defer.returnValue((updates.values(), max_token))
         else:
             defer.returnValue(([
-                s for s in updates.itervalues()
+                s for s in itervalues(updates)
                 if s.state != PresenceState.OFFLINE
             ], max_token))
 
@@ -1301,11 +1302,11 @@ def get_interested_remotes(store, states, state_handler):
     # hosts in those rooms.
     room_ids_to_states, users_to_states = yield get_interested_parties(store, states)
 
-    for room_id, states in room_ids_to_states.iteritems():
+    for room_id, states in iteritems(room_ids_to_states):
         hosts = yield state_handler.get_current_hosts_in_room(room_id)
         hosts_and_states.append((hosts, states))
 
-    for user_id, states in users_to_states.iteritems():
+    for user_id, states in iteritems(users_to_states):
         host = get_domain_from_id(user_id)
         hosts_and_states.append(([host], states))
 
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index 263e42dded..d0c99c35e3 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -28,6 +28,8 @@ import collections
 import logging
 import itertools
 
+from six import itervalues, iteritems
+
 logger = logging.getLogger(__name__)
 
 
@@ -275,7 +277,7 @@ class SyncHandler(object):
                 # result returned by the event source is poor form (it might cache
                 # the object)
                 room_id = event["room_id"]
-                event_copy = {k: v for (k, v) in event.iteritems()
+                event_copy = {k: v for (k, v) in iteritems(event)
                               if k != "room_id"}
                 ephemeral_by_room.setdefault(room_id, []).append(event_copy)
 
@@ -294,7 +296,7 @@ class SyncHandler(object):
             for event in receipts:
                 room_id = event["room_id"]
                 # exclude room id, as above
-                event_copy = {k: v for (k, v) in event.iteritems()
+                event_copy = {k: v for (k, v) in iteritems(event)
                               if k != "room_id"}
                 ephemeral_by_room.setdefault(room_id, []).append(event_copy)
 
@@ -325,7 +327,7 @@ class SyncHandler(object):
                 current_state_ids = frozenset()
                 if any(e.is_state() for e in recents):
                     current_state_ids = yield self.state.get_current_state_ids(room_id)
-                    current_state_ids = frozenset(current_state_ids.itervalues())
+                    current_state_ids = frozenset(itervalues(current_state_ids))
 
                 recents = yield filter_events_for_client(
                     self.store,
@@ -382,7 +384,7 @@ class SyncHandler(object):
                 current_state_ids = frozenset()
                 if any(e.is_state() for e in loaded_recents):
                     current_state_ids = yield self.state.get_current_state_ids(room_id)
-                    current_state_ids = frozenset(current_state_ids.itervalues())
+                    current_state_ids = frozenset(itervalues(current_state_ids))
 
                 loaded_recents = yield filter_events_for_client(
                     self.store,
@@ -984,7 +986,7 @@ class SyncHandler(object):
         if since_token:
             for joined_sync in sync_result_builder.joined:
                 it = itertools.chain(
-                    joined_sync.timeline.events, joined_sync.state.itervalues()
+                    joined_sync.timeline.events, itervalues(joined_sync.state)
                 )
                 for event in it:
                     if event.type == EventTypes.Member:
@@ -1062,7 +1064,7 @@ class SyncHandler(object):
         newly_left_rooms = []
         room_entries = []
         invited = []
-        for room_id, events in mem_change_events_by_room_id.iteritems():
+        for room_id, events in iteritems(mem_change_events_by_room_id):
             non_joins = [e for e in events if e.membership != Membership.JOIN]
             has_join = len(non_joins) != len(events)
 
diff --git a/synapse/handlers/user_directory.py b/synapse/handlers/user_directory.py
index 714f0195c8..cd0b7290f0 100644
--- a/synapse/handlers/user_directory.py
+++ b/synapse/handlers/user_directory.py
@@ -22,6 +22,7 @@ from synapse.util.metrics import Measure
 from synapse.util.async import sleep
 from synapse.types import get_localpart_from_id
 
+from six import iteritems
 
 logger = logging.getLogger(__name__)
 
@@ -403,7 +404,7 @@ class UserDirectoryHandler(object):
 
         if change:
             users_with_profile = yield self.state.get_current_user_in_room(room_id)
-            for user_id, profile in users_with_profile.iteritems():
+            for user_id, profile in iteritems(users_with_profile):
                 yield self._handle_new_user(room_id, user_id, profile)
         else:
             users = yield self.store.get_users_in_public_due_to_room(room_id)