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-rw-r--r--synapse/handlers/message.py3
-rw-r--r--synapse/handlers/sync.py12
-rw-r--r--synapse/storage/registration.py1
-rw-r--r--synapse/storage/search.py5
-rw-r--r--synapse/util/caches/descriptors.py12
-rw-r--r--synapse/util/frozenutils.py14
6 files changed, 33 insertions, 14 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 81cff0870e..1cb81b6cf8 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -572,6 +572,9 @@ class EventCreationHandler(object):
 
         u = yield self.store.get_user_by_id(user_id)
         assert u is not None
+        if u["appservice_id"] is not None:
+            # users registered by an appservice are exempt
+            return
         if u["consent_version"] == self.config.user_consent_version:
             return
 
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index d0c99c35e3..8377650b68 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -443,6 +443,10 @@ class SyncHandler(object):
         Returns:
             A Deferred map from ((type, state_key)->Event)
         """
+        # FIXME this claims to get the state at a stream position, but
+        # get_recent_events_for_room operates by topo ordering. This therefore
+        # does not reliably give you the state at the given stream position.
+        # (https://github.com/matrix-org/synapse/issues/3305)
         last_events, _ = yield self.store.get_recent_events_for_room(
             room_id, end_token=stream_position.room_key, limit=1,
         )
@@ -1042,7 +1046,13 @@ class SyncHandler(object):
 
         Returns:
             Deferred(tuple): Returns a tuple of the form:
-            `([RoomSyncResultBuilder], [InvitedSyncResult], newly_joined_rooms)`
+            `(room_entries, invited_rooms, newly_joined_rooms, newly_left_rooms)`
+
+            where:
+                room_entries is a list [RoomSyncResultBuilder]
+                invited_rooms is a list [InvitedSyncResult]
+                newly_joined rooms is a list[str] of room ids
+                newly_left_rooms is a list[str] of room ids
         """
         user_id = sync_result_builder.sync_config.user.to_string()
         since_token = sync_result_builder.since_token
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index a530e29f43..40f7cc16ee 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -36,6 +36,7 @@ class RegistrationWorkerStore(SQLBaseStore):
             retcols=[
                 "name", "password_hash", "is_guest",
                 "consent_version", "consent_server_notice_sent",
+                "appservice_id",
             ],
             allow_none=True,
             desc="get_user_by_id",
diff --git a/synapse/storage/search.py b/synapse/storage/search.py
index 6ba3e59889..a9c299a861 100644
--- a/synapse/storage/search.py
+++ b/synapse/storage/search.py
@@ -18,13 +18,14 @@ import logging
 import re
 import simplejson as json
 
+from six import string_types
+
 from twisted.internet import defer
 
 from .background_updates import BackgroundUpdateStore
 from synapse.api.errors import SynapseError
 from synapse.storage.engines import PostgresEngine, Sqlite3Engine
 
-
 logger = logging.getLogger(__name__)
 
 SearchEntry = namedtuple('SearchEntry', [
@@ -126,7 +127,7 @@ class SearchStore(BackgroundUpdateStore):
                     # skip over it.
                     continue
 
-                if not isinstance(value, basestring):
+                if not isinstance(value, string_types):
                     # If the event body, name or topic isn't a string
                     # then skip over it
                     continue
diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py
index 8a9dcb2fc2..f4e2c30088 100644
--- a/synapse/util/caches/descriptors.py
+++ b/synapse/util/caches/descriptors.py
@@ -31,6 +31,9 @@ import functools
 import inspect
 import threading
 
+from six import string_types, itervalues
+import six
+
 
 logger = logging.getLogger(__name__)
 
@@ -205,7 +208,7 @@ class Cache(object):
     def invalidate_all(self):
         self.check_thread()
         self.cache.clear()
-        for entry in self._pending_deferred_cache.itervalues():
+        for entry in itervalues(self._pending_deferred_cache):
             entry.invalidate()
         self._pending_deferred_cache.clear()
 
@@ -392,9 +395,10 @@ class CacheDescriptor(_CacheDescriptorBase):
 
                 ret.addErrback(onErr)
 
-                # If our cache_key is a string, try to convert to ascii to save
-                # a bit of space in large caches
-                if isinstance(cache_key, basestring):
+                # If our cache_key is a string on py2, try to convert to ascii
+                # to save a bit of space in large caches. Py3 does this
+                # internally automatically.
+                if six.PY2 and isinstance(cache_key, string_types):
                     cache_key = to_ascii(cache_key)
 
                 result_d = ObservableDeferred(ret, consumeErrors=True)
diff --git a/synapse/util/frozenutils.py b/synapse/util/frozenutils.py
index f497b51f4a..15f0a7ba9e 100644
--- a/synapse/util/frozenutils.py
+++ b/synapse/util/frozenutils.py
@@ -16,16 +16,17 @@
 from frozendict import frozendict
 import simplejson as json
 
+from six import string_types
+
 
 def freeze(o):
-    t = type(o)
-    if t is dict:
+    if isinstance(o, dict):
         return frozendict({k: freeze(v) for k, v in o.items()})
 
-    if t is frozendict:
+    if isinstance(o, frozendict):
         return o
 
-    if t is str or t is unicode:
+    if isinstance(o, string_types):
         return o
 
     try:
@@ -37,11 +38,10 @@ def freeze(o):
 
 
 def unfreeze(o):
-    t = type(o)
-    if t is dict or t is frozendict:
+    if isinstance(o, (dict, frozendict)):
         return dict({k: unfreeze(v) for k, v in o.items()})
 
-    if t is str or t is unicode:
+    if isinstance(o, string_types):
         return o
 
     try: