Fix pep8 codestyle warnings

synapse/app/homeserver.py

@@ -257,13 +257,16 @@ def setup():
     else:
         reactor.run()
 
+
 def run():
     with LoggingContext("run"):
         reactor.run()
 
+
 def main():
     with LoggingContext("main"):
         setup()
 
+
 if __name__ == '__main__':
     main()

synapse/app/synctl.py

@@ -21,11 +21,12 @@ import signal
 
 SYNAPSE = ["python", "-m", "synapse.app.homeserver"]
 
-CONFIGFILE="homeserver.yaml"
-PIDFILE="homeserver.pid"
+CONFIGFILE = "homeserver.yaml"
+PIDFILE = "homeserver.pid"
+
+GREEN = "\x1b[1;32m"
+NORMAL = "\x1b[m"
 
-GREEN="\x1b[1;32m"
-NORMAL="\x1b[m"
 
 def start():
     if not os.path.exists(CONFIGFILE):
@@ -43,12 +44,14 @@ def start():
     subprocess.check_call(args)
     print GREEN + "started" + NORMAL
 
+
 def stop():
     if os.path.exists(PIDFILE):
         pid = int(open(PIDFILE).read())
         os.kill(pid, signal.SIGTERM)
         print GREEN + "stopped" + NORMAL
 
+
 def main():
     action = sys.argv[1] if sys.argv[1:] else "usage"
     if action == "start":
@@ -62,5 +65,6 @@ def main():
         sys.stderr.write("Usage: %s [start|stop|restart]\n" % (sys.argv[0],))
         sys.exit(1)
 
-if __name__=='__main__':
+
+if __name__ == "__main__":
     main()

synapse/federation/replication.py

@@ -427,7 +427,9 @@ class ReplicationLayer(object):
         time_now = self._clock.time_msec()
         defer.returnValue((200, {
             "state": [p.get_pdu_json(time_now) for p in res_pdus["state"]],
-            "auth_chain": [p.get_pdu_json(time_now) for p in res_pdus["auth_chain"]],
+            "auth_chain": [
+                p.get_pdu_json(time_now) for p in res_pdus["auth_chain"]
+            ],
         }))
 
     @defer.inlineCallbacks
@@ -438,7 +440,9 @@ class ReplicationLayer(object):
             (
                 200,
                 {
-                    "auth_chain": [a.get_pdu_json(time_now) for a in auth_pdus],
+                    "auth_chain": [
+                        a.get_pdu_json(time_now) for a in auth_pdus
+                    ],
                 }
             )
         )

synapse/federation/units.py

@@ -25,7 +25,6 @@ import logging
 logger = logging.getLogger(__name__)
 
 
-
 class Edu(JsonEncodedObject):
     """ An Edu represents a piece of data sent from one homeserver to another.
 

synapse/handlers/directory.py

@@ -128,8 +128,9 @@ class DirectoryHandler(BaseHandler):
                 "servers": result.servers,
             })
         else:
-            raise SynapseError(404, "Room alias \"%s\" not found" % (room_alias,))
-
+            raise SynapseError(
+                404, "Room alias \"%s\" not found" % (room_alias,)
+            )
 
     @defer.inlineCallbacks
     def send_room_alias_update_event(self, user_id, room_id):

synapse/handlers/federation.py

@@ -122,7 +122,8 @@ class FederationHandler(BaseHandler):
                 event.origin, redacted_pdu_json
             )
         except SynapseError as e:
-            logger.warn("Signature check failed for %s redacted to %s",
+            logger.warn(
+                "Signature check failed for %s redacted to %s",
                 encode_canonical_json(pdu.get_pdu_json()),
                 encode_canonical_json(redacted_pdu_json),
             )
@@ -390,7 +391,8 @@ class FederationHandler(BaseHandler):
 
         event.outlier = False
 
-        is_new_state = yield self.state_handler.annotate_event_with_state(event)
+        state_handler = self.state_handler
+        is_new_state = yield state_handler.annotate_event_with_state(event)
         self.auth.check(event, raises=True)
 
         # FIXME (erikj):  All this is duplicated above :(

synapse/handlers/message.py

@@ -342,8 +342,8 @@ class MessageHandler(BaseHandler):
                 )
                 presence.append(member_presence)
             except Exception:
-                logger.exception("Failed to get member presence of %r",
-                    m.user_id
+                logger.exception(
+                    "Failed to get member presence of %r", m.user_id
                 )
 
         defer.returnValue({

synapse/handlers/room.py

@@ -178,7 +178,9 @@ class RoomCreationHandler(BaseHandler):
 
         if room_alias:
             result["room_alias"] = room_alias.to_string()
-            yield directory_handler.send_room_alias_update_event(user_id, room_id)
+            yield directory_handler.send_room_alias_update_event(
+                user_id, room_id
+            )
 
         defer.returnValue(result)
 
@@ -211,7 +213,6 @@ class RoomCreationHandler(BaseHandler):
             **event_keys
         )
 
-
         power_levels_event = self.event_factory.create_event(
             etype=RoomPowerLevelsEvent.TYPE,
             content={

synapse/http/content_repository.py

@@ -131,11 +131,13 @@ class ContentRepoResource(resource.Resource):
             request.setHeader('Content-Type', content_type)
 
             # cache for at least a day.
-            # XXX: we might want to turn this off for data we don't want to recommend
-            # caching as it's sensitive or private - or at least select private.
-            # don't bother setting Expires as all our matrix clients are smart enough to
-            # be happy with Cache-Control (right?)
-            request.setHeader('Cache-Control', 'public,max-age=86400,s-maxage=86400')
+            # XXX: we might want to turn this off for data we don't want to
+            # recommend caching as it's sensitive or private - or at least
+            # select private. don't bother setting Expires as all our matrix
+            # clients are smart enough to be happy with Cache-Control (right?)
+            request.setHeader(
+                "Cache-Control", "public,max-age=86400,s-maxage=86400"
+            )
 
             d = FileSender().beginFileTransfer(f, request)
 

synapse/http/server.py

@@ -138,8 +138,7 @@ class JsonResource(HttpServer, resource.Resource):
             )
         except CodeMessageException as e:
             if isinstance(e, SynapseError):
-                logger.info("%s SynapseError: %s - %s", request, e.code,
-                             e.msg)
+                logger.info("%s SynapseError: %s - %s", request, e.code, e.msg)
             else:
                 logger.exception(e)
             self._send_response(

synapse/notifier.py

@@ -214,6 +214,7 @@ class Notifier(object):
             timeout,
             deferred,
         )
+
         def _timeout_listener():
             # TODO (erikj): We should probably set to_token to the current
             # max rather than reusing from_token.

synapse/rest/events.py

@@ -26,7 +26,6 @@ import logging
 logger = logging.getLogger(__name__)
 
 
-
 class EventStreamRestServlet(RestServlet):
     PATTERN = client_path_pattern("/events$")
 

synapse/storage/_base.py

@@ -91,6 +91,7 @@ class SQLBaseStore(object):
     def runInteraction(self, desc, func, *args, **kwargs):
         """Wraps the .runInteraction() method on the underlying db_pool."""
         current_context = LoggingContext.current_context()
+
         def inner_func(txn, *args, **kwargs):
             with LoggingContext("runInteraction") as context:
                 current_context.copy_to(context)

synapse/storage/registration.py

@@ -75,7 +75,9 @@ class RegistrationStore(SQLBaseStore):
                         "VALUES (?,?,?)",
                         [user_id, password_hash, now])
         except IntegrityError:
-            raise StoreError(400, "User ID already taken.", errcode=Codes.USER_IN_USE)
+            raise StoreError(
+                400, "User ID already taken.", errcode=Codes.USER_IN_USE
+            )
 
         # it's possible for this to get a conflict, but only for a single user
         # since tokens are namespaced based on their user ID
@@ -83,8 +85,8 @@ class RegistrationStore(SQLBaseStore):
                     "VALUES (?,?)", [txn.lastrowid, token])
 
     def get_user_by_id(self, user_id):
-        query = ("SELECT users.name, users.password_hash FROM users "
-                "WHERE users.name = ?")
+        query = ("SELECT users.name, users.password_hash FROM users"
+                 " WHERE users.name = ?")
         return self._execute(
             self.cursor_to_dict,
             query, user_id
@@ -120,10 +122,10 @@ class RegistrationStore(SQLBaseStore):
 
     def _query_for_auth(self, txn, token):
         sql = (
-            "SELECT users.name, users.admin, access_tokens.device_id "
-            "FROM users "
-            "INNER JOIN access_tokens on users.id = access_tokens.user_id "
-            "WHERE token = ?"
+            "SELECT users.name, users.admin, access_tokens.device_id"
+            " FROM users"
+            " INNER JOIN access_tokens on users.id = access_tokens.user_id"
+            " WHERE token = ?"
         )
 
         cursor = txn.execute(sql, (token,))

synapse/storage/room.py

@@ -27,7 +27,9 @@ import logging
 logger = logging.getLogger(__name__)
 
 
-OpsLevel = collections.namedtuple("OpsLevel", ("ban_level", "kick_level", "redact_level"))
+OpsLevel = collections.namedtuple("OpsLevel", (
+    "ban_level", "kick_level", "redact_level")
+)
 
 
 class RoomStore(SQLBaseStore):

synapse/storage/stream.py

@@ -213,8 +213,8 @@ class StreamStore(SQLBaseStore):
         # Tokens really represent positions between elements, but we use
         # the convention of pointing to the event before the gap. Hence
         # we have a bit of asymmetry when it comes to equalities.
-        from_comp = '<=' if direction =='b' else '>'
-        to_comp = '>' if direction =='b' else '<='
+        from_comp = '<=' if direction == 'b' else '>'
+        to_comp = '>' if direction == 'b' else '<='
         order = "DESC" if direction == 'b' else "ASC"
 
         args = [room_id]
@@ -235,9 +235,10 @@ class StreamStore(SQLBaseStore):
         )
 
         sql = (
-            "SELECT *, (%(redacted)s) AS redacted FROM events "
-            "WHERE outlier = 0 AND room_id = ? AND %(bounds)s "
-            "ORDER BY topological_ordering %(order)s, stream_ordering %(order)s %(limit)s "
+            "SELECT *, (%(redacted)s) AS redacted FROM events"
+            " WHERE outlier = 0 AND room_id = ? AND %(bounds)s"
+            " ORDER BY topological_ordering %(order)s,"
+            " stream_ordering %(order)s %(limit)s"
         ) % {
             "redacted": del_sql,
             "bounds": bounds,

synapse/util/__init__.py

@@ -37,6 +37,7 @@ class Clock(object):
 
     def call_later(self, delay, callback):
         current_context = LoggingContext.current_context()
+
         def wrapped_callback():
             LoggingContext.thread_local.current_context = current_context
             callback()

synapse/util/async.py

@@ -18,6 +18,7 @@ from twisted.internet import defer, reactor
 
 from .logcontext import PreserveLoggingContext
 
+
 @defer.inlineCallbacks
 def sleep(seconds):
     d = defer.Deferred()
@@ -25,6 +26,7 @@ def sleep(seconds):
     with PreserveLoggingContext():
         yield d
 
+
 def run_on_reactor():
     """ This will cause the rest of the function to be invoked upon the next
     iteration of the main loop