run isort

synapse/api/auth.py

@@ -18,15 +18,16 @@ import logging
 from six import itervalues
 
 import pymacaroons
-from twisted.internet import defer
 from netaddr import IPAddress
 
+from twisted.internet import defer
+
 import synapse.types
 from synapse import event_auth
-from synapse.api.constants import EventTypes, Membership, JoinRules
+from synapse.api.constants import EventTypes, JoinRules, Membership
 from synapse.api.errors import AuthError, Codes
 from synapse.types import UserID
-from synapse.util.caches import register_cache, CACHE_SIZE_FACTOR
+from synapse.util.caches import CACHE_SIZE_FACTOR, register_cache
 from synapse.util.caches.lrucache import LruCache
 from synapse.util.metrics import Measure
 

synapse/api/errors.py

@@ -17,11 +17,11 @@
 
 import logging
 
-from canonicaljson import json
-
 from six import iteritems
 from six.moves import http_client
 
+from canonicaljson import json
+
 logger = logging.getLogger(__name__)
 
 

synapse/api/filtering.py

@@ -12,15 +12,15 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from synapse.api.errors import SynapseError
+import jsonschema
-from synapse.storage.presence import UserPresenceState
+from canonicaljson import json
-from synapse.types import UserID, RoomID
+from jsonschema import FormatChecker
+
 from twisted.internet import defer
 
-from canonicaljson import json
+from synapse.api.errors import SynapseError
-
+from synapse.storage.presence import UserPresenceState
-import jsonschema
+from synapse.types import RoomID, UserID
-from jsonschema import FormatChecker
 
 FILTER_SCHEMA = {
     "additionalProperties": False,

synapse/api/urls.py

@@ -15,8 +15,8 @@
 # limitations under the License.
 
 """Contains the URL paths to prefix various aspects of the server with. """
-from hashlib import sha256
 import hmac
+from hashlib import sha256
 
 from six.moves.urllib.parse import urlencode
 

synapse/app/__init__.py

@@ -14,9 +14,11 @@
 # limitations under the License.
 
 import sys
+
+from synapse import python_dependencies  # noqa: E402
+
 sys.dont_write_bytecode = True
 
-from synapse import python_dependencies   # noqa: E402
 
 try:
     python_dependencies.check_requirements()

synapse/app/_base.py

@@ -17,15 +17,18 @@ import gc
 import logging
 import sys
 
+from daemonize import Daemonize
+
+from twisted.internet import error, reactor
+
+from synapse.util import PreserveLoggingContext
+from synapse.util.rlimit import change_resource_limit
+
 try:
     import affinity
 except Exception:
     affinity = None
 
-from daemonize import Daemonize
-from synapse.util import PreserveLoggingContext
-from synapse.util.rlimit import change_resource_limit
-from twisted.internet import error, reactor
 
 logger = logging.getLogger(__name__)
 

synapse/app/appservice.py

@@ -16,6 +16,9 @@
 import logging
 import sys
 
+from twisted.internet import defer, reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse import events
 from synapse.app import _base
@@ -36,8 +39,6 @@ from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext, run_in_background
 from synapse.util.manhole import manhole
 from synapse.util.versionstring import get_version_string
-from twisted.internet import reactor, defer
-from twisted.web.resource import NoResource
 
 logger = logging.getLogger("synapse.app.appservice")
 

synapse/app/client_reader.py

@@ -16,6 +16,9 @@
 import logging
 import sys
 
+from twisted.internet import reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse import events
 from synapse.app import _base
@@ -44,8 +47,6 @@ from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext
 from synapse.util.manhole import manhole
 from synapse.util.versionstring import get_version_string
-from twisted.internet import reactor
-from twisted.web.resource import NoResource
 
 logger = logging.getLogger("synapse.app.client_reader")
 

synapse/app/event_creator.py

@@ -16,6 +16,9 @@
 import logging
 import sys
 
+from twisted.internet import reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse import events
 from synapse.app import _base
@@ -43,8 +46,10 @@ from synapse.replication.slave.storage.room import RoomStore
 from synapse.replication.slave.storage.transactions import TransactionStore
 from synapse.replication.tcp.client import ReplicationClientHandler
 from synapse.rest.client.v1.room import (
-    RoomSendEventRestServlet, RoomMembershipRestServlet, RoomStateEventRestServlet,
     JoinRoomAliasServlet,
+    RoomMembershipRestServlet,
+    RoomSendEventRestServlet,
+    RoomStateEventRestServlet,
 )
 from synapse.server import HomeServer
 from synapse.storage.engines import create_engine
@@ -52,8 +57,6 @@ from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext
 from synapse.util.manhole import manhole
 from synapse.util.versionstring import get_version_string
-from twisted.internet import reactor
-from twisted.web.resource import NoResource
 
 logger = logging.getLogger("synapse.app.event_creator")
 

synapse/app/federation_reader.py

@@ -16,6 +16,9 @@
 import logging
 import sys
 
+from twisted.internet import reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse import events
 from synapse.api.urls import FEDERATION_PREFIX
@@ -41,8 +44,6 @@ from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext
 from synapse.util.manhole import manhole
 from synapse.util.versionstring import get_version_string
-from twisted.internet import reactor
-from twisted.web.resource import NoResource
 
 logger = logging.getLogger("synapse.app.federation_reader")
 

synapse/app/federation_sender.py

@@ -16,6 +16,9 @@
 import logging
 import sys
 
+from twisted.internet import defer, reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse import events
 from synapse.app import _base
@@ -42,8 +45,6 @@ from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext, run_in_background
 from synapse.util.manhole import manhole
 from synapse.util.versionstring import get_version_string
-from twisted.internet import defer, reactor
-from twisted.web.resource import NoResource
 
 logger = logging.getLogger("synapse.app.federation_sender")
 

synapse/app/frontend_proxy.py

@@ -16,6 +16,9 @@
 import logging
 import sys
 
+from twisted.internet import defer, reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse import events
 from synapse.api.errors import SynapseError
@@ -25,9 +28,7 @@ from synapse.config.homeserver import HomeServerConfig
 from synapse.config.logger import setup_logging
 from synapse.crypto import context_factory
 from synapse.http.server import JsonResource
-from synapse.http.servlet import (
+from synapse.http.servlet import RestServlet, parse_json_object_from_request
-    RestServlet, parse_json_object_from_request,
-)
 from synapse.http.site import SynapseSite
 from synapse.metrics import RegistryProxy
 from synapse.metrics.resource import METRICS_PREFIX, MetricsResource
@@ -44,8 +45,6 @@ from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext
 from synapse.util.manhole import manhole
 from synapse.util.versionstring import get_version_string
-from twisted.internet import defer, reactor
-from twisted.web.resource import NoResource
 
 logger = logging.getLogger("synapse.app.frontend_proxy")
 

synapse/app/homeserver.py

@@ -18,27 +18,39 @@ import logging
 import os
 import sys
 
+from twisted.application import service
+from twisted.internet import defer, reactor
+from twisted.web.resource import EncodingResourceWrapper, NoResource
+from twisted.web.server import GzipEncoderFactory
+from twisted.web.static import File
+
 import synapse
 import synapse.config.logger
 from synapse import events
-from synapse.api.urls import CONTENT_REPO_PREFIX, FEDERATION_PREFIX, \
+from synapse.api.urls import (
-    LEGACY_MEDIA_PREFIX, MEDIA_PREFIX, SERVER_KEY_PREFIX, SERVER_KEY_V2_PREFIX, \
+    CONTENT_REPO_PREFIX,
-    STATIC_PREFIX, WEB_CLIENT_PREFIX
+    FEDERATION_PREFIX,
+    LEGACY_MEDIA_PREFIX,
+    MEDIA_PREFIX,
+    SERVER_KEY_PREFIX,
+    SERVER_KEY_V2_PREFIX,
+    STATIC_PREFIX,
+    WEB_CLIENT_PREFIX,
+)
 from synapse.app import _base
-from synapse.app._base import quit_with_error, listen_ssl, listen_tcp
+from synapse.app._base import listen_ssl, listen_tcp, quit_with_error
 from synapse.config._base import ConfigError
 from synapse.config.homeserver import HomeServerConfig
 from synapse.crypto import context_factory
 from synapse.federation.transport.server import TransportLayerServer
-from synapse.module_api import ModuleApi
 from synapse.http.additional_resource import AdditionalResource
 from synapse.http.server import RootRedirect
 from synapse.http.site import SynapseSite
 from synapse.metrics import RegistryProxy
 from synapse.metrics.resource import METRICS_PREFIX, MetricsResource
-from synapse.python_dependencies import CONDITIONAL_REQUIREMENTS, \
+from synapse.module_api import ModuleApi
-    check_requirements
+from synapse.python_dependencies import CONDITIONAL_REQUIREMENTS, check_requirements
-from synapse.replication.http import ReplicationRestResource, REPLICATION_PREFIX
+from synapse.replication.http import REPLICATION_PREFIX, ReplicationRestResource
 from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
 from synapse.rest import ClientRestResource
 from synapse.rest.key.v1.server_key_resource import LocalKey
@@ -55,11 +67,6 @@ from synapse.util.manhole import manhole
 from synapse.util.module_loader import load_module
 from synapse.util.rlimit import change_resource_limit
 from synapse.util.versionstring import get_version_string
-from twisted.application import service
-from twisted.internet import defer, reactor
-from twisted.web.resource import EncodingResourceWrapper, NoResource
-from twisted.web.server import GzipEncoderFactory
-from twisted.web.static import File
 
 logger = logging.getLogger("synapse.app.homeserver")
 

synapse/app/media_repository.py

@@ -16,11 +16,12 @@
 import logging
 import sys
 
+from twisted.internet import reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse import events
-from synapse.api.urls import (
+from synapse.api.urls import CONTENT_REPO_PREFIX, LEGACY_MEDIA_PREFIX, MEDIA_PREFIX
-    CONTENT_REPO_PREFIX, LEGACY_MEDIA_PREFIX, MEDIA_PREFIX
-)
 from synapse.app import _base
 from synapse.config._base import ConfigError
 from synapse.config.homeserver import HomeServerConfig
@@ -43,8 +44,6 @@ from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext
 from synapse.util.manhole import manhole
 from synapse.util.versionstring import get_version_string
-from twisted.internet import reactor
-from twisted.web.resource import NoResource
 
 logger = logging.getLogger("synapse.app.media_repository")
 

synapse/app/pusher.py

@@ -16,6 +16,9 @@
 import logging
 import sys
 
+from twisted.internet import defer, reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse import events
 from synapse.app import _base
@@ -37,8 +40,6 @@ from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext, run_in_background
 from synapse.util.manhole import manhole
 from synapse.util.versionstring import get_version_string
-from twisted.internet import defer, reactor
-from twisted.web.resource import NoResource
 
 logger = logging.getLogger("synapse.app.pusher")
 

synapse/app/synchrotron.py

@@ -17,6 +17,11 @@ import contextlib
 import logging
 import sys
 
+from six import iteritems
+
+from twisted.internet import defer, reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse.api.constants import EventTypes
 from synapse.app import _base
@@ -36,12 +41,12 @@ from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore
 from synapse.replication.slave.storage.devices import SlavedDeviceStore
 from synapse.replication.slave.storage.events import SlavedEventStore
 from synapse.replication.slave.storage.filtering import SlavedFilteringStore
+from synapse.replication.slave.storage.groups import SlavedGroupServerStore
 from synapse.replication.slave.storage.presence import SlavedPresenceStore
 from synapse.replication.slave.storage.push_rule import SlavedPushRuleStore
 from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
 from synapse.replication.slave.storage.registration import SlavedRegistrationStore
 from synapse.replication.slave.storage.room import RoomStore
-from synapse.replication.slave.storage.groups import SlavedGroupServerStore
 from synapse.replication.tcp.client import ReplicationClientHandler
 from synapse.rest.client.v1 import events
 from synapse.rest.client.v1.initial_sync import InitialSyncRestServlet
@@ -56,10 +61,6 @@ from synapse.util.logcontext import LoggingContext, run_in_background
 from synapse.util.manhole import manhole
 from synapse.util.stringutils import random_string
 from synapse.util.versionstring import get_version_string
-from twisted.internet import defer, reactor
-from twisted.web.resource import NoResource
-
-from six import iteritems
 
 logger = logging.getLogger("synapse.app.synchrotron")
 

synapse/app/synctl.py

@@ -16,16 +16,17 @@
 
 import argparse
 import collections
+import errno
 import glob
 import os
 import os.path
 import signal
 import subprocess
 import sys
-import yaml
-import errno
 import time
 
+import yaml
+
 SYNAPSE = [sys.executable, "-B", "-m", "synapse.app.homeserver"]
 
 GREEN = "\x1b[1;32m"

synapse/app/user_dir.py

@@ -17,6 +17,9 @@
 import logging
 import sys
 
+from twisted.internet import defer, reactor
+from twisted.web.resource import NoResource
+
 import synapse
 from synapse import events
 from synapse.app import _base
@@ -43,8 +46,6 @@ from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext, run_in_background
 from synapse.util.manhole import manhole
 from synapse.util.versionstring import get_version_string
-from twisted.internet import reactor, defer
-from twisted.web.resource import NoResource
 
 logger = logging.getLogger("synapse.app.user_dir")
 

synapse/appservice/__init__.py

@@ -12,17 +12,17 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from synapse.api.constants import EventTypes
-from synapse.util.caches.descriptors import cachedInlineCallbacks
-from synapse.types import GroupID, get_domain_from_id
-
-from twisted.internet import defer
-
 import logging
 import re
 
 from six import string_types
 
+from twisted.internet import defer
+
+from synapse.api.constants import EventTypes
+from synapse.types import GroupID, get_domain_from_id
+from synapse.util.caches.descriptors import cachedInlineCallbacks
+
 logger = logging.getLogger(__name__)
 
 

synapse/appservice/api.py

@@ -12,20 +12,20 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from twisted.internet import defer
-
-from synapse.api.constants import ThirdPartyEntityKind
-from synapse.api.errors import CodeMessageException
-from synapse.http.client import SimpleHttpClient
-from synapse.events.utils import serialize_event
-from synapse.util.caches.response_cache import ResponseCache
-from synapse.types import ThirdPartyInstanceID
-
 import logging
 import urllib
 
 from prometheus_client import Counter
 
+from twisted.internet import defer
+
+from synapse.api.constants import ThirdPartyEntityKind
+from synapse.api.errors import CodeMessageException
+from synapse.events.utils import serialize_event
+from synapse.http.client import SimpleHttpClient
+from synapse.types import ThirdPartyInstanceID
+from synapse.util.caches.response_cache import ResponseCache
+
 logger = logging.getLogger(__name__)
 
 sent_transactions_counter = Counter(

synapse/appservice/scheduler.py

@@ -48,14 +48,14 @@ UP & quit           +---------- YES                       SUCCESS
 This is all tied together by the AppServiceScheduler which DIs the required
 components.
 """
+import logging
+
 from twisted.internet import defer
 
 from synapse.appservice import ApplicationServiceState
 from synapse.util.logcontext import run_in_background
 from synapse.util.metrics import Measure
 
-import logging
-
 logger = logging.getLogger(__name__)
 
 

synapse/config/_base.py

@@ -16,11 +16,12 @@
 import argparse
 import errno
 import os
-import yaml
 from textwrap import dedent
 
 from six import integer_types
 
+import yaml
+
 
 class ConfigError(Exception):
     pass

synapse/config/api.py

@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import Config
-
 from synapse.api.constants import EventTypes
 
+from ._base import Config
+
 
 class ApiConfig(Config):
 

synapse/config/appservice.py

@@ -12,19 +12,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import Config, ConfigError
-
-from synapse.appservice import ApplicationService
-from synapse.types import UserID
-
-from netaddr import IPSet
-
-import yaml
 import logging
 
 from six import string_types
 from six.moves.urllib import parse as urlparse
 
+import yaml
+from netaddr import IPSet
+
+from synapse.appservice import ApplicationService
+from synapse.types import UserID
+
+from ._base import Config, ConfigError
+
 logger = logging.getLogger(__name__)
 
 

synapse/config/homeserver.py

@@ -13,32 +13,32 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from .tls import TlsConfig
-from .server import ServerConfig
-from .logger import LoggingConfig
-from .database import DatabaseConfig
-from .ratelimiting import RatelimitConfig
-from .repository import ContentRepositoryConfig
-from .captcha import CaptchaConfig
-from .voip import VoipConfig
-from .registration import RegistrationConfig
-from .metrics import MetricsConfig
 from .api import ApiConfig
 from .appservice import AppServiceConfig
-from .key import KeyConfig
+from .captcha import CaptchaConfig
-from .saml2 import SAML2Config
 from .cas import CasConfig
-from .password import PasswordConfig
-from .jwt import JWTConfig
-from .password_auth_providers import PasswordAuthProviderConfig
-from .emailconfig import EmailConfig
-from .workers import WorkerConfig
-from .push import PushConfig
-from .spam_checker import SpamCheckerConfig
-from .groups import GroupsConfig
-from .user_directory import UserDirectoryConfig
 from .consent_config import ConsentConfig
+from .database import DatabaseConfig
+from .emailconfig import EmailConfig
+from .groups import GroupsConfig
+from .jwt import JWTConfig
+from .key import KeyConfig
+from .logger import LoggingConfig
+from .metrics import MetricsConfig
+from .password import PasswordConfig
+from .password_auth_providers import PasswordAuthProviderConfig
+from .push import PushConfig
+from .ratelimiting import RatelimitConfig
+from .registration import RegistrationConfig
+from .repository import ContentRepositoryConfig
+from .saml2 import SAML2Config
+from .server import ServerConfig
 from .server_notices_config import ServerNoticesConfig
+from .spam_checker import SpamCheckerConfig
+from .tls import TlsConfig
+from .user_directory import UserDirectoryConfig
+from .voip import VoipConfig
+from .workers import WorkerConfig
 
 
 class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig,

synapse/config/jwt.py

@@ -15,7 +15,6 @@
 
 from ._base import Config, ConfigError
 
-
 MISSING_JWT = (
     """Missing jwt library. This is required for jwt login.
 

synapse/config/key.py

@@ -13,21 +13,24 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import Config, ConfigError
-
-from synapse.util.stringutils import random_string
-from signedjson.key import (
-    generate_signing_key, is_signing_algorithm_supported,
-    decode_signing_key_base64, decode_verify_key_bytes,
-    read_signing_keys, write_signing_keys, NACL_ED25519
-)
-from unpaddedbase64 import decode_base64
-from synapse.util.stringutils import random_string_with_symbols
-
-import os
 import hashlib
 import logging
+import os
 
+from signedjson.key import (
+    NACL_ED25519,
+    decode_signing_key_base64,
+    decode_verify_key_bytes,
+    generate_signing_key,
+    is_signing_algorithm_supported,
+    read_signing_keys,
+    write_signing_keys,
+)
+from unpaddedbase64 import decode_base64
+
+from synapse.util.stringutils import random_string, random_string_with_symbols
+
+from ._base import Config, ConfigError
 
 logger = logging.getLogger(__name__)
 

synapse/config/logger.py

@@ -16,15 +16,17 @@ import logging
 import logging.config
 import os
 import signal
-from string import Template
 import sys
+from string import Template
+
+import yaml
 
 from twisted.logger import STDLibLogObserver, globalLogBeginner
-import yaml
 
 import synapse
 from synapse.util.logcontext import LoggingContextFilter
 from synapse.util.versionstring import get_version_string
+
 from ._base import Config
 
 DEFAULT_LOG_CONFIG = Template("""

synapse/config/password_auth_providers.py

@@ -13,10 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import Config
-
 from synapse.util.module_loader import load_module
 
+from ._base import Config
+
 LDAP_PROVIDER = 'ldap_auth_provider.LdapAuthProvider'
 
 

synapse/config/registration.py

@@ -13,11 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import Config
+from distutils.util import strtobool
 
 from synapse.util.stringutils import random_string_with_symbols
 
-from distutils.util import strtobool
+from ._base import Config
 
 
 class RegistrationConfig(Config):

synapse/config/repository.py

@@ -13,11 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import Config, ConfigError
 from collections import namedtuple
 
 from synapse.util.module_loader import load_module
 
+from ._base import Config, ConfigError
 
 MISSING_NETADDR = (
     "Missing netaddr library. This is required for URL preview API."

synapse/config/server.py

@@ -17,6 +17,7 @@
 import logging
 
 from synapse.http.endpoint import parse_and_validate_server_name
+
 from ._base import Config, ConfigError
 
 logger = logging.Logger(__name__)

synapse/config/server_notices_config.py

@@ -12,9 +12,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from ._base import Config
 from synapse.types import UserID
 
+from ._base import Config
+
 DEFAULT_CONFIG = """\
 # Server Notices room configuration
 #

synapse/config/tls.py

@@ -13,14 +13,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import Config
+import os
+import subprocess
+from hashlib import sha256
+
+from unpaddedbase64 import encode_base64
 
 from OpenSSL import crypto
-import subprocess
-import os
 
-from hashlib import sha256
+from ._base import Config
-from unpaddedbase64 import encode_base64
 
 GENERATE_DH_PARAMS = False
 

synapse/crypto/context_factory.py

@@ -12,12 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import ssl
-from OpenSSL import SSL, crypto
-from twisted.internet._sslverify import _defaultCurveName
-
 import logging
 
+from OpenSSL import SSL, crypto
+from twisted.internet import ssl
+from twisted.internet._sslverify import _defaultCurveName
+
 logger = logging.getLogger(__name__)
 
 

synapse/crypto/event_signing.py

@@ -15,16 +15,16 @@
 # limitations under the License.
 
 
-from synapse.api.errors import SynapseError, Codes
-from synapse.events.utils import prune_event
-
-from canonicaljson import encode_canonical_json
-from unpaddedbase64 import encode_base64, decode_base64
-from signedjson.sign import sign_json
-
 import hashlib
 import logging
 
+from canonicaljson import encode_canonical_json
+from signedjson.sign import sign_json
+from unpaddedbase64 import decode_base64, encode_base64
+
+from synapse.api.errors import Codes, SynapseError
+from synapse.events.utils import prune_event
+
 logger = logging.getLogger(__name__)
 
 

synapse/crypto/keyclient.py

@@ -13,14 +13,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.util import logcontext
-from twisted.web.http import HTTPClient
-from twisted.internet.protocol import Factory
-from twisted.internet import defer, reactor
-from synapse.http.endpoint import matrix_federation_endpoint
-from canonicaljson import json
 import logging
 
+from canonicaljson import json
+
+from twisted.internet import defer, reactor
+from twisted.internet.protocol import Factory
+from twisted.web.http import HTTPClient
+
+from synapse.http.endpoint import matrix_federation_endpoint
+from synapse.util import logcontext
 
 logger = logging.getLogger(__name__)
 

synapse/crypto/keyring.py

@@ -14,9 +14,31 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import hashlib
+import logging
+import urllib
+from collections import namedtuple
+
+from signedjson.key import (
+    decode_verify_key_bytes,
+    encode_verify_key_base64,
+    is_signing_algorithm_supported,
+)
+from signedjson.sign import (
+    SignatureVerifyException,
+    encode_canonical_json,
+    sign_json,
+    signature_ids,
+    verify_signed_json,
+)
+from unpaddedbase64 import decode_base64, encode_base64
+
+from OpenSSL import crypto
+from twisted.internet import defer
+
+from synapse.api.errors import Codes, SynapseError
 from synapse.crypto.keyclient import fetch_server_key
-from synapse.api.errors import SynapseError, Codes
+from synapse.util import logcontext, unwrapFirstError
-from synapse.util import unwrapFirstError, logcontext
 from synapse.util.logcontext import (
     PreserveLoggingContext,
     preserve_fn,
@@ -24,26 +46,6 @@ from synapse.util.logcontext import (
 )
 from synapse.util.metrics import Measure
 
-from twisted.internet import defer
-
-from signedjson.sign import (
-    verify_signed_json, signature_ids, sign_json, encode_canonical_json,
-    SignatureVerifyException,
-)
-from signedjson.key import (
-    is_signing_algorithm_supported, decode_verify_key_bytes,
-    encode_verify_key_base64,
-)
-from unpaddedbase64 import decode_base64, encode_base64
-
-from OpenSSL import crypto
-
-from collections import namedtuple
-import urllib
-import hashlib
-import logging
-
-
 logger = logging.getLogger(__name__)
 
 

synapse/event_auth.py

@@ -17,11 +17,11 @@ import logging
 
 from canonicaljson import encode_canonical_json
 from signedjson.key import decode_verify_key_bytes
-from signedjson.sign import verify_signed_json, SignatureVerifyException
+from signedjson.sign import SignatureVerifyException, verify_signed_json
 from unpaddedbase64 import decode_base64
 
-from synapse.api.constants import EventTypes, Membership, JoinRules
+from synapse.api.constants import EventTypes, JoinRules, Membership
-from synapse.api.errors import AuthError, SynapseError, EventSizeError
+from synapse.api.errors import AuthError, EventSizeError, SynapseError
 from synapse.types import UserID, get_domain_from_id
 
 logger = logging.getLogger(__name__)

synapse/events/__init__.py

@@ -13,9 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.util.frozenutils import freeze
 from synapse.util.caches import intern_dict
-
+from synapse.util.frozenutils import freeze
 
 # Whether we should use frozen_dict in FrozenEvent. Using frozen_dicts prevents
 # bugs where we accidentally share e.g. signature dicts. However, converting

synapse/events/builder.py

@@ -13,13 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from . import EventBase, FrozenEvent, _event_dict_property
+import copy
 
 from synapse.types import EventID
-
 from synapse.util.stringutils import random_string
 
-import copy
+from . import EventBase, FrozenEvent, _event_dict_property
 
 
 class EventBuilder(EventBase):

synapse/events/snapshot.py

@@ -13,10 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
-
 from frozendict import frozendict
 
+from twisted.internet import defer
+
 
 class EventContext(object):
     """

synapse/events/utils.py

@@ -13,15 +13,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.api.constants import EventTypes
-from . import EventBase
-
-from frozendict import frozendict
-
 import re
 
 from six import string_types
 
+from frozendict import frozendict
+
+from synapse.api.constants import EventTypes
+
+from . import EventBase
+
 # Split strings on "." but not "\." This uses a negative lookbehind assertion for '\'
 # (?<!stuff) matches if the current position in the string is not preceded
 # by a match for 'stuff'.

synapse/events/validator.py

@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.types import EventID, RoomID, UserID
-from synapse.api.errors import SynapseError
-from synapse.api.constants import EventTypes, Membership
-
 from six import string_types
 
+from synapse.api.constants import EventTypes, Membership
+from synapse.api.errors import SynapseError
+from synapse.types import EventID, RoomID, UserID
+
 
 class EventValidator(object):
 

synapse/federation/federation_base.py

@@ -16,14 +16,15 @@ import logging
 
 import six
 
+from twisted.internet import defer
+
 from synapse.api.constants import MAX_DEPTH
-from synapse.api.errors import SynapseError, Codes
+from synapse.api.errors import Codes, SynapseError
 from synapse.crypto.event_signing import check_event_content_hash
 from synapse.events import FrozenEvent
 from synapse.events.utils import prune_event
 from synapse.http.servlet import assert_params_in_request
-from synapse.util import unwrapFirstError, logcontext
+from synapse.util import logcontext, unwrapFirstError
-from twisted.internet import defer
 
 logger = logging.getLogger(__name__)
 

synapse/federation/federation_client.py

@@ -21,25 +21,25 @@ import random
 
 from six.moves import range
 
+from prometheus_client import Counter
+
 from twisted.internet import defer
 
 from synapse.api.constants import Membership
 from synapse.api.errors import (
-    CodeMessageException, HttpResponseException, SynapseError, FederationDeniedError
+    CodeMessageException,
+    FederationDeniedError,
+    HttpResponseException,
+    SynapseError,
 )
 from synapse.events import builder
-from synapse.federation.federation_base import (
+from synapse.federation.federation_base import FederationBase, event_from_pdu_json
-    FederationBase,
-    event_from_pdu_json,
-)
 from synapse.util import logcontext, unwrapFirstError
 from synapse.util.caches.expiringcache import ExpiringCache
 from synapse.util.logcontext import make_deferred_yieldable, run_in_background
 from synapse.util.logutils import log_function
 from synapse.util.retryutils import NotRetryingDestination
 
-from prometheus_client import Counter
-
 logger = logging.getLogger(__name__)
 
 sent_queries_counter = Counter("synapse_federation_client_sent_queries", "", ["type"])

synapse/federation/federation_server.py

@@ -16,19 +16,19 @@
 import logging
 import re
 
-from canonicaljson import json
 import six
+from six import iteritems
+
+from canonicaljson import json
+from prometheus_client import Counter
+
 from twisted.internet import defer
 from twisted.internet.abstract import isIPAddress
 
 from synapse.api.constants import EventTypes
-from synapse.api.errors import AuthError, FederationError, SynapseError, NotFoundError
+from synapse.api.errors import AuthError, FederationError, NotFoundError, SynapseError
 from synapse.crypto.event_signing import compute_event_signature
-from synapse.federation.federation_base import (
+from synapse.federation.federation_base import FederationBase, event_from_pdu_json
-    FederationBase,
-    event_from_pdu_json,
-)
-
 from synapse.federation.persistence import TransactionActions
 from synapse.federation.units import Edu, Transaction
 from synapse.http.endpoint import parse_server_name
@@ -37,10 +37,6 @@ from synapse.util import async
 from synapse.util.caches.response_cache import ResponseCache
 from synapse.util.logutils import log_function
 
-from prometheus_client import Counter
-
-from six import iteritems
-
 # when processing incoming transactions, we try to handle multiple rooms in
 # parallel, up to this limit.
 TRANSACTION_CONCURRENCY_LIMIT = 10

synapse/federation/persistence.py

@@ -19,13 +19,12 @@ package.
 These actions are mostly only used by the :py:mod:`.replication` module.
 """
 
+import logging
+
 from twisted.internet import defer
 
 from synapse.util.logutils import log_function
 
-import logging
-
-
 logger = logging.getLogger(__name__)
 
 

synapse/federation/send_queue.py

@@ -29,18 +29,18 @@ dead worker doesn't cause the queues to grow limitlessly.
 Events are replicated via a separate events stream.
 """
 
-from .units import Edu
+import logging
-
-from synapse.storage.presence import UserPresenceState
-from synapse.util.metrics import Measure
-from synapse.metrics import LaterGauge
-
-from sortedcontainers import SortedDict
 from collections import namedtuple
 
-import logging
+from six import iteritems, itervalues
 
-from six import itervalues, iteritems
+from sortedcontainers import SortedDict
+
+from synapse.metrics import LaterGauge
+from synapse.storage.presence import UserPresenceState
+from synapse.util.metrics import Measure
+
+from .units import Edu
 
 logger = logging.getLogger(__name__)
 

synapse/federation/transaction_queue.py

@@ -13,31 +13,29 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import datetime
-
+import logging
-from twisted.internet import defer
-
-from .persistence import TransactionActions
-from .units import Transaction, Edu
-
-from synapse.api.errors import HttpResponseException, FederationDeniedError
-from synapse.util import logcontext, PreserveLoggingContext
-from synapse.util.retryutils import NotRetryingDestination, get_retry_limiter
-from synapse.util.metrics import measure_func
-from synapse.handlers.presence import format_user_presence_state, get_interested_remotes
-import synapse.metrics
-from synapse.metrics import LaterGauge
-from synapse.metrics import (
-    sent_edus_counter,
-    sent_transactions_counter,
-    events_processed_counter,
-)
-
-from prometheus_client import Counter
 
 from six import itervalues
 
-import logging
+from prometheus_client import Counter
 
+from twisted.internet import defer
+
+import synapse.metrics
+from synapse.api.errors import FederationDeniedError, HttpResponseException
+from synapse.handlers.presence import format_user_presence_state, get_interested_remotes
+from synapse.metrics import (
+    LaterGauge,
+    events_processed_counter,
+    sent_edus_counter,
+    sent_transactions_counter,
+)
+from synapse.util import PreserveLoggingContext, logcontext
+from synapse.util.metrics import measure_func
+from synapse.util.retryutils import NotRetryingDestination, get_retry_limiter
+
+from .persistence import TransactionActions
+from .units import Edu, Transaction
 
 logger = logging.getLogger(__name__)
 

synapse/federation/transport/client.py

@@ -14,15 +14,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
-from synapse.api.constants import Membership
-
-from synapse.api.urls import FEDERATION_PREFIX as PREFIX
-from synapse.util.logutils import log_function
-
 import logging
 import urllib
 
+from twisted.internet import defer
+
+from synapse.api.constants import Membership
+from synapse.api.urls import FEDERATION_PREFIX as PREFIX
+from synapse.util.logutils import log_function
 
 logger = logging.getLogger(__name__)
 

synapse/federation/transport/server.py

@@ -14,26 +14,27 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
-
-from synapse.api.urls import FEDERATION_PREFIX as PREFIX
-from synapse.api.errors import Codes, SynapseError, FederationDeniedError
-from synapse.http.endpoint import parse_and_validate_server_name
-from synapse.http.server import JsonResource
-from synapse.http.servlet import (
-    parse_json_object_from_request, parse_integer_from_args, parse_string_from_args,
-    parse_boolean_from_args,
-)
-from synapse.util.ratelimitutils import FederationRateLimiter
-from synapse.util.versionstring import get_version_string
-from synapse.util.logcontext import run_in_background
-from synapse.types import ThirdPartyInstanceID, get_domain_from_id
-
 import functools
 import logging
 import re
-import synapse
 
+from twisted.internet import defer
+
+import synapse
+from synapse.api.errors import Codes, FederationDeniedError, SynapseError
+from synapse.api.urls import FEDERATION_PREFIX as PREFIX
+from synapse.http.endpoint import parse_and_validate_server_name
+from synapse.http.server import JsonResource
+from synapse.http.servlet import (
+    parse_boolean_from_args,
+    parse_integer_from_args,
+    parse_json_object_from_request,
+    parse_string_from_args,
+)
+from synapse.types import ThirdPartyInstanceID, get_domain_from_id
+from synapse.util.logcontext import run_in_background
+from synapse.util.ratelimitutils import FederationRateLimiter
+from synapse.util.versionstring import get_version_string
 
 logger = logging.getLogger(__name__)
 

synapse/federation/units.py

@@ -17,10 +17,9 @@
 server protocol.
 """
 
-from synapse.util.jsonobject import JsonEncodedObject
-
 import logging
 
+from synapse.util.jsonobject import JsonEncodedObject
 
 logger = logging.getLogger(__name__)
 

synapse/groups/attestations.py

@@ -38,15 +38,14 @@ An attestsation is a signed blob of json that looks like:
 import logging
 import random
 
+from signedjson.sign import sign_json
+
 from twisted.internet import defer
 
 from synapse.api.errors import SynapseError
 from synapse.types import get_domain_from_id
 from synapse.util.logcontext import run_in_background
 
-from signedjson.sign import sign_json
-
-
 logger = logging.getLogger(__name__)
 
 

synapse/groups/groups_server.py

@@ -16,11 +16,12 @@
 
 import logging
 
-from synapse.api.errors import SynapseError
+from six import string_types
-from synapse.types import GroupID, RoomID, UserID, get_domain_from_id
+
 from twisted.internet import defer
 
-from six import string_types
+from synapse.api.errors import SynapseError
+from synapse.types import GroupID, RoomID, UserID, get_domain_from_id
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/__init__.py

@@ -13,13 +13,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from .admin import AdminHandler
+from .directory import DirectoryHandler
+from .federation import FederationHandler
+from .identity import IdentityHandler
+from .message import MessageHandler
 from .register import RegistrationHandler
 from .room import RoomContextHandler
-from .message import MessageHandler
-from .federation import FederationHandler
-from .directory import DirectoryHandler
-from .admin import AdminHandler
-from .identity import IdentityHandler
 from .search import SearchHandler
 
 

synapse/handlers/_base.py

@@ -18,11 +18,10 @@ import logging
 from twisted.internet import defer
 
 import synapse.types
-from synapse.api.constants import Membership, EventTypes
+from synapse.api.constants import EventTypes, Membership
 from synapse.api.errors import LimitExceededError
 from synapse.types import UserID
 
-
 logger = logging.getLogger(__name__)
 
 

synapse/handlers/admin.py

@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import logging
+
 from twisted.internet import defer
 
 from ._base import BaseHandler
 
-import logging
-
 logger = logging.getLogger(__name__)
 
 

synapse/handlers/appservice.py

@@ -13,19 +13,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
+import logging
 
 from six import itervalues
 
-import synapse
-from synapse.api.constants import EventTypes
-from synapse.util.metrics import Measure
-from synapse.util.logcontext import (
-    make_deferred_yieldable, run_in_background,
-)
 from prometheus_client import Counter
 
-import logging
+from twisted.internet import defer
+
+import synapse
+from synapse.api.constants import EventTypes
+from synapse.util.logcontext import make_deferred_yieldable, run_in_background
+from synapse.util.metrics import Measure
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/auth.py

@@ -14,14 +14,24 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer, threads
+import logging
 
+import attr
+import bcrypt
+import pymacaroons
 from canonicaljson import json
 
-from ._base import BaseHandler
+from twisted.internet import defer, threads
+from twisted.web.client import PartialDownloadError
+
+import synapse.util.stringutils as stringutils
 from synapse.api.constants import LoginType
 from synapse.api.errors import (
-    AuthError, Codes, InteractiveAuthIncompleteError, LoginError, StoreError,
+    AuthError,
+    Codes,
+    InteractiveAuthIncompleteError,
+    LoginError,
+    StoreError,
     SynapseError,
 )
 from synapse.module_api import ModuleApi
@@ -29,15 +39,7 @@ from synapse.types import UserID
 from synapse.util.caches.expiringcache import ExpiringCache
 from synapse.util.logcontext import make_deferred_yieldable
 
-from twisted.web.client import PartialDownloadError
+from ._base import BaseHandler
-
-import logging
-import bcrypt
-import pymacaroons
-import attr
-
-import synapse.util.stringutils as stringutils
-
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/deactivate_account.py

@@ -12,14 +12,15 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+import logging
+
 from twisted.internet import defer
 
-from ._base import BaseHandler
+from synapse.api.errors import SynapseError
 from synapse.types import UserID, create_requester
 from synapse.util.logcontext import run_in_background
-from synapse.api.errors import SynapseError
 
-import logging
+from ._base import BaseHandler
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/device.py

@@ -12,22 +12,24 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+import logging
+
+from six import iteritems, itervalues
+
+from twisted.internet import defer
+
 from synapse.api import errors
 from synapse.api.constants import EventTypes
 from synapse.api.errors import FederationDeniedError
+from synapse.types import RoomStreamToken, get_domain_from_id
 from synapse.util import stringutils
 from synapse.util.async import Linearizer
 from synapse.util.caches.expiringcache import ExpiringCache
-from synapse.util.retryutils import NotRetryingDestination
 from synapse.util.metrics import measure_func
-from synapse.types import get_domain_from_id, RoomStreamToken
+from synapse.util.retryutils import NotRetryingDestination
-from twisted.internet import defer
+
 from ._base import BaseHandler
 
-import logging
-
-from six import itervalues, iteritems
-
 logger = logging.getLogger(__name__)
 
 

synapse/handlers/devicemessage.py

@@ -18,10 +18,9 @@ import logging
 from twisted.internet import defer
 
 from synapse.api.errors import SynapseError
-from synapse.types import get_domain_from_id, UserID
+from synapse.types import UserID, get_domain_from_id
 from synapse.util.stringutils import random_string
 
-
 logger = logging.getLogger(__name__)
 
 

synapse/handlers/directory.py

@@ -14,16 +14,17 @@
 # limitations under the License.
 
 
-from twisted.internet import defer
-from ._base import BaseHandler
-
-from synapse.api.errors import SynapseError, Codes, CodeMessageException, AuthError
-from synapse.api.constants import EventTypes
-from synapse.types import RoomAlias, UserID, get_domain_from_id
-
 import logging
 import string
 
+from twisted.internet import defer
+
+from synapse.api.constants import EventTypes
+from synapse.api.errors import AuthError, CodeMessageException, Codes, SynapseError
+from synapse.types import RoomAlias, UserID, get_domain_from_id
+
+from ._base import BaseHandler
+
 logger = logging.getLogger(__name__)
 
 

synapse/handlers/e2e_keys.py

@@ -16,14 +16,14 @@
 
 import logging
 
-from canonicaljson import encode_canonical_json, json
-from twisted.internet import defer
 from six import iteritems
 
-from synapse.api.errors import (
+from canonicaljson import encode_canonical_json, json
-    SynapseError, CodeMessageException, FederationDeniedError,
+
-)
+from twisted.internet import defer
-from synapse.types import get_domain_from_id, UserID
+
+from synapse.api.errors import CodeMessageException, FederationDeniedError, SynapseError
+from synapse.types import UserID, get_domain_from_id
 from synapse.util.logcontext import make_deferred_yieldable, run_in_background
 from synapse.util.retryutils import NotRetryingDestination
 

synapse/handlers/events.py

@@ -13,19 +13,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
-
-from synapse.util.logutils import log_function
-from synapse.types import UserID
-from synapse.events.utils import serialize_event
-from synapse.api.constants import Membership, EventTypes
-from synapse.events import EventBase
-
-from ._base import BaseHandler
-
 import logging
 import random
 
+from twisted.internet import defer
+
+from synapse.api.constants import EventTypes, Membership
+from synapse.events import EventBase
+from synapse.events.utils import serialize_event
+from synapse.types import UserID
+from synapse.util.logutils import log_function
+
+from ._base import BaseHandler
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/federation.py

@@ -20,38 +20,42 @@ import itertools
 import logging
 import sys
 
+import six
+from six import iteritems
+from six.moves import http_client
+
 from signedjson.key import decode_verify_key_bytes
 from signedjson.sign import verify_signed_json
-import six
-from six.moves import http_client
-from six import iteritems
-from twisted.internet import defer
 from unpaddedbase64 import decode_base64
 
-from ._base import BaseHandler
+from twisted.internet import defer
 
-from synapse.api.errors import (
-    AuthError, FederationError, StoreError, CodeMessageException, SynapseError,
-    FederationDeniedError,
-)
 from synapse.api.constants import EventTypes, Membership, RejectedReason
-from synapse.events.validator import EventValidator
+from synapse.api.errors import (
-from synapse.util import unwrapFirstError, logcontext
+    AuthError,
-from synapse.util.metrics import measure_func
+    CodeMessageException,
-from synapse.util.logutils import log_function
+    FederationDeniedError,
-from synapse.util.async import Linearizer
+    FederationError,
-from synapse.util.frozenutils import unfreeze
+    StoreError,
-from synapse.crypto.event_signing import (
+    SynapseError,
-    compute_event_signature, add_hashes_and_signatures,
 )
+from synapse.crypto.event_signing import (
+    add_hashes_and_signatures,
+    compute_event_signature,
+)
+from synapse.events.utils import prune_event
+from synapse.events.validator import EventValidator
 from synapse.state import resolve_events_with_factory
 from synapse.types import UserID, get_domain_from_id
-
+from synapse.util import logcontext, unwrapFirstError
-from synapse.events.utils import prune_event
+from synapse.util.async import Linearizer
-
+from synapse.util.distributor import user_joined_room
+from synapse.util.frozenutils import unfreeze
+from synapse.util.logutils import log_function
+from synapse.util.metrics import measure_func
 from synapse.util.retryutils import NotRetryingDestination
 
-from synapse.util.distributor import user_joined_room
+from ._base import BaseHandler
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/groups_local.py

@@ -14,14 +14,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
+import logging
+
 from six import iteritems
 
+from twisted.internet import defer
+
 from synapse.api.errors import SynapseError
 from synapse.types import get_domain_from_id
 
-import logging
-
 logger = logging.getLogger(__name__)
 
 

synapse/handlers/identity.py

@@ -24,10 +24,13 @@ from canonicaljson import json
 from twisted.internet import defer
 
 from synapse.api.errors import (
-    MatrixCodeMessageException, CodeMessageException
+    CodeMessageException,
+    Codes,
+    MatrixCodeMessageException,
+    SynapseError,
 )
+
 from ._base import BaseHandler
-from synapse.api.errors import SynapseError, Codes
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/initial_sync.py

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import logging
+
 from twisted.internet import defer
 
 from synapse.api.constants import EventTypes, Membership
@@ -21,9 +23,7 @@ from synapse.events.utils import serialize_event
 from synapse.events.validator import EventValidator
 from synapse.handlers.presence import format_user_presence_state
 from synapse.streams.config import PaginationConfig
-from synapse.types import (
+from synapse.types import StreamToken, UserID
-    UserID, StreamToken,
-)
 from synapse.util import unwrapFirstError
 from synapse.util.async import concurrently_execute
 from synapse.util.caches.snapshot_cache import SnapshotCache
@@ -32,9 +32,6 @@ from synapse.visibility import filter_events_for_client
 
 from ._base import BaseHandler
 
-import logging
-
-
 logger = logging.getLogger(__name__)
 
 

synapse/handlers/message.py

@@ -16,32 +16,29 @@
 import logging
 import sys
 
-from canonicaljson import encode_canonical_json, json
 import six
-from six import string_types, itervalues, iteritems
+from six import iteritems, itervalues, string_types
+
+from canonicaljson import encode_canonical_json, json
+
 from twisted.internet import defer
 from twisted.internet.defer import succeed
 from twisted.python.failure import Failure
 
-from synapse.api.constants import EventTypes, Membership, MAX_DEPTH
+from synapse.api.constants import MAX_DEPTH, EventTypes, Membership
-from synapse.api.errors import (
+from synapse.api.errors import AuthError, Codes, ConsentNotGivenError, SynapseError
-    AuthError, Codes, SynapseError,
-    ConsentNotGivenError,
-)
 from synapse.api.urls import ConsentURIBuilder
 from synapse.crypto.event_signing import add_hashes_and_signatures
 from synapse.events.utils import serialize_event
 from synapse.events.validator import EventValidator
-from synapse.types import (
+from synapse.replication.http.send_event import send_event_to_master
-    UserID, RoomAlias, RoomStreamToken,
+from synapse.types import RoomAlias, RoomStreamToken, UserID
-)
+from synapse.util.async import Limiter, ReadWriteLock
-from synapse.util.async import ReadWriteLock, Limiter
+from synapse.util.frozenutils import frozendict_json_encoder
 from synapse.util.logcontext import run_in_background
 from synapse.util.metrics import measure_func
-from synapse.util.frozenutils import frozendict_json_encoder
 from synapse.util.stringutils import random_string
 from synapse.visibility import filter_events_for_client
-from synapse.replication.http.send_event import send_event_to_master
 
 from ._base import BaseHandler
 

synapse/handlers/presence.py

@@ -22,27 +22,26 @@ The methods that define policy are:
     - should_notify
 """
 
-from twisted.internet import defer
+import logging
 from contextlib import contextmanager
 
-from six import itervalues, iteritems
+from six import iteritems, itervalues
+
+from prometheus_client import Counter
+
+from twisted.internet import defer
 
-from synapse.api.errors import SynapseError
 from synapse.api.constants import PresenceState
+from synapse.api.errors import SynapseError
+from synapse.metrics import LaterGauge
 from synapse.storage.presence import UserPresenceState
-
+from synapse.types import UserID, get_domain_from_id
-from synapse.util.caches.descriptors import cachedInlineCallbacks
 from synapse.util.async import Linearizer
+from synapse.util.caches.descriptors import cachedInlineCallbacks
 from synapse.util.logcontext import run_in_background
 from synapse.util.logutils import log_function
 from synapse.util.metrics import Measure
 from synapse.util.wheel_timer import WheelTimer
-from synapse.types import UserID, get_domain_from_id
-from synapse.metrics import LaterGauge
-
-import logging
-
-from prometheus_client import Counter
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/profile.py

@@ -17,8 +17,9 @@ import logging
 
 from twisted.internet import defer
 
-from synapse.api.errors import SynapseError, AuthError, CodeMessageException
+from synapse.api.errors import AuthError, CodeMessageException, SynapseError
 from synapse.types import UserID, get_domain_from_id
+
 from ._base import BaseHandler
 
 logger = logging.getLogger(__name__)

synapse/handlers/read_marker.py

@@ -13,13 +13,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import BaseHandler
+import logging
 
 from twisted.internet import defer
 
 from synapse.util.async import Linearizer
 
-import logging
+from ._base import BaseHandler
+
 logger = logging.getLogger(__name__)
 
 

synapse/handlers/receipts.py

@@ -12,17 +12,15 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from synapse.util import logcontext
+import logging
-
-from ._base import BaseHandler
 
 from twisted.internet import defer
 
-from synapse.util.logcontext import PreserveLoggingContext
 from synapse.types import get_domain_from_id
+from synapse.util import logcontext
+from synapse.util.logcontext import PreserveLoggingContext
 
-import logging
+from ._base import BaseHandler
-
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/register.py

@@ -18,14 +18,19 @@ import logging
 
 from twisted.internet import defer
 
+from synapse import types
 from synapse.api.errors import (
-    AuthError, Codes, SynapseError, RegistrationError, InvalidCaptchaError
+    AuthError,
+    Codes,
+    InvalidCaptchaError,
+    RegistrationError,
+    SynapseError,
 )
 from synapse.http.client import CaptchaServerHttpClient
-from synapse import types
+from synapse.types import RoomAlias, RoomID, UserID, create_requester
-from synapse.types import UserID, create_requester, RoomID, RoomAlias
 from synapse.util.async import Linearizer
 from synapse.util.threepids import check_3pid_allowed
+
 from ._base import BaseHandler
 
 logger = logging.getLogger(__name__)

synapse/handlers/room.py

@@ -15,23 +15,20 @@
 # limitations under the License.
 
 """Contains functions for performing events on rooms."""
-from twisted.internet import defer
-
-from ._base import BaseHandler
-
-from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken
-from synapse.api.constants import (
-    EventTypes, JoinRules, RoomCreationPreset
-)
-from synapse.api.errors import AuthError, Codes, StoreError, SynapseError
-from synapse.util import stringutils
-from synapse.visibility import filter_events_for_client
-
-from collections import OrderedDict
-
 import logging
 import math
 import string
+from collections import OrderedDict
+
+from twisted.internet import defer
+
+from synapse.api.constants import EventTypes, JoinRules, RoomCreationPreset
+from synapse.api.errors import AuthError, Codes, StoreError, SynapseError
+from synapse.types import RoomAlias, RoomID, RoomStreamToken, UserID
+from synapse.util import stringutils
+from synapse.visibility import filter_events_for_client
+
+from ._base import BaseHandler
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/room_list.py

@@ -13,26 +13,24 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
+import logging
+from collections import namedtuple
 
 from six import iteritems
 from six.moves import range
 
-from ._base import BaseHandler
+import msgpack
+from unpaddedbase64 import decode_base64, encode_base64
 
-from synapse.api.constants import (
+from twisted.internet import defer
-    EventTypes, JoinRules,
+
-)
+from synapse.api.constants import EventTypes, JoinRules
+from synapse.types import ThirdPartyInstanceID
 from synapse.util.async import concurrently_execute
 from synapse.util.caches.descriptors import cachedInlineCallbacks
 from synapse.util.caches.response_cache import ResponseCache
-from synapse.types import ThirdPartyInstanceID
 
-from collections import namedtuple
+from ._base import BaseHandler
-from unpaddedbase64 import encode_base64, decode_base64
-
-import logging
-import msgpack
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/room_member.py

@@ -21,19 +21,17 @@ from six.moves import http_client
 
 from signedjson.key import decode_verify_key_bytes
 from signedjson.sign import verify_signed_json
-from twisted.internet import defer
 from unpaddedbase64 import decode_base64
 
+from twisted.internet import defer
+
 import synapse.server
 import synapse.types
-from synapse.api.constants import (
+from synapse.api.constants import EventTypes, Membership
-    EventTypes, Membership,
+from synapse.api.errors import AuthError, Codes, SynapseError
-)
+from synapse.types import RoomID, UserID
-from synapse.api.errors import AuthError, SynapseError, Codes
-from synapse.types import UserID, RoomID
 from synapse.util.async import Linearizer
-from synapse.util.distributor import user_left_room, user_joined_room
+from synapse.util.distributor import user_joined_room, user_left_room
-
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/room_member_worker.py

@@ -20,11 +20,12 @@ from twisted.internet import defer
 from synapse.api.errors import SynapseError
 from synapse.handlers.room_member import RoomMemberHandler
 from synapse.replication.http.membership import (
-    remote_join, remote_reject_invite, get_or_register_3pid_guest,
+    get_or_register_3pid_guest,
     notify_user_membership_change,
+    remote_join,
+    remote_reject_invite,
 )
 
-
 logger = logging.getLogger(__name__)
 
 

synapse/handlers/search.py

@@ -13,21 +13,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
-
-from ._base import BaseHandler
-
-from synapse.api.constants import Membership, EventTypes
-from synapse.api.filtering import Filter
-from synapse.api.errors import SynapseError
-from synapse.events.utils import serialize_event
-from synapse.visibility import filter_events_for_client
-
-from unpaddedbase64 import decode_base64, encode_base64
-
 import itertools
 import logging
 
+from unpaddedbase64 import decode_base64, encode_base64
+
+from twisted.internet import defer
+
+from synapse.api.constants import EventTypes, Membership
+from synapse.api.errors import SynapseError
+from synapse.api.filtering import Filter
+from synapse.events.utils import serialize_event
+from synapse.visibility import filter_events_for_client
+
+from ._base import BaseHandler
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/set_password.py

@@ -17,6 +17,7 @@ import logging
 from twisted.internet import defer
 
 from synapse.api.errors import Codes, StoreError, SynapseError
+
 from ._base import BaseHandler
 
 logger = logging.getLogger(__name__)

synapse/handlers/sync.py

@@ -13,22 +13,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.api.constants import Membership, EventTypes
+import collections
-from synapse.util.async import concurrently_execute
+import itertools
-from synapse.util.logcontext import LoggingContext
+import logging
-from synapse.util.metrics import Measure, measure_func
+
-from synapse.util.caches.response_cache import ResponseCache
+from six import iteritems, itervalues
-from synapse.push.clientformat import format_push_rules_for_user
-from synapse.visibility import filter_events_for_client
-from synapse.types import RoomStreamToken
 
 from twisted.internet import defer
 
-import collections
+from synapse.api.constants import EventTypes, Membership
-import logging
+from synapse.push.clientformat import format_push_rules_for_user
-import itertools
+from synapse.types import RoomStreamToken
-
+from synapse.util.async import concurrently_execute
-from six import itervalues, iteritems
+from synapse.util.caches.response_cache import ResponseCache
+from synapse.util.logcontext import LoggingContext
+from synapse.util.metrics import Measure, measure_func
+from synapse.visibility import filter_events_for_client
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/typing.py

@@ -13,17 +13,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import logging
+from collections import namedtuple
+
 from twisted.internet import defer
 
-from synapse.api.errors import SynapseError, AuthError
+from synapse.api.errors import AuthError, SynapseError
+from synapse.types import UserID, get_domain_from_id
 from synapse.util.logcontext import run_in_background
 from synapse.util.metrics import Measure
 from synapse.util.wheel_timer import WheelTimer
-from synapse.types import UserID, get_domain_from_id
-
-import logging
-
-from collections import namedtuple
 
 logger = logging.getLogger(__name__)
 

synapse/handlers/user_directory.py

@@ -14,14 +14,15 @@
 # limitations under the License.
 
 import logging
+
+from six import iteritems
+
 from twisted.internet import defer
 
 from synapse.api.constants import EventTypes, JoinRules, Membership
 from synapse.storage.roommember import ProfileInfo
-from synapse.util.metrics import Measure
 from synapse.types import get_localpart_from_id
-
+from synapse.util.metrics import Measure
-from six import iteritems
 
 logger = logging.getLogger(__name__)
 

synapse/http/additional_resource.py

@@ -13,10 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.http.server import wrap_json_request_handler
 from twisted.web.resource import Resource
 from twisted.web.server import NOT_DONE_YET
 
+from synapse.http.server import wrap_json_request_handler
+
 
 class AdditionalResource(Resource):
     """Resource wrapper for additional_resources

synapse/http/client.py

@@ -13,39 +13,41 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from OpenSSL import SSL
-from OpenSSL.SSL import VERIFY_NONE
-
-from synapse.api.errors import (
-    CodeMessageException, MatrixCodeMessageException, SynapseError, Codes,
-)
-from synapse.http import cancelled_to_request_timed_out_error, redact_uri
-from synapse.util.async import add_timeout_to_deferred
-from synapse.util.caches import CACHE_SIZE_FACTOR
-from synapse.util.logcontext import make_deferred_yieldable
-from synapse.http.endpoint import SpiderEndpoint
-
-from canonicaljson import encode_canonical_json
-
-from twisted.internet import defer, reactor, ssl, protocol, task
-from twisted.internet.endpoints import HostnameEndpoint, wrapClientTLS
-from twisted.web.client import (
-    BrowserLikeRedirectAgent, ContentDecoderAgent, GzipDecoder, Agent,
-    readBody, PartialDownloadError,
-    HTTPConnectionPool,
-)
-from twisted.web.client import FileBodyProducer as TwistedFileBodyProducer
-from twisted.web.http import PotentialDataLoss
-from twisted.web.http_headers import Headers
-from twisted.web._newclient import ResponseDone
-
-from six import StringIO
-
-from prometheus_client import Counter
-from canonicaljson import json
 import logging
 import urllib
 
+from six import StringIO
+
+from canonicaljson import encode_canonical_json, json
+from prometheus_client import Counter
+
+from OpenSSL import SSL
+from OpenSSL.SSL import VERIFY_NONE
+from twisted.internet import defer, protocol, reactor, ssl, task
+from twisted.internet.endpoints import HostnameEndpoint, wrapClientTLS
+from twisted.web._newclient import ResponseDone
+from twisted.web.client import Agent, BrowserLikeRedirectAgent, ContentDecoderAgent
+from twisted.web.client import FileBodyProducer as TwistedFileBodyProducer
+from twisted.web.client import (
+    GzipDecoder,
+    HTTPConnectionPool,
+    PartialDownloadError,
+    readBody,
+)
+from twisted.web.http import PotentialDataLoss
+from twisted.web.http_headers import Headers
+
+from synapse.api.errors import (
+    CodeMessageException,
+    Codes,
+    MatrixCodeMessageException,
+    SynapseError,
+)
+from synapse.http import cancelled_to_request_timed_out_error, redact_uri
+from synapse.http.endpoint import SpiderEndpoint
+from synapse.util.async import add_timeout_to_deferred
+from synapse.util.caches import CACHE_SIZE_FACTOR
+from synapse.util.logcontext import make_deferred_yieldable
 
 logger = logging.getLogger(__name__)
 

synapse/http/endpoint.py

@@ -12,19 +12,17 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import re
-
-from twisted.internet.endpoints import HostnameEndpoint, wrapClientTLS
-from twisted.internet import defer
-from twisted.internet.error import ConnectError
-from twisted.names import client, dns
-from twisted.names.error import DNSNameError, DomainError
-
 import collections
 import logging
 import random
+import re
 import time
 
+from twisted.internet import defer
+from twisted.internet.endpoints import HostnameEndpoint, wrapClientTLS
+from twisted.internet.error import ConnectError
+from twisted.names import client, dns
+from twisted.names.error import DNSNameError, DomainError
 
 logger = logging.getLogger(__name__)
 

synapse/http/matrixfederationclient.py

@@ -13,38 +13,38 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from twisted.internet import defer, reactor, protocol
-from twisted.internet.error import DNSLookupError
-from twisted.web.client import readBody, HTTPConnectionPool, Agent
-from twisted.web.http_headers import Headers
-from twisted.web._newclient import ResponseDone
-
-from synapse.http import cancelled_to_request_timed_out_error
-from synapse.http.endpoint import matrix_federation_endpoint
-import synapse.metrics
-from synapse.util.async import add_timeout_to_deferred
-from synapse.util import logcontext
-from synapse.util.logcontext import make_deferred_yieldable
-import synapse.util.retryutils
-
-from canonicaljson import encode_canonical_json, json
-
-from synapse.api.errors import (
-    SynapseError, Codes, HttpResponseException, FederationDeniedError,
-)
-
-from signedjson.sign import sign_json
-
 import cgi
 import logging
 import random
 import sys
 import urllib
-from six.moves.urllib import parse as urlparse
+
 from six import string_types
+from six.moves.urllib import parse as urlparse
 
-
+from canonicaljson import encode_canonical_json, json
 from prometheus_client import Counter
+from signedjson.sign import sign_json
+
+from twisted.internet import defer, protocol, reactor
+from twisted.internet.error import DNSLookupError
+from twisted.web._newclient import ResponseDone
+from twisted.web.client import Agent, HTTPConnectionPool, readBody
+from twisted.web.http_headers import Headers
+
+import synapse.metrics
+import synapse.util.retryutils
+from synapse.api.errors import (
+    Codes,
+    FederationDeniedError,
+    HttpResponseException,
+    SynapseError,
+)
+from synapse.http import cancelled_to_request_timed_out_error
+from synapse.http.endpoint import matrix_federation_endpoint
+from synapse.util import logcontext
+from synapse.util.async import add_timeout_to_deferred
+from synapse.util.logcontext import make_deferred_yieldable
 
 logger = logging.getLogger(__name__)
 outbound_logger = logging.getLogger("synapse.http.outbound")

synapse/http/request_metrics.py

@@ -17,8 +17,8 @@
 import logging
 
 from prometheus_client.core import Counter, Histogram
-from synapse.metrics import LaterGauge
 
+from synapse.metrics import LaterGauge
 from synapse.util.logcontext import LoggingContext
 
 logger = logging.getLogger(__name__)

synapse/http/server.py

@@ -14,34 +14,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import cgi
-from six.moves import http_client
-
-from synapse.api.errors import (
-    cs_exception, SynapseError, CodeMessageException, UnrecognizedRequestError, Codes
-)
-from synapse.http.request_metrics import (
-    requests_counter,
-)
-from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
-from synapse.util.caches import intern_dict
-from synapse.util.metrics import Measure
-import synapse.metrics
-import synapse.events
-
-from canonicaljson import (
-    encode_canonical_json, encode_pretty_printed_json, json
-)
-
-from twisted.internet import defer
-from twisted.python import failure
-from twisted.web import server, resource
-from twisted.web.server import NOT_DONE_YET
-from twisted.web.util import redirectTo
-
 import collections
 import logging
 import urllib
 
+from six.moves import http_client
+
+from canonicaljson import encode_canonical_json, encode_pretty_printed_json, json
+
+from twisted.internet import defer
+from twisted.python import failure
+from twisted.web import resource, server
+from twisted.web.server import NOT_DONE_YET
+from twisted.web.util import redirectTo
+
+import synapse.events
+import synapse.metrics
+from synapse.api.errors import (
+    CodeMessageException,
+    Codes,
+    SynapseError,
+    UnrecognizedRequestError,
+    cs_exception,
+)
+from synapse.http.request_metrics import requests_counter
+from synapse.util.caches import intern_dict
+from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
+from synapse.util.metrics import Measure
+
 logger = logging.getLogger(__name__)
 
 HTML_ERROR_TEMPLATE = """<!DOCTYPE html>

synapse/http/servlet.py

@@ -15,12 +15,11 @@
 
 """ This module contains base REST classes for constructing REST servlets. """
 
-from synapse.api.errors import SynapseError, Codes
-
 import logging
 
 from canonicaljson import json
 
+from synapse.api.errors import Codes, SynapseError
 
 logger = logging.getLogger(__name__)
 

synapse/http/site.py

@@ -16,7 +16,7 @@ import contextlib
 import logging
 import time
 
-from twisted.web.server import Site, Request
+from twisted.web.server import Request, Site
 
 from synapse.http import redact_uri
 from synapse.http.request_metrics import RequestMetrics

synapse/metrics/__init__.py

@@ -13,20 +13,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
 import functools
-import time
 import gc
+import logging
 import os
 import platform
-import attr
+import time
 
-from prometheus_client import Gauge, Histogram, Counter
+import attr
-from prometheus_client.core import GaugeMetricFamily, REGISTRY
+from prometheus_client import Counter, Gauge, Histogram
+from prometheus_client.core import REGISTRY, GaugeMetricFamily
 
 from twisted.internet import reactor
 
-
 logger = logging.getLogger(__name__)
 
 running_on_pypy = platform.python_implementation() == "PyPy"

synapse/notifier.py

@@ -13,28 +13,27 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import logging
+from collections import namedtuple
+
+from prometheus_client import Counter
+
 from twisted.internet import defer
 
 from synapse.api.constants import EventTypes, Membership
 from synapse.api.errors import AuthError
 from synapse.handlers.presence import format_user_presence_state
-
+from synapse.metrics import LaterGauge
-from synapse.util.logutils import log_function
+from synapse.types import StreamToken
 from synapse.util.async import (
-    ObservableDeferred, add_timeout_to_deferred,
     DeferredTimeoutError,
+    ObservableDeferred,
+    add_timeout_to_deferred,
 )
 from synapse.util.logcontext import PreserveLoggingContext, run_in_background
+from synapse.util.logutils import log_function
 from synapse.util.metrics import Measure
-from synapse.types import StreamToken
 from synapse.visibility import filter_events_for_client
-from synapse.metrics import LaterGauge
-
-from collections import namedtuple
-from prometheus_client import Counter
-
-import logging
-
 
 logger = logging.getLogger(__name__)
 

synapse/push/action_generator.py

@@ -13,13 +13,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
+import logging
 
-from .bulk_push_rule_evaluator import BulkPushRuleEvaluator
+from twisted.internet import defer
 
 from synapse.util.metrics import Measure
 
-import logging
+from .bulk_push_rule_evaluator import BulkPushRuleEvaluator
 
 logger = logging.getLogger(__name__)
 

synapse/push/baserules.py

@@ -13,9 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.push.rulekinds import PRIORITY_CLASS_MAP, PRIORITY_CLASS_INVERSE_MAP
 import copy
 
+from synapse.push.rulekinds import PRIORITY_CLASS_INVERSE_MAP, PRIORITY_CLASS_MAP
+
 
 def list_with_base_rules(rawrules):
     """Combine the list of rules set by the user with the default push rules

synapse/push/bulk_push_rule_evaluator.py

@@ -15,21 +15,22 @@
 # limitations under the License.
 
 import logging
+from collections import namedtuple
+
+from six import iteritems, itervalues
+
+from prometheus_client import Counter
 
 from twisted.internet import defer
 
-from .push_rule_evaluator import PushRuleEvaluatorForEvent
-
-from synapse.event_auth import get_user_power_level
 from synapse.api.constants import EventTypes, Membership
+from synapse.event_auth import get_user_power_level
+from synapse.state import POWER_KEY
+from synapse.util.async import Linearizer
 from synapse.util.caches import register_cache
 from synapse.util.caches.descriptors import cached
-from synapse.util.async import Linearizer
-from synapse.state import POWER_KEY
 
-from collections import namedtuple
+from .push_rule_evaluator import PushRuleEvaluatorForEvent
-from prometheus_client import Counter
-from six import itervalues, iteritems
 
 logger = logging.getLogger(__name__)
 

synapse/push/clientformat.py

@@ -13,12 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.push.rulekinds import (
-    PRIORITY_CLASS_MAP, PRIORITY_CLASS_INVERSE_MAP
-)
-
 import copy
 
+from synapse.push.rulekinds import PRIORITY_CLASS_INVERSE_MAP, PRIORITY_CLASS_MAP
+
 
 def format_push_rules_for_user(user, ruleslist):
     """Converts a list of rawrules and a enabled map into nested dictionaries

synapse/push/emailpusher.py

@@ -13,14 +13,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import logging
+
 from twisted.internet import defer
 from twisted.internet.error import AlreadyCalled, AlreadyCancelled
 
-import logging
-
-from synapse.util.metrics import Measure
 from synapse.util.logcontext import LoggingContext
-
+from synapse.util.metrics import Measure
 
 logger = logging.getLogger(__name__)