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Add type hints for event streams. (#10856)

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Patrick Cloke 2021-09-21 13:34:26 -04:00 committed by GitHub
parent b25a494779
commit 4054dfa409
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18 changed files with 169 additions and 60 deletions
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1
changelog.d/10856.misc Normal file
View file

@ -0,0 +1 @@
Add missing type hints to handlers.

13
synapse/handlers/account_data.py
View file

@ -13,7 +13,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import random
from typing import TYPE_CHECKING, Any, List, Tuple
from typing import TYPE_CHECKING, Collection, List, Optional, Tuple
from synapse.replication.http.account_data import (
ReplicationAddTagRestServlet,
@ -21,6 +21,7 @@ from synapse.replication.http.account_data import (
ReplicationRoomAccountDataRestServlet,
ReplicationUserAccountDataRestServlet,
)
from synapse.streams import EventSource
from synapse.types import JsonDict, UserID
if TYPE_CHECKING:
@ -163,7 +164,7 @@ class AccountDataHandler:
return response["max_stream_id"]
class AccountDataEventSource:
class AccountDataEventSource(EventSource[int, JsonDict]):
def __init__(self, hs: "HomeServer"):
self.store = hs.get_datastore()
@ -171,7 +172,13 @@ class AccountDataEventSource:
return self.store.get_max_account_data_stream_id()
async def get_new_events(
self, user: UserID, from_key: int, **kwargs: Any
self,
user: UserID,
from_key: int,
limit: Optional[int],
room_ids: Collection[str],
is_guest: bool,
explicit_room_id: Optional[str] = None,
) -> Tuple[List[JsonDict], int]:
user_id = user.to_string()
last_stream_id = from_key

6
synapse/handlers/appservice.py
View file

@ -254,7 +254,7 @@ class ApplicationServicesHandler:
async def _handle_typing(
self, service: ApplicationService, new_token: int
) -> List[JsonDict]:
typing_source = self.event_sources.sources["typing"]
typing_source = self.event_sources.sources.typing
# Get the typing events from just before current
typing, _ = await typing_source.get_new_events_as(
service=service,
@ -269,7 +269,7 @@ class ApplicationServicesHandler:
from_key = await self.store.get_type_stream_id_for_appservice(
service, "read_receipt"
)
receipts_source = self.event_sources.sources["receipt"]
receipts_source = self.event_sources.sources.receipt
receipts, _ = await receipts_source.get_new_events_as(
service=service, from_key=from_key
)
@ -279,7 +279,7 @@ class ApplicationServicesHandler:
self, service: ApplicationService, users: Collection[Union[str, UserID]]
) -> List[JsonDict]:
events: List[JsonDict] = []
presence_source = self.event_sources.sources["presence"]
presence_source = self.event_sources.sources.presence
from_key = await self.store.get_type_stream_id_for_appservice(
service, "presence"
)

2
synapse/handlers/initial_sync.py
View file

@ -125,7 +125,7 @@ class InitialSyncHandler(BaseHandler):
now_token = self.hs.get_event_sources().get_current_token()
presence_stream = self.hs.get_event_sources().sources["presence"]
presence_stream = self.hs.get_event_sources().sources.presence
presence, _ = await presence_stream.get_new_events(
user, from_key=None, include_offline=False
)

8
synapse/handlers/presence.py
View file

@ -65,6 +65,7 @@ from synapse.replication.http.streams import ReplicationGetStreamUpdates
from synapse.replication.tcp.commands import ClearUserSyncsCommand
from synapse.replication.tcp.streams import PresenceFederationStream, PresenceStream
from synapse.storage.databases.main import DataStore
from synapse.streams import EventSource
from synapse.types import JsonDict, UserID, get_domain_from_id
from synapse.util.async_helpers import Linearizer
from synapse.util.caches.descriptors import _CacheContext, cached
@ -1500,7 +1501,7 @@ def format_user_presence_state(
return content
class PresenceEventSource:
class PresenceEventSource(EventSource[int, UserPresenceState]):
def __init__(self, hs: "HomeServer"):
# We can't call get_presence_handler here because there's a cycle:
#
@ -1519,10 +1520,11 @@ class PresenceEventSource:
self,
user: UserID,
from_key: Optional[int],
limit: Optional[int] = None,
room_ids: Optional[List[str]] = None,
include_offline: bool = True,
is_guest: bool = False,
explicit_room_id: Optional[str] = None,
**kwargs: Any,
include_offline: bool = True,
) -> Tuple[List[UserPresenceState], int]:
# The process for getting presence events are:
# 1. Get the rooms the user is in.

13
synapse/handlers/receipts.py
View file

@ -12,11 +12,12 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from typing import TYPE_CHECKING, Any, List, Optional, Tuple
from typing import TYPE_CHECKING, Iterable, List, Optional, Tuple
from synapse.api.constants import ReadReceiptEventFields
from synapse.appservice import ApplicationService
from synapse.handlers._base import BaseHandler
from synapse.streams import EventSource
from synapse.types import JsonDict, ReadReceipt, UserID, get_domain_from_id
if TYPE_CHECKING:
@ -162,7 +163,7 @@ class ReceiptsHandler(BaseHandler):
await self.federation_sender.send_read_receipt(receipt)
class ReceiptEventSource:
class ReceiptEventSource(EventSource[int, JsonDict]):
def __init__(self, hs: "HomeServer"):
self.store = hs.get_datastore()
self.config = hs.config
@ -216,7 +217,13 @@ class ReceiptEventSource:
return visible_events
async def get_new_events(
self, from_key: int, room_ids: List[str], user: UserID, **kwargs: Any
self,
user: UserID,
from_key: int,
limit: Optional[int],
room_ids: Iterable[str],
is_guest: bool,
explicit_room_id: Optional[str] = None,
) -> Tuple[List[JsonDict], int]:
from_key = int(from_key)
to_key = self.get_current_key()

18
synapse/handlers/room.py
View file

@ -20,7 +20,16 @@ import math
import random
import string
from collections import OrderedDict
from typing import TYPE_CHECKING, Any, Awaitable, Dict, List, Optional, Tuple
from typing import (
TYPE_CHECKING,
Any,
Awaitable,
Collection,
Dict,
List,
Optional,
Tuple,
)
from synapse.api.constants import (
EventContentFields,
@ -47,6 +56,7 @@ from synapse.events import EventBase
from synapse.events.utils import copy_power_levels_contents
from synapse.rest.admin._base import assert_user_is_admin
from synapse.storage.state import StateFilter
from synapse.streams import EventSource
from synapse.types import (
JsonDict,
MutableStateMap,
@ -1173,7 +1183,7 @@ class RoomContextHandler:
return results
class RoomEventSource:
class RoomEventSource(EventSource[RoomStreamToken, EventBase]):
def __init__(self, hs: "HomeServer"):
self.store = hs.get_datastore()
@ -1181,8 +1191,8 @@ class RoomEventSource:
self,
user: UserID,
from_key: RoomStreamToken,
limit: int,
room_ids: List[str],
limit: Optional[int],
room_ids: Collection[str],
is_guest: bool,
explicit_room_id: Optional[str] = None,
) -> Tuple[List[EventBase], RoomStreamToken]:

6
synapse/handlers/sync.py
View file

@ -443,7 +443,7 @@ class SyncHandler:
room_ids = sync_result_builder.joined_room_ids
typing_source = self.event_sources.sources["typing"]
typing_source = self.event_sources.sources.typing
typing, typing_key = await typing_source.get_new_events(
user=sync_config.user,
from_key=typing_key,
@ -465,7 +465,7 @@ class SyncHandler:
receipt_key = since_token.receipt_key if since_token else 0
receipt_source = self.event_sources.sources["receipt"]
receipt_source = self.event_sources.sources.receipt
receipts, receipt_key = await receipt_source.get_new_events(
user=sync_config.user,
from_key=receipt_key,
@ -1415,7 +1415,7 @@ class SyncHandler:
sync_config = sync_result_builder.sync_config
user = sync_result_builder.sync_config.user
presence_source = self.event_sources.sources["presence"]
presence_source = self.event_sources.sources.presence
since_token = sync_result_builder.since_token
presence_key = None

13
synapse/handlers/typing.py
View file

@ -14,7 +14,7 @@
import logging
import random
from collections import namedtuple
from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, Set, Tuple
from typing import TYPE_CHECKING, Dict, Iterable, List, Optional, Set, Tuple
from synapse.api.errors import AuthError, ShadowBanError, SynapseError
from synapse.appservice import ApplicationService
@ -23,6 +23,7 @@ from synapse.metrics.background_process_metrics import (
wrap_as_background_process,
)
from synapse.replication.tcp.streams import TypingStream
from synapse.streams import EventSource
from synapse.types import JsonDict, Requester, UserID, get_domain_from_id
from synapse.util.caches.stream_change_cache import StreamChangeCache
from synapse.util.metrics import Measure
@ -439,7 +440,7 @@ class TypingWriterHandler(FollowerTypingHandler):
raise Exception("Typing writer instance got typing info over replication")
class TypingNotificationEventSource:
class TypingNotificationEventSource(EventSource[int, JsonDict]):
def __init__(self, hs: "HomeServer"):
self.hs = hs
self.clock = hs.get_clock()
@ -485,7 +486,13 @@ class TypingNotificationEventSource:
return (events, handler._latest_room_serial)
async def get_new_events(
self, from_key: int, room_ids: Iterable[str], **kwargs: Any
self,
user: UserID,
from_key: int,
limit: Optional[int],
room_ids: Iterable[str],
is_guest: bool,
explicit_room_id: Optional[str] = None,
) -> Tuple[List[JsonDict], int]:
with Measure(self.clock, "typing.get_new_events"):
from_key = int(from_key)

2
synapse/module_api/__init__.py
View file

@ -91,7 +91,7 @@ class ModuleApi:
self._auth = hs.get_auth()
self._auth_handler = auth_handler
self._server_name = hs.hostname
self._presence_stream = hs.get_event_sources().sources["presence"]
self._presence_stream = hs.get_event_sources().sources.presence
self._state = hs.get_state_handler()
self._clock: Clock = hs.get_clock()
self._send_email_handler = hs.get_send_email_handler()

2
synapse/notifier.py
View file

@ -584,7 +584,7 @@ class Notifier:
events: List[EventBase] = []
end_token = from_token
for name, source in self.event_sources.sources.items():
for name, source in self.event_sources.sources.get_sources():
keyname = "%s_key" % name
before_id = getattr(before_token, keyname)
after_id = getattr(after_token, keyname)

6
synapse/storage/databases/main/receipts.py
View file

@ -14,7 +14,7 @@
# limitations under the License.
import logging
from typing import Any, Dict, List, Optional, Tuple
from typing import Any, Dict, Iterable, List, Optional, Tuple
from twisted.internet import defer
@ -153,12 +153,12 @@ class ReceiptsWorkerStore(SQLBaseStore):
}
async def get_linearized_receipts_for_rooms(
self, room_ids: List[str], to_key: int, from_key: Optional[int] = None
self, room_ids: Iterable[str], to_key: int, from_key: Optional[int] = None
) -> List[dict]:
"""Get receipts for multiple rooms for sending to clients.
Args:
room_id: List of room_ids.
room_id: The room IDs to fetch receipts of.
to_key: Max stream id to fetch receipts up to.
from_key: Min stream id to fetch receipts from. None fetches
from the start.

22
synapse/streams/__init__.py
View file

@ -11,3 +11,25 @@
# 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 typing import Collection, Generic, List, Optional, Tuple, TypeVar
from synapse.types import UserID
# The key, this is either a stream token or int.
K = TypeVar("K")
# The return type.
R = TypeVar("R")
class EventSource(Generic[K, R]):
async def get_new_events(
self,
user: UserID,
from_key: K,
limit: Optional[int],
room_ids: Collection[str],
is_guest: bool,
explicit_room_id: Optional[str] = None,
) -> Tuple[List[R], K]:
...

49
synapse/streams/events.py
View file

@ -12,29 +12,40 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Any, Dict
from typing import TYPE_CHECKING, Iterator, Tuple
import attr
from synapse.handlers.account_data import AccountDataEventSource
from synapse.handlers.presence import PresenceEventSource
from synapse.handlers.receipts import ReceiptEventSource
from synapse.handlers.room import RoomEventSource
from synapse.handlers.typing import TypingNotificationEventSource
from synapse.streams import EventSource
from synapse.types import StreamToken
if TYPE_CHECKING:
from synapse.server import HomeServer
@attr.s(frozen=True, slots=True, auto_attribs=True)
class _EventSourcesInner:
room: RoomEventSource
presence: PresenceEventSource
typing: TypingNotificationEventSource
receipt: ReceiptEventSource
account_data: AccountDataEventSource
def get_sources(self) -> Iterator[Tuple[str, EventSource]]:
for attribute in _EventSourcesInner.__attrs_attrs__: # type: ignore[attr-defined]
yield attribute.name, getattr(self, attribute.name)
class EventSources:
SOURCE_TYPES = {
"room": RoomEventSource,
"presence": PresenceEventSource,
"typing": TypingNotificationEventSource,
"receipt": ReceiptEventSource,
"account_data": AccountDataEventSource,
}
def __init__(self, hs):
self.sources: Dict[str, Any] = {
name: cls(hs) for name, cls in EventSources.SOURCE_TYPES.items()
}
def __init__(self, hs: "HomeServer"):
self.sources = _EventSourcesInner(
*(attribute.type(hs) for attribute in _EventSourcesInner.__attrs_attrs__) # type: ignore[attr-defined]
)
self.store = hs.get_datastore()
def get_current_token(self) -> StreamToken:
@ -44,11 +55,11 @@ class EventSources:
groups_key = self.store.get_group_stream_token()
token = StreamToken(
room_key=self.sources["room"].get_current_key(),
presence_key=self.sources["presence"].get_current_key(),
typing_key=self.sources["typing"].get_current_key(),
receipt_key=self.sources["receipt"].get_current_key(),
account_data_key=self.sources["account_data"].get_current_key(),
room_key=self.sources.room.get_current_key(),
presence_key=self.sources.presence.get_current_key(),
typing_key=self.sources.typing.get_current_key(),
receipt_key=self.sources.receipt.get_current_key(),
account_data_key=self.sources.account_data.get_current_key(),
push_rules_key=push_rules_key,
to_device_key=to_device_key,
device_list_key=device_list_key,
@ -67,7 +78,7 @@ class EventSources:
The current token for pagination.
"""
token = StreamToken(
room_key=self.sources["room"].get_current_key(),
room_key=self.sources.room.get_current_key(),
presence_key=0,
typing_key=0,
receipt_key=0,

2
tests/handlers/test_receipts.py
View file

@ -23,7 +23,7 @@ from tests import unittest
class ReceiptsTestCase(unittest.HomeserverTestCase):
def prepare(self, reactor, clock, hs):
self.event_source = hs.get_event_sources().sources["receipt"]
self.event_source = hs.get_event_sources().sources.receipt
# In the first param of _test_filters_hidden we use "hidden" instead of
# ReadReceiptEventFields.MSC2285_HIDDEN. We do this because we're mocking

46
tests/handlers/test_typing.py
View file

@ -89,7 +89,7 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.handler = hs.get_typing_handler()
self.event_source = hs.get_event_sources().sources["typing"]
self.event_source = hs.get_event_sources().sources.typing
self.datastore = hs.get_datastore()
self.datastore.get_destination_retry_timings = Mock(
@ -171,7 +171,9 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.assertEquals(self.event_source.get_current_key(), 1)
events = self.get_success(
self.event_source.get_new_events(room_ids=[ROOM_ID], from_key=0)
self.event_source.get_new_events(
user=U_APPLE, from_key=0, limit=None, room_ids=[ROOM_ID], is_guest=False
)
)
self.assertEquals(
events[0],
@ -239,7 +241,9 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.assertEquals(self.event_source.get_current_key(), 1)
events = self.get_success(
self.event_source.get_new_events(room_ids=[ROOM_ID], from_key=0)
self.event_source.get_new_events(
user=U_APPLE, from_key=0, limit=None, room_ids=[ROOM_ID], is_guest=False
)
)
self.assertEquals(
events[0],
@ -276,7 +280,13 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.assertEquals(self.event_source.get_current_key(), 0)
events = self.get_success(
self.event_source.get_new_events(room_ids=[OTHER_ROOM_ID], from_key=0)
self.event_source.get_new_events(
user=U_APPLE,
from_key=0,
limit=None,
room_ids=[OTHER_ROOM_ID],
is_guest=False,
)
)
self.assertEquals(events[0], [])
self.assertEquals(events[1], 0)
@ -324,7 +334,9 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.assertEquals(self.event_source.get_current_key(), 1)
events = self.get_success(
self.event_source.get_new_events(room_ids=[ROOM_ID], from_key=0)
self.event_source.get_new_events(
user=U_APPLE, from_key=0, limit=None, room_ids=[ROOM_ID], is_guest=False
)
)
self.assertEquals(
events[0],
@ -350,7 +362,13 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.assertEquals(self.event_source.get_current_key(), 1)
events = self.get_success(
self.event_source.get_new_events(room_ids=[ROOM_ID], from_key=0)
self.event_source.get_new_events(
user=U_APPLE,
from_key=0,
limit=None,
room_ids=[ROOM_ID],
is_guest=False,
)
)
self.assertEquals(
events[0],
@ -369,7 +387,13 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.assertEquals(self.event_source.get_current_key(), 2)
events = self.get_success(
self.event_source.get_new_events(room_ids=[ROOM_ID], from_key=1)
self.event_source.get_new_events(
user=U_APPLE,
from_key=1,
limit=None,
room_ids=[ROOM_ID],
is_guest=False,
)
)
self.assertEquals(
events[0],
@ -392,7 +416,13 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.assertEquals(self.event_source.get_current_key(), 3)
events = self.get_success(
self.event_source.get_new_events(room_ids=[ROOM_ID], from_key=0)
self.event_source.get_new_events(
user=U_APPLE,
from_key=0,
limit=None,
room_ids=[ROOM_ID],
is_guest=False,
)
)
self.assertEquals(
events[0],

10
tests/rest/client/test_shadow_banned.py
View file

@ -193,7 +193,7 @@ class RoomTestCase(_ShadowBannedBase):
self.assertEquals(200, channel.code)
# There should be no typing events.
event_source = self.hs.get_event_sources().sources["typing"]
event_source = self.hs.get_event_sources().sources.typing
self.assertEquals(event_source.get_current_key(), 0)
# The other user can join and send typing events.
@ -210,7 +210,13 @@ class RoomTestCase(_ShadowBannedBase):
# These appear in the room.
self.assertEquals(event_source.get_current_key(), 1)
events = self.get_success(
event_source.get_new_events(from_key=0, room_ids=[room_id])
event_source.get_new_events(
user=UserID.from_string(self.other_user_id),
from_key=0,
limit=None,
room_ids=[room_id],
is_guest=False,
)
)
self.assertEquals(
events[0],

10
tests/rest/client/test_typing.py
View file

@ -41,7 +41,7 @@ class RoomTypingTestCase(unittest.HomeserverTestCase):
federation_client=Mock(),
)
self.event_source = hs.get_event_sources().sources["typing"]
self.event_source = hs.get_event_sources().sources.typing
hs.get_federation_handler = Mock()
@ -76,7 +76,13 @@ class RoomTypingTestCase(unittest.HomeserverTestCase):
self.assertEquals(self.event_source.get_current_key(), 1)
events = self.get_success(
self.event_source.get_new_events(from_key=0, room_ids=[self.room_id])
self.event_source.get_new_events(
user=UserID.from_string(self.user_id),
from_key=0,
limit=None,
room_ids=[self.room_id],
is_guest=False,
)
)
self.assertEquals(
events[0],