From d2279f471ba8f44d9f578e62b286897a338d8aa1 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Thu, 2 Dec 2021 11:18:10 -0500 Subject: [PATCH] Add most of the missing type hints to `synapse.federation`. (#11483) This skips a few methods which are difficult to type. --- changelog.d/11483.misc | 1 + mypy.ini | 6 +++ synapse/federation/federation_client.py | 4 +- synapse/federation/federation_server.py | 10 ++-- synapse/federation/persistence.py | 4 +- synapse/federation/send_queue.py | 25 +++++----- .../sender/per_destination_queue.py | 13 +++-- synapse/federation/transport/client.py | 20 +++++--- .../federation/transport/server/__init__.py | 2 +- synapse/federation/transport/server/_base.py | 48 +++++++++++-------- 10 files changed, 84 insertions(+), 49 deletions(-) create mode 100644 changelog.d/11483.misc diff --git a/changelog.d/11483.misc b/changelog.d/11483.misc new file mode 100644 index 000000000..4cc47fcab --- /dev/null +++ b/changelog.d/11483.misc @@ -0,0 +1 @@ +Add missing type hints to `synapse.federation`. diff --git a/mypy.ini b/mypy.ini index 99b5c41ad..d8296b4fa 100644 --- a/mypy.ini +++ b/mypy.ini @@ -158,6 +158,12 @@ disallow_untyped_defs = True [mypy-synapse.events.*] disallow_untyped_defs = True +[mypy-synapse.federation.*] +disallow_untyped_defs = True + +[mypy-synapse.federation.transport.client] +disallow_untyped_defs = False + [mypy-synapse.handlers.*] disallow_untyped_defs = True diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index be1423da2..fee1477ab 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -128,7 +128,7 @@ class FederationClient(FederationBase): reset_expiry_on_get=False, ) - def _clear_tried_cache(self): + def _clear_tried_cache(self) -> None: """Clear pdu_destination_tried cache""" now = self._clock.time_msec() @@ -800,7 +800,7 @@ class FederationClient(FederationBase): no servers successfully handle the request. """ - async def send_request(destination) -> SendJoinResult: + async def send_request(destination: str) -> SendJoinResult: response = await self._do_send_join(room_version, destination, pdu) # If an event was returned (and expected to be returned): diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index cce85526e..8e37e7620 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -1,6 +1,6 @@ # Copyright 2015, 2016 OpenMarket Ltd # Copyright 2018 New Vector Ltd -# Copyright 2019 Matrix.org Federation C.I.C +# Copyright 2019-2021 Matrix.org Federation C.I.C # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -450,7 +450,7 @@ class FederationServer(FederationBase): # require callouts to other servers to fetch missing events), but # impose a limit to avoid going too crazy with ram/cpu. - async def process_pdus_for_room(room_id: str): + async def process_pdus_for_room(room_id: str) -> None: with nested_logging_context(room_id): logger.debug("Processing PDUs for %s", room_id) @@ -547,7 +547,7 @@ class FederationServer(FederationBase): async def on_state_ids_request( self, origin: str, room_id: str, event_id: str - ) -> Tuple[int, Dict[str, Any]]: + ) -> Tuple[int, JsonDict]: if not event_id: raise NotImplementedError("Specify an event") @@ -567,7 +567,9 @@ class FederationServer(FederationBase): return 200, resp - async def _on_state_ids_request_compute(self, room_id, event_id): + async def _on_state_ids_request_compute( + self, room_id: str, event_id: str + ) -> JsonDict: state_ids = await self.handler.get_state_ids_for_pdu(room_id, event_id) auth_chain_ids = await self.store.get_auth_chain_ids(room_id, state_ids) return {"pdu_ids": state_ids, "auth_chain_ids": auth_chain_ids} diff --git a/synapse/federation/persistence.py b/synapse/federation/persistence.py index 4fead6ca2..523ab1c51 100644 --- a/synapse/federation/persistence.py +++ b/synapse/federation/persistence.py @@ -1,4 +1,5 @@ # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2021 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -23,6 +24,7 @@ from typing import Optional, Tuple from synapse.federation.units import Transaction from synapse.logging.utils import log_function +from synapse.storage.databases.main import DataStore from synapse.types import JsonDict logger = logging.getLogger(__name__) @@ -31,7 +33,7 @@ logger = logging.getLogger(__name__) class TransactionActions: """Defines persistence actions that relate to handling Transactions.""" - def __init__(self, datastore): + def __init__(self, datastore: DataStore): self.store = datastore @log_function diff --git a/synapse/federation/send_queue.py b/synapse/federation/send_queue.py index 1fbf325fd..63289a5a3 100644 --- a/synapse/federation/send_queue.py +++ b/synapse/federation/send_queue.py @@ -1,4 +1,5 @@ # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2021 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -350,7 +351,7 @@ class BaseFederationRow: TypeId = "" # Unique string that ids the type. Must be overridden in sub classes. @staticmethod - def from_data(data): + def from_data(data: JsonDict) -> "BaseFederationRow": """Parse the data from the federation stream into a row. Args: @@ -359,7 +360,7 @@ class BaseFederationRow: """ raise NotImplementedError() - def to_data(self): + def to_data(self) -> JsonDict: """Serialize this row to be sent over the federation stream. Returns: @@ -368,7 +369,7 @@ class BaseFederationRow: """ raise NotImplementedError() - def add_to_buffer(self, buff): + def add_to_buffer(self, buff: "ParsedFederationStreamData") -> None: """Add this row to the appropriate field in the buffer ready for this to be sent over federation. @@ -391,15 +392,15 @@ class PresenceDestinationsRow( TypeId = "pd" @staticmethod - def from_data(data): + def from_data(data: JsonDict) -> "PresenceDestinationsRow": return PresenceDestinationsRow( state=UserPresenceState.from_dict(data["state"]), destinations=data["dests"] ) - def to_data(self): + def to_data(self) -> JsonDict: return {"state": self.state.as_dict(), "dests": self.destinations} - def add_to_buffer(self, buff): + def add_to_buffer(self, buff: "ParsedFederationStreamData") -> None: buff.presence_destinations.append((self.state, self.destinations)) @@ -417,13 +418,13 @@ class KeyedEduRow( TypeId = "k" @staticmethod - def from_data(data): + def from_data(data: JsonDict) -> "KeyedEduRow": return KeyedEduRow(key=tuple(data["key"]), edu=Edu(**data["edu"])) - def to_data(self): + def to_data(self) -> JsonDict: return {"key": self.key, "edu": self.edu.get_internal_dict()} - def add_to_buffer(self, buff): + def add_to_buffer(self, buff: "ParsedFederationStreamData") -> None: buff.keyed_edus.setdefault(self.edu.destination, {})[self.key] = self.edu @@ -433,13 +434,13 @@ class EduRow(BaseFederationRow, namedtuple("EduRow", ("edu",))): # Edu TypeId = "e" @staticmethod - def from_data(data): + def from_data(data: JsonDict) -> "EduRow": return EduRow(Edu(**data)) - def to_data(self): + def to_data(self) -> JsonDict: return self.edu.get_internal_dict() - def add_to_buffer(self, buff): + def add_to_buffer(self, buff: "ParsedFederationStreamData") -> None: buff.edus.setdefault(self.edu.destination, []).append(self.edu) diff --git a/synapse/federation/sender/per_destination_queue.py b/synapse/federation/sender/per_destination_queue.py index afe35e72b..391b30fbb 100644 --- a/synapse/federation/sender/per_destination_queue.py +++ b/synapse/federation/sender/per_destination_queue.py @@ -1,5 +1,6 @@ # Copyright 2014-2016 OpenMarket Ltd # Copyright 2019 New Vector Ltd +# Copyright 2021 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -14,7 +15,8 @@ # limitations under the License. import datetime import logging -from typing import TYPE_CHECKING, Dict, Hashable, Iterable, List, Optional, Tuple +from types import TracebackType +from typing import TYPE_CHECKING, Dict, Hashable, Iterable, List, Optional, Tuple, Type import attr from prometheus_client import Counter @@ -213,7 +215,7 @@ class PerDestinationQueue: self._pending_edus_keyed[(edu.edu_type, key)] = edu self.attempt_new_transaction() - def send_edu(self, edu) -> None: + def send_edu(self, edu: Edu) -> None: self._pending_edus.append(edu) self.attempt_new_transaction() @@ -701,7 +703,12 @@ class _TransactionQueueManager: return self._pdus, pending_edus - async def __aexit__(self, exc_type, exc, tb): + async def __aexit__( + self, + exc_type: Optional[Type[BaseException]], + exc: Optional[BaseException], + tb: Optional[TracebackType], + ) -> None: if exc_type is not None: # Failed to send transaction, so we bail out. return diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py index d1f4be641..9fc4c31c9 100644 --- a/synapse/federation/transport/client.py +++ b/synapse/federation/transport/client.py @@ -21,6 +21,7 @@ from typing import ( Callable, Collection, Dict, + Generator, Iterable, List, Mapping, @@ -235,11 +236,16 @@ class TransportLayerClient: @log_function async def make_query( - self, destination, query_type, args, retry_on_dns_fail, ignore_backoff=False - ): + self, + destination: str, + query_type: str, + args: dict, + retry_on_dns_fail: bool, + ignore_backoff: bool = False, + ) -> JsonDict: path = _create_v1_path("/query/%s", query_type) - content = await self.client.get_json( + return await self.client.get_json( destination=destination, path=path, args=args, @@ -248,8 +254,6 @@ class TransportLayerClient: ignore_backoff=ignore_backoff, ) - return content - @log_function async def make_membership_event( self, @@ -1317,7 +1321,7 @@ class SendJoinResponse: @ijson.coroutine -def _event_parser(event_dict: JsonDict): +def _event_parser(event_dict: JsonDict) -> Generator[None, Tuple[str, Any], None]: """Helper function for use with `ijson.kvitems_coro` to parse key-value pairs to add them to a given dictionary. """ @@ -1328,7 +1332,9 @@ def _event_parser(event_dict: JsonDict): @ijson.coroutine -def _event_list_parser(room_version: RoomVersion, events: List[EventBase]): +def _event_list_parser( + room_version: RoomVersion, events: List[EventBase] +) -> Generator[None, JsonDict, None]: """Helper function for use with `ijson.items_coro` to parse an array of events and add them to the given list. """ diff --git a/synapse/federation/transport/server/__init__.py b/synapse/federation/transport/server/__init__.py index abcb8728f..77b936361 100644 --- a/synapse/federation/transport/server/__init__.py +++ b/synapse/federation/transport/server/__init__.py @@ -302,7 +302,7 @@ def register_servlets( authenticator: Authenticator, ratelimiter: FederationRateLimiter, servlet_groups: Optional[Iterable[str]] = None, -): +) -> None: """Initialize and register servlet classes. Will by default register all servlets. For custom behaviour, pass in diff --git a/synapse/federation/transport/server/_base.py b/synapse/federation/transport/server/_base.py index cef65929c..dc39e3537 100644 --- a/synapse/federation/transport/server/_base.py +++ b/synapse/federation/transport/server/_base.py @@ -15,10 +15,13 @@ import functools import logging import re +from typing import Any, Awaitable, Callable, Optional, Tuple, cast from synapse.api.errors import Codes, FederationDeniedError, SynapseError from synapse.api.urls import FEDERATION_V1_PREFIX +from synapse.http.server import HttpServer, ServletCallback from synapse.http.servlet import parse_json_object_from_request +from synapse.http.site import SynapseRequest from synapse.logging import opentracing from synapse.logging.context import run_in_background from synapse.logging.opentracing import ( @@ -29,6 +32,7 @@ from synapse.logging.opentracing import ( whitelisted_homeserver, ) from synapse.server import HomeServer +from synapse.types import JsonDict from synapse.util.ratelimitutils import FederationRateLimiter from synapse.util.stringutils import parse_and_validate_server_name @@ -59,9 +63,11 @@ class Authenticator: self.replication_client = hs.get_tcp_replication() # A method just so we can pass 'self' as the authenticator to the Servlets - async def authenticate_request(self, request, content): + async def authenticate_request( + self, request: SynapseRequest, content: Optional[JsonDict] + ) -> str: now = self._clock.time_msec() - json_request = { + json_request: JsonDict = { "method": request.method.decode("ascii"), "uri": request.uri.decode("ascii"), "destination": self.server_name, @@ -114,7 +120,7 @@ class Authenticator: return origin - async def _reset_retry_timings(self, origin): + async def _reset_retry_timings(self, origin: str) -> None: try: logger.info("Marking origin %r as up", origin) await self.store.set_destination_retry_timings(origin, None, 0, 0) @@ -133,14 +139,14 @@ class Authenticator: logger.exception("Error resetting retry timings on %s", origin) -def _parse_auth_header(header_bytes): +def _parse_auth_header(header_bytes: bytes) -> Tuple[str, str, str]: """Parse an X-Matrix auth header Args: - header_bytes (bytes): header value + header_bytes: header value Returns: - Tuple[str, str, str]: origin, key id, signature. + origin, key id, signature. Raises: AuthenticationError if the header could not be parsed @@ -148,9 +154,9 @@ def _parse_auth_header(header_bytes): try: header_str = header_bytes.decode("utf-8") params = header_str.split(" ")[1].split(",") - param_dict = dict(kv.split("=") for kv in params) + param_dict = {k: v for k, v in (kv.split("=", maxsplit=1) for kv in params)} - def strip_quotes(value): + def strip_quotes(value: str) -> str: if value.startswith('"'): return value[1:-1] else: @@ -233,23 +239,25 @@ class BaseFederationServlet: self.ratelimiter = ratelimiter self.server_name = server_name - def _wrap(self, func): + def _wrap(self, func: Callable[..., Awaitable[Tuple[int, Any]]]) -> ServletCallback: authenticator = self.authenticator ratelimiter = self.ratelimiter @functools.wraps(func) - async def new_func(request, *args, **kwargs): + async def new_func( + request: SynapseRequest, *args: Any, **kwargs: str + ) -> Optional[Tuple[int, Any]]: """A callback which can be passed to HttpServer.RegisterPaths Args: - request (twisted.web.http.Request): + request: *args: unused? - **kwargs (dict[unicode, unicode]): the dict mapping keys to path - components as specified in the path match regexp. + **kwargs: the dict mapping keys to path components as specified + in the path match regexp. Returns: - Tuple[int, object]|None: (response code, response object) as returned by - the callback method. None if the request has already been handled. + (response code, response object) as returned by the callback method. + None if the request has already been handled. """ content = None if request.method in [b"PUT", b"POST"]: @@ -257,7 +265,9 @@ class BaseFederationServlet: content = parse_json_object_from_request(request) try: - origin = await authenticator.authenticate_request(request, content) + origin: Optional[str] = await authenticator.authenticate_request( + request, content + ) except NoAuthenticationError: origin = None if self.REQUIRE_AUTH: @@ -301,7 +311,7 @@ class BaseFederationServlet: "client disconnected before we started processing " "request" ) - return -1, None + return None response = await func( origin, content, request.args, *args, **kwargs ) @@ -312,9 +322,9 @@ class BaseFederationServlet: return response - return new_func + return cast(ServletCallback, new_func) - def register(self, server): + def register(self, server: HttpServer) -> None: pattern = re.compile("^" + self.PREFIX + self.PATH + "$") for method in ("GET", "PUT", "POST"):