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Reorganize Pydantic models and types used in handlers (#17279)

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Spawning from https://github.com/element-hq/synapse/pull/17187#discussion_r1619492779 around wanting to put `SlidingSyncBody` (parse the request in the rest layer), `SlidingSyncConfig` (from the rest layer, pass to the handler), `SlidingSyncResponse` (pass the response from the handler back to the rest layer to respond) somewhere that doesn't contaminate the imports and cause circular import issues.

 - Moved Pydantic parsing models to `synapse/types/rest`
 - Moved handler types to `synapse/types/handlers`
This commit is contained in:
Eric Eastwood 2024-06-10 15:03:50 -05:00 committed by GitHub
parent 265ee88f34
commit dad1559721
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15 changed files with 269 additions and 244 deletions
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1
changelog.d/17279.misc Normal file
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@ -0,0 +1 @@
Re-organize Pydantic models and types used in handlers.

2
synapse/events/validator.py
View File

@ -47,9 +47,9 @@ from synapse.events.utils import (
validate_canonicaljson,
)
from synapse.http.servlet import validate_json_object
from synapse.rest.models import RequestBodyModel
from synapse.storage.controllers.state import server_acl_evaluator_from_event
from synapse.types import EventID, JsonDict, RoomID, StrCollection, UserID
from synapse.types.rest import RequestBodyModel
class EventValidator:

3
synapse/handlers/pagination.py
View File

@ -37,11 +37,10 @@ from synapse.types import (
JsonMapping,
Requester,
ScheduledTask,
ShutdownRoomParams,
ShutdownRoomResponse,
StreamKeyType,
TaskStatus,
)
from synapse.types.handlers import ShutdownRoomParams, ShutdownRoomResponse
from synapse.types.state import StateFilter
from synapse.util.async_helpers import ReadWriteLock
from synapse.visibility import filter_events_for_client

3
synapse/handlers/room.py
View File

@ -80,8 +80,6 @@ from synapse.types import (
RoomAlias,
RoomID,
RoomStreamToken,
ShutdownRoomParams,
ShutdownRoomResponse,
StateMap,
StrCollection,
StreamKeyType,
@ -89,6 +87,7 @@ from synapse.types import (
UserID,
create_requester,
)
from synapse.types.handlers import ShutdownRoomParams, ShutdownRoomResponse
from synapse.types.state import StateFilter
from synapse.util import stringutils
from synapse.util.caches.response_cache import ResponseCache

175
synapse/handlers/sliding_sync.py
View File

@ -18,23 +18,14 @@
#
#
import logging
from enum import Enum
from typing import TYPE_CHECKING, AbstractSet, Dict, Final, List, Optional, Tuple
from typing import TYPE_CHECKING, AbstractSet, Dict, List, Optional
import attr
from immutabledict import immutabledict
from synapse._pydantic_compat import HAS_PYDANTIC_V2
if TYPE_CHECKING or HAS_PYDANTIC_V2:
from pydantic.v1 import Extra
else:
from pydantic import Extra
from synapse.api.constants import Membership
from synapse.events import EventBase
from synapse.rest.client.models import SlidingSyncBody
from synapse.types import JsonMapping, Requester, RoomStreamToken, StreamToken, UserID
from synapse.types import Requester, RoomStreamToken, StreamToken, UserID
from synapse.types.handlers import OperationType, SlidingSyncConfig, SlidingSyncResult
if TYPE_CHECKING:
from synapse.server import HomeServer
@ -62,166 +53,6 @@ def filter_membership_for_sync(*, membership: str, user_id: str, sender: str) ->
return membership != Membership.LEAVE or sender != user_id
class SlidingSyncConfig(SlidingSyncBody):
"""
Inherit from `SlidingSyncBody` since we need all of the same fields and add a few
extra fields that we need in the handler
"""
user: UserID
device_id: Optional[str]
# Pydantic config
class Config:
# By default, ignore fields that we don't recognise.
extra = Extra.ignore
# By default, don't allow fields to be reassigned after parsing.
allow_mutation = False
# Allow custom types like `UserID` to be used in the model
arbitrary_types_allowed = True
class OperationType(Enum):
"""
Represents the operation types in a Sliding Sync window.
Attributes:
SYNC: Sets a range of entries. Clients SHOULD discard what they previous knew about
entries in this range.
INSERT: Sets a single entry. If the position is not empty then clients MUST move
entries to the left or the right depending on where the closest empty space is.
DELETE: Remove a single entry. Often comes before an INSERT to allow entries to move
places.
INVALIDATE: Remove a range of entries. Clients MAY persist the invalidated range for
offline support, but they should be treated as empty when additional operations
which concern indexes in the range arrive from the server.
"""
SYNC: Final = "SYNC"
INSERT: Final = "INSERT"
DELETE: Final = "DELETE"
INVALIDATE: Final = "INVALIDATE"
@attr.s(slots=True, frozen=True, auto_attribs=True)
class SlidingSyncResult:
"""
The Sliding Sync result to be serialized to JSON for a response.
Attributes:
next_pos: The next position token in the sliding window to request (next_batch).
lists: Sliding window API. A map of list key to list results.
rooms: Room subscription API. A map of room ID to room subscription to room results.
extensions: Extensions API. A map of extension key to extension results.
"""
@attr.s(slots=True, frozen=True, auto_attribs=True)
class RoomResult:
"""
Attributes:
name: Room name or calculated room name.
avatar: Room avatar
heroes: List of stripped membership events (containing `user_id` and optionally
`avatar_url` and `displayname`) for the users used to calculate the room name.
initial: Flag which is set when this is the first time the server is sending this
data on this connection. Clients can use this flag to replace or update
their local state. When there is an update, servers MUST omit this flag
entirely and NOT send "initial":false as this is wasteful on bandwidth. The
absence of this flag means 'false'.
required_state: The current state of the room
timeline: Latest events in the room. The last event is the most recent
is_dm: Flag to specify whether the room is a direct-message room (most likely
between two people).
invite_state: Stripped state events. Same as `rooms.invite.$room_id.invite_state`
in sync v2, absent on joined/left rooms
prev_batch: A token that can be passed as a start parameter to the
`/rooms/<room_id>/messages` API to retrieve earlier messages.
limited: True if their are more events than fit between the given position and now.
Sync again to get more.
joined_count: The number of users with membership of join, including the client's
own user ID. (same as sync `v2 m.joined_member_count`)
invited_count: The number of users with membership of invite. (same as sync v2
`m.invited_member_count`)
notification_count: The total number of unread notifications for this room. (same
as sync v2)
highlight_count: The number of unread notifications for this room with the highlight
flag set. (same as sync v2)
num_live: The number of timeline events which have just occurred and are not historical.
The last N events are 'live' and should be treated as such. This is mostly
useful to determine whether a given @mention event should make a noise or not.
Clients cannot rely solely on the absence of `initial: true` to determine live
events because if a room not in the sliding window bumps into the window because
of an @mention it will have `initial: true` yet contain a single live event
(with potentially other old events in the timeline).
"""
name: str
avatar: Optional[str]
heroes: Optional[List[EventBase]]
initial: bool
required_state: List[EventBase]
timeline: List[EventBase]
is_dm: bool
invite_state: List[EventBase]
prev_batch: StreamToken
limited: bool
joined_count: int
invited_count: int
notification_count: int
highlight_count: int
num_live: int
@attr.s(slots=True, frozen=True, auto_attribs=True)
class SlidingWindowList:
"""
Attributes:
count: The total number of entries in the list. Always present if this list
is.
ops: The sliding list operations to perform.
"""
@attr.s(slots=True, frozen=True, auto_attribs=True)
class Operation:
"""
Attributes:
op: The operation type to perform.
range: Which index positions are affected by this operation. These are
both inclusive.
room_ids: Which room IDs are affected by this operation. These IDs match
up to the positions in the `range`, so the last room ID in this list
matches the 9th index. The room data is held in a separate object.
"""
op: OperationType
range: Tuple[int, int]
room_ids: List[str]
count: int
ops: List[Operation]
next_pos: StreamToken
lists: Dict[str, SlidingWindowList]
rooms: Dict[str, RoomResult]
extensions: JsonMapping
def __bool__(self) -> bool:
"""Make the result appear empty if there are no updates. This is used
to tell if the notifier needs to wait for more events when polling for
events.
"""
return bool(self.lists or self.rooms or self.extensions)
@staticmethod
def empty(next_pos: StreamToken) -> "SlidingSyncResult":
"Return a new empty result"
return SlidingSyncResult(
next_pos=next_pos,
lists={},
rooms={},
extensions={},
)
class SlidingSyncHandler:
def __init__(self, hs: "HomeServer"):
self.clock = hs.get_clock()

6
synapse/rest/client/account.py
View File

@ -56,14 +56,14 @@ from synapse.http.servlet import (
from synapse.http.site import SynapseRequest
from synapse.metrics import threepid_send_requests
from synapse.push.mailer import Mailer
from synapse.rest.client.models import (
from synapse.types import JsonDict
from synapse.types.rest import RequestBodyModel
from synapse.types.rest.client import (
AuthenticationData,
ClientSecretStr,
EmailRequestTokenBody,
MsisdnRequestTokenBody,
)
from synapse.rest.models import RequestBodyModel
from synapse.types import JsonDict
from synapse.util.msisdn import phone_number_to_msisdn
from synapse.util.stringutils import assert_valid_client_secret, random_string
from synapse.util.threepids import check_3pid_allowed, validate_email

4
synapse/rest/client/devices.py
View File

@ -42,9 +42,9 @@ from synapse.http.servlet import (
)
from synapse.http.site import SynapseRequest
from synapse.rest.client._base import client_patterns, interactive_auth_handler
from synapse.rest.client.models import AuthenticationData
from synapse.rest.models import RequestBodyModel
from synapse.types import JsonDict
from synapse.types.rest import RequestBodyModel
from synapse.types.rest.client import AuthenticationData
if TYPE_CHECKING:
from synapse.server import HomeServer

2
synapse/rest/client/directory.py
View File

@ -41,8 +41,8 @@ from synapse.http.servlet import (
)
from synapse.http.site import SynapseRequest
from synapse.rest.client._base import client_patterns
from synapse.rest.models import RequestBodyModel
from synapse.types import JsonDict, RoomAlias
from synapse.types.rest import RequestBodyModel
if TYPE_CHECKING:
from synapse.server import HomeServer

2
synapse/rest/client/sync.py
View File

@ -53,8 +53,8 @@ from synapse.http.servlet import (
)
from synapse.http.site import SynapseRequest
from synapse.logging.opentracing import trace_with_opname
from synapse.rest.client.models import SlidingSyncBody
from synapse.types import JsonDict, Requester, StreamToken
from synapse.types.rest.client import SlidingSyncBody
from synapse.util import json_decoder
from synapse.util.caches.lrucache import LruCache

2
synapse/rest/key/v2/remote_key_resource.py
View File

@ -41,9 +41,9 @@ from synapse.http.servlet import (
parse_and_validate_json_object_from_request,
parse_integer,
)
from synapse.rest.models import RequestBodyModel
from synapse.storage.keys import FetchKeyResultForRemote
from synapse.types import JsonDict
from synapse.types.rest import RequestBodyModel
from synapse.util import json_decoder
from synapse.util.async_helpers import yieldable_gather_results

57
synapse/types/__init__.py
View File

@ -1279,60 +1279,3 @@ class ScheduledTask:
result: Optional[JsonMapping]
# Optional error that should be assigned a value when the status is FAILED
error: Optional[str]
class ShutdownRoomParams(TypedDict):
"""
Attributes:
requester_user_id:
User who requested the action. Will be recorded as putting the room on the
blocking list.
new_room_user_id:
If set, a new room will be created with this user ID
as the creator and admin, and all users in the old room will be
moved into that room. If not set, no new room will be created
and the users will just be removed from the old room.
new_room_name:
A string representing the name of the room that new users will
be invited to. Defaults to `Content Violation Notification`
message:
A string containing the first message that will be sent as
`new_room_user_id` in the new room. Ideally this will clearly
convey why the original room was shut down.
Defaults to `Sharing illegal content on this server is not
permitted and rooms in violation will be blocked.`
block:
If set to `true`, this room will be added to a blocking list,
preventing future attempts to join the room. Defaults to `false`.
purge:
If set to `true`, purge the given room from the database.
force_purge:
If set to `true`, the room will be purged from database
even if there are still users joined to the room.
"""
requester_user_id: Optional[str]
new_room_user_id: Optional[str]
new_room_name: Optional[str]
message: Optional[str]
block: bool
purge: bool
force_purge: bool
class ShutdownRoomResponse(TypedDict):
"""
Attributes:
kicked_users: An array of users (`user_id`) that were kicked.
failed_to_kick_users:
An array of users (`user_id`) that that were not kicked.
local_aliases:
An array of strings representing the local aliases that were
migrated from the old room to the new.
new_room_id: A string representing the room ID of the new room.
"""
kicked_users: List[str]
failed_to_kick_users: List[str]
local_aliases: List[str]
new_room_id: Optional[str]

252
synapse/types/handlers/__init__.py Normal file
View File

@ -0,0 +1,252 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2024 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
from enum import Enum
from typing import TYPE_CHECKING, Dict, Final, List, Optional, Tuple
import attr
from typing_extensions import TypedDict
from synapse._pydantic_compat import HAS_PYDANTIC_V2
if TYPE_CHECKING or HAS_PYDANTIC_V2:
from pydantic.v1 import Extra
else:
from pydantic import Extra
from synapse.events import EventBase
from synapse.types import JsonMapping, StreamToken, UserID
from synapse.types.rest.client import SlidingSyncBody
class ShutdownRoomParams(TypedDict):
"""
Attributes:
requester_user_id:
User who requested the action. Will be recorded as putting the room on the
blocking list.
new_room_user_id:
If set, a new room will be created with this user ID
as the creator and admin, and all users in the old room will be
moved into that room. If not set, no new room will be created
and the users will just be removed from the old room.
new_room_name:
A string representing the name of the room that new users will
be invited to. Defaults to `Content Violation Notification`
message:
A string containing the first message that will be sent as
`new_room_user_id` in the new room. Ideally this will clearly
convey why the original room was shut down.
Defaults to `Sharing illegal content on this server is not
permitted and rooms in violation will be blocked.`
block:
If set to `true`, this room will be added to a blocking list,
preventing future attempts to join the room. Defaults to `false`.
purge:
If set to `true`, purge the given room from the database.
force_purge:
If set to `true`, the room will be purged from database
even if there are still users joined to the room.
"""
requester_user_id: Optional[str]
new_room_user_id: Optional[str]
new_room_name: Optional[str]
message: Optional[str]
block: bool
purge: bool
force_purge: bool
class ShutdownRoomResponse(TypedDict):
"""
Attributes:
kicked_users: An array of users (`user_id`) that were kicked.
failed_to_kick_users:
An array of users (`user_id`) that that were not kicked.
local_aliases:
An array of strings representing the local aliases that were
migrated from the old room to the new.
new_room_id: A string representing the room ID of the new room.
"""
kicked_users: List[str]
failed_to_kick_users: List[str]
local_aliases: List[str]
new_room_id: Optional[str]
class SlidingSyncConfig(SlidingSyncBody):
"""
Inherit from `SlidingSyncBody` since we need all of the same fields and add a few
extra fields that we need in the handler
"""
user: UserID
device_id: Optional[str]
# Pydantic config
class Config:
# By default, ignore fields that we don't recognise.
extra = Extra.ignore
# By default, don't allow fields to be reassigned after parsing.
allow_mutation = False
# Allow custom types like `UserID` to be used in the model
arbitrary_types_allowed = True
class OperationType(Enum):
"""
Represents the operation types in a Sliding Sync window.
Attributes:
SYNC: Sets a range of entries. Clients SHOULD discard what they previous knew about
entries in this range.
INSERT: Sets a single entry. If the position is not empty then clients MUST move
entries to the left or the right depending on where the closest empty space is.
DELETE: Remove a single entry. Often comes before an INSERT to allow entries to move
places.
INVALIDATE: Remove a range of entries. Clients MAY persist the invalidated range for
offline support, but they should be treated as empty when additional operations
which concern indexes in the range arrive from the server.
"""
SYNC: Final = "SYNC"
INSERT: Final = "INSERT"
DELETE: Final = "DELETE"
INVALIDATE: Final = "INVALIDATE"
@attr.s(slots=True, frozen=True, auto_attribs=True)
class SlidingSyncResult:
"""
The Sliding Sync result to be serialized to JSON for a response.
Attributes:
next_pos: The next position token in the sliding window to request (next_batch).
lists: Sliding window API. A map of list key to list results.
rooms: Room subscription API. A map of room ID to room subscription to room results.
extensions: Extensions API. A map of extension key to extension results.
"""
@attr.s(slots=True, frozen=True, auto_attribs=True)
class RoomResult:
"""
Attributes:
name: Room name or calculated room name.
avatar: Room avatar
heroes: List of stripped membership events (containing `user_id` and optionally
`avatar_url` and `displayname`) for the users used to calculate the room name.
initial: Flag which is set when this is the first time the server is sending this
data on this connection. Clients can use this flag to replace or update
their local state. When there is an update, servers MUST omit this flag
entirely and NOT send "initial":false as this is wasteful on bandwidth. The
absence of this flag means 'false'.
required_state: The current state of the room
timeline: Latest events in the room. The last event is the most recent
is_dm: Flag to specify whether the room is a direct-message room (most likely
between two people).
invite_state: Stripped state events. Same as `rooms.invite.$room_id.invite_state`
in sync v2, absent on joined/left rooms
prev_batch: A token that can be passed as a start parameter to the
`/rooms/<room_id>/messages` API to retrieve earlier messages.
limited: True if their are more events than fit between the given position and now.
Sync again to get more.
joined_count: The number of users with membership of join, including the client's
own user ID. (same as sync `v2 m.joined_member_count`)
invited_count: The number of users with membership of invite. (same as sync v2
`m.invited_member_count`)
notification_count: The total number of unread notifications for this room. (same
as sync v2)
highlight_count: The number of unread notifications for this room with the highlight
flag set. (same as sync v2)
num_live: The number of timeline events which have just occurred and are not historical.
The last N events are 'live' and should be treated as such. This is mostly
useful to determine whether a given @mention event should make a noise or not.
Clients cannot rely solely on the absence of `initial: true` to determine live
events because if a room not in the sliding window bumps into the window because
of an @mention it will have `initial: true` yet contain a single live event
(with potentially other old events in the timeline).
"""
name: str
avatar: Optional[str]
heroes: Optional[List[EventBase]]
initial: bool
required_state: List[EventBase]
timeline: List[EventBase]
is_dm: bool
invite_state: List[EventBase]
prev_batch: StreamToken
limited: bool
joined_count: int
invited_count: int
notification_count: int
highlight_count: int
num_live: int
@attr.s(slots=True, frozen=True, auto_attribs=True)
class SlidingWindowList:
"""
Attributes:
count: The total number of entries in the list. Always present if this list
is.
ops: The sliding list operations to perform.
"""
@attr.s(slots=True, frozen=True, auto_attribs=True)
class Operation:
"""
Attributes:
op: The operation type to perform.
range: Which index positions are affected by this operation. These are
both inclusive.
room_ids: Which room IDs are affected by this operation. These IDs match
up to the positions in the `range`, so the last room ID in this list
matches the 9th index. The room data is held in a separate object.
"""
op: OperationType
range: Tuple[int, int]
room_ids: List[str]
count: int
ops: List[Operation]
next_pos: StreamToken
lists: Dict[str, SlidingWindowList]
rooms: Dict[str, RoomResult]
extensions: JsonMapping
def __bool__(self) -> bool:
"""Make the result appear empty if there are no updates. This is used
to tell if the notifier needs to wait for more events when polling for
events.
"""
return bool(self.lists or self.rooms or self.extensions)
@staticmethod
def empty(next_pos: StreamToken) -> "SlidingSyncResult":
"Return a new empty result"
return SlidingSyncResult(
next_pos=next_pos,
lists={},
rooms={},
extensions={},
)

0
synapse/rest/models.py → synapse/types/rest/__init__.py
View File

2
synapse/rest/client/models.py → synapse/types/rest/client/__init__.py
View File

@ -43,7 +43,7 @@ else:
validator,
)
from synapse.rest.models import RequestBodyModel
from synapse.types.rest import RequestBodyModel
from synapse.util.threepids import validate_email

2
tests/rest/client/test_models.py
View File

@ -24,7 +24,7 @@ from typing import TYPE_CHECKING
from typing_extensions import Literal
from synapse._pydantic_compat import HAS_PYDANTIC_V2
from synapse.rest.client.models import EmailRequestTokenBody
from synapse.types.rest.client import EmailRequestTokenBody
if TYPE_CHECKING or HAS_PYDANTIC_V2:
from pydantic.v1 import BaseModel, ValidationError