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Add type hints to admin and room list handlers. (#8973)

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Patrick Cloke 2020-12-29 17:42:10 -05:00 committed by GitHub
parent 14a7371375
commit 9999eb2d02
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5 changed files with 100 additions and 70 deletions

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changelog.d/8973.misc Normal file
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@ -0,0 +1 @@
Add type hints to the admin and room list handlers.

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@ -25,6 +25,7 @@ files =
synapse/handlers/_base.py,
synapse/handlers/account_data.py,
synapse/handlers/account_validity.py,
synapse/handlers/admin.py,
synapse/handlers/appservice.py,
synapse/handlers/auth.py,
synapse/handlers/cas_handler.py,
@ -45,6 +46,7 @@ files =
synapse/handlers/read_marker.py,
synapse/handlers/register.py,
synapse/handlers/room.py,
synapse/handlers/room_list.py,
synapse/handlers/room_member.py,
synapse/handlers/room_member_worker.py,
synapse/handlers/saml_handler.py,
@ -114,6 +116,9 @@ ignore_missing_imports = True
[mypy-h11]
ignore_missing_imports = True
[mypy-msgpack]
ignore_missing_imports = True
[mypy-opentracing]
ignore_missing_imports = True

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@ -13,27 +13,31 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import abc
import logging
from typing import List
from typing import TYPE_CHECKING, Any, Dict, List, Optional, Set
from synapse.api.constants import Membership
from synapse.events import FrozenEvent
from synapse.types import RoomStreamToken, StateMap
from synapse.events import EventBase
from synapse.types import JsonDict, RoomStreamToken, StateMap, UserID
from synapse.visibility import filter_events_for_client
from ._base import BaseHandler
if TYPE_CHECKING:
from synapse.app.homeserver import HomeServer
logger = logging.getLogger(__name__)
class AdminHandler(BaseHandler):
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
self.storage = hs.get_storage()
self.state_store = self.storage.state
async def get_whois(self, user):
async def get_whois(self, user: UserID) -> JsonDict:
connections = []
sessions = await self.store.get_user_ip_and_agents(user)
@ -53,7 +57,7 @@ class AdminHandler(BaseHandler):
return ret
async def get_user(self, user):
async def get_user(self, user: UserID) -> Optional[JsonDict]:
"""Function to get user details"""
ret = await self.store.get_user_by_id(user.to_string())
if ret:
@ -64,12 +68,12 @@ class AdminHandler(BaseHandler):
ret["threepids"] = threepids
return ret
async def export_user_data(self, user_id, writer):
async def export_user_data(self, user_id: str, writer: "ExfiltrationWriter") -> Any:
"""Write all data we have on the user to the given writer.
Args:
user_id (str)
writer (ExfiltrationWriter)
user_id: The user ID to fetch data of.
writer: The writer to write to.
Returns:
Resolves when all data for a user has been written.
@ -128,7 +132,8 @@ class AdminHandler(BaseHandler):
from_key = RoomStreamToken(0, 0)
to_key = RoomStreamToken(None, stream_ordering)
written_events = set() # Events that we've processed in this room
# Events that we've processed in this room
written_events = set() # type: Set[str]
# We need to track gaps in the events stream so that we can then
# write out the state at those events. We do this by keeping track
@ -140,8 +145,8 @@ class AdminHandler(BaseHandler):
# The reverse mapping to above, i.e. map from unseen event to events
# that have the unseen event in their prev_events, i.e. the unseen
# events "children". dict[str, set[str]]
unseen_to_child_events = {}
# events "children".
unseen_to_child_events = {} # type: Dict[str, Set[str]]
# We fetch events in the room the user could see by fetching *all*
# events that we have and then filtering, this isn't the most
@ -197,38 +202,46 @@ class AdminHandler(BaseHandler):
return writer.finished()
class ExfiltrationWriter:
class ExfiltrationWriter(metaclass=abc.ABCMeta):
"""Interface used to specify how to write exported data.
"""
def write_events(self, room_id: str, events: List[FrozenEvent]):
@abc.abstractmethod
def write_events(self, room_id: str, events: List[EventBase]) -> None:
"""Write a batch of events for a room.
"""
pass
raise NotImplementedError()
def write_state(self, room_id: str, event_id: str, state: StateMap[FrozenEvent]):
@abc.abstractmethod
def write_state(
self, room_id: str, event_id: str, state: StateMap[EventBase]
) -> None:
"""Write the state at the given event in the room.
This only gets called for backward extremities rather than for each
event.
"""
pass
raise NotImplementedError()
def write_invite(self, room_id: str, event: FrozenEvent, state: StateMap[dict]):
@abc.abstractmethod
def write_invite(
self, room_id: str, event: EventBase, state: StateMap[dict]
) -> None:
"""Write an invite for the room, with associated invite state.
Args:
room_id
event
state: A subset of the state at the
invite, with a subset of the event keys (type, state_key
content and sender)
room_id: The room ID the invite is for.
event: The invite event.
state: A subset of the state at the invite, with a subset of the
event keys (type, state_key content and sender).
"""
raise NotImplementedError()
def finished(self):
@abc.abstractmethod
def finished(self) -> Any:
"""Called when all data has successfully been exported and written.
This functions return value is passed to the caller of
`export_user_data`.
"""
pass
raise NotImplementedError()

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@ -15,19 +15,22 @@
import logging
from collections import namedtuple
from typing import Any, Dict, Optional
from typing import TYPE_CHECKING, Optional, Tuple
import msgpack
from unpaddedbase64 import decode_base64, encode_base64
from synapse.api.constants import EventTypes, HistoryVisibility, JoinRules
from synapse.api.errors import Codes, HttpResponseException
from synapse.types import ThirdPartyInstanceID
from synapse.types import JsonDict, ThirdPartyInstanceID
from synapse.util.caches.descriptors import cached
from synapse.util.caches.response_cache import ResponseCache
from ._base import BaseHandler
if TYPE_CHECKING:
from synapse.app.homeserver import HomeServer
logger = logging.getLogger(__name__)
REMOTE_ROOM_LIST_POLL_INTERVAL = 60 * 1000
@ -37,37 +40,38 @@ EMPTY_THIRD_PARTY_ID = ThirdPartyInstanceID(None, None)
class RoomListHandler(BaseHandler):
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
self.enable_room_list_search = hs.config.enable_room_list_search
self.response_cache = ResponseCache(hs, "room_list")
self.response_cache = ResponseCache(
hs, "room_list"
) # type: ResponseCache[Tuple[Optional[int], Optional[str], ThirdPartyInstanceID]]
self.remote_response_cache = ResponseCache(
hs, "remote_room_list", timeout_ms=30 * 1000
)
) # type: ResponseCache[Tuple[str, Optional[int], Optional[str], bool, Optional[str]]]
async def get_local_public_room_list(
self,
limit=None,
since_token=None,
search_filter=None,
network_tuple=EMPTY_THIRD_PARTY_ID,
from_federation=False,
):
limit: Optional[int] = None,
since_token: Optional[str] = None,
search_filter: Optional[dict] = None,
network_tuple: ThirdPartyInstanceID = EMPTY_THIRD_PARTY_ID,
from_federation: bool = False,
) -> JsonDict:
"""Generate a local public room list.
There are multiple different lists: the main one plus one per third
party network. A client can ask for a specific list or to return all.
Args:
limit (int|None)
since_token (str|None)
search_filter (dict|None)
network_tuple (ThirdPartyInstanceID): Which public list to use.
limit
since_token
search_filter
network_tuple: Which public list to use.
This can be (None, None) to indicate the main list, or a particular
appservice and network id to use an appservice specific one.
Setting to None returns all public rooms across all lists.
from_federation (bool): true iff the request comes from the federation
API
from_federation: true iff the request comes from the federation API
"""
if not self.enable_room_list_search:
return {"chunk": [], "total_room_count_estimate": 0}
@ -107,10 +111,10 @@ class RoomListHandler(BaseHandler):
self,
limit: Optional[int] = None,
since_token: Optional[str] = None,
search_filter: Optional[Dict] = None,
search_filter: Optional[dict] = None,
network_tuple: ThirdPartyInstanceID = EMPTY_THIRD_PARTY_ID,
from_federation: bool = False,
) -> Dict[str, Any]:
) -> JsonDict:
"""Generate a public room list.
Args:
limit: Maximum amount of rooms to return.
@ -131,13 +135,17 @@ class RoomListHandler(BaseHandler):
if since_token:
batch_token = RoomListNextBatch.from_token(since_token)
bounds = (batch_token.last_joined_members, batch_token.last_room_id)
bounds = (
batch_token.last_joined_members,
batch_token.last_room_id,
) # type: Optional[Tuple[int, str]]
forwards = batch_token.direction_is_forward
has_batch_token = True
else:
batch_token = None
bounds = None
forwards = True
has_batch_token = False
# we request one more than wanted to see if there are more pages to come
probing_limit = limit + 1 if limit is not None else None
@ -169,7 +177,7 @@ class RoomListHandler(BaseHandler):
results = [build_room_entry(r) for r in results]
response = {}
response = {} # type: JsonDict
num_results = len(results)
if limit is not None:
more_to_come = num_results == probing_limit
@ -187,7 +195,7 @@ class RoomListHandler(BaseHandler):
initial_entry = results[0]
if forwards:
if batch_token:
if has_batch_token:
# If there was a token given then we assume that there
# must be previous results.
response["prev_batch"] = RoomListNextBatch(
@ -203,7 +211,7 @@ class RoomListHandler(BaseHandler):
direction_is_forward=True,
).to_token()
else:
if batch_token:
if has_batch_token:
response["next_batch"] = RoomListNextBatch(
last_joined_members=final_entry["num_joined_members"],
last_room_id=final_entry["room_id"],
@ -293,7 +301,7 @@ class RoomListHandler(BaseHandler):
return None
# Return whether this room is open to federation users or not
create_event = current_state.get((EventTypes.Create, ""))
create_event = current_state[EventTypes.Create, ""]
result["m.federate"] = create_event.content.get("m.federate", True)
name_event = current_state.get((EventTypes.Name, ""))
@ -336,13 +344,13 @@ class RoomListHandler(BaseHandler):
async def get_remote_public_room_list(
self,
server_name,
limit=None,
since_token=None,
search_filter=None,
include_all_networks=False,
third_party_instance_id=None,
):
server_name: str,
limit: Optional[int] = None,
since_token: Optional[str] = None,
search_filter: Optional[dict] = None,
include_all_networks: bool = False,
third_party_instance_id: Optional[str] = None,
) -> JsonDict:
if not self.enable_room_list_search:
return {"chunk": [], "total_room_count_estimate": 0}
@ -399,13 +407,13 @@ class RoomListHandler(BaseHandler):
async def _get_remote_list_cached(
self,
server_name,
limit=None,
since_token=None,
search_filter=None,
include_all_networks=False,
third_party_instance_id=None,
):
server_name: str,
limit: Optional[int] = None,
since_token: Optional[str] = None,
search_filter: Optional[dict] = None,
include_all_networks: bool = False,
third_party_instance_id: Optional[str] = None,
) -> JsonDict:
repl_layer = self.hs.get_federation_client()
if search_filter:
# We can't cache when asking for search
@ -456,24 +464,24 @@ class RoomListNextBatch(
REVERSE_KEY_DICT = {v: k for k, v in KEY_DICT.items()}
@classmethod
def from_token(cls, token):
def from_token(cls, token: str) -> "RoomListNextBatch":
decoded = msgpack.loads(decode_base64(token), raw=False)
return RoomListNextBatch(
**{cls.REVERSE_KEY_DICT[key]: val for key, val in decoded.items()}
)
def to_token(self):
def to_token(self) -> str:
return encode_base64(
msgpack.dumps(
{self.KEY_DICT[key]: val for key, val in self._asdict().items()}
)
)
def copy_and_replace(self, **kwds):
def copy_and_replace(self, **kwds) -> "RoomListNextBatch":
return self._replace(**kwds)
def _matches_room_entry(room_entry, search_filter):
def _matches_room_entry(room_entry: JsonDict, search_filter: dict) -> bool:
if search_filter and search_filter.get("generic_search_term", None):
generic_search_term = search_filter["generic_search_term"].upper()
if generic_search_term in room_entry.get("name", "").upper():

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@ -14,11 +14,12 @@
# limitations under the License.
import logging
from typing import Dict, Optional, Tuple
from typing import Dict, List, Optional, Tuple, Union
from synapse.metrics.background_process_metrics import wrap_as_background_process
from synapse.storage._base import SQLBaseStore
from synapse.storage.database import DatabasePool, make_tuple_comparison_clause
from synapse.types import UserID
from synapse.util.caches.lrucache import LruCache
logger = logging.getLogger(__name__)
@ -546,7 +547,9 @@ class ClientIpStore(ClientIpWorkerStore):
}
return ret
async def get_user_ip_and_agents(self, user):
async def get_user_ip_and_agents(
self, user: UserID
) -> List[Dict[str, Union[str, int]]]:
user_id = user.to_string()
results = {}