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Require type hints in the handlers module. (#10831)

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Adds missing type hints to methods in the synapse.handlers
module and requires all methods to have type hints there.

This also removes the unused construct_auth_difference method
from the FederationHandler.
This commit is contained in:
Patrick Cloke 2021-09-20 08:56:23 -04:00 • committed by GitHub
parent 437961744c
commit b3590614da
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35 changed files with 194 additions and 295 deletions
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130
synapse/handlers/federation.py
View file

@ -1221,136 +1221,6 @@ class FederationHandler(BaseHandler):
return missing_events
async def construct_auth_difference(
self, local_auth: Iterable[EventBase], remote_auth: Iterable[EventBase]
) -> Dict:
"""Given a local and remote auth chain, find the differences. This
assumes that we have already processed all events in remote_auth
Params:
local_auth
remote_auth
Returns:
dict
"""
logger.debug("construct_auth_difference Start!")
# TODO: Make sure we are OK with local_auth or remote_auth having more
# auth events in them than strictly necessary.
def sort_fun(ev):
return ev.depth, ev.event_id
logger.debug("construct_auth_difference after sort_fun!")
# We find the differences by starting at the "bottom" of each list
# and iterating up on both lists. The lists are ordered by depth and
# then event_id, we iterate up both lists until we find the event ids
# don't match. Then we look at depth/event_id to see which side is
# missing that event, and iterate only up that list. Repeat.
remote_list = list(remote_auth)
remote_list.sort(key=sort_fun)
local_list = list(local_auth)
local_list.sort(key=sort_fun)
local_iter = iter(local_list)
remote_iter = iter(remote_list)
logger.debug("construct_auth_difference before get_next!")
def get_next(it, opt=None):
try:
return next(it)
except Exception:
return opt
current_local = get_next(local_iter)
current_remote = get_next(remote_iter)
logger.debug("construct_auth_difference before while")
missing_remotes = []
missing_locals = []
while current_local or current_remote:
if current_remote is None:
missing_locals.append(current_local)
current_local = get_next(local_iter)
continue
if current_local is None:
missing_remotes.append(current_remote)
current_remote = get_next(remote_iter)
continue
if current_local.event_id == current_remote.event_id:
current_local = get_next(local_iter)
current_remote = get_next(remote_iter)
continue
if current_local.depth < current_remote.depth:
missing_locals.append(current_local)
current_local = get_next(local_iter)
continue
if current_local.depth > current_remote.depth:
missing_remotes.append(current_remote)
current_remote = get_next(remote_iter)
continue
# They have the same depth, so we fall back to the event_id order
if current_local.event_id < current_remote.event_id:
missing_locals.append(current_local)
current_local = get_next(local_iter)
if current_local.event_id > current_remote.event_id:
missing_remotes.append(current_remote)
current_remote = get_next(remote_iter)
continue
logger.debug("construct_auth_difference after while")
# missing locals should be sent to the server
# We should find why we are missing remotes, as they will have been
# rejected.
# Remove events from missing_remotes if they are referencing a missing
# remote. We only care about the "root" rejected ones.
missing_remote_ids = [e.event_id for e in missing_remotes]
base_remote_rejected = list(missing_remotes)
for e in missing_remotes:
for e_id in e.auth_event_ids():
if e_id in missing_remote_ids:
try:
base_remote_rejected.remove(e)
except ValueError:
pass
reason_map = {}
for e in base_remote_rejected:
reason = await self.store.get_rejection_reason(e.event_id)
if reason is None:
# TODO: e is not in the current state, so we should
# construct some proof of that.
continue
reason_map[e.event_id] = reason
logger.debug("construct_auth_difference returning")
return {
"auth_chain": local_auth,
"rejects": {
e.event_id: {"reason": reason_map[e.event_id], "proof": None}
for e in base_remote_rejected
},
"missing": [e.event_id for e in missing_locals],
}
@log_function
async def exchange_third_party_invite(
self, sender_user_id: str, target_user_id: str, room_id: str, signed: JsonDict