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Update some comments

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Add a couple of type annotations, docstrings, and other comments, in the
interest of keeping track of what types I have.

Merged from pull request #370.
This commit is contained in:
Richard van der Hoff 2015-11-13 10:31:15 +00:00
parent fc27ca9006
commit 5dea4d37d1
4 changed files with 98 additions and 14 deletions
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6
synapse/handlers/_base.py
View File

@ -29,6 +29,12 @@ logger = logging.getLogger(__name__)
class BaseHandler(object):
"""
Common base class for the event handlers.
:type store: synapse.storage.events.StateStore
:type state_handler: synapse.state.StateHandler
"""
def __init__(self, hs):
self.store = hs.get_datastore()

34
synapse/handlers/sync.py
View File

@ -47,9 +47,9 @@ class TimelineBatch(collections.namedtuple("TimelineBatch", [
class JoinedSyncResult(collections.namedtuple("JoinedSyncResult", [
"room_id",
"timeline",
"state",
"room_id", # str
"timeline", # TimelineBatch
"state", # list[FrozenEvent]
"ephemeral",
"private_user_data",
])):
@ -68,9 +68,9 @@ class JoinedSyncResult(collections.namedtuple("JoinedSyncResult", [
class ArchivedSyncResult(collections.namedtuple("JoinedSyncResult", [
"room_id",
"timeline",
"state",
"room_id", # str
"timeline", # TimelineBatch
"state", # list[FrozenEvent]
"private_user_data",
])):
__slots__ = []
@ -87,8 +87,8 @@ class ArchivedSyncResult(collections.namedtuple("JoinedSyncResult", [
class InvitedSyncResult(collections.namedtuple("InvitedSyncResult", [
"room_id",
"invite",
"room_id", # str
"invite", # FrozenEvent: the invite event
])):
__slots__ = []
@ -507,6 +507,9 @@ class SyncHandler(BaseHandler):
@defer.inlineCallbacks
def load_filtered_recents(self, room_id, sync_config, now_token,
since_token=None):
"""
:returns a Deferred TimelineBatch
"""
limited = True
recents = []
filtering_factor = 2
@ -680,8 +683,13 @@ class SyncHandler(BaseHandler):
def compute_state_delta(self, since_token, previous_state, current_state):
""" Works out the differnce in state between the current state and the
state the client got when it last performed a sync.
Returns:
A list of events.
:param str since_token: the point we are comparing against
:param list[synapse.events.FrozenEvent] previous_state: the state to
compare to
:param list[synapse.events.FrozenEvent] current_state: the new state
:returns: A list of events.
"""
# TODO(mjark) Check if the state events were received by the server
# after the previous sync, since we need to include those state
@ -696,6 +704,12 @@ class SyncHandler(BaseHandler):
@defer.inlineCallbacks
def check_joined_room(self, sync_config, room_id, state_delta):
"""
Check if the user has just joined the given room. If so, return the
full state for the room, instead of the delta since the last sync.
:returns A deferred Tuple (state_delta, limited)
"""
joined = False
limited = False
for event in state_delta:

56
synapse/rest/client/v2_alpha/sync.py
View File

@ -165,6 +165,20 @@ class SyncRestServlet(RestServlet):
return {"events": filter.filter_presence(formatted)}
def encode_joined(self, rooms, filter, time_now, token_id):
"""
Encode the joined rooms in a sync result
:param list[synapse.handlers.sync.JoinedSyncResult] rooms: list of sync
results for rooms this user is joined to
:param FilterCollection filter: filters to apply to the results
:param int time_now: current time - used as a baseline for age
calculations
:param int token_id: ID of the user's auth token - used for namespacing
of transaction IDs
:return: the joined rooms list, in our response format
:rtype: dict[str, dict[str, object]]
"""
joined = {}
for room in rooms:
joined[room.room_id] = self.encode_room(
@ -174,6 +188,20 @@ class SyncRestServlet(RestServlet):
return joined
def encode_invited(self, rooms, filter, time_now, token_id):
"""
Encode the invited rooms in a sync result
:param list[synapse.handlers.sync.InvitedSyncResult] rooms: list of
sync results for rooms this user is joined to
:param FilterCollection filter: filters to apply to the results
:param int time_now: current time - used as a baseline for age
calculations
:param int token_id: ID of the user's auth token - used for namespacing
of transaction IDs
:return: the invited rooms list, in our response format
:rtype: dict[str, dict[str, object]]
"""
invited = {}
for room in rooms:
invite = serialize_event(
@ -189,6 +217,20 @@ class SyncRestServlet(RestServlet):
return invited
def encode_archived(self, rooms, filter, time_now, token_id):
"""
Encode the archived rooms in a sync result
:param list[synapse.handlers.sync.ArchivedSyncResult] rooms: list of
sync results for rooms this user is joined to
:param FilterCollection filter: filters to apply to the results
:param int time_now: current time - used as a baseline for age
calculations
:param int token_id: ID of the user's auth token - used for namespacing
of transaction IDs
:return: the invited rooms list, in our response format
:rtype: dict[str, dict[str, object]]
"""
joined = {}
for room in rooms:
joined[room.room_id] = self.encode_room(
@ -199,6 +241,20 @@ class SyncRestServlet(RestServlet):
@staticmethod
def encode_room(room, filter, time_now, token_id, joined=True):
"""
:param JoinedSyncResult|ArchivedSyncResult room: sync result for a
single room
:param FilterCollection filter: filters to apply to the results
:param int time_now: current time - used as a baseline for age
calculations
:param int token_id: ID of the user's auth token - used for namespacing
of transaction IDs
:param joined: True if the user is joined to this room - will mean
we handle ephemeral events
:return: the room, encoded in our response format
:rtype: dict[str, object]
"""
event_map = {}
state_events = filter.filter_room_state(room.state)
state_event_ids = []

16
synapse/state.py
View File

@ -71,7 +71,7 @@ class StateHandler(object):
@defer.inlineCallbacks
def get_current_state(self, room_id, event_type=None, state_key=""):
""" Returns the current state for the room as a list. This is done by
""" Retrieves the current state for the room. This is done by
calling `get_latest_events_in_room` to get the leading edges of the
event graph and then resolving any of the state conflicts.
@ -80,6 +80,8 @@ class StateHandler(object):
If `event_type` is specified, then the method returns only the one
event (or None) with that `event_type` and `state_key`.
:returns map from (type, state_key) to event
"""
event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
@ -177,9 +179,10 @@ class StateHandler(object):
""" Given a list of event_ids this method fetches the state at each
event, resolves conflicts between them and returns them.
Return format is a tuple: (`state_group`, `state_events`), where the
first is the name of a state group if one and only one is involved,
otherwise `None`.
:returns a Deferred tuple of (`state_group`, `state`, `prev_state`).
`state_group` is the name of a state group if one and only one is
involved. `state` is a map from (type, state_key) to event, and
`prev_state` is a list of event ids.
"""
logger.debug("resolve_state_groups event_ids %s", event_ids)
@ -255,6 +258,11 @@ class StateHandler(object):
return self._resolve_events(state_sets)
def _resolve_events(self, state_sets, event_type=None, state_key=""):
"""
:returns a tuple (new_state, prev_states). new_state is a map
from (type, state_key) to event. prev_states is a list of event_ids.
:rtype: (dict[(str, str), synapse.events.FrozenEvent], list[str])
"""
state = {}
for st in state_sets:
for e in st: