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Merge pull request #2836 from matrix-org/rav/resolve_state_events_docstring

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Docstring fixes
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Richard van der Hoff 2018-02-02 15:26:49 +01:00 committed by GitHub
commit 9dcd667ac2
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1 changed files with 28 additions and 8 deletions
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36
synapse/state.py
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@ -58,7 +58,11 @@ class _StateCacheEntry(object):
__slots__ = ["state", "state_group", "state_id", "prev_group", "delta_ids"] __slots__ = ["state", "state_group", "state_id", "prev_group", "delta_ids"]
def __init__(self, state, state_group, prev_group=None, delta_ids=None): def __init__(self, state, state_group, prev_group=None, delta_ids=None):
# dict[(str, str), str] map from (type, state_key) to event_id
self.state = frozendict(state) self.state = frozendict(state)
# the ID of a state group if one and only one is involved.
# otherwise, None otherwise?
self.state_group = state_group self.state_group = state_group
self.prev_group = prev_group self.prev_group = prev_group
@ -288,11 +292,12 @@ class StateHandler(object):
""" Given a list of event_ids this method fetches the state at each """ Given a list of event_ids this method fetches the state at each
event, resolves conflicts between them and returns them. event, resolves conflicts between them and returns them.
Args:
room_id (str):
event_ids (list[str]):
Returns: Returns:
a Deferred tuple of (`state_group`, `state`, `prev_state`). Deferred[_StateCacheEntry]: resolved 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) logger.debug("resolve_state_groups event_ids %s", event_ids)
@ -437,8 +442,8 @@ def resolve_events_with_state_map(state_sets, state_map):
state_sets. state_sets.
Returns Returns
dict[(str, str), synapse.events.FrozenEvent]: dict[(str, str), str]:
a map from (type, state_key) to event. a map from (type, state_key) to event_id.
""" """
if len(state_sets) == 1: if len(state_sets) == 1:
return state_sets[0] return state_sets[0]
@ -460,6 +465,21 @@ def _seperate(state_sets):
"""Takes the state_sets and figures out which keys are conflicted and """Takes the state_sets and figures out which keys are conflicted and
which aren't. i.e., which have multiple different event_ids associated which aren't. i.e., which have multiple different event_ids associated
with them in different state sets. with them in different state sets.
Args:
state_sets(list[dict[(str, str), str]]):
List of dicts of (type, state_key) -> event_id, which are the
different state groups to resolve.
Returns:
(dict[(str, str), str], dict[(str, str), set[str]]):
A tuple of (unconflicted_state, conflicted_state), where:
unconflicted_state is a dict mapping (type, state_key)->event_id
for unconflicted state keys.
conflicted_state is a dict mapping (type, state_key) to a set of
event ids for conflicted state keys.
""" """
unconflicted_state = dict(state_sets[0]) unconflicted_state = dict(state_sets[0])
conflicted_state = {} conflicted_state = {}
@ -500,8 +520,8 @@ def resolve_events_with_factory(state_sets, state_map_factory):
a Deferred of dict of event_id to event. a Deferred of dict of event_id to event.
Returns Returns
Deferred[dict[(str, str), synapse.events.FrozenEvent]]: Deferred[dict[(str, str), str]]:
a map from (type, state_key) to event. a map from (type, state_key) to event_id.
""" """
if len(state_sets) == 1: if len(state_sets) == 1:
defer.returnValue(state_sets[0]) defer.returnValue(state_sets[0])