Merge pull request #686 from matrix-org/markjh/doc_strings

Use google style doc strings.
This commit is contained in:
Mark Haines 2016-04-01 16:20:09 +01:00
commit 89e6839a48
14 changed files with 238 additions and 165 deletions

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@ -17,3 +17,6 @@ ignore =
[flake8]
max-line-length = 90
ignore = W503 ; W503 requires that binary operators be at the end, not start, of lines. Erik doesn't like it.
[pep8]
max-line-length = 90

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@ -41,8 +41,9 @@ class BaseHandler(object):
"""
Common base class for the event handlers.
:type store: synapse.storage.events.StateStore
:type state_handler: synapse.state.StateHandler
Attributes:
store (synapse.storage.events.StateStore):
state_handler (synapse.state.StateHandler):
"""
def __init__(self, hs):
@ -65,11 +66,12 @@ class BaseHandler(object):
""" Returns dict of user_id -> list of events that user is allowed to
see.
:param (str, bool) user_tuples: (user id, is_peeking) for each
user to be checked. is_peeking should be true if:
* the user is not currently a member of the room, and:
* the user has not been a member of the room since the given
events
Args:
user_tuples (str, bool): (user id, is_peeking) for each user to be
checked. is_peeking should be true if:
* the user is not currently a member of the room, and:
* the user has not been a member of the room since the
given events
"""
forgotten = yield defer.gatherResults([
self.store.who_forgot_in_room(
@ -165,13 +167,16 @@ class BaseHandler(object):
"""
Check which events a user is allowed to see
:param str user_id: user id to be checked
:param [synapse.events.EventBase] events: list of events to be checked
:param bool is_peeking should be True if:
Args:
user_id(str): user id to be checked
events([synapse.events.EventBase]): list of events to be checked
is_peeking(bool): should be True if:
* the user is not currently a member of the room, and:
* the user has not been a member of the room since the given
events
:rtype [synapse.events.EventBase]
Returns:
[synapse.events.EventBase]
"""
types = (
(EventTypes.RoomHistoryVisibility, ""),

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@ -163,9 +163,13 @@ class AuthHandler(BaseHandler):
def get_session_id(self, clientdict):
"""
Gets the session ID for a client given the client dictionary
:param clientdict: The dictionary sent by the client in the request
:return: The string session ID the client sent. If the client did not
send a session ID, returns None.
Args:
clientdict: The dictionary sent by the client in the request
Returns:
str|None: The string session ID the client sent. If the client did
not send a session ID, returns None.
"""
sid = None
if clientdict and 'auth' in clientdict:
@ -179,9 +183,11 @@ class AuthHandler(BaseHandler):
Store a key-value pair into the sessions data associated with this
request. This data is stored server-side and cannot be modified by
the client.
:param session_id: (string) The ID of this session as returned from check_auth
:param key: (string) The key to store the data under
:param value: (any) The data to store
Args:
session_id (string): The ID of this session as returned from check_auth
key (string): The key to store the data under
value (any): The data to store
"""
sess = self._get_session_info(session_id)
sess.setdefault('serverdict', {})[key] = value
@ -190,9 +196,11 @@ class AuthHandler(BaseHandler):
def get_session_data(self, session_id, key, default=None):
"""
Retrieve data stored with set_session_data
:param session_id: (string) The ID of this session as returned from check_auth
:param key: (string) The key to store the data under
:param default: (any) Value to return if the key has not been set
Args:
session_id (string): The ID of this session as returned from check_auth
key (string): The key to store the data under
default (any): Value to return if the key has not been set
"""
sess = self._get_session_info(session_id)
return sess.setdefault('serverdict', {}).get(key, default)

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@ -1703,13 +1703,15 @@ class FederationHandler(BaseHandler):
def _check_signature(self, event, auth_events):
"""
Checks that the signature in the event is consistent with its invite.
:param event (Event): The m.room.member event to check
:param auth_events (dict<(event type, state_key), event>)
:raises
AuthError if signature didn't match any keys, or key has been
Args:
event (Event): The m.room.member event to check
auth_events (dict<(event type, state_key), event>):
Raises:
AuthError: if signature didn't match any keys, or key has been
revoked,
SynapseError if a transient error meant a key couldn't be checked
SynapseError: if a transient error meant a key couldn't be checked
for revocation.
"""
signed = event.content["third_party_invite"]["signed"]
@ -1751,12 +1753,13 @@ class FederationHandler(BaseHandler):
"""
Checks whether public_key has been revoked.
:param public_key (str): base-64 encoded public key.
:param url (str): Key revocation URL.
Args:
public_key (str): base-64 encoded public key.
url (str): Key revocation URL.
:raises
AuthError if they key has been revoked.
SynapseError if a transient error meant a key couldn't be checked
Raises:
AuthError: if they key has been revoked.
SynapseError: if a transient error meant a key couldn't be checked
for revocation.
"""
try:

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@ -411,7 +411,7 @@ class RoomMemberHandler(BaseHandler):
address (str): The third party identifier (e.g. "foo@example.com").
Returns:
(str) the matrix ID of the 3pid, or None if it is not recognized.
str: the matrix ID of the 3pid, or None if it is not recognized.
"""
try:
data = yield self.hs.get_simple_http_client().get_json(
@ -545,29 +545,29 @@ class RoomMemberHandler(BaseHandler):
"""
Asks an identity server for a third party invite.
:param id_server (str): hostname + optional port for the identity server.
:param medium (str): The literal string "email".
:param address (str): The third party address being invited.
:param room_id (str): The ID of the room to which the user is invited.
:param inviter_user_id (str): The user ID of the inviter.
:param room_alias (str): An alias for the room, for cosmetic
notifications.
:param room_avatar_url (str): The URL of the room's avatar, for cosmetic
notifications.
:param room_join_rules (str): The join rules of the email
(e.g. "public").
:param room_name (str): The m.room.name of the room.
:param inviter_display_name (str): The current display name of the
inviter.
:param inviter_avatar_url (str): The URL of the inviter's avatar.
Args:
id_server (str): hostname + optional port for the identity server.
medium (str): The literal string "email".
address (str): The third party address being invited.
room_id (str): The ID of the room to which the user is invited.
inviter_user_id (str): The user ID of the inviter.
room_alias (str): An alias for the room, for cosmetic notifications.
room_avatar_url (str): The URL of the room's avatar, for cosmetic
notifications.
room_join_rules (str): The join rules of the email (e.g. "public").
room_name (str): The m.room.name of the room.
inviter_display_name (str): The current display name of the
inviter.
inviter_avatar_url (str): The URL of the inviter's avatar.
:return: A deferred tuple containing:
token (str): The token which must be signed to prove authenticity.
public_keys ([{"public_key": str, "key_validity_url": str}]):
public_key is a base64-encoded ed25519 public key.
fallback_public_key: One element from public_keys.
display_name (str): A user-friendly name to represent the invited
user.
Returns:
A deferred tuple containing:
token (str): The token which must be signed to prove authenticity.
public_keys ([{"public_key": str, "key_validity_url": str}]):
public_key is a base64-encoded ed25519 public key.
fallback_public_key: One element from public_keys.
display_name (str): A user-friendly name to represent the invited
user.
"""
is_url = "%s%s/_matrix/identity/api/v1/store-invite" % (

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@ -663,7 +663,8 @@ class SyncHandler(BaseHandler):
def load_filtered_recents(self, room_id, sync_config, now_token,
since_token=None, recents=None, newly_joined_room=False):
"""
:returns a Deferred TimelineBatch
Returns:
a Deferred TimelineBatch
"""
with Measure(self.clock, "load_filtered_recents"):
filtering_factor = 2
@ -830,8 +831,11 @@ class SyncHandler(BaseHandler):
"""
Get the room state after the given event
:param synapse.events.EventBase event: event of interest
:return: A Deferred map from ((type, state_key)->Event)
Args:
event(synapse.events.EventBase): event of interest
Returns:
A Deferred map from ((type, state_key)->Event)
"""
state = yield self.store.get_state_for_event(event.event_id)
if event.is_state():
@ -842,9 +846,13 @@ class SyncHandler(BaseHandler):
@defer.inlineCallbacks
def get_state_at(self, room_id, stream_position):
""" Get the room state at a particular stream position
:param str room_id: room for which to get state
:param StreamToken stream_position: point at which to get state
:returns: A Deferred map from ((type, state_key)->Event)
Args:
room_id(str): room for which to get state
stream_position(StreamToken): point at which to get state
Returns:
A Deferred map from ((type, state_key)->Event)
"""
last_events, token = yield self.store.get_recent_events_for_room(
room_id, end_token=stream_position.room_key, limit=1,
@ -865,15 +873,18 @@ class SyncHandler(BaseHandler):
""" Works out the differnce in state between the start of the timeline
and the previous sync.
:param str room_id
:param TimelineBatch batch: The timeline batch for the room that will
be sent to the user.
:param sync_config
:param str since_token: Token of the end of the previous batch. May be None.
:param str now_token: Token of the end of the current batch.
:param bool full_state: Whether to force returning the full state.
Args:
room_id(str):
batch(synapse.handlers.sync.TimelineBatch): The timeline batch for
the room that will be sent to the user.
sync_config(synapse.handlers.sync.SyncConfig):
since_token(str|None): Token of the end of the previous batch. May
be None.
now_token(str): Token of the end of the current batch.
full_state(bool): Whether to force returning the full state.
:returns A new event dictionary
Returns:
A deferred new event dictionary
"""
# TODO(mjark) Check if the state events were received by the server
# after the previous sync, since we need to include those state
@ -945,11 +956,13 @@ class SyncHandler(BaseHandler):
Check if the user has just joined the given room (so should
be given the full state)
:param sync_config:
:param dict[(str,str), synapse.events.FrozenEvent] state_delta: the
difference in state since the last sync
Args:
sync_config(synapse.handlers.sync.SyncConfig):
state_delta(dict[(str,str), synapse.events.FrozenEvent]): the
difference in state since the last sync
:returns A deferred Tuple (state_delta, limited)
Returns:
A deferred Tuple (state_delta, limited)
"""
join_event = state_delta.get((
EventTypes.Member, sync_config.user.to_string()), None)

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@ -26,14 +26,19 @@ logger = logging.getLogger(__name__)
def parse_integer(request, name, default=None, required=False):
"""Parse an integer parameter from the request string
:param request: the twisted HTTP request.
:param name (str): the name of the query parameter.
:param default: value to use if the parameter is absent, defaults to None.
:param required (bool): whether to raise a 400 SynapseError if the
parameter is absent, defaults to False.
:return: An int value or the default.
:raises
SynapseError if the parameter is absent and required, or if the
Args:
request: the twisted HTTP request.
name (str): the name of the query parameter.
default (int|None): value to use if the parameter is absent, defaults
to None.
required (bool): whether to raise a 400 SynapseError if the
parameter is absent, defaults to False.
Returns:
int|None: An int value or the default.
Raises:
SynapseError: if the parameter is absent and required, or if the
parameter is present and not an integer.
"""
if name in request.args:
@ -53,14 +58,19 @@ def parse_integer(request, name, default=None, required=False):
def parse_boolean(request, name, default=None, required=False):
"""Parse a boolean parameter from the request query string
:param request: the twisted HTTP request.
:param name (str): the name of the query parameter.
:param default: value to use if the parameter is absent, defaults to None.
:param required (bool): whether to raise a 400 SynapseError if the
parameter is absent, defaults to False.
:return: A bool value or the default.
:raises
SynapseError if the parameter is absent and required, or if the
Args:
request: the twisted HTTP request.
name (str): the name of the query parameter.
default (bool|None): value to use if the parameter is absent, defaults
to None.
required (bool): whether to raise a 400 SynapseError if the
parameter is absent, defaults to False.
Returns:
bool|None: A bool value or the default.
Raises:
SynapseError: if the parameter is absent and required, or if the
parameter is present and not one of "true" or "false".
"""
@ -88,15 +98,20 @@ def parse_string(request, name, default=None, required=False,
allowed_values=None, param_type="string"):
"""Parse a string parameter from the request query string.
:param request: the twisted HTTP request.
:param name (str): the name of the query parameter.
:param default: value to use if the parameter is absent, defaults to None.
:param required (bool): whether to raise a 400 SynapseError if the
parameter is absent, defaults to False.
:param allowed_values (list): List of allowed values for the string,
or None if any value is allowed, defaults to None
:return: A string value or the default.
:raises
Args:
request: the twisted HTTP request.
name (str): the name of the query parameter.
default (str|None): value to use if the parameter is absent, defaults
to None.
required (bool): whether to raise a 400 SynapseError if the
parameter is absent, defaults to False.
allowed_values (list[str]): List of allowed values for the string,
or None if any value is allowed, defaults to None
Returns:
str|None: A string value or the default.
Raises:
SynapseError if the parameter is absent and required, or if the
parameter is present, must be one of a list of allowed values and
is not one of those allowed values.
@ -122,9 +137,13 @@ def parse_string(request, name, default=None, required=False,
def parse_json_value_from_request(request):
"""Parse a JSON value from the body of a twisted HTTP request.
:param request: the twisted HTTP request.
:returns: The JSON value.
:raises
Args:
request: the twisted HTTP request.
Returns:
The JSON value.
Raises:
SynapseError if the request body couldn't be decoded as JSON.
"""
try:
@ -143,8 +162,10 @@ def parse_json_value_from_request(request):
def parse_json_object_from_request(request):
"""Parse a JSON object from the body of a twisted HTTP request.
:param request: the twisted HTTP request.
:raises
Args:
request: the twisted HTTP request.
Raises:
SynapseError if the request body couldn't be decoded as JSON or
if it wasn't a JSON object.
"""

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@ -503,13 +503,14 @@ class Notifier(object):
def wait_for_replication(self, callback, timeout):
"""Wait for an event to happen.
:param callback:
Gets called whenever an event happens. If this returns a truthy
value then ``wait_for_replication`` returns, otherwise it waits
for another event.
:param int timeout:
How many milliseconds to wait for callback return a truthy value.
:returns:
Args:
callback: Gets called whenever an event happens. If this returns a
truthy value then ``wait_for_replication`` returns, otherwise
it waits for another event.
timeout: How many milliseconds to wait for callback return a truthy
value.
Returns:
A deferred that resolves with the value returned by the callback.
"""
listener = _NotificationListener(None)

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@ -19,9 +19,11 @@ import copy
def list_with_base_rules(rawrules):
"""Combine the list of rules set by the user with the default push rules
:param list rawrules: The rules the user has modified or set.
:returns: A new list with the rules set by the user combined with the
defaults.
Args:
rawrules(list): The rules the user has modified or set.
Returns:
A new list with the rules set by the user combined with the defaults.
"""
ruleslist = []

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@ -199,15 +199,17 @@ class SyncRestServlet(RestServlet):
"""
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 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
Args:
rooms(list[synapse.handlers.sync.JoinedSyncResult]): list of sync
results for rooms this user is joined to
time_now(int): current time - used as a baseline for age
calculations
token_id(int): 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]]
Returns:
dict[str, dict[str, object]]: the joined rooms list, in our
response format
"""
joined = {}
for room in rooms:
@ -221,15 +223,17 @@ class SyncRestServlet(RestServlet):
"""
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 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
Args:
rooms(list[synapse.handlers.sync.InvitedSyncResult]): list of
sync results for rooms this user is joined to
time_now(int): current time - used as a baseline for age
calculations
token_id(int): 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]]
Returns:
dict[str, dict[str, object]]: the invited rooms list, in our
response format
"""
invited = {}
for room in rooms:
@ -251,15 +255,17 @@ class SyncRestServlet(RestServlet):
"""
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 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
Args:
rooms (list[synapse.handlers.sync.ArchivedSyncResult]): list of
sync results for rooms this user is joined to
time_now(int): current time - used as a baseline for age
calculations
token_id(int): 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]]
Returns:
dict[str, dict[str, object]]: The invited rooms list, in our
response format
"""
joined = {}
for room in rooms:
@ -272,17 +278,18 @@ class SyncRestServlet(RestServlet):
@staticmethod
def encode_room(room, time_now, token_id, joined=True):
"""
:param JoinedSyncResult|ArchivedSyncResult room: sync result for a
single room
: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
Args:
room (JoinedSyncResult|ArchivedSyncResult): sync result for a
single room
time_now (int): current time - used as a baseline for age
calculations
token_id (int): ID of the user's auth token - used for namespacing
of transaction IDs
joined (bool): 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]
Returns:
dict[str, object]: the room, encoded in our response format
"""
def serialize(event):
# TODO(mjark): Respect formatting requirements in the filter.

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@ -86,7 +86,8 @@ 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
Returns:
map from (type, state_key) to event
"""
event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
@ -176,10 +177,11 @@ class StateHandler(object):
""" Given a list of event_ids this method fetches the state at each
event, resolves conflicts between them and returns them.
: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.
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)
@ -251,9 +253,10 @@ class StateHandler(object):
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])
Returns
(dict[(str, str), synapse.events.FrozenEvent], list[str]): 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.
"""
with Measure(self.clock, "state._resolve_events"):
state = {}

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@ -26,8 +26,9 @@ logger = logging.getLogger(__name__)
class EventPushActionsStore(SQLBaseStore):
def _set_push_actions_for_event_and_users_txn(self, txn, event, tuples):
"""
:param event: the event set actions for
:param tuples: list of tuples of (user_id, actions)
Args:
event: the event set actions for
tuples: list of tuples of (user_id, actions)
"""
values = []
for uid, actions in tuples:

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@ -458,12 +458,15 @@ class RegistrationStore(SQLBaseStore):
"""
Gets the 3pid's guest access token if exists, else saves access_token.
:param medium (str): Medium of the 3pid. Must be "email".
:param address (str): 3pid address.
:param access_token (str): The access token to persist if none is
already persisted.
:param inviter_user_id (str): User ID of the inviter.
:return (deferred str): Whichever access token is persisted at the end
Args:
medium (str): Medium of the 3pid. Must be "email".
address (str): 3pid address.
access_token (str): The access token to persist if none is
already persisted.
inviter_user_id (str): User ID of the inviter.
Returns:
deferred str: Whichever access token is persisted at the end
of this function call.
"""
def insert(txn):

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@ -249,11 +249,14 @@ class StateStore(SQLBaseStore):
"""
Get the state dict corresponding to a particular event
:param str event_id: event whose state should be returned
:param list[(str, str)]|None types: List of (type, state_key) tuples
which are used to filter the state fetched. May be None, which
matches any key
:return: a deferred dict from (type, state_key) -> state_event
Args:
event_id(str): event whose state should be returned
types(list[(str, str)]|None): List of (type, state_key) tuples
which are used to filter the state fetched. May be None, which
matches any key
Returns:
A deferred dict from (type, state_key) -> state_event
"""
state_map = yield self.get_state_for_events([event_id], types)
defer.returnValue(state_map[event_id])