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Use google style doc strings.

Browse source 
pycharm supports them so there is no need to use the other format.

Might as well convert the existing strings to reduce the risk of
people accidentally cargo culting the wrong doc string format.
This commit is contained in:
Mark Haines 2016-04-01 16:08:59 +01:00
parent 03e406eefc
commit 2a37467fa1
14 changed files with 238 additions and 165 deletions
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3
setup.cfg
View file

@ -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

27
synapse/handlers/_base.py
View file

@ -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, ""),

26
synapse/handlers/auth.py
View file

@ -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)

23
synapse/handlers/federation.py
View file

@ -1706,13 +1706,15 @@ 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"]
@ -1754,12 +1756,13 @@ 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:

46
synapse/handlers/room_member.py
View file

@ -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" % (

49
synapse/handlers/sync.py
View file

@ -671,7 +671,8 @@ 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
@ -838,8 +839,11 @@ 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():
@ -850,9 +854,13 @@ 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,
@ -873,15 +881,18 @@ 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
@ -953,11 +964,13 @@ 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)

81
synapse/http/servlet.py
View file

@ -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.
"""

15
synapse/notifier.py
View file

@ -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)

8
synapse/push/baserules.py
View file

@ -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 = []

73
synapse/rest/client/v2_alpha/sync.py
View file

@ -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.

19
synapse/state.py
View file

@ -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 = {}

5
synapse/storage/event_push_actions.py
View file

@ -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:

15
synapse/storage/registration.py
View file

@ -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):

13
synapse/storage/state.py
View file

@ -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])