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bazarr/libs/socketio/asyncio_namespace.py

229 lines
9.2 KiB

5 years ago
import asyncio
from socketio import namespace
class AsyncNamespace(namespace.Namespace):
"""Base class for asyncio server-side class-based namespaces.
A class-based namespace is a class that contains all the event handlers
for a Socket.IO namespace. The event handlers are methods of the class
with the prefix ``on_``, such as ``on_connect``, ``on_disconnect``,
``on_message``, ``on_json``, and so on. These can be regular functions or
coroutines.
:param namespace: The Socket.IO namespace to be used with all the event
handlers defined in this class. If this argument is
omitted, the default namespace is used.
"""
def is_asyncio_based(self):
return True
async def trigger_event(self, event, *args):
"""Dispatch an event to the proper handler method.
In the most common usage, this method is not overloaded by subclasses,
as it performs the routing of events to methods. However, this
method can be overridden if special dispatching rules are needed, or if
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having a single method that catches all events is desired.
Note: this method is a coroutine.
"""
handler_name = 'on_' + event
if hasattr(self, handler_name):
handler = getattr(self, handler_name)
if asyncio.iscoroutinefunction(handler) is True:
try:
ret = await handler(*args)
except asyncio.CancelledError: # pragma: no cover
ret = None
else:
ret = handler(*args)
return ret
async def emit(self, event, data=None, to=None, room=None, skip_sid=None,
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namespace=None, callback=None):
"""Emit a custom event to one or more connected clients.
The only difference with the :func:`socketio.Server.emit` method is
that when the ``namespace`` argument is not given the namespace
associated with the class is used.
Note: this method is a coroutine.
"""
return await self.server.emit(event, data=data, to=to, room=room,
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skip_sid=skip_sid,
namespace=namespace or self.namespace,
callback=callback)
async def send(self, data, to=None, room=None, skip_sid=None,
namespace=None, callback=None):
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"""Send a message to one or more connected clients.
The only difference with the :func:`socketio.Server.send` method is
that when the ``namespace`` argument is not given the namespace
associated with the class is used.
Note: this method is a coroutine.
"""
return await self.server.send(data, to=to, room=room,
skip_sid=skip_sid,
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namespace=namespace or self.namespace,
callback=callback)
async def call(self, event, data=None, to=None, sid=None, namespace=None,
timeout=None):
"""Emit a custom event to a client and wait for the response.
The only difference with the :func:`socketio.Server.call` method is
that when the ``namespace`` argument is not given the namespace
associated with the class is used.
"""
return await self.server.call(event, data=data, to=to, sid=sid,
namespace=namespace or self.namespace,
timeout=timeout)
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async def close_room(self, room, namespace=None):
"""Close a room.
The only difference with the :func:`socketio.Server.close_room` method
is that when the ``namespace`` argument is not given the namespace
associated with the class is used.
Note: this method is a coroutine.
"""
return await self.server.close_room(
room, namespace=namespace or self.namespace)
async def get_session(self, sid, namespace=None):
"""Return the user session for a client.
The only difference with the :func:`socketio.Server.get_session`
method is that when the ``namespace`` argument is not given the
namespace associated with the class is used.
Note: this method is a coroutine.
"""
return await self.server.get_session(
sid, namespace=namespace or self.namespace)
async def save_session(self, sid, session, namespace=None):
"""Store the user session for a client.
The only difference with the :func:`socketio.Server.save_session`
method is that when the ``namespace`` argument is not given the
namespace associated with the class is used.
Note: this method is a coroutine.
"""
return await self.server.save_session(
sid, session, namespace=namespace or self.namespace)
def session(self, sid, namespace=None):
"""Return the user session for a client with context manager syntax.
The only difference with the :func:`socketio.Server.session` method is
that when the ``namespace`` argument is not given the namespace
associated with the class is used.
"""
return self.server.session(sid, namespace=namespace or self.namespace)
async def disconnect(self, sid, namespace=None):
"""Disconnect a client.
The only difference with the :func:`socketio.Server.disconnect` method
is that when the ``namespace`` argument is not given the namespace
associated with the class is used.
Note: this method is a coroutine.
"""
return await self.server.disconnect(
sid, namespace=namespace or self.namespace)
class AsyncClientNamespace(namespace.ClientNamespace):
"""Base class for asyncio client-side class-based namespaces.
A class-based namespace is a class that contains all the event handlers
for a Socket.IO namespace. The event handlers are methods of the class
with the prefix ``on_``, such as ``on_connect``, ``on_disconnect``,
``on_message``, ``on_json``, and so on. These can be regular functions or
coroutines.
:param namespace: The Socket.IO namespace to be used with all the event
handlers defined in this class. If this argument is
omitted, the default namespace is used.
"""
def is_asyncio_based(self):
return True
async def trigger_event(self, event, *args):
"""Dispatch an event to the proper handler method.
In the most common usage, this method is not overloaded by subclasses,
as it performs the routing of events to methods. However, this
method can be overridden if special dispatching rules are needed, or if
5 years ago
having a single method that catches all events is desired.
Note: this method is a coroutine.
"""
handler_name = 'on_' + event
if hasattr(self, handler_name):
handler = getattr(self, handler_name)
if asyncio.iscoroutinefunction(handler) is True:
try:
ret = await handler(*args)
except asyncio.CancelledError: # pragma: no cover
ret = None
else:
ret = handler(*args)
return ret
async def emit(self, event, data=None, namespace=None, callback=None):
"""Emit a custom event to the server.
The only difference with the :func:`socketio.Client.emit` method is
that when the ``namespace`` argument is not given the namespace
associated with the class is used.
Note: this method is a coroutine.
"""
return await self.client.emit(event, data=data,
namespace=namespace or self.namespace,
callback=callback)
async def send(self, data, namespace=None, callback=None):
"""Send a message to the server.
The only difference with the :func:`socketio.Client.send` method is
that when the ``namespace`` argument is not given the namespace
associated with the class is used.
Note: this method is a coroutine.
"""
return await self.client.send(data,
namespace=namespace or self.namespace,
callback=callback)
async def call(self, event, data=None, namespace=None, timeout=None):
"""Emit a custom event to the server and wait for the response.
The only difference with the :func:`socketio.Client.call` method is
that when the ``namespace`` argument is not given the namespace
associated with the class is used.
"""
return await self.client.call(event, data=data,
namespace=namespace or self.namespace,
timeout=timeout)
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async def disconnect(self):
"""Disconnect a client.
The only difference with the :func:`socketio.Client.disconnect` method
is that when the ``namespace`` argument is not given the namespace
associated with the class is used.
Note: this method is a coroutine.
"""
return await self.client.disconnect()