64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
|
from __future__ import absolute_import
|
||
|
|
|
||
|
|
import gevent
|
||
|
|
from gevent import queue
|
||
|
|
from gevent.event import Event
|
||
|
|
try:
|
||
|
|
import geventwebsocket # noqa
|
||
|
|
_websocket_available = True
|
||
|
|
except ImportError:
|
||
|
|
_websocket_available = False
|
||
|
|
|
||
|
|
|
||
|
|
class Thread(gevent.Greenlet): # pragma: no cover
|
||
|
|
"""
|
||
|
|
This wrapper class provides gevent Greenlet interface that is compatible
|
||
|
|
with the standard library's Thread class.
|
||
|
|
"""
|
||
|
|
def __init__(self, target, args=[], kwargs={}):
|
||
|
|
super(Thread, self).__init__(target, *args, **kwargs)
|
||
|
|
|
||
|
|
def _run(self):
|
||
|
|
return self.run()
|
||
|
|
|
||
|
|
|
||
|
|
class WebSocketWSGI(object): # pragma: no cover
|
||
|
|
"""
|
||
|
|
This wrapper class provides a gevent WebSocket interface that is
|
||
|
|
compatible with eventlet's implementation.
|
||
|
|
"""
|
||
|
|
def __init__(self, app):
|
||
|
|
self.app = app
|
||
|
|
|
||
|
|
def __call__(self, environ, start_response):
|
||
|
|
if 'wsgi.websocket' not in environ:
|
||
|
|
raise RuntimeError('You need to use the gevent-websocket server. '
|
||
|
|
'See the Deployment section of the '
|
||
|
|
'documentation for more information.')
|
||
|
|
self._sock = environ['wsgi.websocket']
|
||
|
|
self.environ = environ
|
||
|
|
self.version = self._sock.version
|
||
|
|
self.path = self._sock.path
|
||
|
|
self.origin = self._sock.origin
|
||
|
|
self.protocol = self._sock.protocol
|
||
|
|
return self.app(self)
|
||
|
|
|
||
|
|
def close(self):
|
||
|
|
return self._sock.close()
|
||
|
|
|
||
|
|
def send(self, message):
|
||
|
|
return self._sock.send(message)
|
||
|
|
|
||
|
|
def wait(self):
|
||
|
|
return self._sock.receive()
|
||
|
|
|
||
|
|
|
||
|
|
_async = {
|
||
|
|
'thread': Thread,
|
||
|
|
'queue': queue.JoinableQueue,
|
||
|
|
'queue_empty': queue.Empty,
|
||
|
|
'event': Event,
|
||
|
|
'websocket': WebSocketWSGI if _websocket_available else None,
|
||
|
|
'sleep': gevent.sleep,
|
||
|
|
}
|