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55 lines
1.7 KiB
55 lines
1.7 KiB
from __future__ import absolute_import
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from eventlet.green.threading import Event
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from eventlet import queue, sleep, spawn
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from eventlet.websocket import WebSocketWSGI as _WebSocketWSGI
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class EventletThread: # pragma: no cover
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"""Thread class that uses eventlet green threads.
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Eventlet's own Thread class has a strange bug that causes _DummyThread
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objects to be created and leaked, since they are never garbage collected.
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"""
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def __init__(self, target, args=None, kwargs=None):
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self.target = target
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self.args = args or ()
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self.kwargs = kwargs or {}
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self.g = None
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def start(self):
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self.g = spawn(self.target, *self.args, **self.kwargs)
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def join(self):
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if self.g:
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return self.g.wait()
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class WebSocketWSGI(_WebSocketWSGI):
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def __init__(self, handler, server):
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try:
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super().__init__(
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handler, max_frame_length=int(server.max_http_buffer_size))
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except TypeError: # pragma: no cover
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# older versions of eventlet do not support a max frame size
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super().__init__(handler)
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self._sock = None
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def __call__(self, environ, start_response):
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if 'eventlet.input' not in environ:
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raise RuntimeError('You need to use the eventlet server. '
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'See the Deployment section of the '
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'documentation for more information.')
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self._sock = environ['eventlet.input'].get_socket()
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return super().__call__(environ, start_response)
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_async = {
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'thread': EventletThread,
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'queue': queue.Queue,
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'queue_empty': queue.Empty,
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'event': Event,
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'websocket': WebSocketWSGI,
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'sleep': sleep,
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}
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