/usr/lib/python3/dist-packages/pykka/eventlet.py is in python3-pykka 1.2.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | from __future__ import absolute_import
import sys
import eventlet
import eventlet.event
import eventlet.queue
from pykka import Timeout
from pykka.actor import Actor
from pykka.future import Future
__all__ = [
'EventletActor',
'EventletEvent',
'EventletFuture',
]
class EventletEvent(eventlet.event.Event):
"""
:class:`EventletEvent` adapts :class:`eventlet.event.Event` to
:class:`threading.Event` interface.
"""
def set(self):
if self.ready():
self.reset()
self.send()
def is_set(self):
return self.ready()
isSet = is_set
def clear(self):
if self.ready():
self.reset()
def wait(self, timeout):
if timeout is not None:
wait_timeout = eventlet.Timeout(timeout)
try:
with wait_timeout:
super(EventletEvent, self).wait()
except eventlet.Timeout as t:
if t is not wait_timeout:
raise
return False
else:
self.event.wait()
return True
class EventletFuture(Future):
"""
:class:`EventletFuture` implements :class:`pykka.Future` for use with
:class:`EventletActor`.
"""
event = None
def __init__(self):
super(EventletFuture, self).__init__()
self.event = eventlet.event.Event()
def get(self, timeout=None):
try:
return super(EventletFuture, self).get(timeout=timeout)
except NotImplementedError:
pass
if timeout is not None:
wait_timeout = eventlet.Timeout(timeout)
try:
with wait_timeout:
return self.event.wait()
except eventlet.Timeout as t:
if t is not wait_timeout:
raise
raise Timeout(t)
else:
return self.event.wait()
def set(self, value=None):
self.event.send(value)
def set_exception(self, exc_info=None):
if isinstance(exc_info, BaseException):
exc_info = (exc_info,)
self.event.send_exception(*(exc_info or sys.exc_info()))
class EventletActor(Actor):
"""
:class:`EventletActor` implements :class:`pykka.Actor` using the `eventlet
<http://eventlet.net/>`_ library.
This implementation uses eventlet green threads.
"""
@staticmethod
def _create_actor_inbox():
return eventlet.queue.Queue()
@staticmethod
def _create_future():
return EventletFuture()
def _start_actor_loop(self):
eventlet.greenthread.spawn(self._actor_loop)
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