/usr/lib/python2.7/dist-packages/autobahn/twisted/util.py is in python-autobahn 0.10.3+dfsg1-5.
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#
# The MIT License (MIT)
#
# Copyright (c) Tavendo GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
from __future__ import absolute_import
from twisted.internet.defer import Deferred
from twisted.internet.address import IPv4Address, UNIXAddress
try:
from twisted.internet.address import IPv6Address
_HAS_IPV6 = True
except ImportError:
_HAS_IPV6 = False
__all = (
'sleep',
'peer2str'
)
def sleep(delay, reactor=None):
"""
Inline sleep for use in coroutines (Twisted ``inlineCallback`` decorated functions).
.. seealso::
* `twisted.internet.defer.inlineCallbacks <http://twistedmatrix.com/documents/current/api/twisted.internet.defer.html#inlineCallbacks>`__
* `twisted.internet.interfaces.IReactorTime <http://twistedmatrix.com/documents/current/api/twisted.internet.interfaces.IReactorTime.html>`__
:param delay: Time to sleep in seconds.
:type delay: float
:param reactor: The Twisted reactor to use.
:type reactor: None or provider of ``IReactorTime``.
"""
if not reactor:
from twisted.internet import reactor
d = Deferred()
reactor.callLater(delay, d.callback, None)
return d
def peer2str(addr):
"""
Convert a Twisted address, as returned from ``self.transport.getPeer()`` to a string
"""
if isinstance(addr, IPv4Address):
res = "tcp4:{0}:{1}".format(addr.host, addr.port)
elif _HAS_IPV6 and isinstance(addr, IPv6Address):
res = "tcp6:{0}:{1}".format(addr.host, addr.port)
elif isinstance(addr, UNIXAddress):
res = "unix:{0}".format(addr.name)
else:
# gracefully fallback if we can't map the peer's address
res = "?:{0}".format(addr)
return res
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