42 lines
1.7 KiB
Python
42 lines
1.7 KiB
Python
"""\
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Copyright (c) 2005-2006, Bob Ippolito
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Copyright (c) 2007, Linden Research, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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"""
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from eventlet.api import Greenlet
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class SwitchingToDeadGreenlet(Exception):
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pass
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def switch(other=None, value=None, exc=None):
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self = Greenlet.getcurrent()
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if other is None:
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other = self.parent
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if other is None:
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other = self
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if not (other or hasattr(other, 'run')):
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raise SwitchingToDeadGreenlet("Switching to dead greenlet %r %r %r" % (other, value, exc))
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if exc:
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return other.throw(exc)
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else:
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return other.switch(value)
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import warnings
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warnings.warn("greenlib is deprecated; use greenlet methods directly", DeprecationWarning, stacklevel=2)
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