exitfuncs.py.svn-base
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上传日期:2018-11-18
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- """SCons.exitfuncs
- Register functions which are executed when SCons exits for any reason.
- """
- #
- # Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation
- #
- # 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.
- #
- __revision__ = "src/engine/SCons/exitfuncs.py 3057 2008/06/09 22:21:00 knight"
- _exithandlers = []
- def _run_exitfuncs():
- """run any registered exit functions
- _exithandlers is traversed in reverse order so functions are executed
- last in, first out.
- """
- while _exithandlers:
- func, targs, kargs = _exithandlers.pop()
- apply(func, targs, kargs)
- def register(func, *targs, **kargs):
- """register a function to be executed upon normal program termination
- func - function to be called at exit
- targs - optional arguments to pass to func
- kargs - optional keyword arguments to pass to func
- """
- _exithandlers.append((func, targs, kargs))
- import sys
- try:
- x = sys.exitfunc
- # if x isn't our own exit func executive, assume it's another
- # registered exit function - append it to our list...
- if x != _run_exitfuncs:
- register(x)
- except AttributeError:
- pass
- # make our exit function get run by python when it exits:
- sys.exitfunc = _run_exitfuncs
- del sys