Package SCons :: Module exitfuncs
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Source Code for Module SCons.exitfuncs

 1  """SCons.exitfuncs 
 2   
 3  Register functions which are executed when SCons exits for any reason. 
 4   
 5  """ 
 6   
 7  # 
 8  # Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation 
 9  # 
10  # Permission is hereby granted, free of charge, to any person obtaining 
11  # a copy of this software and associated documentation files (the 
12  # "Software"), to deal in the Software without restriction, including 
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15  # permit persons to whom the Software is furnished to do so, subject to 
16  # the following conditions: 
17  # 
18  # The above copyright notice and this permission notice shall be included 
19  # in all copies or substantial portions of the Software. 
20  # 
21  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY 
22  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
23  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
24  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 
25  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 
26  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
27  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 
28  # 
29   
30  __revision__ = "src/engine/SCons/exitfuncs.py 3842 2008/12/20 22:59:52 scons" 
31   
32   
33   
34  _exithandlers = [] 
35 -def _run_exitfuncs():
36 """run any registered exit functions 37 38 _exithandlers is traversed in reverse order so functions are executed 39 last in, first out. 40 """ 41 42 while _exithandlers: 43 func, targs, kargs = _exithandlers.pop() 44 apply(func, targs, kargs)
45
46 -def register(func, *targs, **kargs):
47 """register a function to be executed upon normal program termination 48 49 func - function to be called at exit 50 targs - optional arguments to pass to func 51 kargs - optional keyword arguments to pass to func 52 """ 53 _exithandlers.append((func, targs, kargs))
54 55 import sys 56 57 try: 58 x = sys.exitfunc 59 60 # if x isn't our own exit func executive, assume it's another 61 # registered exit function - append it to our list... 62 if x != _run_exitfuncs: 63 register(x) 64 65 except AttributeError: 66 pass 67 68 # make our exit function get run by python when it exits: 69 sys.exitfunc = _run_exitfuncs 70 71 del sys 72