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, 2009, 2010 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 
13  # without limitation the rights to use, copy, modify, merge, publish, 
14  # distribute, sublicense, and/or sell copies of the Software, and to 
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 5023 2010/06/14 22:05:46 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          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   
73  # Local Variables: 
74  # tab-width:4 
75  # indent-tabs-mode:nil 
76  # End: 
77  # vim: set expandtab tabstop=4 shiftwidth=4: 
78