Staging
v0.8.1
v0.8.1
https://github.com/python/cpython
Revision 9ea60c51bb357f6e0525bbd3fa66890aa8d2d59e authored by Guido van Rossum on 13 April 2001, 15:04:00 UTC, committed by Guido van Rossum on 13 April 2001, 15:04:00 UTC
- Removed the subsection numbering in section B (each time a new license is inserted in the front, the others have to be renumbered). - Changed the words in the intro to avoid implying that 1.6.1 is GPL-compatible.
1 parent 6191a23
Tip revision: 9ea60c51bb357f6e0525bbd3fa66890aa8d2d59e authored by Guido van Rossum on 13 April 2001, 15:04:00 UTC
- Inserted the (tentative) PSF license.
- Inserted the (tentative) PSF license.
Tip revision: 9ea60c5
atexit.py
"""
atexit.py - allow programmer to define multiple exit functions to be executed
upon normal program termination.
One public function, register, is defined.
"""
__all__ = ["register"]
_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
except AttributeError:
sys.exitfunc = _run_exitfuncs
else:
# 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)
del sys
if __name__ == "__main__":
def x1():
print "running x1"
def x2(n):
print "running x2(%s)" % `n`
def x3(n, kwd=None):
print "running x3(%s, kwd=%s)" % (`n`, `kwd`)
register(x1)
register(x2, 12)
register(x3, 5, "bar")
register(x3, "no kwd args")
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