EmbeddedPkg: Extend NvVarStoreFormattedLib LIBRARY_CLASS

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.2 / Lib / atexit.py

"""\r
atexit.py - allow programmer to define multiple exit functions to be executed\r
upon normal program termination.\r
\r
One public function, register, is defined.\r
"""\r
\r
__all__ = ["register"]\r
\r
import sys\r
\r
_exithandlers = []\r
def _run_exitfuncs():\r
    """run any registered exit functions\r
\r
    _exithandlers is traversed in reverse order so functions are executed\r
    last in, first out.\r
    """\r
\r
    exc_info = None\r
    while _exithandlers:\r
        func, targs, kargs = _exithandlers.pop()\r
        try:\r
            func(*targs, **kargs)\r
        except SystemExit:\r
            exc_info = sys.exc_info()\r
        except:\r
            import traceback\r
            print >> sys.stderr, "Error in atexit._run_exitfuncs:"\r
            traceback.print_exc()\r
            exc_info = sys.exc_info()\r
\r
    if exc_info is not None:\r
        raise exc_info[0], exc_info[1], exc_info[2]\r
\r
\r
def register(func, *targs, **kargs):\r
    """register a function to be executed upon normal program termination\r
\r
    func - function to be called at exit\r
    targs - optional arguments to pass to func\r
    kargs - optional keyword arguments to pass to func\r
\r
    func is returned to facilitate usage as a decorator.\r
    """\r
    _exithandlers.append((func, targs, kargs))\r
    return func\r
\r
if hasattr(sys, "exitfunc"):\r
    # Assume it's another registered exit function - append it to our list\r
    register(sys.exitfunc)\r
sys.exitfunc = _run_exitfuncs\r
\r
if __name__ == "__main__":\r
    def x1():\r
        print "running x1"\r
    def x2(n):\r
        print "running x2(%r)" % (n,)\r
    def x3(n, kwd=None):\r
        print "running x3(%r, kwd=%r)" % (n, kwd)\r
\r
    register(x1)\r
    register(x2, 12)\r
    register(x3, 5, "bar")\r
    register(x3, "no kwd args")\r