AppPkg/Applications/Python/Python-2.7.10: Initial Checkin part 4/5.

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.10 / Lib / atexit.py

diff --git a/AppPkg/Applications/Python/Python-2.7.10/Lib/atexit.py b/AppPkg/Applications/Python/Python-2.7.10/Lib/atexit.py
new file mode 100644 (file)
index 0000000..6c2769c
--- /dev/null
+++ b/AppPkg/Applications/Python/Python-2.7.10/Lib/atexit.py
@@ -0,0 +1,65 @@
+"""\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