making jython-2.1 available for scripting

1 files changed, 54 insertions, 0 deletions

diff --git a/lib/jython/Lib/atexit.py b/lib/jython/Lib/atexit.py
new file mode 100644
index 000000000..8a1c10405
--- /dev/null
+++ b/lib/jython/Lib/atexit.py
@@ -0,0 +1,54 @@
+"""

+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")