cpython/Lib/test/test_atexit.py

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# Test the atexit module.
from test.test_support import TESTFN, vereq, is_jython
import atexit
from os import popen, unlink
import sys
executable = sys.executable
if is_jython:
executable = "jython"
input = """\
import atexit
def handler1():
print "handler1"
def handler2(*args, **kargs):
print "handler2", args, kargs
atexit.register(handler1)
atexit.register(handler2)
atexit.register(handler2, 7, kw="abc")
"""
fname = TESTFN + ".py"
f = file(fname, "w")
f.write(input)
f.close()
p = popen('"%s" %s' % (executable, fname))
output = p.read()
p.close()
vereq(output, """\
handler2 (7,) {'kw': 'abc'}
handler2 () {}
handler1
""")
input = """\
def direct():
print "direct exit"
import sys
sys.exitfunc = direct
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# Make sure atexit doesn't drop
def indirect():
print "indirect exit"
import atexit
atexit.register(indirect)
"""
f = file(fname, "w")
f.write(input)
f.close()
p = popen('"%s" %s' % (executable, fname))
output = p.read()
p.close()
vereq(output, """\
indirect exit
direct exit
""")
unlink(fname)