mirror of
https://github.com/python/cpython.git
synced 2024-11-25 02:44:06 +08:00
46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
# This is a helper module for test_threaded_import. The test imports this
|
|
# module, and this module tries to run various Python library functions in
|
|
# their own thread, as a side effect of being imported. If the spawned
|
|
# thread doesn't complete in TIMEOUT seconds, an "appeared to hang" message
|
|
# is appended to the module-global `errors` list. That list remains empty
|
|
# if (and only if) all functions tested complete.
|
|
|
|
TIMEOUT = 10
|
|
|
|
import threading
|
|
|
|
import tempfile
|
|
import os.path
|
|
|
|
errors = []
|
|
|
|
# This class merely runs a function in its own thread T. The thread importing
|
|
# this module holds the import lock, so if the function called by T tries
|
|
# to do its own imports it will block waiting for this module's import
|
|
# to complete.
|
|
class Worker(threading.Thread):
|
|
def __init__(self, function, args):
|
|
threading.Thread.__init__(self)
|
|
self.function = function
|
|
self.args = args
|
|
|
|
def run(self):
|
|
self.function(*self.args)
|
|
|
|
for name, func, args in [
|
|
# Bug 147376: TemporaryFile hung on Windows, starting in Python 2.4.
|
|
("tempfile.TemporaryFile", lambda: tempfile.TemporaryFile().close(), ()),
|
|
|
|
# The real cause for bug 147376: ntpath.abspath() caused the hang.
|
|
("os.path.abspath", os.path.abspath, ('.',)),
|
|
]:
|
|
|
|
try:
|
|
t = Worker(func, args)
|
|
t.start()
|
|
t.join(TIMEOUT)
|
|
if t.is_alive():
|
|
errors.append("%s appeared to hang" % name)
|
|
finally:
|
|
del t
|