author | mikek |
Mon, 17 May 2010 18:37:02 +0100 | |
changeset 16 | ccc8ba7d117c |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
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# This is a helper module for test_threaded_import. The test imports this |
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# module, and this module tries to run various Python library functions in |
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# their own thread, as a side effect of being imported. If the spawned |
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# thread doesn't complete in TIMEOUT seconds, an "appeared to hang" message |
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# is appended to the module-global `errors` list. That list remains empty |
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# if (and only if) all functions tested complete. |
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TIMEOUT = 10 |
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import threading |
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import tempfile |
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import os.path |
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errors = [] |
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# This class merely runs a function in its own thread T. The thread importing |
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# this module holds the import lock, so if the function called by T tries |
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# to do its own imports it will block waiting for this module's import |
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# to complete. |
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class Worker(threading.Thread): |
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def __init__(self, function, args): |
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threading.Thread.__init__(self) |
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self.function = function |
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self.args = args |
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def run(self): |
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self.function(*self.args) |
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for name, func, args in [ |
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# Bug 147376: TemporaryFile hung on Windows, starting in Python 2.4. |
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("tempfile.TemporaryFile", tempfile.TemporaryFile, ()), |
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# The real cause for bug 147376: ntpath.abspath() caused the hang. |
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("os.path.abspath", os.path.abspath, ('.',)), |
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]: |
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t = Worker(func, args) |
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t.start() |
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t.join(TIMEOUT) |
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if t.is_alive(): |
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errors.append("%s appeared to hang" % name) |