New submission from Steven:
Called subprocess.Popen("python_file.py", shell=True).wait(), which triggered a
call to `Base.metadata.create_all(engine)` inside `python_file.py`
This caused nothing after the `create_all(engine)` call to execute in
`python_file.py` But, if I changed `subprocess.Popen` to
`subprocess.check_call("python_file", shell=True).wait()`, the desired behavior
was achieved.
I was able to continue past `create_all(engine)` if there was an error in the
parent script after the subprocess call. In this case, then `python_file.py`
was able to execute fully as expected.
----------
components: Library (Lib)
messages: 282804
nosy: s1113950
priority: normal
severity: normal
status: open
title: subprocess.Popen + Sqlalchemy doesn't wait for process
type: behavior
versions: Python 2.7
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Python tracker <[email protected]>
<http://bugs.python.org/issue28926>
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