8000 bpo-32146: multiprocessing freeze_support needed outside win32 by bbayles · Pull Request #5195 · python/cpython · GitHub
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bpo-32146: multiprocessing freeze_support needed outside win32 #5195

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bpo-32146: multiprocessing freeze_support needed outside win32 #5195

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7b90728
bpo-32146: freeze_support can apply to non-Windows platforms also
bbayles Jan 11, 2018
b0d30bc
bpo-32146: Provisional fix for non-Windows executables (spawn)
bbayles Jan 13, 2018
8baf4e4
bpo-32146: Provisional fix for non-Windows executables (forkserver)
bbayles Jan 14, 2018
64456d9
bpo-32146: Move commandline checks to separate functions
bbayles Jan 14, 2018
748c2f1
bpo-32146: Add Misc/NEWS entry for freeze_support enhancements
bbayles Jan 14, 2018
3a0964a
bpo-32146: Use dummy --multiprocessing- command line arguments
bbayles Jan 14, 2018
7b49c00
bpo-32146: Only use special command line arguments when frozen
bbayles Jan 15, 2018
26a6313
bpo-32146: Factor out command line manipulation for testing
bbayles Jan 15, 2018
afdd553
bpo-32146: Add note to docs about freeze_support on Unix
bbayles Jan 15, 2018
d72742d
bpo-32146: Add missing backtick
bbayles Jan 15, 2018
97e6a9d
bpo-32146: Fix and add test for extra preload modules
bbayles Jan 16, 2018
f0ca86b
bpo-32146: Fix up comments
bbayles Jan 29, 2018
fce2afc
Merge branch 'master' into unix-freezesupport-3.7
bbayles Jul 13, 2018
5a8e3c8
Merge remote-tracking branch 'upstream/master' into unix-freezesuppor…
bbayles Jul 15, 2018
23e9c64
Merge branch 'master' into unix-freezesupport-3.7
bbayles Jan 11, 2019
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bpo-32146: Fix and add test for extra preload modules
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@bbayles
bbayles committed Jan 16, 2018
commit 97e6a9d748902353cfb4e730c471ff05810ca160
10 changes: 3 additions & 7 deletions Lib/multiprocessing/spawn.py
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Expand Up @@ -112,13 +112,9 @@ def get_forkserver_args(argv):
# listener_fd and alive_r are integers
# preload is a list
# kwds map strings to lists
main_args = argv[-1].split('main(')[1].rsplit(')', 1)[0].split(', ', 3)
listener_fd = int(main_args[0])
alive_r = int(main_args[1])
preload = ast.literal_eval(main_args[2])

args = [listener_fd, alive_r, preload]
kwds = ast.literal_eval(main_args[3][2:])
parsed = ast.parse(argv[-1])
args = [ast.literal_eval(parsed.body[1].value.args[i]) for i in range(3)]
kwds = ast.literal_eval(parsed.body[1].value.keywords[0].value)
return args, kwds


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4 changes: 2 additions & 2 deletions Lib/test/_test_multiprocessing.py
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Expand Up @@ -4554,12 +4554,12 @@ def test_get_forkserver_args(self):
'--multiprocessing-forkserver',
(
"from multiprocessing.forkserver import main; "
"main(8, 9, ['__main__'], "
"main(8, 9, ['__main__', 'other'], "
"**{'sys_path': ['/embed/lib', '/embed/lib/library.zip']})"
)
]
arg 4D4C s, kwds = self.module.get_forkserver_args(argv)
self.assertEqual(args, [8, 9, ['__main__']])
self.assertEqual(args, [8, 9, ['__main__', 'other']])
self.assertEqual(
kwds, {'sys_path': ['/embed/lib', '/embed/lib/library.zip']}
)
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0