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bpo-30439: Add some helpful low-level functions for subinterpreters. #1802

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ericsnowcurrently wants to merge 28 commits into from
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bpo-30439: Add some helpful low-level functions for subinterpreters. #1802

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8eb5adf
Add the _interpreters module to the stdlib.
ericsnowcurrently Dec 14, 2016
457567f
Add create() and destroy().
ericsnowcurrently Dec 29, 2016
e6af9f3
Finish nearly all the create/destroy tests.
ericsnowcurrently Jan 1, 2017
335967e
Add run_string().
ericsnowcurrently Dec 29, 2016
d2df973
Get tricky tests working.
ericsnowcurrently Jan 2, 2017
b70a496
Add a test for a still running interpreter when main exits.
ericsnowcurrently Jan 2, 2017
6f2d28f
Add run_string_unrestricted().
ericsnowcurrently Jan 4, 2017
80a931b
Exit out of the child process.
ericsnowcurrently Jan 4, 2017
6aa7d9c
Resolve several TODOs.
ericsnowcurrently Jan 4, 2017
083e13c
Set up the execution namespace before switching threads.
ericsnowcurrently Jan 4, 2017
ce081a7
Run in a copy of __main__.
ericsnowcurrently Jan 4, 2017
ec05cf5
Close stdin and stdout after the proc finishes.
ericsnowcurrently Jan 4, 2017
fe90466
Clean up a test.
ericsnowcurrently Jan 4, 2017
9082017
Chain exceptions during cleanup.
ericsnowcurrently Jan 4, 2017
21865d4
Finish the module docs.
ericsnowcurrently Jan 4, 2017
0342a4f
Fix docs.
ericsnowcurrently May 23, 2017
e9d9b04
Fix includes.
ericsnowcurrently Dec 5, 2017
722ae94
Add _interpreters.is_shareable().
ericsnowcurrently Nov 28, 2017
061ae13
Add _PyObject_CheckShareable().
ericsnowcurrently Dec 4, 2017
9a365ec
Add _PyCrossInterpreterData.
ericsnowcurrently Dec 4, 2017
8f299d4
Use the shared data in run() safely.
ericsnowcurrently Dec 7, 2017
92029a1
Do not use a copy of the __main__ ns.
ericsnowcurrently Dec 7, 2017
52c9c2f
Never return the execution namespace.
ericsnowcurrently Dec 8, 2017
a797883
Group sharing-related code.
ericsnowcurrently Dec 8, 2017
777838a
Fix a refcount.
ericsnowcurrently Dec 8, 2017
ab8f175
Add get_current() and enumerate().
ericsnowcurrently Dec 29, 2016
c50c51c
Add is_running().
ericsnowcurrently Dec 29, 2016
271d20d
Add get_main().
ericsnowcurrently Jan 4, 2017
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Exit out of the child process.
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@ericsnowcurrently
ericsnowcurrently committed Dec 5, 2017
commit 80a931b42a67795528315eb2eb8e54ca2b941240
4 changes: 3 additions & 1 deletion Lib/test/test__interpreters.py
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Expand Up @@ -357,6 +357,9 @@ def test_fork(self):
with open(filename, 'w') as out:
out.write('{}')
os.write(w, b'done!')

# Kill the unittest runner in the child process.
os._exit(1)
else:
import select
try:
Expand All @@ -365,7 +368,6 @@ def test_fork(self):
os.close(r)
os.close(w)
""").format(filename, expected)
# XXX Kill the child process in a unittest-friendly way.
interpreters.run_string(self.id, script)
self.assert_file_contains(expected)

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