gh-127413: allow to show specialized bytecode via `dis` CLI by picnixz · Pull Request #127414 · python/cpython · GitHub

Issue: Allow to show specialized bytecode via dis CLI #127413

📚 Documentation preview 📚: https://cpython-previews--127414.org.readthedocs.build/

Are there any tests for dis on command line?

Are there any tests for dis on command line?

I couldn't find any in test_dis.py.

Are there any tests for dis on command line?

I couldn't find any in test_dis.py.

Please make an issue to add some.

There's a merge conflict, but otherwise LGTM.

This line was added after I fixed the conflict. Since we put two blank lines between sections, I think it's ok to keep but I can revert it.

(At some point, we'll need a copy-edit because the above sections are not splitted with double lines while the sections below are... But since most of the sections have two blank lines, it's easier to add them to places that lack them).

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Debian root 3.x has failed when building commit 67b9a53.

What do you need to do:

Don't panic.
Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/345/builds/9663) and take a look at the build logs.
Check if the failure is related to this commit (67b9a53) or if it is a false positive.
If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/345/builds/9663

Failed tests:

test.test_multiprocessing_fork.test_misc

Failed subtests:

test_large_pool - test.test_multiprocessing_fork.test_misc.MiscTestCase.test_large_pool

Summary of the results of the build (if available):

==

Click to see traceback logs

Traceback (most recent call last):
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/_test_multiprocessing.py", line 6586, in test_large_pool
    rc, out, err = script_helper.assert_python_ok(testfn)
                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/script_helper.py", line 182, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/script_helper.py", line 167, in _assert_python
    res.fail(cmd_line)
    ~~~~~~~~^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/script_helper.py", line 80, in fail
    raise AssertionError(f"Process return code is {exitcode}\n"
    ...<10 lines>...
                         f"---")
AssertionError: Process return code is 1
command line: ['/root/buildarea/3.x.angelico-debian-amd64/build/python', '-X', 'faulthandler', '-I', '@test_2552412_tmpæ']


Traceback (most recent call last):
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/_test_multiprocessing.py", line 6586, in test_large_pool
    rc, out, err = script_helper.assert_python_ok(testfn)
                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/script_helper.py", line 182, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/script_helper.py", line 167, in _assert_python
    res.fail(cmd_line)
    ~~~~~~~~^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/script_helper.py", line 80, in fail
    raise AssertionError(f"Process return code is {exitcode}\n"
    ...<10 lines>...
                         f"---")
AssertionError: Process return code is 1
command line: ['/root/buildarea/3.x.angelico-debian-amd64/build/python', '-X', 'faulthandler', '-I', '@test_2518071_tmpæ']


Traceback (most recent call last):
  File "<string>", line 1, in <module>
    from multiprocessing.forkserver import main; main(10, 11, ['__main__'], **{'sys_path': ['/root/buildarea/3.x.angelico-debian-amd64/build/target/lib/python314.zip', '/root/buildarea/3.x.angelico-debian-amd64/build/Lib', '/root/buildarea/3.x.angelico-debian-amd64/build/build/lib.linux-x86_64-3.14'], 'authkey_r': 13})
                                                 ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/forkserver.py", line 324, in main
    pid = os.fork()
OSError: [Errno 12] Cannot allocate memory
Traceback (most recent call last):
  File "/root/buildarea/3.x.angelico-debian-amd64/build/build/test_python_2518071æ/@test_2518071_tmpæ", line 4, in <module>
    with multiprocessing.Pool(200) as p:
         ~~~~~~~~~~~~~~~~~~~~^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
                context=self.get_context())
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/pool.py", line 215, in __init__
    self._repopulate_pool()
    ~~~~~~~~~~~~~~~~~~~~~^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/pool.py", line 306, in _repopulate_pool
    return self._repopulate_pool_static(self._ctx, self.Process,
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
                                        self._processes,
                                        ^^^^^^^^^^^^^^^^
    ...<3 lines>...
                                        self._maxtasksperchild,
                                        ^^^^^^^^^^^^^^^^^^^^^^^
                                        self._wrap_exception)
                                        ^^^^^^^^^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/pool.py", line 329, in _repopulate_pool_static
    w.start()
    ~~~~~~~^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/process.py", line 121, in start
    self._popen = self._Popen(self)
                  ~~~~~~~~~~~^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/context.py", line 300, in _Popen
    return Popen(process_obj)
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/popen_forkserver.py", line 35, in __init__
    super().__init__(process_obj)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/popen_fork.py", line 20, in __init__
    self._launch(process_obj)
    ~~~~~~~~~~~~^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/popen_forkserver.py", line 59, in _launch
    self.pid = forkserver.read_signed(self.sentinel)
               ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/forkserver.py", line 390, in read_signed
    raise EOFError('unexpected EOF')
EOFError: unexpected EOF
---


Traceback (most recent call last):
  File "<string>", line 1, in <module>
    from multiprocessing.forkserver import main; main(10, 11, ['__main__'], **{'sys_path': ['/root/buildarea/3.x.angelico-debian-amd64/build/target/lib/python314.zip', '/root/buildarea/3.x.angelico-debian-amd64/build/Lib', '/root/buildarea/3.x.angelico-debian-amd64/build/build/lib.linux-x86_64-3.14'], 'authkey_r': 13})
                                                 ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/forkserver.py", line 324, in main
    pid = os.fork()
OSError: [Errno 12] Cannot allocate memory
Traceback (most recent call last):
  File "/root/buildarea/3.x.angelico-debian-amd64/build/build/test_python_2552412æ/@test_2552412_tmpæ", line 4, in <module>
    with multiprocessing.Pool(200) as p:
         ~~~~~~~~~~~~~~~~~~~~^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
                context=self.get_context())
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/pool.py", line 215, in __init__
    self._repopulate_pool()
    ~~~~~~~~~~~~~~~~~~~~~^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/pool.py", line 306, in _repopulate_pool
    return self._repopulate_pool_static(self._ctx, self.Process,
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
                                        self._processes,
                                        ^^^^^^^^^^^^^^^^
    ...<3 lines>...
                                        self._maxtasksperchild,
                                        ^^^^^^^^^^^^^^^^^^^^^^^
                                        self._wrap_exception)
                                        ^^^^^^^^^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/pool.py", line 329, in _repopulate_pool_static
    w.start()
    ~~~~~~~^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/process.py", line 121, in start
    self._popen = self._Popen(self)
                  ~~~~~~~~~~~^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/context.py", line 300, in _Popen
    return Popen(process_obj)
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/popen_forkserver.py", line 35, in __init__
    super().__init__(process_obj)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/popen_fork.py", line 20, in __init__
    self._launch(process_obj)
    ~~~~~~~~~~~~^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/popen_forkserver.py", line 59, in _launch
    self.pid = forkserver.read_signed(self.sentinel)
               ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
  File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/multiprocessing/forkserver.py", line 390, in read_signed
    raise EOFError('unexpected EOF')
EOFError: unexpected EOF
---

…thon#127414)

picnixz added 3 commits November 19, 2024 17:11

allow dis CLI to show specialized bytecode

f7991ff

Merge branch 'main' into feat/dis/adaptive-cli-127413

652986b

blurb

37825e7

bedevere-app Bot mentioned this pull request Nov 29, 2024

Allow to show specialized bytecode via dis CLI #127413

Closed

bedevere-app Bot added the awaiting review label Nov 29, 2024

picnixz requested a review from iritkatriel November 29, 2024 13:47

iritkatriel approved these changes Dec 5, 2024

View reviewed changes

bedevere-app Bot added awaiting merge and removed awaiting review labels Dec 5, 2024

Merge branch 'main' into feat/dis/adaptive-cli-127413

92a84db

picnixz commented Dec 5, 2024

View reviewed changes

picnixz mentioned this pull request Dec 5, 2024

Add tests for dis command-line interface #127637

Closed

iritkatriel enabled auto-merge (squash) December 5, 2024 14:46

iritkatriel merged commit 67b9a53 into python:main Dec 5, 2024

bedevere-app Bot removed the awaiting merge label Dec 5, 2024

picnixz deleted the feat/dis/adaptive-cli-127413 branch December 5, 2024 15:03

srinivasreddy pushed a commit to srinivasreddy/cpython that referenced this pull request Jan 8, 2025

pythongh-127413 : allow to show specialized bytecode via dis CLI (py…

ead403b

…thon#127414)

gh-127413: allow to show specialized bytecode via `dis` CLI by picnixz · Pull Request #127414 · python/cpython · GitHub

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gh-127413: allow to show specialized bytecode via dis CLI - #127414

gh-127413: allow to show specialized bytecode via dis CLI#127414
iritkatriel merged 4 commits into
python:mainfrom
picnixz:feat/dis/adaptive-cli-127413

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		* Add :data:`errno.EHWPOISON` error code.
		(Contributed by James Roy in :gh:`126585`.)

gh-127413: allow to show specialized bytecode via `dis` CLI by picnixz · Pull Request #127414 · python/cpython · GitHub

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gh-127413: allow to show specialized bytecode via dis CLI - #127414

gh-127413: allow to show specialized bytecode via dis CLI#127414iritkatriel merged 4 commits intopython:mainpython/cpython:mainfrom picnixz:feat/dis/adaptive-cli-127413picnixz/cpython:feat/dis/adaptive-cli-127413Copy head branch name to clipboard

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gh-127413: allow to show specialized bytecode via dis CLI#127414
iritkatriel merged 4 commits into
python:mainfrom
picnixz:feat/dis/adaptive-cli-127413

picnixz commented Nov 29, 2024 •
edited by github-actions Bot
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