[3.13] gh-138860: Lazy import rlcompleter in pdb to avoid deadlock in…

[gaogaotiantian]

… subprocess (GH-139185)

(cherry picked from commit c8624cd)

• Issue: pdb does not lazy-import rlcompleter, leading to non-lazy import of readline #138860

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x RHEL9 Refleaks 3.13 (tier-3) has failed when building commit dbe4690.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1575/builds/1183) and take a look at the build logs.
4. Check if the failure is related to this commit (dbe4690) or if it is a false positive.
5. 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/1575/builds/1183

Failed tests:

• test_zipimport
• test_os

Failed subtests:

• test_timerfd_ns_select - test.test_os.TimerfdTests.test_timerfd_ns_select

Test leaking resources:

• test_zipimport: references
• test_zipimport: memory blocks

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

==

Click to see traceback logs

Traceback (test.test_zipimport.CompressedZipImportTestCase.testTraceback) ... ok


Traceback (test.test_zipimport.UncompressedZipImportTestCase.testTraceback) ... ok


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.13.cstratak-rhel9-s390x.refleak/build/Lib/test/test_os.py", line 4447, in test_timerfd_ns_select
    self.assertEqual(self.read_count_signaled(fd), 1)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 2 != 1

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 CentOS9 NoGIL Refleaks 3.13 (tier-1) has failed when building commit dbe4690.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1605/builds/1164) and take a look at the build logs.
4. Check if the failure is related to this commit (dbe4690) or if it is a false positive.
5. 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/1605/builds/1164

Failed tests:

• test_zipimport

Test leaking resources:

• test_zipimport: references
• test_zipimport: memory blocks

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

==

Click to see traceback logs

Traceback (test.test_zipimport.CompressedZipImportTestCase.testTraceback) ... ok


Traceback (test.test_zipimport.UncompressedZipImportTestCase.testTraceback) ... ok

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x RHEL8 Refleaks 3.13 (tier-3) has failed when building commit dbe4690.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1440/builds/1267) and take a look at the build logs.
4. Check if the failure is related to this commit (dbe4690) or if it is a false positive.
5. 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/1440/builds/1267

Failed tests:

• test_zipimport

Test leaking resources:

• test_zipimport: references
• test_zipimport: memory blocks

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

==

Click to see traceback logs

Traceback (test.test_zipimport.CompressedZipImportTestCase.testTraceback) ... ok


Traceback (test.test_zipimport.UncompressedZipImportTestCase.testTraceback) ... ok

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 RHEL8 Refleaks 3.13 (tier-1) has failed when building commit dbe4690.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1385/builds/1260) and take a look at the build logs.
4. Check if the failure is related to this commit (dbe4690) or if it is a false positive.
5. 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/1385/builds/1260

Failed tests:

• test_zipimport

Test leaking resources:

• test_zipimport: references
• test_zipimport: memory blocks

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

==

Click to see traceback logs

Traceback (test.test_zipimport.CompressedZipImportTestCase.testTraceback) ... ok


Traceback (test.test_zipimport.UncompressedZipImportTestCase.testTraceback) ... ok

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 FreeBSD Refleaks 3.13 (tier-3) has failed when building commit dbe4690.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1615/builds/1147) and take a look at the build logs.
4. Check if the failure is related to this commit (dbe4690) or if it is a false positive.
5. 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/1615/builds/1147

Failed tests:

• test_zipimport

Test leaking resources:

• test_zipimport: references
• test_zipimport: memory blocks

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

==

Click to see traceback logs

Traceback (test.test_zipimport.CompressedZipImportTestCase.testTraceback) ... ok


Traceback (test.test_zipimport.UncompressedZipImportTestCase.testTraceback) ... ok

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x Fedora Stable Refleaks 3.13 (tier-3) has failed when building commit dbe4690.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1662/builds/509) and take a look at the build logs.
4. Check if the failure is related to this commit (dbe4690) or if it is a false positive.
5. 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/1662/builds/509

Failed tests:

• test_zipimport
• test.test_asyncio.test_ssl

Failed subtests:

• test_remote_shutdown_receives_trailing_data_on_slow_socket - test.test_asyncio.test_ssl.TestSSL.test_remote_shutdown_receives_trailing_data_on_slow_socket

Test leaking resources:

• test_ssl: memory blocks
• test_zipimport: references
• test_zipimport: memory blocks

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

==

Click to see traceback logs

Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.13.cstratak-fedora-stable-s390x.refleak/build/Lib/test/test_asyncio/test_ssl.py", line 1592, in test_remote_shutdown_receives_trailing_data_on_slow_socket
    self.loop.run_until_complete(client(srv.addr))
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.13.cstratak-fedora-stable-s390x.refleak/build/Lib/asyncio/base_events.py", line 725, in run_until_complete
    return future.result()
           ~~~~~~~~~~~~~^^
  File "/home/buildbot/buildarea/3.13.cstratak-fedora-stable-s390x.refleak/build/Lib/test/test_asyncio/test_ssl.py", line 1576, in client
    await future
  File "/home/buildbot/buildarea/3.13.cstratak-fedora-stable-s390x.refleak/build/Lib/test/test_asyncio/test_ssl.py", line 1584, in wrapper
    meth(sock)
    ~~~~^^^^^^
  File "/home/buildbot/buildarea/3.13.cstratak-fedora-stable-s390x.refleak/build/Lib/test/test_asyncio/test_ssl.py", line 1502, in server
    self.assertEqual(data_len, CHUNK * SIZE*2)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 0 != 8388608


Traceback (test.test_zipimport.CompressedZipImportTestCase.testTraceback) ... ok


Traceback (test.test_zipimport.UncompressedZipImportTestCase.testTraceback) ... ok

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Fedora Stable Refleaks 3.13 (tier-1) has failed when building commit dbe4690.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1471/builds/1111) and take a look at the build logs.
4. Check if the failure is related to this commit (dbe4690) or if it is a false positive.
5. 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/1471/builds/1111

Failed tests:

• test_zipimport

Test leaking resources:

• test_zipimport: references
• test_zipimport: memory blocks

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

==

Click to see traceback logs

Traceback (test.test_zipimport.CompressedZipImportTestCase.testTraceback) ... ok


Traceback (test.test_zipimport.UncompressedZipImportTestCase.testTraceback) ... ok