gh-99894: Ensure the local names don't collide with the test file in traceback suggestion error checking #99895

pablogsal · 2022-11-30T11:22:58Z

Issue: test_traceback: test_import_from_error_bad_suggestions_do_not_trigger_for_small_names() fails randomly on "wasm32-emscripten node (dynamic linking)" buildbot #99894

…le in traceback suggestion error checking

vstinner · 2022-11-30T11:38:58Z

This branch doesn't work for me:

vstinner@mona$ ./python -m test test_traceback -j20 -F -m test_import_from_error_bad_suggestions_do_not_trigger_for_small_names -v
(...)
0:00:07 load avg: 8.01 [ 36/1] test_traceback failed (1 failure)
test_import_from_error_bad_suggestions_do_not_trigger_for_small_names (test.test_traceback.CPythonSuggestionFormattingTests.test_import_from_error_bad_suggestions_do_not_trigger_for_small_names) ... 
  test_import_from_error_bad_suggestions_do_not_trigger_for_small_names (test.test_traceback.CPythonSuggestionFormattingTests.test_import_from_error_bad_suggestions_do_not_trigger_for_small_names) (name='py') ... FAIL
test_import_from_error_bad_suggestions_do_not_trigger_for_small_names (test.test_traceback.PurePythonSuggestionFormattingTests.test_import_from_error_bad_suggestions_do_not_trigger_for_small_names) ... ok

======================================================================
FAIL: test_import_from_error_bad_suggestions_do_not_trigger_for_small_names (test.test_traceback.CPythonSuggestionFormattingTests.test_import_from_error_bad_suggestions_do_not_trigger_for_small_names) (name='py')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vstinner/python/main/Lib/test/test_traceback.py", line 3172, in test_import_from_error_bad_suggestions_do_not_trigger_for_small_names
    self.assertNotIn("vvv", actual)
AssertionError: 'vvv' unexpectedly found in "ImportError: cannot import name 'py' from 'NkosMVLvvvpdqPze' (/tmp/test_python_xfxl02nj/tmp7l231ock/NkosMVLvvvpdqPze.py)"

$ git show
commit 5612e561a96f4da735e966f527e1e01265564ae1 (HEAD -> pr/99895)
Author: Pablo Galindo <[email protected]>
Date:   Wed Nov 30 11:22:49 2022 +0000

    gh-99894: Ensure the local names don't collide with the test file in traceback suggestion error checking

vstinner · 2022-11-30T11:41:06Z

Ah, this PR changes test_getattr_error_bad_suggestions_do_not_trigger_for_small_names(), but not test_import_from_error_bad_suggestions_do_not_trigger_for_small_names().

You should also change test_import_from_error_bad_suggestions_do_not_trigger_for_small_names(), no?

…test file in traceback suggestion error checking

pablogsal · 2022-11-30T11:42:05Z

Ah, this PR changes test_getattr_error_bad_suggestions_do_not_trigger_for_small_names(), but not test_import_from_error_bad_suggestions_do_not_trigger_for_small_names().

You should also change test_import_from_error_bad_suggestions_do_not_trigger_for_small_names(), no?

Done!

vstinner · 2022-11-30T12:02:58Z

I ran ./python -m test test_traceback -j20 -F -m test_import_from_error_bad_suggestions_do_not_trigger_for_small_names -v for 9 min 24 sec: 3669 tests OK.

vstinner · 2022-11-30T12:04:29Z

Another test: ./python -m test test_traceback -j20 -F -v ran for 4 min 50 sec: 52 tests OK.

vstinner · 2022-11-30T12:14:12Z

Another test: ./python -m test test_traceback -j20 -F -m test_getattr_error_bad_suggestions_do_not_trigger_for_small_names -v ran for 9 min 28 sec: 5086 tests OK.

vstinner

LGTM: I tested functionnaly the change, it does fix #99894

I have a minor suggestion.

vstinner · 2022-11-30T12:16:29Z

Lib/test/test_traceback.py

@@ -2979,8 +2979,8 @@ class MyClass:
            with self.subTest(name=name):
                actual = self.get_suggestion(MyClass, name)
                self.assertNotIn("you mean", actual)


Maybe check for Did you mean? Same remark for the other test.

Other test_traceback tests check for this (a little bit longer) pattern.

Lib/test/test_traceback.py

vstinner · 2022-12-01T11:26:50Z

test_threading of "Address sanitizer" failed (env changed). I re-ran this CI job.

vstinner · 2022-12-01T13:07:18Z

Python 3.10 and 3.11 are not affected.

bedevere-bot · 2022-12-01T14:55:26Z

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot ARM Raspbian 3.x has failed when building commit 0563be2.

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/all/#builders/424/builds/3060) and take a look at the build logs.
Check if the failure is related to this commit (0563be2) 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/all/#builders/424/builds/3060

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

== Tests result: ENV CHANGED ==

411 tests OK.

10 slowest tests:

test_venv: 12 min 28 sec
test_largefile: 8 min 51 sec
test_lib2to3: 6 min 28 sec
test_multiprocessing_spawn: 4 min 2 sec
test_concurrent_futures: 3 min 19 sec
test_asyncio: 3 min
test_tokenize: 2 min 5 sec
test_multiprocessing_forkserver: 1 min 56 sec
test_gdb: 1 min 42 sec
test_cppext: 1 min 39 sec

1 test altered the execution environment:
test_concurrent_futures

21 tests skipped:
test_check_c_globals test_devpoll test_idle test_ioctl test_kqueue
test_launcher test_msilib test_peg_generator test_perf_profiler
test_startfile test_tcl test_tix test_tkinter test_ttk
test_ttk_textonly test_turtle test_winconsoleio test_winreg
test_winsound test_wmi test_zipfile64

Total duration: 29 min 44 sec

Click to see traceback logs

remote: Enumerating objects: 9, done.        
remote: Counting objects:  11% (1/9)        
remote: Counting objects:  22% (2/9)        
remote: Counting objects:  33% (3/9)        
remote: Counting objects:  44% (4/9)        
remote: Counting objects:  55% (5/9)        
remote: Counting objects:  66% (6/9)        
remote: Counting objects:  77% (7/9)        
remote: Counting objects:  88% (8/9)        
remote: Counting objects: 100% (9/9)        
remote: Counting objects: 100% (9/9), done.        
remote: Compressing objects:  20% (1/5)        
remote: Compressing objects:  40% (2/5)        
remote: Compressing objects:  60% (3/5)        
remote: Compressing objects:  80% (4/5)        
remote: Compressing objects: 100% (5/5)        
remote: Compressing objects: 100% (5/5), done.        
remote: Total 5 (delta 4), reused 0 (delta 0), pack-reused 0        
From https://github.com/python/cpython
 * branch                  main       -> FETCH_HEAD
Note: switching to '0563be23a557917228a8b48cbb31bda285a3a815'.

You are in 'detached HEAD' state. You can look around, make experimental
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do so (now or later) by using -c with the switch command. Example:

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Or undo this operation with:

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Turn off this advice by setting config variable advice.detachedHead to false

HEAD is now at 0563be23a5 gh-99894: Ensure the local names don't collide with the test file in traceback suggestion error checking (#99895)
Switched to and reset branch 'main'

Objects/obmalloc.c:776:1: warning: ‘always_inline’ function might not be inlinable [-Wattributes]
  776 | arena_map_get(pymem_block *p, int create)
      | ^~~~~~~~~~~~~

make: *** [Makefile:1889: buildbottest] Error 3

* main: (112 commits) pythongh-99894: Ensure the local names don't collide with the test file in traceback suggestion error checking (python#99895) pythongh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only data (pythonGH-99613) Doc: Add summary line to isolation_level & autocommit sqlite3.connect params (python#99917) pythonGH-98906 ```re``` module: ```search() vs. match()``` section should mention ```fullmatch()``` (pythonGH-98916) pythongh-89189: More compact range iterator (pythonGH-27986) bpo-47220: Document the optional callback parameter of weakref.WeakMethod (pythonGH-25491) pythonGH-99905: Fix output of misses in summarize_stats.py execution counts (pythonGH-99906) pythongh-99845: PEP 670: Convert PyObject macros to functions (python#99850) pythongh-99845: Use size_t type in __sizeof__() methods (python#99846) pythonGH-99877) Fix typo in exception message in `multiprocessing.pool` (python#99900) pythongh-87092: move all localsplus preparation into separate function called from assembler stage (pythonGH-99869) pythongh-99891: Fix infinite recursion in the tokenizer when showing warnings (pythonGH-99893) pythongh-99824: Document that sqlite3.connect implicitly open a transaction if autocommit=False (python#99825) pythonGH-81057: remove static state from suggestions.c (python#99411) Improve zip64 limit error message (python#95892) pythongh-98253: Break potential reference cycles in external code worsened by typing.py lru_cache (python#98591) pythongh-99127: Allow some features of syslog to the main interpreter only (pythongh-99128) pythongh-82836: fix private network check (python#97733) Docs: improve accuracy of socketserver reference (python#24767) ...

kadiwa4 · 2022-12-02T11:38:45Z

Lib/test/test_traceback.py

-                self.assertNotIn("vvv", actual)
-                self.assertNotIn("mom", actual)
+                self.assertNotIn("Did you mean", actual)
+                self.assertNotIn("'vvv", actual)


I don't know if this has any effect but there is a ' missing here

… test file in traceback suggestion error checking (python#99895)" This reverts commit 0563be2.

pythongh-99894: Ensure the local names don't collide with the test fi…

5612e56

…le in traceback suggestion error checking

pablogsal requested a review from iritkatriel as a code owner November 30, 2022 11:22

bedevere-bot mentioned this pull request Nov 30, 2022

test_traceback: test_import_from_error_bad_suggestions_do_not_trigger_for_small_names() fails randomly on "wasm32-emscripten node (dynamic linking)" buildbot #99894

Closed

bedevere-bot added awaiting core review tests Tests in the Lib/test dir labels Nov 30, 2022

pablogsal added needs backport to 3.10 only security fixes needs backport to 3.11 only security fixes labels Nov 30, 2022

fixup! pythongh-99894: Ensure the local names don't collide with the …

d159ac5

…test file in traceback suggestion error checking

vstinner approved these changes Nov 30, 2022

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bedevere-bot added awaiting merge and removed awaiting core review labels Nov 30, 2022

kumaraditya303 added the skip news label Nov 30, 2022

vstinner reviewed Nov 30, 2022

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vstinner added 2 commits November 30, 2022 16:54

Update Lib/test/test_traceback.py

2287142

Update Lib/test/test_traceback.py

227b315

vstinner merged commit 0563be2 into python:main Dec 1, 2022

bedevere-bot removed the awaiting merge label Dec 1, 2022

kadiwa4 reviewed Dec 2, 2022

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sobolevn mentioned this pull request Dec 4, 2022

test_capi fails with "Maximum call stack size exceeded" on "wasm32-emscripten node (pthreads) 3.x" buildbot #99985

Closed

sobolevn added a commit to sobolevn/cpython that referenced this pull request Dec 28, 2022

Revert "pythongh-99894: Ensure the local names don't collide with the…

ce557be

… test file in traceback suggestion error checking (python#99895)" This reverts commit 0563be2.

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gh-99894: Ensure the local names don't collide with the test file in traceback suggestion error checking #99895

gh-99894: Ensure the local names don't collide with the test file in traceback suggestion error checking #99895

pablogsal commented Nov 30, 2022 •

edited by bedevere-bot

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kadiwa4 Dec 2, 2022

gh-99894: Ensure the local names don't collide with the test file in traceback suggestion error checking #99895

gh-99894: Ensure the local names don't collide with the test file in traceback suggestion error checking #99895

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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

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