Description

hoodmane

opened on Nov 22, 2024

Issue body actions

First I'd like to get the test suite to run all the way through, then to pass.

cc @freakboy3742

Update 2025/01/30

Emscripten 4.0.2 has fixes for all of the file system bugs I've looked into. There are still problems with nonblocking I/O which I haven't looked into.

Emscripten PRs:

• Make seek work on /dev/null emscripten-core/emscripten#22886
  Make readlink system call not resolve the link emscripten-core/emscripten#23000
  Trying to create a directory in a file should return ENOTDIR not EPERM emscripten-core/emscripten#23025
  Refactor lookupPath to avoid recursion. NFC emscripten-core/emscripten#23017
  Fix path resolution for symlinks emscripten-core/emscripten#23072
  Make readdir on /proc/self/fd work emscripten-core/emscripten#23073
  Add nodefs readdir handling for directories that contain exotic entries emscripten-core/emscripten#22925
  Make fstat work on file descriptor with no name emscripten-core/emscripten#23058
  When opening broken symlink with O_CREAT, create file at target emscripten-core/emscripten#23002
  JS file system: distinguish between atime, mtime, and ctime emscripten-core/emscripten#22998
  Fix renaming a file on top of an existing file in memfs and nodefs emscripten-core/emscripten#23074
  Handle trailing % in strftime emscripten-core/emscripten#23045
  Add wcsftime from musl. NFC emscripten-core/emscripten#23061
  Return EISDIR when trying to create a path ending in / with open emscripten-core/emscripten#23135
  Fix mkdir("a/b/..") should return EEXIST emscripten-core/emscripten#23136
  Make open O_CREATE mode 0 work emscripten-core/emscripten#23137
  Ensure the ino we give to readdir matches the ino we give to stat emscripten-core/emscripten#23139
  Correctly handle calls setting timestamp to 0 emscripten-core/emscripten#23310
  Raise ENOSYS if AT_SYMLINK_NOFOLLOW is used with chmod or chown in nodefs emscripten-core/emscripten#23307
  [FS] Allow pipes to be stat'ed emscripten-core/emscripten#23306
  [FS] lookupPath should throw an error on an empty string emscripten-core/emscripten#23366
  [FS] Make fstat work on file descriptors with no name in node rawfs emscripten-core/emscripten#23364
  [FS] Make fstatfs actually work emscripten-core/emscripten#23381
  [FS] Make fstat work on file descriptors with no name in memfs emscripten-core/emscripten#23470
  [FS] Make fstat work on file descriptors with no name in nodefs emscripten-core/emscripten#23480
  JS FS: Don't return ELOOP on a path with a large number of ..'s emscripten-core/emscripten#24591
  Looking up ip for localhost should return 127.0.0.1 emscripten-core/emscripten#24593

Linked PRs

• gh-127146: Emscripten: Skip segfaults in test suite #127151
• gh-127146: Mark test_bz2 tests with requires_subprocess #127562
• gh-127146: Resolve some minor problems in Emscripten tests #127565
• gh-127146: Some expected failures in Emscripten time tests #127843
• gh-127146: Emscripten clean up test suite #127984
• gh-127146: Emscripten Include compiler version in _PYTHON_HOST_PLATFORM #127992
• gh-127146: Fix test_sysconfidata_json in Emscripten #128545
• gh-127146: skip Emscripten tests with pending fixes #128549
• gh-127146: Fix test_sysconfigdata_json for Emscripten #128556
• gh-127146: Strip dash from Emscripten compiler version #128557
• gh-127146: Update test skips for Emscripten 4.0.1 #129375
• gh-127146: Skip test_readinto_non_blocking on Emscripten #129421
• gh-127146: Don't compare userbase in test_sysconfig_json #129422
• gh-127146: Update test skips for Emscripten 4.0.2 #129474
• gh-127146: Fix Emscripten build with --pydebug #131672
• gh-127146: Fix Emscripten test suite when run with -uall #132092
• gh-127146: xfail more Emscripten stack overflows #134358
• [3.14] gh-127146: xfail more Emscripten stack overflows (GH-134358) #134382
• gh-127146: Allow ignored keys to be missing in test_sysconfig #135622
• gh-127146: Emscripten: Fix pathlib glob_dotdot test #135624
• gh-127146: Emscripten: Fix test failure due to missing os.link #135626
• gh-127146: Emscripten: Skip test_url2pathname_resolve_host #135634
• gh-127146: Enable large files on Emscripten #135635
• [3.14] gh-127146: Allow ignored keys to be missing in test_sysconfig (GH-135622) #135650
• [3.14] gh-127146: Emscripten: Skip test_url2pathname_resolve_host (GH-135634) #135651
• [3.14] gh-127146: Emscripten: Fix test failure due to missing os.link (GH-135626) #135652
• [3.14] gh-127146: Emscripten: Fix pathlib glob_dotdot test (GH-135624) #135653
• [3.14] gh-127146: Enable large files on Emscripten (GH-135635) #135655
• gh-127146: Add skip_emscripten_stack_overflow in a few places #135722
• [3.14] gh-127146: Add skip_emscripten_stack_overflow in a few places (GH-135722) #135733
• gh-127146: Skip test_os.test_mode for Emscripten #135764
• [3.14] gh-127146: Skip test_os.test_mode for Emscripten (GH-135764) #135784
• gh-127146: Skip test_netrc.test_security on Emscripten #136227
• gh-127146: Report uid in Emscripten + node as native uid #136509
• gh-127146: Skip test_open_undecodable_uri on Emscripten #136510
• gh-127146: Emscripten: Fix test_open_undecodable_uri by setting -sTEXTDECODER=2 #136624
• [3.14] gh-127146: Emscripten: Fix test_open_undecodable_uri by setting -sTEXTDECODER=2 (GH-136624) #136631
• [3.14] gh-127146: Report uid in Emscripten + node as native uid (GH-136509) #136699
• gh-127146: Emscripten: Make os.umask() actually work #136706
• gh-127146: Emscripten: Don't need to avoid unpaired surrogate anymore #136707
• gh-127146: Emscripten: more regular stack overflow skips #136708
• [3.14] gh-127146: Emscripten: Make os.umask() actually work (GH-136706) #136711
• [3.14] gh-127146: Emscripten: more regular stack overflow skips (GH-136708) #136712
• [3.14] gh-127146: Emscripten: Don't need to avoid unpaired surrogate anymore (GH-136707) #136717
• gh-127146: Emscripten: Set umask to zero in test_apropos_empty_doc #136740
• [3.14] gh-127146: Emscripten: Set umask to zero in python.sh (GH-136740) #136745
• gh-127146: Emscripten: Add test_sample_profiler skips where needed #137815

Reacted by Russell Keith-Magee and Agriya Khetarpal

Reacted by Paul m. p. Peny, Victor Stinner, Agriya Khetarpal and Ilhan Polat

Activity

1. hoodmane

   added

   OS-emscripten

   on Nov 22, 2024
2. hoodmane

   added 4 commits that reference this issue on Nov 22, 2024

   pythongh-127146 Emscripten: Fix segfaults in test suite

   040409a

   pythongh-127146 Emscripten: Fix segfaults in test suite

   a281d38

   pythongh-127146 Emscripten: Fix segfaults in test suite

   c11b73b

   pythongh-127146 Emscripten: Skip segfaults in test suite

   c6425ea
3. hoodmane commented on Nov 25, 2024

   

   hoodmane

   on Nov 25, 2024

   ContributorAuthor

   More actions

   This upstream Emscripten PR fixes at least 13 test failures:
   emscripten-core/emscripten#22998
4. hoodmane commented on Nov 25, 2024

   

   hoodmane

   on Nov 25, 2024

   ContributorAuthor

   More actions

   The tests involving readlink are fixed by this Emscripten PR: emscripten-core/emscripten#23000
5. hoodmane

   added 2 commits that reference this issue on Dec 3, 2024

   pythongh-127146: Mark test_bz2 tests with requires_subprocess

   cd1fe93

   pythongh-127146: Skip some minor problems in Emscripten tests

   4bfeb60
6. freakboy3742

   added 2 commits that reference this issue on Dec 4, 2024

   gh-127146: Resolve some minor problems in Emscripten tests (#127565)

   0f91078

   gh-127146: Emscripten: Skip segfaults in test suite (#127151)

   43634fc
7. picnixz

   added

   testsTests in the Lib/test dirTests in the Lib/test dir

   on Dec 5, 2024
8. hoodmane

   added a commit that references this issue on Dec 11, 2024

   pythongh-127146: Emscripten some expected failures in time tests

   262634c
9. freakboy3742

   added a commit that references this issue on Dec 12, 2024

   gh-127146: Some expected failures in Emscripten time tests (#127843)

   41f29e5
10. hoodmane

    added a commit that references this issue on Dec 16, 2024

    pythongh-127146: Emscripten clean up test suite

    4868732
11. 141 remaining items
12. Agent-Hellboy

    added 9 commits that reference this issue on Aug 19, 2025

    pythongh-127146: Add skip_emscripten_stack_overflow in a few places (p…

    71bc47d

    pythongh-127146: Skip test_os.test_mode for Emscripten (python#135764)

    ed3aff8

    pythongh-127146: Emscripten: Fix test_open_undecodable_uri by setting…

    77e5568

    pythongh-127146: Report uid in Emscripten + node as native uid (pytho…

    12e988c

    pythongh-127146: Emscripten: Make os.umask() actually work (python#13…

    df3cc4c

    pythongh-127146: Emscripten: more regular stack overflow skips (pytho…

    2d4d697

    pythongh-127146: Emscripten: Don't need to avoid unpaired surrogate a…

    d5e24ba

    pythongh-127146: Emscripten: Set umask to zero in python.sh (python#1…

    72d2fc3

    pythongh-127146: Emscripten: Add test_sample_profiler skips where nee…

    1971537
13. kumaraditya303

    added 6 commits that reference this issue on Sep 9, 2025

    [3.14] pythongh-127146: Emscripten: Fix test_open_undecodable_uri by …

    cbf6ad2

    [3.14] pythongh-127146: Report uid in Emscripten + node as native uid (…

    f8d3289

    [3.14] pythongh-127146: Emscripten: more regular stack overflow skips (…

    ec4a40d

    [3.14] pythongh-127146: Emscripten: Make os.umask() actually work (py…

    e252b43

    [3.14] pythongh-127146: Emscripten: Don't need to avoid unpaired surr…

    f6e104e

    [3.14] pythongh-127146: Emscripten: Set umask to zero in python.sh (p…

    2d179f9

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