PR #4671 merged into devel

[Edward K. Ream]

PR #4671 fixes a recent crasher in Leo's markdown and reStructuredText colorizers. Now, Leo colors URLs correctly for both languages.

Edward

[Viktor Ransmayr]

Hello Edward,

Edward K. Ream schrieb am Donnerstag, 7. Mai 2026 um 13:50:14 UTC+2:

PR #4671 fixes a recent crasher in Leo's markdown and reStructuredText colorizers. Now, Leo colors URLs correctly for both languages.

I tested the latest changes to the 'devel' branch in Debian & Fedora.

When I try to run 'leo.scripts.full_test_leo' I do receive the following traceback:

###

    [user@Test-VM02 leo-editor]$
    [user@Test-VM02 leo-editor]$ python -m leo.scripts.full_test_leo
    full_test_leo.py
    Traceback (most recent call last):
      File "<frozen runpy>", line 198, in _run_module_as_main
      File "<frozen runpy>", line 88, in _run_code
      File "/home/user/projects/leo-editor/leo/scripts/full_test_leo.py", line 50, in <module>
        subprocess.Popen(command).communicate()
        ~~~~~~~~~~~~~~~~^^^^^^^^^
      File "/usr/lib64/python3.14/subprocess.py", line 1039, in __init__
        self._execute_child(args, executable, preexec_fn, close_fds,
        ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                            pass_fds, cwd, env,
                            ^^^^^^^^^^^^^^^^^^^
        ...<5 lines>...
                            gid, gids, uid, umask,
                            ^^^^^^^^^^^^^^^^^^^^^^
                            start_new_session, process_group)
                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/usr/lib64/python3.14/subprocess.py", line 1875, in _execute_child
        self._posix_spawn(args, executable, env, restore_signals, close_fds,
        ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                          p2cread, p2cwrite,
                          ^^^^^^^^^^^^^^^^^^
                          c2pread, c2pwrite,
                          ^^^^^^^^^^^^^^^^^^
                          errread, errwrite)
                          ^^^^^^^^^^^^^^^^^^
      File "/usr/lib64/python3.14/subprocess.py", line 1819, in _posix_spawn
        self.pid = os.posix_spawn(executable, args, env, **kwargs)
                   ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    FileNotFoundError: [Errno 2] No such file or directory: '/usr/bin/python -m leo.scripts.beautify_all_leo'
    [user@Test-VM02 leo-editor]$

###

It is a Posix-specific issue, because the mentioned missing file does exist ...

###

    [user@Test-VM02 leo-editor]$
    [user@Test-VM02 leo-editor]$ cd leo/scripts
    [user@Test-VM02 scripts]$
    [user@Test-VM02 scripts]$ ls -al beautify*
    -rw-r--r-- 1 user user 1185 May  9 12:36 beautify_all_leo.py
    [user@Test-VM02 scripts]$

###

With kind regards,

Viktor

[Thomas Passin]

maybe file permissions are the problem?

[Viktor Ransmayr]

Hello Thomas,

tbp1...@gmail.com schrieb am Samstag, 9. Mai 2026 um 15:40:01 UTC+2:

maybe file permissions are the problem?

No. - The logs I published are from a newly created Debian VM !

With kind regards,

Viktor

 

[Mike Hodson]

It's essentially trying to execute the entire command line as a single file, Gemini even as part of AI search on Google gives a pretty good rundown;

FileNotFoundError: [Errno 2] No such file or directory: '/usr/bin/python -m leo.scripts.beautify_all_leo'

import subprocess

# Incorrect:

# subprocess.run(["/usr/bin/python -m leo.scripts.beautify_all_leo"])

# Correct:

subprocess.run(["/usr/bin/python", "-m", "leo.scripts.beautify_all_leo"])

Gemini also gives a few different ideas on how to fix it, one I pasted above, the other mentioning using shell=true when calling the sub-process.

I don't fully understand how this code exactly gets called in the self test but I imagine it has to be something simple like a quoting issue.

Mike

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