#32223: Path.resolve(strict=True) can raise a PermissionError in autoreloader.
-------------------------------------+-------------------------------------
Reporter: Mariusz | Owner: nobody
Felisiak |
Type: Bug | Status: new
Component: Core | Version: 3.1
(Management commands) |
Severity: Normal | Keywords:
Triage Stage: Accepted | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
Using `Path.resolve(strict=True)` can cause permission errors when users
don't have permissions to all intermediate directories in a Django
installation path, see:
{{{
Traceback (most recent call last):
File "manage.py", line 21, in <module>
main()
File "manage.py", line 17, in main
execute_from_command_line(sys.argv)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/core/management/__init__.py", line 401, in
execute_from_command_line
utility.execute()
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/core/management/__init__.py", line 395, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/core/management/base.py", line 328, in run_from_argv
self.execute(*args, **cmd_options)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/core/management/commands/runserver.py", line 60, in
execute
super().execute(*args, **options)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/core/management/base.py", line 369, in execute
output = self.handle(*args, **options)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/core/management/commands/runserver.py", line 95, in handle
self.run(**options)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/core/management/commands/runserver.py", line 102, in run
autoreload.run_with_reloader(self.inner_run, **options)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/utils/autoreload.py", line 599, in run_with_reloader
start_django(reloader, main_func, *args, **kwargs)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/utils/autoreload.py", line 584, in start_django
reloader.run(django_main_thread)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/utils/autoreload.py", line 299, in run
self.run_loop()
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/utils/autoreload.py", line 305, in run_loop
next(ticker)
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/utils/autoreload.py", line 345, in tick
for filepath, mtime in self.snapshot_files():
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/utils/autoreload.py", line 361, in snapshot_files
for file in self.watched_files():
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/utils/autoreload.py", line 260, in watched_files
yield from iter_all_python_module_files()
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/utils/autoreload.py", line 105, in
iter_all_python_module_files
return iter_modules_and_files(modules, frozenset(_error_files))
File "/usr/home/XXX/.virtualenvs/go/lib/python3.8/site-
packages/django/utils/autoreload.py", line 141, in iter_modules_and_files
resolved_path = path.resolve(strict=True).absolute()
File "/usr/local/lib/python3.8/pathlib.py", line 1180, in resolve
s = self._flavour.resolve(self, strict=strict)
File "/usr/local/lib/python3.8/pathlib.py", line 362, in resolve
return _resolve(base, str(path)) or sep
File "/usr/local/lib/python3.8/pathlib.py", line 346, in _resolve
target = accessor.readlink(newpath)
File "/usr/local/lib/python3.8/pathlib.py", line 451, in readlink
return os.readlink(path)
PermissionError: [Errno 13] Permission denied: '/usr'
}}}
Regression in e28671187903e6aca2428374fdd504fca3032aee (Django 3.0).
Thanks Jakub Szafrański for the
[https://code.djangoproject.com/ticket/31912#comment:15 report].
--
Ticket URL: <https://code.djangoproject.com/ticket/32223>
Django <https://code.djangoproject.com/>
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