Nox fails to run on newest version without UV installed. #907
Description
Current Behavior
nox fails to run without UV installed.
I'm using python 3.12.8, but also tested on 3.8.
No nox file required. Nox errors out before even looking at the file. Fresh install of only nox.
deps:
argcomplete==3.5.3
colorlog==6.9.0
distlib==0.3.9
filelock==3.16.1
nox==2024.10.9
packaging==24.2
platformdirs==4.3.6
virtualenv==20.28.1
Run :
noxOutput:
Traceback (most recent call last):
File "/home/btemplep/venv_nox/bin/nox", line 5, in <module>
from nox.__main__ import main
File "/home/btemplep/venv_nox/lib/python3.12/site-packages/nox/__init__.py", line 18, in <module>
from nox._options import noxfile_options as options
File "/home/btemplep/venv_nox/lib/python3.12/site-packages/nox/_options.py", line 28, in <module>
from nox.tasks import discover_manifest, filter_manifest, load_nox_module
File "/home/btemplep/venv_nox/lib/python3.12/site-packages/nox/tasks.py", line 32, in <module>
from nox.manifest import WARN_PYTHONS_IGNORED, Manifest
File "/home/btemplep/venv_nox/lib/python3.12/site-packages/nox/manifest.py", line 25, in <module>
from nox.sessions import Session, SessionRunner
File "/home/btemplep/venv_nox/lib/python3.12/site-packages/nox/sessions.py", line 43, in <module>
import nox.virtualenv
File "/home/btemplep/venv_nox/lib/python3.12/site-packages/nox/virtualenv.py", line 103, in <module>
UV_PYTHON_SUPPORT = uv_version() >= version.Version("0.4.16")
^^^^^^^^^^^^
File "/home/btemplep/venv_nox/lib/python3.12/site-packages/nox/virtualenv.py", line 74, in uv_version
ret = subprocess.run(
^^^^^^^^^^^^^^^
File "/home/btemplep/.pyenv/versions/3.12.8/lib/python3.12/subprocess.py", line 548, in run
with Popen(*popenargs, **kwargs) as process:
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/btemplep/.pyenv/versions/3.12.8/lib/python3.12/subprocess.py", line 1026, in __init__
self._execute_child(args, executable, preexec_fn, close_fds,
File "/home/btemplep/.pyenv/versions/3.12.8/lib/python3.12/subprocess.py", line 1955, in _execute_child
raise child_exception_type(errno_num, err_msg, err_filename)
PermissionError: [Errno 13] Permission denied: 'uv'
Nox is unuable without installing UV.
It's an issue with the error handling for the UV version.
https://github.com/wntrblm/nox/blob/main/nox/virtualenv.py#L114
Expected Behavior
The nox command to complete without exceptions
Steps To Reproduce
- Install latest stable nox. (2024.10.9)
Environment
- OS:Ubuntu 20.04
- Python: 3.12.8, 3.8.19
- Nox:2024.10.9Anything else?
No response