libtmux not found on Mac even though installed

Question

libtmux not found on Mac even though installed

Closed this issue 2 years ago · 17 comments

Hi,

I have setup tmux-window-name using the tpm but when I source .tmux.conf, I see an error at the bottom of the window saying:

ERROR: tmux-window-name - Python dependency libtmux not found (Check the README)

I am running tmux on iTerm2 and on a Mac. Any idea what the issue might be?

Answer 1 · 2022-07-15T14:31:48.000Z

can you share the output of python3 -m pip list?

Answer 2 · 2022-07-15T14:33:50.000Z

❯ python3 -m pip list
Package           Version
----------------- -------
awscli-local      0.20
boto3             1.24.20
botocore          1.27.20
jmespath          1.0.1
libtmux           0.11.0
localstack-client 1.35
pip               22.1.2
python-dateutil   2.8.2
s3transfer        0.6.0
setuptools        58.1.0
six               1.16.0
urllib3           1.26.9

Answer 3 · 2022-07-15T14:36:51.000Z

can you run this bash code and share the output

pip_list=$(python3 -m pip list 2> /dev/null)
echo "pip_list"
echo "$pip_list"
if ! echo "$pip_list" | grep libtmux -q; then
    echo "error"
    exit 0
fi
echo "ok"

Answer 4 · 2022-07-15T14:45:52.000Z

❯ ./debug.sh
pip_list
Package           Version
----------------- -------
awscli-local      0.20
boto3             1.24.20
botocore          1.27.20
jmespath          1.0.1
libtmux           0.11.0
localstack-client 1.35
pip               22.1.2
python-dateutil   2.8.2
setuptools        58.1.0
six               1.16.0
urllib3           1.26.9
ok

Just a heads up, I uninstalled s3transfer just now so it would be a package that is missing from my last message.

Answer 5 · 2022-07-15T14:49:56.000Z

It's very weird, the output is ok, its the same code from tmux_window_name.tmux which tpm runs, you can manually edit your tmux_window_name.tmux to add debug prints, add echo "$pip_list" and reload your plugins <prefix> + r

Answer 6 · 2022-07-15T14:58:29.000Z

It is super weird indeed. I added the echo "$pip_list" before the if-block but it does not get printed on the screen, the error is displayed though. How do I see the output?

I've tried <prefix> + r and also running tmux source-file ~/.tmux.conf with the same results.

Answer 7 · 2022-07-15T15:02:15.000Z

it's usually "stops" the current screen on the tmux session and shows the output, make sure you edited `"~/.tmux/plugins/tmux-window-name/tmux_window_name.tmux", if it still doesn't show output you can send the output to file.

echo "$pip_list" > /tmp/tmux_out

Answer 8 · 2022-07-15T15:11:15.000Z

I confirmed that the "~/.tmux/plugins/tmux-window-name/tmux_window_name.tmux" was indeed updated but the output is not being printed. Updated to send output to file:

Package    Version
---------- -------
pip        22.0.4
setuptools 60.10.0
six        1.16.0
wheel      0.37.1

I am on zsh could that be a problem?

Answer 9 · 2022-07-15T15:14:26.000Z

zsh isn't a problem.

It seems that your tpm runs the bash/python with different user/python version.

Please add:

echo $USER
which python3
python3 -V
python3 -m site
python3 -m site --user-site

Answer 10 · 2022-07-15T15:14:46.000Z

I think I found the issue. tmux_window_name uses a different version of python: /usr/local/bin/python.

In my shell, I use the python provided with pyenv. Let me try initializing pyenv in the "~/.tmux/plugins/tmux-window-name/tmux_window_name.tmux".

Answer 11 · 2022-07-15T15:18:35.000Z

Added the following:

if command -v pyenv 1>/dev/null 2>&1; then
  eval "$(pyenv init --path)";
fi

and the pip_list is now as expected. Will try to see if the names are showing up as expected.

Answer 12 · 2022-07-15T15:23:35.000Z

No errors anymore but switching between screens in a session gives the following error:

'~/.tmux/plugins/tmux-window-name/scripts/rename_session_windows.py' returned 1

Answer 13 · 2022-07-15T15:26:09.000Z

I strongly suggest to installed libtmux in the user python, I designed the plugin to use the user python env.

You can manually run ~/.tmux/plugins/tmux-window-name/scripts/rename_session_windows.py' from your terminal to see the traceback.

Answer 14 · 2022-07-15T15:33:23.000Z

Thanks for your suggestion. I installed libtmux to the default python3, removed the pyenv initialization and now it works as expected.

Appreciate your prompt responses and maintaining this super useful tool. Kudos!

Answer 15 · 2022-07-15T15:37:35.000Z

Thanks! Have fun with the tool :)

I added note in the README to use the user plugin instead of virtualenv

Answer 16 · 2024-09-20T03:20:50.000Z

I strongly suggest to installed libtmux in the user python, I designed the plugin to use the user python env.

It seems that in 'tmux_window_name.tmux', pip_list=$(python3 -m pip list 2> /dev/null) doesn't retreive user packages but rather root's packages. I added tmux display "$(pip -V)" in the script, and it prints message: pip 24.2 from /usr/local/lib/python3.12/site-packages/pip (python 3.12), which is not in user mode.

EDIT:
And now I'm encountering the same problem (libtmux not found).

The problem has now disappeared.

Answer 17 · 2024-09-30T22:03:13.000Z

For those who encounter the same problem in the future, we need to use the system python3, not Homebrew's:

$ which python3
/opt/homebrew/opt/python@3.10/libexec/bin/python3

If your environment returns something like this, you should do the following instead:

$ /usr/bin/python3 -m pip install --user libtmux