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Python error adding new repository

Graham Borland1

I'm new to Sourcetree, and I'm trying to open up an existing Mercurial repository. In the main window, I get this error message:

env: python: No such file or directory

I do have Python installed and working. Why is Sourcetree not finding it?

grahamb@pickle:~/Work/repo/dev$ which python
/usr/bin/python
grahamb@pickle:~/Work/repo/dev$ which env
/usr/bin/env
grahamb@pickle:~/Work/repo/dev$ env python
Python 2.6.1 (r261:67515, Aug  2 2010, 20:10:18) 
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type "help", "copyright", "credits" or "license" for more information.

Screenshot

Accepted answers

Graham Borland1

Problem solved! I had in the dim and distant past, installed an Environment Variables plugin to the System Preferences tool. I hadn't realised that adding to my PATH in here was a bad idea. (It edits my environment.plist file, which is apparently where GUI apps get their environment settings from.)

I had also set the path correctly in my .bash_profile, which is why 'env' and 'python' worked fine in the terminal.

Solved by removing the PATH entry from environment.plist. Sourcetree now runs just fine without my local edits.

All comments

stevestreeting

That's the standard Python location (it's where mine is) so this should work, however on the Mac the PATH is different for apps than it is for the console, perhaps yours has changed so that /usr/bin is not on it.

The PATH for Mac apps is derived from 2 places (and not the PATH variable):

/etc/paths
/etc/paths.d/*

So to determine what paths are present for apps, you should do this:

cat /etc/paths
find /etc/paths.d/* -exec cat {} \;

For example, mine looks like this:

Steves-Mac:~ steve$ cat /etc/paths
/usr/bin
/bin
/usr/sbin
/sbin
/usr/local/bin
Steves-Mac:~ steve$ find /etc/paths.d/* -exec cat {} \;
/usr/local/MacGPG2/bin
/usr/X11/bin
/usr/local/git/bin

Graham Borland1

Thanks, but /usr/bin is present in /etc/paths. Any more suggestions?

stevestreeting

If you run the below on the command line, what do you get?

/usr/bin/env python

This is the command at the top of the 'hg' script which appears to be failing in your case, although I've never heard of that before.

Graham Borland1

I get exactly the same Python output as I posted in the question.

stevestreeting

Doh, sorry I missed that.

I'm at a loss, if env and python are on your /etc/paths this should work. I'd quite like to see a screenshot of the error in case that helps.

Also, have you changed which Mercurial you're using in Preferences (if you have Mercurial installed separately)?

Graham Borland1

Screenshot uploaded. I haven't changed any options from the default. I tried resetting to the embedded Mercurial, just to be safe, but that has no effect. I do have hg installed in /usr/local/bin via Homebrew, but Sourcetree can't find that one since it's not in the app path.

Graham Borland1

I had also set the path correctly in my .bash_profile, which is why 'env' and 'python' worked fine in the terminal.

Solved by removing the PATH entry from environment.plist. Sourcetree now runs just fine without my local edits.

stevestreeting

Awesome, that explains everything. Thanks for letting us know!

Pablo Diaz-Gutierrez

For anyone still looking into this, I solved the issue by telling SourceTree to use the system git, instead of the embedded one. Under "Preferences/git/Git Version".

unknown

@Graham Borland1 @stevestreeting Can you elaborate this answer please as I am not getting any environment.plist file.

I am using Mac OS Catalina 10.15.4 and I am having problems with source tree as I am getting the same error as you.

unknown

Screenshot 2020-09-24 at 10.32.31 PM.png

unknown

@Pablo Diaz-Gutierrez I have the same but issue is not resolved.

I am using Mac OS Catalina 10.15.4.

I have attached screenshot in the top. Please check!!

Pablo Diaz-Gutierrez

Unfortunately I have since upgraded to the macOS 11 Big Sur (beta 8) and the problem is back with a vengeance. I'll try again later; right now I'm just using the command line for 99% of my git work.

unknown

@Pablo Diaz-Gutierrez Please try and let me know if there is any update for the fix.

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