How can I call ‘git pull’ from within Python?

Using the github webhooks, I would like to be able to pull any changes to a remote development server. At the moment, when in the appropriate directory, git pull gets any changes that need to be made. However, I can’t figure out how to call that function from within Python. I have tried the following:

import subprocess
process = subprocess.Popen("git pull", stdout=subprocess.PIPE)
output = process.communicate()[0]

But this results in the following error

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.7/subprocess.py", line 679, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1249, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

Is there a way that I can call this bash command from within Python?

Answer

Have you considered using GitPython? It’s designed to handle all this nonsense for you.

import git 

g = git.cmd.Git(git_dir)
g.pull()

https://github.com/gitpython-developers/GitPython

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Answer