trying to execute git command using python script

Question

I am trying to execute a simple git command using following python script.

#!/usr/bin/python

import commands
import subprocess
import os
import sys

pr = subprocess.Popen( "/usr/bin/git log" , cwd = os.path.dirname( '/ext/home/rakesh.kumar/workspace/myproject' ), shell = True, stdout = subprocess.PIPE, stderr = subprocess.PIPE )
(out, error) = pr.communicate()


print "Error : " + str(error) 
print "out : " + str(out)

but I am getting the following error even though I am running the python script in the same directory where git reposetory is.

Error : fatal: Not a git repository (or any of the parent directories): .git

I suspected the git might got correputed, but git files are fine and git commands work if I execute on normal command prompt.

I tried to search on net but couldn't get useful information. Please help it will be greatly appreciated.

What's wrong with code that wraps at 79 chars ?

Mr_and_Mrs_D
– Mr_and_Mrs_D

2014-04-08 13:36:30 +00:00
Commented Apr 8, 2014 at 13:36 — Mr_and_Mrs_D
– Mr_and_Mrs_D, Commented Apr 8, 2014 at 13:36

Santa · Accepted Answer · 2012-03-19 17:48:00Z

5

The problem is your use of os.path.dirname():

os.path.dirname( '/ext/home/rakesh.kumar/workspace/myproject' )

will give you:

>>> os.path.dirname( '/ext/home/rakesh.kumar/workspace/myproject' )
'/ext/home/rakesh.kumar/workspace'

which, I bet, is not what you want.

answered Mar 19, 2012 at 17:48

Santa

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Comments

Adam · Accepted Answer · 2012-03-19 17:47:22Z

4

Try this:

#!/usr/bin/python

import commands
import subprocess
import os
import sys

pr = subprocess.Popen( "/usr/bin/git log" , cwd = os.path.dirname( '/ext/home/rakesh.kumar/workspace/myproject/' ), shell = True, stdout = subprocess.PIPE, stderr = subprocess.PIPE )
(out, error) = pr.communicate()


print "Error : " + str(error) 
print "out : " + str(out)

Directory path should have '/' at the end.

answered Mar 19, 2012 at 17:47

Adam

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1 Comment

David Fraser Over a year ago

Note that this error can also occur if you have the GIT_DIR environment variable set (particularly to a relative path, as can happen in git hooks)

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