how to do a git diff of current commit with last commit using gitpython?

Question

I am trying o grasp gitpython module,

hcommit = repo.head.commit
tdiff = hcommit.diff(\'HEAD~1\')

but tdiff = hcommit.diff(\'HEAD^ H

Answer 1

For a proper solution (without using git command callback), you have to use create_patch option.

To compare current index with previous commit:

diff_as_patch = repo.index.diff(repo.commit('HEAD~1'), create_patch=True)
print(diff_as_patch)