How to commit and push files using python library GitPython

Question

Requirement:

• Commit and push files to GitHub repository from a python script.
• The credentials should be included in the script.

Issue:

• If credentials are provided in the script the commit operation is executing and throwing the following error,

Traceback (most recent call last):
  File "/home/amith/example.py", line 14, in <module>
    repo.index.add(folder_path)
AttributeError: 'Repository' object has no attribute 'index'

• If credentials are, not provided in the script the commit operation is working properly by providing it on the terminal.

I need to integrate this script in Django application which should accept the credentials from the configuration file.

I have tried the following links but nothing has worked for me yet. - link1 - link2 - link3

from git import Repo
from github import Github
from pdb import set_trace as bp

repo_dir = '--------'
repo = Repo(repo_dir)

# using username and password

g = Github("-----", "------")
folder_path = '----------'
commit_message = 'Add New file'
repo.index.add(folder_path)
repo.index.commit(commit_message)
origin = repo.remote('origin')
origin.push()

So, I am getting this error "AttributeError: 'Repository' object has no attribute 'index'".

Complete error -

Traceback (most recent call last):
  File "/home/amith/example.py", line 14, in <module>
    repo.index.add(folder_path)
AttributeError: 'Repository' object has no attribute 'index'