How to get information about a git repository in python

repo_data.py

# !pip install GitPython

from git import Repo
from git.exc import NoSuchPathError
from git.exc import InvalidGitRepositoryError

class RepoData:
    def __init__(self, repo_directory):
        self.repo_directory = repo_directory
        self.repo_exists = False
        try:
            repo = Repo(path=self.repo_directory)
            self.repo_exists = True
        except NoSuchPathError:
            print(f'Directory {self.repo_directory} does not exist')
            return
        except InvalidGitRepositoryError:
            print(f'No git repository in {self.repo_directory}')
            return
        self.is_dirty = repo.is_dirty()
        try:
            commit = repo.commit()
        except ValueError as ex:
            print('No commits in this repo; please create an initial commit.')
            raise ex
        self.commit_hash = commit.hexsha
        self.commit_message = commit.message
        self.comitter_name = commit.committer.name
        self.comitter_email = commit.committer.email
        try:
            self.branch_name = repo.active_branch.name
        except TypeError:
            self.branch_name = 'DETACHED'
            
repo_data = RepoData(repo_directory='.')