Extract the git commit stats for analysis

analyze.py

from git import Repo
import sys
import csv

def build_changes(repo):
    changes = []

    for commit in repo.iter_commits("master"):
        for filename, stats in commit.stats.files.items():
            changes.append([
                commit.hexsha,
                commit.authored_date,
                commit.authored_datetime,
                commit.committed_date,
                commit.committed_datetime,
                commit.committer.name,
                commit.committer.email,
                filename,
                stats['insertions'],
                stats['deletions'],
                stats['lines']
            ])
    return changes

if __name__ == "__main__":
    repo_path = sys.argv[1]
    repo = Repo(repo_path)

    changes = build_changes(repo)

    with open("data.csv", 'w') as csvfile:
        spamwriter = csv.writer(csvfile, quoting=csv.QUOTE_MINIMAL)
        for change in changes:
            spamwriter.writerow(change)