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Git + Python

Automate Git from Python — diffs, hooks, release tags, and repo housekeeping.

12 matches
Git + Python medium

How to Archive a Repository as a ZIP in Python

Create a ZIP archive of a repository directory with a mock export, skipping hidden files and __pycache__ folders.

zipfile os.walk archiving
Python
import zipfile
import io
import os
from pathlib import Path


def archive_repo_mock(repo_path, output_path="repo_archive.zip"):
    """Create a zip archive of a repository directory (mock export)."""
    repo = Path(repo_path)
    if not repo.exists():
        raise FileNotFoundError(f"Repository not found: {repo}")

…
13 0 Open
Git + Python medium

How to Build a Branch Protection Audit Mock API in Python

A mock HTTP API that serves branch protection rules for repositories and audits them for compliance, built with Python's standard library.

git api http-server
Python
import json
from http.server import BaseHTTPRequestHandler, HTTPServer
from urllib.parse import urlparse, parse_qs

REPOSITORIES = {
    "alpha": {
        "default_branch": "main",
        "branches": ["main", "develop", "feature-x"],
        "protection_rules": {
            "main": {"required_reviews": 2, "dismiss_…
10 0 Open
Git + Python medium

How to Format Git Patch Series as an MBOX File in Python

Generate a patch-series mbox file from commit metadata with numbered [PATCH nnn/nnn] subjects and a Git-style footer.

git mbox patch-series
Python
import re
from pathlib import Path


def format_patch_series_mbox(commits, output_path="series.mbox"):
    entries = []
    for idx, commit in enumerate(commits, start=1):
        subject = commit["subject"]
        author = commit["author"]
        email = commit["email"]
        date = commit["date"]
        body = …
13 0 Open
Git + Python medium

How to Generate Release Notes from Git Commit Messages in Python

This script fetches recent Git commit messages using conventional commit prefixes (feat, fix, etc.), categorizes them, and prints formatted release notes with today's date.

git release-notes automation
Python
import subprocess
import re
from datetime import datetime

def get_git_log(since_tag="HEAD~10", format_str="%s"):
    """Retrieve commit messages from git log."""
    try:
        result = subprocess.run(
            ["git", "log", f"--since={since_tag}", f"--format={format_str}"],
            capture_output=True,
   …
49 0 Open
Git + Python medium

How to Get Current Git Branch Name in Python with Mock Subprocess

Mocks the subprocess call to reliably test the current git branch name retrieval using GitPython.

git gitpython subprocess
Python
import subprocess
from unittest.mock import patch, MagicMock
from git import Repo
import os


def get_current_branch(repo_path="."):
    """Get the current branch name of a git repository."""
    repo = Repo(repo_path)
    return repo.active_branch.name


if __name__ == "__main__":
    # Mock subprocess to control the…
12 0 Open
Git + Python medium

How to Make a Git Commit Heatmap by Hour in Python

Parse a git log output and count commits by weekday and hour, then print a compact heatmap table.

git logging datetime
Python
import re
from collections import Counter
from datetime import datetime

def parse_commits(log_text):
    """Parse git log lines and count commits by (weekday, hour)."""
    pattern = re.compile(r"^Date:\s+(.+)$")
    counts = Counter()
    
    for line in log_text.splitlines():
        match = pattern.match(line)
  …
13 0 Open
Git + Python medium

How to Mock Git Cherry-Pick in Python for Tests

Mock the `repo.git.cherry_pick` method with `unittest.mock` to test a Git cherry-pick helper without a real repository.

git mock unittest
Python
from unittest.mock import patch, MagicMock

class GitCherryPicker:
    def __init__(self):
        self.applied_commits = []
    
    def cherry_pick(self, commit_hash, repo):
        try:
            result = repo.git.cherry_pick(commit_hash)
            self.applied_commits.append(commit_hash)
            return f"A…
14 0 Open
Git + Python medium

How to Mock Git Pre-commit Hooks (black and ruff) in Python

Mock subprocess to test black and ruff pre-commit commands without actually running them, verifying exit codes.

git pre-commit mocking
Python
import sys
import subprocess
from unittest.mock import patch

def run_hook(command: list[str]) -> int:
    with patch("subprocess.run") as mock_run:
        mock_run.return_value.returncode = 0
        mock_run.return_value.stdout = f"Mocked: {' '.join(command)}"
        result = subprocess.run(command, capture_output…
16 0 Open
Git + Python medium

How to Mock Git Stash and Pop in Python

Mock Git stash, apply, and pop operations using unittest.mock so you can test Git automation without touching a real repository.

git mock gitpython
Python
import git
from unittest.mock import Mock, patch

def stash_and_pop(repo):
    """Mock a stash operation and then pop it back."""
    repo.git.stash("save", "WIP: temp changes")
    stashed_output = repo.git.stash("list")
    
    # Simulate the stash was applied, then pop
    repo.git.stash("apply", "stash@{0}")
    …
14 0 Open
Git + Python medium

How to Mock open() in Python Using unittest.mock.patch

This code shows how to use unittest.mock.patch with mock_open to test a function that checks if a Git patch can be reverse-applied by reading file content.

unittest mocking git
Python
import unittest
from unittest.mock import patch, mock_open


def apply_reverse_check(file_path, expected_patch):
    """
    Check if a patch can be reverse-applied by comparing file content
    with the expected patch's reverse result.
    """
    try:
        with open(file_path, "r") as f:
            content = f.r…
15 0 Open
Git + Python medium

How to generate and parse an interactive rebase TODO list in Python

Generate a Git interactive rebase TODO list from commit data and parse it back into structured records.

git rebase automation
Python
import re
from collections import namedtuple

Commit = namedtuple("Commit", ["hash", "subject"])

def generate_rebase_todo(commits, action="pick"):
    todo_lines = []
    for i, commit in enumerate(commits):
        if i == 0 and action == "reword":
            todo_lines.append(f"reword {commit.hash} {commit.subject…
11 0 Open
Git + Python medium

Show Blame Line Author with subprocess in Python

This Python script runs git blame --line-porcelain via subprocess and counts how many lines each author owns in a file.

git subprocess blame
Python
import subprocess
from collections import Counter

def get_blame_authors(file_path):
    """Extract author names from git blame output using subprocess."""
    result = subprocess.run(
        ["git", "blame", "--line-porcelain", file_path],
        capture_output=True,
        text=True,
        check=True,
    )
   …
11 0 Open

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Git + Python — Python code examples

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This page collects git + python snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

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