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Git + Python

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

4 matches
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 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 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

Mock smtplib to Test Patch Email Series in Python

Simulate sending a numbered series of patch emails with smtplib and verify the calls using unittest.mock without a real mail server.

smtplib unittest.mock email
Python
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from unittest.mock import patch, Mock

def send_patch_series(subject_prefix, patches, smtp_host="localhost", smtp_port=25):
    """Simulate sending a series of patch emails."""
    for i, patch_content in enumerate(patch…
13 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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