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Git + Python

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

12 matches
Git + Python easy

Create a Mock GitHub Release API in Python for Testing gh CLI

Build an in-memory GitHub Releases API mock that mimics create_release and list_releases for unit testing gh CLI stubs without network calls.

mock-api github testing
Python
import json
from unittest.mock import patch, Mock

class GitHubReleaseAPI:
    """Mock GitHub Releases API for testing gh CLI stub behavior."""
    
    def __init__(self):
        self.releases = {}
        self.counter = 1
    
    def create_release(self, repo, tag, name=None, notes=None):
        release_id = self…
16 0 Open
Git + Python easy

Git Signing in Python

Sign and verify Git commits with a mock GPG implementation using HMAC and SHA-256.

git signing hmac
Python
import hashlib
import hmac

class GPGMock:
    def __init__(self, secret_key):
        self.secret_key = secret_key.encode()

    def sign_commit(self, commit_message):
        """Mock GPG signing by computing an HMAC of the commit message."""
        signature = hmac.new(self.secret_key, commit_message.encode(), hash…
13 0 Open
Git + Python easy

How to Filter Git History to Remove Secret File Entries in Python

A pure-Python mock that filters a repository's history to drop any commit that touched a secret file, so you can plan a cleanup before rewriting Git history.

git secrets history
Python
from pathlib import Path
import json

def filter_history(history, secret_path):
    """Remove entries that touch the secret file."""
    return [entry for entry in history if secret_path not in entry["files"]]

if __name__ == "__main__":
    repo_history = [
        {"commit": "a1b2c3", "message": "Add app", "files": …
10 0 Open
Git + Python easy

How to Generate Git LFS Extension Patterns in Python

This script builds mock Git LFS file patterns for common geospatial extensions and filters them based on compression suffixes.

git lfs geospatial
Python
import itertools
import re

LFS_EXTENSIONS = {".csv", ".geojson", ".tif", ".shp", ".gpkg"}

def build_mock_lfs_pattern(base_name="data_usgs_lidar"):
    patterns = []
    for ext in sorted(LFS_EXTENSIONS):
        for variant in (("", ".lz4"), (".compressed",), (".b", ".a"), ("_v1", ".zip")):
            full_pattern …
11 0 Open
Git + Python easy

How to Mock Git Clean Dry Run in Python

Simulate the output of `git clean -n` in Python to preview which untracked files would be removed without actually deleting them.

git clean dry-run
Python
import subprocess
import sys

def mock_git_clean_dry_run(untracked_files):
    """Simulate `git clean -n` for a given list of untracked files."""
    if not untracked_files:
        print("No untracked files to remove.")
        return

    print("Would remove:")
    for file in untracked_files:
        print(f"  {fil…
14 0 Open
Git + Python easy

How to Mock Git Worktree Creation in Python

Create a mock Git worktree setup with parallel branch directories and state files for testing or simulation.

git worktree mock
Python
import os
import tempfile
from pathlib import Path

def create_mock_worktree(base_dir: Path, branches: list[str]) -> dict[str, Path]:
    """
    Mock Git worktree creation: creates parallel directories for each branch
    under the base directory, simulating independent worktrees.
    """
    worktrees = {}
    for b…
14 0 Open
Git + Python easy

How to Mock git sparse-checkout Paths in Python

Simulates git sparse-checkout configuration by writing desired paths to the sparse-checkout file without running git commands.

git sparse-checkout mocking
Python
import subprocess
from pathlib import Path
import tempfile


def configure_sparse_checkout(repo_dir: Path, paths: list[str]) -> list[str]:
    """Simulate sparse checkout configuration by returning the paths that would be set."""
    sparse_checkout_file = repo_dir / ".git" / "info" / "sparse-checkout"
    sparse_chec…
10 0 Open
Git + Python easy

How to Mock subprocess.run in Python Tests

Mock subprocess.run to test a Git submodule update command without executing it in your test suite.

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

def update_submodules():
    subprocess.run(["git", "submodule", "update", "--init", "--recursive"], check=True)

with patch("subprocess.run") as mock_run:
    mock_run.return_value = Mock(returncode=0)
    update_submodules()
    mock_run.assert_called_once_wit…
13 0 Open
Git + Python easy

How to Revert a Commit and Create a New Revert Commit in Python

Demonstrates a mock Git repository that creates a new revert commit on top of the current head when reverting an existing commit.

git revert mock
Python
class GitCommit:
    """Minimal mock of a git commit for demonstrating revert behavior."""
    def __init__(self, sha, message):
        self.sha = sha
        self.message = message
        self.parent = None


class GitRepository:
    """Mock repository tracking a simple commit chain."""
    def __init__(self):
    …
13 0 Open
Git + Python easy

How to Squash Commits Range into One in Python

A mock script that displays the last N git commits as a single squashed commit, showing original commit subjects.

git commits subprocess
Python
import subprocess
import re

def squash_last_commits(count):
    """Mock squashing the last N commits into one by display."""
    git_log = subprocess.run(
        ["git", "log", f"-{count}", "--pretty=format:%h %s"],
        capture_output=True, text=True
    )
    if git_log.returncode != 0:
        return "Git comm…
16 0 Open
Git + Python easy

Merge branch no ff mock in Python

Simulate a Git non-fast-forward merge in Python, producing a synthetic merge commit log for branches with differing SHAs.

git merge simulation
Python
class MergeResult:
    def __init__(self, base, branch):
        self.base = base
        self.branch = branch
        self.commit_log = []
        self.merged = False

    def simulate_merge(self):
        """Simulate a 'no-ff' merge by creating a new commit that references both branches."""
        if self.base == s…
13 0 Open
Git + Python easy

Upload Assets to GitHub Release with Python Mock

Simulates uploading binary and text assets to a GitHub release using a mock server, returning structured metadata for each upload.

git github releases
Python
import json
import os
import tempfile
from datetime import datetime

class ReleaseUploader:
    """Simulates uploading assets to a release with a mock server."""
    
    def __init__(self, owner: str, repo: str, tag: str):
        self.owner = owner
        self.repo = repo
        self.tag = tag
        self.uploade…
12 0 Open

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Git + Python — Python code examples

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