Reference library

Python Code Samples

Copy-ready Python snippets by topic and difficulty — short, focused, and runnable in the browser editor.

6 matches
Automation & scripting medium

Automatically Download the Latest Software Release from GitHub with Python

Use the GitHub API to fetch the latest release metadata and download the first asset (binary or archive) to a local directory.

github api download
Python
import requests
import sys
from pathlib import Path

def download_latest_release(owner: str, repo: str, output_dir: str = ".") -> None:
    """Download the latest release asset from a GitHub repository."""
    url = f"https://api.github.com/repos/{owner}/{repo}/releases/latest"
    response = requests.get(url)
    res…
62 0 Open
Automation & scripting medium

How to Download All Assets from GitHub Releases in Python

Downloads every asset attached to the latest GitHub release of a repository, saving them locally using the GitHub API and Python's requests and pathlib libraries.

github api downloading
Python
import requests
import os
import zipfile
from pathlib import Path

def download_github_release_assets(owner: str, repo: str, output_dir: str = "release_assets") -> None:
    """Downloads all assets from the latest release of a GitHub repository."""
    releases_url = f"https://api.github.com/repos/{owner}/{repo}/relea…
39 0 Open
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

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
Streaming & messaging medium

How to Build a Flow Control Credit Window in Python

A Python class that reserves, confirms, releases, and settles credit to limit message flow and prevent overload in streaming pipelines.

flow-control credit-window streaming
Python
class CreditWindow:
    def __init__(self, max_credit=1000):
        self.max_credit = max_credit
        self.used_credit = 0
        self.pending_credit = 0
    
    def try_reserve(self, amount):
        available = self.max_credit - self.used_credit - self.pending_credit
        if available >= amount:
           …
14 0 Open
Database scaling & optimization medium

How to Build a Connection Pool Reuse Mock in Python

Build a mock connection pool with context manager to track connection reuse, acquires, and releases in Python.

connection-pool context-manager database
Python
import time
from contextlib import contextmanager


class Connection:
    def __init__(self, name):
        self.name = name
        self.in_use = False
        self.busy_since = None

    def fetch(self):
        return f"data from {self.name}"


class ConnectionPool:
    def __init__(self, size=3):
        self.conn…
13 0 Open

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Guide: free Python code samples library

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PythonSkillset code samples are short, focused examples organised by topic and difficulty. Every snippet is server-rendered HTML — readable by search engines and easy to copy. Open any sample, read the notes, copy the code, then press Try in editor to run it in the browser with Pyodide.

How to use this library

  1. Pick a topic section — strings, lists, files, functions, and more
  2. Open a sample, read How it works, and copy the code block
  3. Run it in the IDE, tweak values, then take a related quiz or tutorial lesson

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.