Python in Action: 60 Mini Projects to Automate Everything — Part 2 is where Python goes online.
If Part 1 helped you build solid foundations—project structure, clean CLIs, logging, validation, and real-world data handling—Part 2 (Mini Projects 21–40) teaches you how to work with the outside world: websites that change, services that rate-limit you, flaky connections, inconsistent responses, and data you can’t trust until you validate it.
This volume is built for doing, not skimming. Each mini project ends with a practical tool you can reuse: scrapers that export clean datasets, monitors that detect changes, downloaders that save files with sane names, and API clients that behave like professional software.
What you’ll build in Part 2
Block 3 — Responsible Web Scraping & Web Automation (21–30)

Headline scraper (title/date/link) → CSV
Pagination scraper that consolidates results
Rate limiting with retries and backoff
HTML table extraction and normalization
Change monitor (diff + alerts)
Price/stock monitor (report mode)
PDF downloader with clean filenames
Page archiver (HTML + metadata + hash)
Feed builder (scraping → RSS/JSON)
A “polite” scraper: cache, user-agent, basic robots awareness, retries, and logs

Block 4 — APIs: Consume Services Like a Pro (31–40)

Simple GET/POST client with consistent error handling
Token authentication + simulated refresh
Universal pagination with generators
Rate limit handler that respects response headers
Local TTL caching to reduce calls
Offline mode: fall back to cache when the API fails
Response validation with Pydantic + readable errors
Batch requests with controlled concurrency
Sync remote data to a local store using upsert logic
A mini SDK package with docs, examples, and automated tests

Who this book is for

Python learners who want real projects, not toy examples
Developers who can write scripts but want tools that don’t break
Anyone who wants a practical roadmap to web automation and API engineering

If you want Python to do more than run locally—if you want it to collect, verify, store, and deliver information reliably—Part 2 is your next step.

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