better normalize_url

[bigbrother666sh]

Summary

Improved utils.normalize_url functionality:

1. Can handle more edge cases;
2. Add the function to remove tracking parameters, enhancing privacy and anti-crawling capabilities.

Checklist:

• [✓ ] My code follows the style guidelines of this project
• [✓ ] I have performed a self-review of my own code
• [ ✓] I have commented my code, particularly in hard-to-understand areas
• [✓ ] I have made corresponding changes to the documentation
• [✓ ] I have added/updated unit tests that prove my fix is effective or that my feature works
• [✓ ] New and existing unit tests pass locally with my changes

Summary by CodeRabbit

• New Features
  • Improved URL normalization to handle various URL formats and prefixes.
  • Automatic removal of common tracking parameters from URLs for cleaner links.
  • Enhanced asynchronous logging with more efficient and reliable file handling using a new logging library.

[coderabbitai[bot]]

"""

Walkthrough

The normalize_url function in crawl4ai/utils.py was extensively rewritten. The update introduces logic to remove a comprehensive set of tracking parameters from URLs and improves normalization by handling various URL prefix formats. The function now reconstructs cleaned URLs and includes fallback logic for error scenarios. Additionally, crawl4ai/async_logger.py replaced manual asynchronous file writing with the loguru logging library, removing the _write_to_file method and configuring loguru for async file logging.

Changes

File(s)	Change Summary
crawl4ai/utils.py	Rewrote normalize_url to robustly handle URL normalization, explicitly remove many tracking parameters, and add fallback error handling. Function signature unchanged.
crawl4ai/async_logger.py	Removed _write_to_file method; integrated loguru logger for asynchronous file logging with rotation and diagnostics; added self.loguru_logger attribute; console logging unchanged.

Poem

A hop and a skip through the URLs we go,
Stripping the trackers, making them slow.
From "utm_source" to "fbclid"—all swept away,
Leaving clean links to brighten the day.
With whiskers twitching, I tidy each string—
Now only pure paths do my rabbit hops bring! 🐇✨

And logs now dance with loguru's light,
Async and swift, they leap through the night! 📜🐰 """

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