🧹 [code health improvement] Use logging instead of print in converter.py and fetcher.py

[frostmute]

This PR replaces print statements in the claw2manus library with the standard logging module. This improvement enhances maintainability and allows consumers of the library to control log output.

🎯 What:

• Added package-level logging configuration in claw2manus/__init__.py.
• Replaced all print calls in claw2manus/converter.py and claw2manus/fetcher.py with appropriate logging calls.
• Configured logging.basicConfig in claw2manus/cli.py to preserve console output.
• Removed dead code (commented-out prints) in claw2manus/validators.py.

💡 Why:

• Library code should avoid using print as it pollutes stdout/stderr of the calling application. Using logging is the standard practice for Python libraries.

✅ Verification:

• Verified code changes via read_file and grep.
• Ran a verification script (verify_logging.py) with mocked dependencies (since yaml, requests, etc. were missing in the environment) to confirm loggers are correctly initialized and functional.
• Received a #Correct# rating from code review.

✨ Result:

• Improved library maintainability and compliance with Python development best practices.

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PR created automatically by Jules for task 13484029814748313138 started by @frostmute

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[gemini-code-assist]

Code Review

This pull request replaces standard print statements with a structured logging system across the claw2manus package, including the addition of a NullHandler in the package root and basic configuration in the CLI. The review feedback recommends further improvements to the logging implementation, specifically using logger.exception() within except blocks to capture full stack traces and adopting lazy string formatting instead of f-strings to avoid unnecessary interpolation.

[gemini-code-assist]

Within an except block, it is recommended to use logger.exception() instead of logger.error(). This ensures the full stack trace is captured, which is crucial for troubleshooting. Additionally, using lazy formatting (passing arguments to the logger) is preferred over f-strings in logging to avoid unnecessary string interpolation when the log level is disabled.

Suggested change

	logger.error(f"Error loading config from {config_path}: {e}")
	logger.exception("Error loading config from %s", config_path)

[gemini-code-assist]

In an except block, use logger.exception() to automatically include the stack trace in the log output. This is significantly more helpful for debugging than just logging the string representation of the exception. Also, prefer lazy formatting (passing arguments to the logger) over f-strings to avoid unnecessary string interpolation.

Suggested change

	logger.error(f"Error fetching from GitHub: {e}")
	logger.exception("Error fetching from GitHub")

[gemini-code-assist]

In an except block, use logger.exception() to automatically include the stack trace in the log output. This is significantly more helpful for debugging than just logging the string representation of the exception. Also, prefer lazy formatting (passing arguments to the logger) over f-strings to avoid unnecessary string interpolation.

Suggested change

	logger.error(f"Error scraping from clawhub.ai: {e}")
	logger.exception("Error scraping from clawhub.ai")

[gemini-code-assist]

In an except block, use logger.exception() to automatically include the stack trace in the log output. This is significantly more helpful for debugging than just logging the string representation of the exception. Also, prefer lazy formatting (passing arguments to the logger) over f-strings to avoid unnecessary string interpolation.

Suggested change

	logger.error(f"Error discovering author via GitHub: {e}")
	logger.exception("Error discovering author via GitHub")

[gemini-code-assist]

Prefer lazy formatting (e.g., logger.info('message %s', arg)) over f-strings for logging. This avoids the overhead of string interpolation if the current log level is higher than INFO, which is a best practice for Python libraries.

Suggested change

	logger.info(f"Author not specified for '{skill_identifier}'. Attempting to discover via GitHub API...")
	logger.info("Author not specified for '%s'. Attempting to discover via GitHub API...", skill_identifier)

[gemini-code-assist]

Prefer lazy formatting (e.g., logger.info('message %s', arg)) over f-strings for logging. This avoids the overhead of string interpolation if the current log level is higher than INFO, which is a best practice for Python libraries.

Suggested change

	logger.info(f"Discovered author: {discovered_author}")
	logger.info("Discovered author: %s", discovered_author)

[gemini-code-assist]

Prefer lazy formatting (e.g., logger.info('message %s', arg)) over f-strings for logging. This avoids the overhead of string interpolation if the current log level is higher than INFO, which is a best practice for Python libraries.

Suggested change

	logger.info(f"Falling back to scraping from {self.CLAW_HUB_WEBSITE_URL.format(name=skill_identifier)}...")
	logger.info("Falling back to scraping from %s...", self.CLAW_HUB_WEBSITE_URL.format(name=skill_identifier))