Feature/improve scraping rules: Improve Scraping Rules & Error Handling #7
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- Updated the LinkExtractor in ScpTaleSpider to deny links matching specific patterns, improving the relevance of parsed tales.
- this fixes unintend removal of Linkextractor Rule
- Add checks for empty responses and missing 'body' in JSON - Log errors for various failure scenarios to improve debugging - Ensure robust parsing of history HTML to prevent crashes
- Handle empty history cases by returning an empty list - Support both dict and list formats for history input - Safely parse date strings with error handling - Sort revisions by date, ensuring robustness against missing values
- Use `get` method to safely access history in hubs and items - Prevent potential KeyError by ensuring history key is present
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Description
Improves crawling efficiency and robustness by filtering out irrelevant pages and enhancing error handling during history retrieval.
Changes
Tale Spider Optimization
Problem: Spider was crawling 13,792+ pages but only ~6,374 were actual tales, wasting 47+ minutes on irrelevant system pages.
Solution: Added
denyrules to filter out non-content pages:Impact: Reduces crawl time by avoiding ~7,400 unnecessary page requests.
Enhanced Error Handling
try-exceptblocks to gracefully handle missinghistorydatahistorykey exists in items before processing to preventKeyErrorsRobustness Improvements
historylookup fails (returns empty dict instead of crashing)historydata structure before sortingTesting