Implemented robust web scraping with error handling
- Day: 2023-04-16
- Time: 20:40 to 21:05
- Project: Dev
- Workspace: WP 2: Operational
- Status: Completed
- Priority: MEDIUM
- Assignee: Matías Nehuen Iglesias
- Tags: Web Scraping, Python, Beautifulsoup, Error Handling, Selenium
Description
Session Goal:
The session aimed to develop a robust web scraping script using Python, BeautifulSoup, and Pandas, focusing on error handling and dynamic content extraction.
Key Activities:
- Implemented a Python script using BeautifulSoup to scrape news articles from a specified website and store the data in a Pandas DataFrame.
- Enhanced the script with error handling to manage missing data for article titles, sections, authors, and dates by assigning
Nonewhen values are not available. - Utilized try-except blocks to handle cases where article titles or dates may be missing.
- Added conditional checks to avoid errors when accessing missing elements, specifically setting the
hrefvalue to ‘No href’ when the anchor tag is absent. - Integrated DataFrame to include an ‘href’ column in the resulting data.
- Explored the use of Selenium for scraping dynamically loaded content, acknowledging the limitations of BeautifulSoup for such tasks and emphasizing legal and ethical considerations.
- Provided guidance on resolving the
gaierrorencountered when connecting to non-existent URLs.
Achievements:
- Successfully developed a web scraping script with comprehensive error handling mechanisms.
- Identified and addressed limitations in scraping dynamically loaded content.
Pending Tasks:
- Explore further optimization of the scraping process for performance improvements.
- Investigate additional legal and ethical guidelines for web scraping.
Evidence
- source_file=2023-04-16.sessions.jsonl, line_number=4, event_count=0, session_id=e122ae6c9bd7f500442aeaa7a6a0587ecb6b782a969e158174f27da255da35b3
- event_ids: []