Developed Techniques for JSON Data Extraction

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📅 2023-10-22 — Session: Developed Techniques for JSON Data Extraction

🕒 01:00–01:25
🏷️ Labels: JSON, Web Scraping, Python, Javascript, Beautifulsoup
📂 Project: Dev
⭐ Priority: MEDIUM

Session Goal

The session aimed to explore and develop methods for extracting JSON data from HTML and JavaScript sources using Python and JavaScript.

Key Activities

  • Explored methods to extract JSON data from HTML <script> tags using Python and BeautifulSoup.
  • Investigated techniques for parsing JSON data embedded in JavaScript variables, specifically window.__PRELOADED_STATE__.
  • Addressed error handling strategies for truncated JSON content and corrected library import oversights.
  • Implemented regular expressions to extract JSON when it is not located in expected script tags.
  • Developed a Python script to scrape product metadata from HTML using BeautifulSoup, focusing on extracting title, description, image URL, and product URL.

Achievements

  • Successfully extracted JSON data from both HTML and JavaScript sources.
  • Corrected errors related to library imports and variable loss in JavaScript.
  • Enhanced understanding of error handling in JSON processing.

Pending Tasks

  • Further refine regular expression patterns for more robust JSON data extraction.
  • Explore additional error handling techniques for incomplete JSON data.

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