scraper-pro（刮刀专业版）

Data Scraper

Extract structured data from websites and APIs.

Quick Start

# Basic page scrape
python scripts/scrape.py https://example.com --output data.json

Core Features

• CSS/XPath selectors: Target specific elements
• Multiple output formats: JSON, CSV, Markdown
• Pagination support: Scrape multiple pages
• Rate limiting: Respect server limits
• Authentication: Handle login/sessions

Usage

python scripts/scrape.py [OPTIONS]

Options:
  --url TEXT          URL to scrape (required)
  --selector TEXT     CSS selector for data extraction
  --output PATH       Output file path
  --format FORMAT     Output format: json, csv, markdown
  --limit NUM         Maximum items to scrape
  --wait SECS         Wait between requests
  --login URL         Login URL for authenticated scraping

Examples

Product Price Collection

python scripts/scrape.py \
  --url "https://example.com/products" \
  --selector ".product" \
  --output prices.json \
  --format json

News Article Aggregation

python scripts/scrape.py \
  --url "https://news.example.com/latest" \
  --selector "article" \
  --output news.md \
  --format markdown

Configuration File

Create scrape.yaml for complex scraping:

url: https://example.com/products
selectors:
  items: ".product-card"
  title: ".product-title"
  price: ".price::text"
  image: "img::attr(src)"
  link: "a::attr(href)"

pagination:
  type: click
  button: ".next-page"
  max_pages: 10

output:
  format: json
  file: products.json

Best Practices

1. Check robots.txt before scraping
2. Add delays between requests
3. Cache responses for development
4. Handle errors gracefully
5. Store raw HTML for debugging

Legal Note

Ensure you have permission to scrape target websites. Check Terms of Service and robots.txt.