scrapy
Scrapy is an open-source Python library for web scraping. It allows developers to extract structured data from websites using a simple and consistent interface.
Scrapy provides:
- A built-in way to follow links and extract data from multiple pages (crawling)
- Handling common web scraping tasks such as logging in, handling cookies, and handling redirects.
Scrapy is built on top of the Twisted networking engine, which provides a non-blocking way to handle multiple requests at the same time, allowing Scrapy to efficiently scrape large websites.
It also comes with a built-in mechanism for handling common web scraping problems, such as:
- handling HTTP errors
- handling broken links
Scrapy also provide these features:
- Support for storing scraped data in various formats, such as CSV, JSON, and XML.
- Built-in support for selecting and extracting data using XPath or CSS selectors (through
parsel). - Built-in support for handling common web scraping problems (like deduplication and url filtering).
- Ability to easily extend its functionality using middlewares.
- Ability to easily extend output processing using pipelines.
Highlights
popularcss-selectorsxpath-selectorscommunity-toolsoutput-pipelinesmiddlewaresasyncproductionlarge-scale