On this page you find all important commands for the CLI tool scrapy. If the
command you are looking for is missing please ask our AI.
scrapy
Scrapy is a powerful and open-source command-line tool used for web scraping and web crawling. It is written in Python and designed specifically for scraping large amounts of data from websites.
- Scrapy provides a framework for building web crawlers that can navigate websites, extract data, and store it in various formats like CSV, JSON, or databases.
- It follows a robust and flexible architecture, allowing developers to customize and extend its functionality according to specific scraping requirements.
- The tool includes built-in support for handling common web scraping challenges, such as handling cookies, handling JavaScript-rendered pages, and handling user sessions.
- It supports concurrent requests and asynchronous processing, enabling fast and efficient scraping of multiple websites simultaneously.
- Scrapy uses selectors, such as XPath or CSS, to define the desired data to be extracted from HTML or XML documents.
- It provides a command-line interface that allows users to create and manage Scrapy projects, run crawlers, and handle scraping tasks.
- Scrapy supports automatic throttling and request delays, helping to avoid overloading websites or getting blocked by anti-scraping measures.
- It supports various advanced features like spider middleware, item pipelines, and user-agent rotation, offering complete control over the scraping process.
- Scrapy integrates well with other Python libraries and frameworks, making it easier to leverage their functionalities in the scraping workflow.
- The Scrapy community is active and supportive, offering extensive documentation, tutorials, and a dedicated marketplace for sharing Scrapy projects and extensions.
List of commands for scrapy:
-
scrapy:tldr:0dbaa scrapy: Open a webpage in the default browser as Scrapy sees it (disable JavaScript for extra fidelity).$ scrapy view ${url}try on your machineexplain this command
-
scrapy:tldr:1a91f scrapy: Run spider (in project directory).$ scrapy crawl ${spider_name}try on your machineexplain this command
-
scrapy:tldr:2dfb9 scrapy: Edit spider (in project directory).$ scrapy edit ${spider_name}try on your machineexplain this command
-
scrapy:tldr:9f2bb scrapy: Fetch a webpage as Scrapy sees it and print the source to `stdout`.$ scrapy fetch ${url}try on your machineexplain this command
-
scrapy:tldr:a72c9 scrapy: Open Scrapy shell for URL, which allows interaction with the page source in a Python shell (or IPython if available).$ scrapy shell ${url}try on your machineexplain this command
-
scrapy:tldr:e9346 scrapy: Create a spider (in project directory).$ scrapy genspider ${spider_name} ${website_domain}try on your machineexplain this command
-
scrapy:tldr:ea96e scrapy: Create a project.$ scrapy startproject ${project_name}try on your machineexplain this command