Scrapy is a powerful and flexible open-source web scraping framework that allows you to write spiders to scrape data from the web. Before you can start using Scrapy, there are a few prerequisites you need to have.
Python: Scrapy is a Python framework, so you need to have Python installed on your computer. Scrapy supports Python 3.5 and above.
pip: pip is the package installer for Python. You need it to install Scrapy.
Scrapy: After you have installed Python and pip, you can use pip to install Scrapy.
Knowledge of Python: Since Scrapy is a Python framework, having a basic understanding of Python is necessary to use Scrapy.
Knowledge of HTML and CSS: In order to instruct Scrapy on what data to scrape, you need to have a basic understanding of HTML and CSS. This is because you will need to use CSS or XPath selectors to select the data you want to scrape.
Development Tools: Access to a code editor or IDE (Integrated Development Environment) like PyCharm, Visual Studio Code, Jupyter Notebook, etc. where you can write and test your Scrapy code.
Installation
Once you have Python and pip installed, you can install Scrapy by running the following command in your terminal:
pip install Scrapy
For Windows users, you might need to use the following command:
python -m pip install Scrapy
To verify that Scrapy was installed successfully, you can run the following command:
scrapy version
This should output the version of Scrapy that you have installed.
Learning Resources
To learn how to use Scrapy, you can check out the Scrapy tutorial on the official Scrapy website. The tutorial will guide you on how to create a spider to scrape quotes from a website.
You can also check out the Scrapy documentation which provides a comprehensive guide on how to use all the features provided by Scrapy. There are also many tutorials and guides available online that you can use to learn Scrapy.