mac同时有python的2和3版本,在终端输入:
pip3 install Scrapy
注意Scrapy中S大写。
安装完毕。
如何验证scrapy安装成功?
gndeMacBook-Pro:~ gn$ scrapy
Scrapy 2.4.1 - no active project
Usage:
scrapy <command> [options] [args]
Available commands:
bench Run quick benchmark test
commands
fetch Fetch a URL using the Scrapy downloader
genspider Generate new spider using pre-defined templates
runspider Run a self-contained spider (without creating a project)
settings Get settings values
shell Interactive scraping console
startproject Create new project
version Print Scrapy version
view Open URL in browser, as seen by Scrapy
[ more ] More commands available when run from project directory
Use "scrapy <command> -h" to see more info about a command
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