mac scrapy安装常见错误

安装命令行工具

xcode-select --install 

已经安装xcode的,在其偏好设置中指定

pip install scrapy

验证

安装好之后再终端输入scrapy,出现如下提示,则安装成功

Usage:  scrapy <command> [options] [args]Available commands:  bench         Run quick benchmark test  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

常见报错

command '/usr/bin/clang' failed with exit status 1没有安装命令行工具