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1.看到相关文档写到安装srcrapy,只要python安装时有点选pip,并且添加到path中,就可以在命令符窗口下直接输入:pip install scrapy 因此我也按照此步骤操作 出现了以下提示:
Traceback (most recent call last): File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\basecommand.py", line 215, in main status = self.run(options, args) File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\commands\install.py", line 342, in run prefix=options.prefix_path, File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_set.py", line 784, in install **kwargs File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_install.py", line 878, in install spinner=spinner, File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\utils\__init__.py", line 676, in call_subprocess line = console_to_str(proc.stdout.readline()) File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\compat\__init__.py", line 75, in console_to_str return s.decode('utf_8')UnicodeDecodeError: 'utf-8' codec can't decode byte 0xa1 in position 72: invalid start byte 解决方法:
打开python安装目录\python36\lib\site-packages\pip\compat\__init__.py约75行return s.decode('utf_8') 改为return s.decode('cp936')
2.继续按照上述操作,在命令符窗口输入:pip install scrapy,结果出现一下错误:
解决方法:
下载twisted对应版本的whl文件(如Twisted-17.5.0-cp35-cp35m-win_amd64.whl),cp后面是Python版本,amd64代表64位,运行安装命令:
pip install 存放路径\Twisted-17.5.0-cp35-cp35m-win_amd64.whl
备注:这里amd后面的32、64一定要和自己电脑上安装的python一致
之后执行pip install scrapy 安装成功
以上是自学过程中遇到的问题,总结一下,方便以后查阅