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  • 安装scrapy报错

    UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc8 in position 3: invalid continuation byte

    python 3.6;安装scrapy框架 ;报错;UnicodeDecodeError:'utf-8' codec can't decode byte 0xc8 in position 3: invalid continuation byte

    Exception:

    Traceback (most recent call last):
      File "d:program files (x86)pythonpython36libsite-packagespipcompat\__init__.py", line 73, in console_to_str
        return s.decode(sys.__stdout__.encoding)
    UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc8 in position 3: invalid continuation byte


    During handling of the above exception, another exception occurred:


    Traceback (most recent call last):
      File "d:program files (x86)pythonpython36libsite-packagespipasecommand.py", line 215, in main
        status = self.run(options, args)
      File "d:program files (x86)pythonpython36libsite-packagespipcommandsinstall.py", line 342, in run
        prefix=options.prefix_path,
      File "d:program files (x86)pythonpython36libsite-packagespip eq eq_set.py", line 784, in install
        **kwargs
      File "d:program files (x86)pythonpython36libsite-packagespip eq eq_install.py", line 878, in install
        spinner=spinner,
      File "d:program files (x86)pythonpython36libsite-packagespiputils\__init__.py", line 676, in call_subprocess
        line = console_to_str(proc.stdout.readline())
      File "d:program files (x86)pythonpython36libsite-packagespipcompat\__init__.py", line 75, in console_to_str
        return s.decode('utf_8')

    UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc8 in position 3: invalid continuation byte

    根据trackback信息找到文件d:program files (x86)pythonpython36libsite-packagespipcompat\__init__.py

    相关代码为

    sys.__stdout__.encoding指的是什么呢?根据 'utf-8' codec can't decode byte 0xc8 in position 3: invalid continuation byte

    应该是utf-8

    方法一:

    我们把73行的sys.__stdout__.encoding改为‘gbk’ 就万事大吉了。

    具体为什么是‘gbk ’ 因为被‘gbk’虐太多次了一有问题基本上就是这个玩意,也可能是Windows系统的原因

    ctrl+s保存下

    重新输入安装命令pip install Scrapy

    安静安静

    安装成功后,我选择把sys.__stdout__.encoding改回去(虽然以后都在win下弄,但还是小心点好。。),小心翼翼的闭嘴

    方法二(未测试):

    import sys

    sys.setdefaultencoding('gbk')

    #把sys.__stdout__.encoding改成‘gbk’ ?

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  • 原文地址:https://www.cnblogs.com/xc1234/p/9054932.html
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