pip install –r ./requirements.txt 报错改成 pip install -r requirements.txt 成功

weixin_30651273

于 2019-03-29 14:08:00 发布

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文章标签： python

原文链接：http://www.cnblogs.com/stillstep/p/10620900.html

在尝试使用`pip install –r ./requirements.txt`安装Python依赖时遇到错误，通过将命令修改为`pip install -r requirements.txt`成功解决问题。此方法适用于处理命令行中特殊字符导致的安装失败情况。

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Invalid requirement: '–r'
Traceback (most recent call last):
  File "/home/dev/.pyenv/versions/3.6.1/envs/env361/lib/python3.6/site-packages/pip/_vendor/packaging/requirements.py", line 92, in __init__
    req = REQUIREMENT.parseString(requirement_string)
  File "/home/dev/.pyenv/versions/3.6.1/envs/env361/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 1617, in parseString
    raise exc
  File "/home/dev/.pyenv/versions/3.6.1/envs/env361/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 1607, in parseString
    loc, tokens = self._parse( instring, 0 )
  File "/home/dev/.pyenv/versions/3.6.1/envs/env361/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/home/dev/.pyenv/versions/3.6.1/envs/env361/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 3376, in parseImpl