[已解决]请教大佬

焦健鬼

请教大佬,这是什么意思,下载flask(pip install Flask -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com)

1. Usage:
   
2.   pip install [options] <requirement specifier> ...
   
3.   pip install [options] -r <requirements file> ...
   
4.   pip install [options] [-e] <vcs project url> ...
   
5.   pip install [options] [-e] <local project path> ...
   
6.   pip install [options] <archive url/path> ...
   
7. 
   
8. no such option: --trusted-host

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最佳答案

月排行榜 / 总排行榜

永恒的蓝色梦想

2020-5-21 16:56:19

Try this!

1. pip install -i http://pypi.douban.com/simple --trusted-host pypi.douban.com Flask

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跳转到最佳答案楼层

永恒的蓝色梦想

Try this!

1. pip install -i http://pypi.douban.com/simple --trusted-host pypi.douban.com Flask

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焦健鬼

永恒的蓝色梦想 发表于 2020-5-21 16:56
Try this!

Usage:
  pip install [options] <requirement specifier> ...
  pip install [options] -r <requirements file> ...
  pip install [options] [-e] <vcs project url> ...
  pip install [options] [-e] <local project path> ...
  pip install [options] <archive url/path> ...

no such option: --trusted-host

永恒的蓝色梦想

焦健鬼 发表于 2020-5-21 17:00
Usage:
  pip install [options]  ...
  pip install [options] -r  ...

那就删了PIP重装

焦健鬼

永恒的蓝色梦想 发表于 2020-5-21 17:05
那就删了PIP重装

为啥pipinstall flask:

1. Downloading/unpacking flask
   
2. Downloading/unpacking Jinja2>=2.10.1 (from flask)
   
3. Downloading/unpacking itsdangerous>=0.24 (from flask)
   
4.   Downloading itsdangerous-1.1.0-py2.py3-none-any.whl
   
5. Downloading/unpacking Werkzeug>=0.15 (from flask)
   
6. Downloading/unpacking click>=5.1 (from flask)
   
7. Downloading/unpacking MarkupSafe>=0.23 (from Jinja2>=2.10.1->flask)
   
8.   Downloading MarkupSafe-1.1.1.tar.gz
   
9.   Running setup.py (path:c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\MarkupSafe\setup.py) egg_info for package MarkupSafe
   
10.     C:\Python27\lib\distutils\dist.py:267: UserWarning: Unknown distribution option: 'project_urls'
    
11.       warnings.warn(msg)
    
12.     C:\Python27\lib\distutils\dist.py:267: UserWarning: Unknown distribution option: 'python_requires'
    
13.       warnings.warn(msg)
    
14. 
    
15.     no previously-included directories found matching 'docs\_build'
    
16.     warning: no previously-included files matching '*.py[co]' found anywhere in distribution
    
17. Installing collected packages: flask, Jinja2, itsdangerous, Werkzeug, click, MarkupSafe
    
18. Compiling c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\Jinja2\jinja2\asyncfilters.py ...
    
19.   File "c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\Jinja2\jinja2\asyncfilters.py", line 8
    
20.     async def auto_to_seq(value):
    
21.             ^
    
22. SyntaxError: invalid syntax
    
23. 
    
24. Compiling c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\Jinja2\jinja2\asyncsupport.py ...
    
25.   File "c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\Jinja2\jinja2\asyncsupport.py", line 18
    
26.     async def concat_async(async_gen):
    
27.             ^
    
28. SyntaxError: invalid syntax
    
29. 
    
30.   Running setup.py install for MarkupSafe
    
31.     C:\Python27\lib\distutils\dist.py:267: UserWarning: Unknown distribution option: 'project_urls'
    
32.       warnings.warn(msg)
    
33.     C:\Python27\lib\distutils\dist.py:267: UserWarning: Unknown distribution option: 'python_requires'
    
34.       warnings.warn(msg)
    
35. 
    
36.     no previously-included directories found matching 'docs\_build'
    
37.     warning: no previously-included files matching '*.py[co]' found anywhere in distribution
    
38.     building 'markupsafe._speedups' extension
    
39.     ==========================================================================
    
40.     WARNING: The C extension could not be compiled, speedups are not enabled.
    
41.     Failure information, if any, is above.
    
42.     Retrying the build without the C extension now.
    
43.     ==========================================================================
    
44. 
    
45.     no previously-included directories found matching 'docs\_build'
    
46.     warning: no previously-included files matching '*.py[co]' found anywhere in distribution
    
47.     ==========================================================================
    
48.     WARNING: The C extension could not be compiled, speedups are not enabled.
    
49.     Plain-Python build succeeded.
    
50.     ==========================================================================
    
51. Successfully installed flask Jinja2 itsdangerous Werkzeug click MarkupSafe
    
52. Cleaning up...

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永恒的蓝色梦想

焦健鬼 发表于 2020-5-21 17:08
为啥pipinstall flask:

我发现你用的 Python2，所以导致了语法错误。

焦健鬼

永恒的蓝色梦想 发表于 2020-5-21 18:51
我发现你用的 Python2，所以导致了语法错误。

对,我改回来了