[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)

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

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!

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

跳转到最佳答案楼层

永恒的蓝色梦想

Try this!

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

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:

Downloading/unpacking flask
Downloading/unpacking Jinja2>=2.10.1 (from flask)
Downloading/unpacking itsdangerous>=0.24 (from flask)
  Downloading itsdangerous-1.1.0-py2.py3-none-any.whl
Downloading/unpacking Werkzeug>=0.15 (from flask)
Downloading/unpacking click>=5.1 (from flask)
Downloading/unpacking MarkupSafe>=0.23 (from Jinja2>=2.10.1->flask)
  Downloading MarkupSafe-1.1.1.tar.gz
  Running setup.py (path:c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\MarkupSafe\setup.py) egg_info for package MarkupSafe
    C:\Python27\lib\distutils\dist.py:267: UserWarning: Unknown distribution option: 'project_urls'
      warnings.warn(msg)
    C:\Python27\lib\distutils\dist.py:267: UserWarning: Unknown distribution option: 'python_requires'
      warnings.warn(msg)

    no previously-included directories found matching 'docs\_build'
    warning: no previously-included files matching '*.py[co]' found anywhere in distribution
Installing collected packages: flask, Jinja2, itsdangerous, Werkzeug, click, MarkupSafe
Compiling c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\Jinja2\jinja2\asyncfilters.py ...
  File "c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\Jinja2\jinja2\asyncfilters.py", line 8
    async def auto_to_seq(value):
            ^
SyntaxError: invalid syntax

Compiling c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\Jinja2\jinja2\asyncsupport.py ...
  File "c:\users\hp580-~1\appdata\local\temp\pip_build_hp580-3djj\Jinja2\jinja2\asyncsupport.py", line 18
    async def concat_async(async_gen):
            ^
SyntaxError: invalid syntax

  Running setup.py install for MarkupSafe
    C:\Python27\lib\distutils\dist.py:267: UserWarning: Unknown distribution option: 'project_urls'
      warnings.warn(msg)
    C:\Python27\lib\distutils\dist.py:267: UserWarning: Unknown distribution option: 'python_requires'
      warnings.warn(msg)

    no previously-included directories found matching 'docs\_build'
    warning: no previously-included files matching '*.py[co]' found anywhere in distribution
    building 'markupsafe._speedups' extension
    ==========================================================================
    WARNING: The C extension could not be compiled, speedups are not enabled.
    Failure information, if any, is above.
    Retrying the build without the C extension now.
    ==========================================================================

    no previously-included directories found matching 'docs\_build'
    warning: no previously-included files matching '*.py[co]' found anywhere in distribution
    ==========================================================================
    WARNING: The C extension could not be compiled, speedups are not enabled.
    Plain-Python build succeeded.
    ==========================================================================
Successfully installed flask Jinja2 itsdangerous Werkzeug click MarkupSafe
Cleaning up...

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