无法在python 3.x中安装wsgiref

Question

我不能在python 3中安装wsgiref。我得到了这些错误。我正在使用Python3，但是我不能安装wsgiref，我尝试过pip install wsgiref和pip install wsgiref==0.1.2

E:\CodeWork\Machine Learning\SWATI-The-Assistant-master\SWATI-The-Assistant-master>pip install wsgiref==0.1.2
Collecting wsgiref==0.1.2
  Using cached https://files.pythonhosted.org/packages/41/9e/309259ce8dff8c596e8c26df86dbc4e848b9249fd36797fd60be456f03fc/wsgiref-0.1.2.zip
    ERROR: Command errored out with exit status 1:
     command: 'c:\program files\python37\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\hp\\AppData\\Local\\Temp\\pip-install-h2ydr_0e\\wsgiref\\setup.py'"'"'; __file__='"'"'C:\\Users\\hp\\AppData\\Local\\Temp\\pip-install-h2ydr_0e\\wsgiref\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base 'C:\Users\hp\AppData\Local\Temp\pip-install-h2ydr_0e\wsgiref\pip-egg-info'
         cwd: C:\Users\hp\AppData\Local\Temp\pip-install-h2ydr_0e\wsgiref\
    Complete output (8 lines):
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "C:\Users\hp\AppData\Local\Temp\pip-install-h2ydr_0e\wsgiref\setup.py", line 5, in <module>
        import ez_setup
      File "C:\Users\hp\AppData\Local\Temp\pip-install-h2ydr_0e\wsgiref\ez_setup\__init__.py", line 170
        print "Setuptools version",version,"or greater has been installed."
                                 ^
    SyntaxError: Missing parentheses in call to 'print'. Did you mean print("Setuptools version",version,"or greater has been installed.")?
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.```

Answer 1

Pip3安装出错的原因是安装过程中的一条print语句的语法是没有括号的旧python 2样式。好消息是，默认情况下，wsgiref已经包含在python3库中。启动python 3 shell并尝试输入'import wsgiref'，应该不会出现错误。