Python项目要求不在促使我运行py -3 -mpip install -r requirements.tx时被安装到虚拟环境中

Question

我在命令提示符中遇到了这个错误。你知道吗

 ERROR: Command errored out with exit status 1:
     command: 'C:\Users\Admin\AppData\Local\Programs\Python\Python38-32\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Windows\\Temp\\pip-install-o693x1mb\\shapely\\setup.py'"'"'; __file__='"'"'C:\\Windows\\Temp\\pip-install-o693x1mb\\shapely\\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 pip-egg-info
         cwd: C:\Windows\Temp\pip-install-o693x1mb\shapely\
    Complete output (9 lines):
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "C:\Windows\Temp\pip-install-o693x1mb\shapely\setup.py", line 80, in <module>
        from shapely._buildcfg import geos_version_string, geos_version, \
      File "C:\Windows\Temp\pip-install-o693x1mb\shapely\shapely\_buildcfg.py", line 200, in <module>
        lgeos = CDLL("geos_c.dll")
      File "C:\Users\Admin\AppData\Local\Programs\Python\Python38-32\lib\ctypes\__init__.py", line 373, in __init__
        self._handle = _dlopen(self._name, mode)
    FileNotFoundError: Could not find module 'geos_c.dll'. Try using the full path with constructor syntax.
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

我还安装了OSGeo4w64，并将环境变量设置为geos\u c.dll， 我已经安装了python版本3.8.1和pip版本19.3.1， 另外，将环境变量设置为python和python/scripts。你知道吗

Answer 1

add installed folder to path e.g. 

C:\OSGeo4W64\bin

（必须包含geos\u c.dll） 重新启动命令行

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