我可以成功地安装egg for morfeusz 2，

python -m easy_install http://sgjp.pl/morfeusz/download/20181014/ubuntu-xenial/morfeusz2-0.4.0-py3.7-win-amd64.egg

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然而，我通过requirements.txt定义的所有其他依赖项。我希望它们都以一致的方式定义。morfeusz2在任何PyPI repo中都不存在。我如何以一致的方式为我的项目定义依赖项？
例如，我尝试定义以下requirements.txt文件：

django
pint
http://sgjp.pl/morfeusz/download/20181014/ubuntu-xenial/morfeusz2-0.4.0-py3.7-win-amd64.egg

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但是，当运行pip install -r requirements.txt时，它会失败：

(mealplanner) D:\Projects-intellij\djangoproject\mealplanner>pip install -r requirementx.txt
Collecting http://sgjp.pl/morfeusz/download/20181014/ubuntu-xenial/morfeusz2-0.4.0-py3.7-win-amd64.egg (from -r requirementx.txt (line 3))
  Downloading http://sgjp.pl/morfeusz/download/20181014/ubuntu-xenial/morfeusz2-0.4.0-py3.7-win-amd64.egg (7.7MB)
    100% |████████████████████████████████| 7.7MB 11.4MB/s
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "c:\users\oem\virtualenv\mealplanner\lib\tokenize.py", line 447, in open
        buffer = _builtin_open(filename, 'rb')
    FileNotFoundError: [Errno 2] No such file or directory: 'C:\\Users\\OEM\\AppData\\Local\\Temp\\pip-req-build-xucfpk6m\\setup.py'

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in C:\Users\OEM\AppData\Local\Temp\pip-req-build-xucfpk6m\

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如何使用pip install安装egg？