本文最后更新于 2024年5月16日。
安装pipenv
pip install pipenv -i https://pypi.tuna.tsinghua.edu.cn/simple
提示
Defaulting to user installation because normal site-packages is not writeable
WARNING: The script virtualenv.exe is installed in 'C:\Users\weiyo\AppData\Roaming\Python\Python39\Scripts' which is not on PATH.
把提示加入系统环境变量才可以正常使用pipenv
(base) PS C:\Users\weiyo> pipenv
Usage: pipenv [OPTIONS] COMMAND [ARGS]...
C:\Users\weiyo>pip install pipenv -i https://pypi.tuna.tsinghua.edu.cn/simple
Defaulting to user installation because normal site-packages is not writeable
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting pipenv
Downloading https://pypi.tuna.tsinghua.edu.cn/packages/11/02/c066477d8bb6dba923f836b5e58b3fe1f9ca0196714d175967e5a69f87f4/pipenv-2022.11.5-py2.py3-none-any.whl (2.9 MB)
WARNING: The script virtualenv-clone.exe is installed in '
' which is not on PATH.
Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
WARNING: The script virtualenv.exe is installed in 'C:\Users\weiyo\AppData\Roaming\Python\Python39\Scripts' which is not on PATH.
Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
WARNING: The scripts pipenv-resolver.exe and pipenv.exe are installed in 'C:\Users\weiyo\AppData\Roaming\Python\Python39\Scripts' which is not on PATH.
Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
Successfully installed distlib-0.3.6 pipenv-2022.11.5 platformdirs-2.5.3 virtualenv-20.16.6 virtualenv-clone-0.5.7
准备使用pipenv，结果在创建虚拟环境使总是报错，权限问题，错误码13
(base) PS E:\pipenv1> pipenv shell
Creating a virtualenv for this project...
Pipfile: E:\pipenv1\Pipfile
Using C:/ProgramData/Anaconda3/python.exe (3.9.12) to create virtualenv...
[====] Creating virtual environment...Actual environment location may have moved due to redirects, links or junctions.
Requested location: "C:\Users\weiyo\.virtualenvs\pipenv1-BX4p2dhi\Scripts\python.exe"
Actual location: "C:\ProgramData\Anaconda3\python.exe"
PermissionError: [Errno 13] Permission denied: 'C:\\Users\\weiyo\\.virtualenvs\\pipenv1-BX4p2dhi\\Scripts\\python.exe'
Failed creating virtual environment
[pipenv.exceptions.VirtualenvCreationException]:
Failed to create virtual environment.
pipenv总是报错, 下面的解决方法无效
[pipenv.exceptions.VirtualenvCreationException]:
Failed to create virtual environment.
# 解决方法如下：
pipenv 后边增加版本号即可。
## pipenv --python 3.7
Pipenv的作用
可以利用pipenv来实现同时管理项目中的python虚拟环境和相关包依赖。
使用步骤
- cmd中输入命令 pip install pipenv 安装pipenv
- cmd切换路径到需要建立虚拟环境的项目目录下
- 输入命令 pipenv install 开始安装虚拟环境
- 安装完毕后输入命令 pipenv shell 进入虚拟环境
Pipfile文件
- 虚拟环境安装完毕后项目目录中将创建Pipfile/Pipfile.lock两个文件
- Pipfile：用于保存项目的python版本、依赖包等相关信息
- Pipfile.lock：用于对Pipfile的锁定
- Pipfile文件可以单独移放到其他项目内，用于项目虚拟环境的建立和依赖包的安装
常用命令
-
pipenv install：
-
若项目目录中虚拟环境未创建且无Pipfile文件，将安装虚拟环境并创建Pipfile文件
-
若项目目录中虚拟环境未创建且有Pipfile文件，将根据Pipfile文件来安装相应python版本和依赖包
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若项目目录中虚拟环境已创建且有Pipfile文件，将根据Pipfile文件来安装依赖包
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pipenv install xx:：安装python包
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pipenv uninstall xx:：卸载python包
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pipenv shell：进入虚拟环境(项目目录下)
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exit：退出虚拟环境
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pipenv graph：显示包依赖关系
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pipenv –venv：显示虚拟环境安装路径