设置pip源
- 临时命令
pip install -i http://nexus.td.internal/nexus/repository/pypi_group/simple --trusted-host nexus.td.internal - 全局命令
- 查看源设置 pip config list
- 设置源 pip config set global.index-url http://pypi.tuna.tsinghua.edu.cn/simple
- 信任源 pip config set global.trusted-host pypi.tuna.tsinghua.edu.cn
- 资源
- 官方源 https://pypi.org/simple/
- 腾讯源 https://mirrors.cloud.tencent.com/pypi/simple
- 阿里源 https://mirrors.aliyun.com/pypi/simple/
- 豆瓣 https://pypi.doubanio.com/simple/
- 网易源 https://mirrors.163.com/pypi/simple/
- 科大源 https://pypi.mirrors.ustc.edu.cn/simple/
- 清华源 https://pypi.tuna.tsinghua.edu.cn/simple/
- 木鸡nexu仓库 http://nexus.td.internal/nexus/#browse/search/pypi= 找包绝对url
- 木鸡源 http://nexus.td.internal/nexus/repository/pypi_group/simple
pip每次WARNING: Ignoring invalid distribution -andas 解决
问题过程：
(at38risk4) PS D:\codePython\GitlabRepos\at-documents> pip list|findstr "rqalpha api pandas numpy"
WARNING: Ignoring invalid distribution -andas (c:\users\cat\appdata\roaming\python\python38\site-packages)
WARNING: Ignoring invalid distribution -andas (c:\users\cat\appdata\roaming\python\python38\site-packages)
WARNING: Ignoring invalid distribution -andas (c:\users\cat\appdata\roaming\python\python38\site-packages)
market-data-python-api 2.3.9
numpy 1.23.0
pandas 1.0.3
rqalpha 6.0.5
rqalpha-mod-pyspec 2.8.17
解决：
(at38risk4) PS D:\codePython\GitlabRepos\at-documents> cd c:\users\cat\appdata\roaming\python\python38\site-packages
(at38risk4) PS C:\users\cat\appdata\roaming\python\python38\site-packages> dir ~*
目录: C:\Users\cat\AppData\Roaming\Python\Python38\site-packages
Mode LastWriteTime Length Name
---- ------------- ------ ----
d----- 2023/3/30 09:53 ~andas
d----- 2023/3/30 09:53 ~andas-1.5.3.dist-info
d----- 2023/3/22 11:24 ~umpy
(at38risk4) PS C:\users\cat\appdata\roaming\python\python38\site-packages> rmdir ~*
C:\users\cat\appdata\roaming\python\python38\site-packages\~andas 处的项具有子项，并且未指定 Recurse 参数。如果继续，所有子项均将随该项删除。是否确实要继续?
C:\users\cat\appdata\roaming\python\python38\site-packages\~andas-1.5.3.dist-info 处的项具有子项，并且未指定 Recurse 参数。如果继续，所有子项均将随该项删除。是否确实要继续?
[Y] 是(Y) [A] 全是(A) [N] 否(N) [L] 全否(L) [S] 暂停(S) [?] 帮助 (默认值为“Y”): Y
C:\users\cat\appdata\roaming\python\python38\site-packages\~umpy 处的项具有子项，并且未指定 Recurse 参数。如果继续，所有子项均将随该项删除。是否确实要继续?
[Y] 是(Y) [A] 全是(A) [N] 否(N) [L] 全否(L) [S] 暂停(S) [?] 帮助 (默认值为“Y”): Y
(at38risk4) PS C:\users\cat\appdata\roaming\python\python38\site-packages> pip list|findstr andas
pandas 1.0.3
virtualenv管理多环境
- 存在形态
pycharm客户端：interpreter-local-virtualenv
物理文件夹 - 查看环境列表
在硬盘目录下，无激活概念，pycharm选择使用后，可进激活环境的终端 - 创建venv
直接用pycharm客户端，创建local virtualenv - 删除env
删除文件夹和pycharm的环境项
pip包管理
- 查看包源构成：python -m site
- 查看包信息：pip show setuptools
- pip清除缓存: pip cache purge
- 升级pip包：python -m pip install pip==23.0
- 升级setup包：python -m pip install setuptools==41.6.0
- pip安装包（安装到python环境）：pip install ffn
- pip安装包（安装到系统用户共享python环境）：pip install ffn --user
- pip安装包（从指定的镜像源安装）: pip install ffn -i https://pypi.tuna.tsinghua.edu.cn/simple/
- pip安装wheel包：pip install resources/whl/TA_Lib-0.4.19-cp37-cp37m-win_amd64.whl
- pip安装tar包：pip install resources/tar/TA_Lib-0.4.19-cp37-cp37m-win_amd64.tar
- pip安装git源码：pip install git+https://github.com/bollwyvl/nb-mermaid.git@103502e6
卸载失败的解决事例
(quant3810) PS C:\Users\cat> pip uninstall -y pyzmq
WARNING: No metadata found in d:\codepython\anaconda3\envs\quant3810\lib\site-packages
Found existing installation: pyzmq 25.1.0
ERROR: Cannot uninstall pyzmq 25.1.0, RECORD file not found. You might be able to recover from this via: 'pip install --force-reinstall --no-deps pyzmq==25.1.0'.
(quant3810) PS C:\Users\cat> pip install --force-reinstall --no-deps --ignore-installed pyzmq==25.0.2
>>
Looking in indexes: https://mirrors.ustc.edu.cn/pypi/web/simple
Collecting pyzmq==25.0.2
Using cached https://mirrors.tuna.tsinghua.edu.cn/pypi/web/packages/04/f1/feaf5d091173036ddbebbe0657453b122de167fd055e8d94a76aff862e99/pyzmq-25.0.2-cp38-cp38-win_amd64.whl (1.1 MB)
Installing collected packages: pyzmq
Successfully installed pyzmq-25.0.2
(quant3810) PS C:\Users\cat> pip uninstall -y pyzmq
Found existing installation: pyzmq 25.0.2
Uninstalling pyzmq-25.0.2:
Successfully uninstalled pyzmq-25.0.2