Python

General

• Check environment
  • Reference: Python, pip, site-packages (Chinese)

    $ pip -V
    $ python -m site
    

UV

• https://docs.astral.sh/uv/

Installation

• uv-docs-Installation

  $ brew install uv
  

  or

  $ curl -LsSf https://astral.sh/uv/install.sh | less
  

Conda

• Conda User Guide

Installation

• Miniforge
• Miniconda

Install Package

$ conda install xxx
$ conda install -c conda-forge xxx

Useful Tools

$ conda install -c conda-forge tmux

Post-installation

$ conda config --set auto_activate_base false
# It creates ~/.condarc with following content:
    auto_activate_base: false

Jupyter notebook

$ conda install ipykernel
$ python -m ipykernel install --user --name lal --display-name "python-lal"
# It modifies ~/Library/Jupyter/kernels/  or  ~/.local/share/jupyter/kernels/

Conda ENV

$ conda create -n py37 python=3.7
$ conda activate py37
$ conda deactivate 
$ conda env list
$ conda env remove -n py37

HTTP server

Star a http server (e.g., for file sharing)

$ python3 -m http.server

Virtual Environment

• virtualenv

  $ virtualenv <myenv>
  $ source myenv/bin/activate
  $ deactivate
  

• pip

  $ pip freeze > requirements.txt
  $ pip install -r requirements.txt