Quick and simple setup with pyenv and poetry

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% pyenv --version
pyenv 2.3.23-2-gac5efed3

% poetry --version
Poetry (version 1.5.1)

---
title: Python Env Set-up Flow
---
classDiagram
  direction LR

%%--- Entityの定義

    class mkdir{
        mkdir <--local path-->
        git init & set-up .gitignore
        git remote add origin <--github path-->
        git commit & push
    }


    class pyenv{
        pyenv install --list
        pyenv install <--python version-->
        pyenv local <--python version-->
        \n
    }

    class poetry{
    poetry init
    poetry install --no-root
    poetry add <--packages-->
    poetry run python, poetry run pytest
    }

%%--- Entity Relationの定義

mkdir --> pyenv
pyenv --> poetry

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ModuleNotFoundError: No module named '_ctypes'

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% sudo apt-get install -y make build-essential libssl-dev zlib1g-dev libbz2-dev \
libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \
xz-utils tk-dev libffi-dev liblzma-dev

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% tree -L 1   
.
├── Desktop
├── Documents
├── Downloads
├── ...
└── .pyenv

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## pyenv install
% mkdir ~/.pyenv
% git clone https://github.com/pyenv/pyenv.git ~/.pyenv

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export PYENV_ROOT="$HOME/.pyenv"
command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"
eval "$(pyenv init -)"

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% git clone https://github.com/pyenv/pyenv-update.git $(pyenv root)/plugins/pyenv-update

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% git clone https://github.com/pyenv/pyenv-virtualenv.git $(pyenv root)/plugins/pyenv-virtualenv
% echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.zshenv

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## pipxでのinstall
% pipx install poetry

## curlでのinstall
% curl -sSL https://install.python-poetry.org | python3 -

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% poetry self update

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poetry completions zsh > ~/.zsh.d/.zfunc/_poetry

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# zsh completion
fpath+=~/.zsh.d/.zfunc

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% poetry config --list
cache-dir = "/home/hoshino_kirby/.cache/pypoetry"
experimental.system-git-client = true
installer.max-workers = null
installer.modern-installation = true
installer.no-binary = null
installer.parallel = true
keyring.enabled = true
solver.lazy-wheel = true
virtualenvs.create = true
virtualenvs.in-project = true
virtualenvs.options.always-copy = false
virtualenvs.options.no-pip = false
virtualenvs.options.no-setuptools = false
virtualenvs.options.system-site-packages = false
virtualenvs.path = "{cache-dir}/virtualenvs"  # /home/hoshino_kirby/.cache/pypoetry/virtualenvs
virtualenvs.prefer-active-python = true
virtualenvs.prompt = "{project_name}-py{python_version}"
warnings.export = true

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## setting
% poetry config experimental.system-git-client true 
% poetry config virtualenvs.in-project true
% poetry config virtualenvs.create true
% poetry config virtualenvs.prefer-active-python true

## use --unset option if you want to unset
% poetry config virtualenvs.path --unset

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% poetry config virtualenvs.create false --local

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#!/bin/bash
## name: python_update
## Update the python env
## Author: RyoNak
## Revised: 2023-07-28
## REQUIREMENT: pyenv, virtualenv, poetry

set -e

# Functions
function usage {
  cat <<EOM
NAME
    $(basename "$0") - update pyenv and its plugins, and poetry. 

        pyenv update;
        poetry self update;

DESCRIPTION
    <pyenv and its plugins>
    pyenv
        https://github.com/pyenv/pyenv

    pyenv-update
        https://github.com/pyenv/pyenv-update

    pyenv-virtualenv
        https://github.com/pyenv/pyenv-virtualenv

    <poetry>
    poetry
        https://python-poetry.org/docs/
    
OPTIONS
  -h, --help
    Display help

EOM

  exit 0
}


# Main
if [[ $1 == '-h' || $1 == '--help' ]]; then
    usage
else
    pyenv update;
    poetry self update;
fi

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% poetry add requests pendulum

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# Allow >=2.0.5, <3.0.0 versions
poetry add pendulum@^2.0.5

# Allow >=2.0.5, <2.1.0 versions
poetry add pendulum@~2.0.5

# Allow >=2.0.5 versions, without upper bound
poetry add "pendulum>=2.0.5"

# Allow only 2.0.5 version
poetry add pendulum==2.0.5

# get the latest version
poetry add pendulum@latest

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## via https protocol
% poetry add git+https://github.com/sdispater/pendulum.git

# install a package from the develop branch
% poetry add git+https://github.com/sdispater/pendulum.git#develop

# install a package based on a specific tag(2.0.5)
poetry add git+ssh://github.com/sdispater/pendulum.git#2.0.5

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% poetry add --editable <package>

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## 仮想環境を呼び出して実行
% poetry shell
(.venv) $ python main.py

## poetry runで実行
% poetry run python main.py

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# Python virtual env
function virtualenv_info { 
    [ $VIRTUAL_ENV ] && echo '('`basename $VIRTUAL_ENV`') '
}

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prompt_setup() {
    prompt_color1=${1:-'cyan'}
    prompt_color2=${2:-'cyan'}

    base_prompt="%F{$prompt_color1}%n@%m%f %F{$prompt_color2}%B%~%b%f "
    git_prompt='$(__posh_git_echo)'
    post_prompt=$'\n'"$(virtualenv_info)%# "

    PROMPT=$base_prompt$git_prompt$post_prompt
}

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% pyenv install --list | grep -P "^\s{1,}\d{1,}\.\d{1,}\.\d{1,}"

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% poetry install
...
<path-to-working-directory>/ <project-name> does not contain any element

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[tool.poetry]
packages = [{include = "<project-name>"}]

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% poetry install
...
<path-to-working-directory>/ <project-name> does not contain any element

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% poetry install --no-root

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