Quickly initialize a python project

newpyproject.sh

DEV_REQS="black isort flake8 pytest mypy pre-commit"
AUTHOR="Sriram Krishna"
EMAIL="ksri91@gmail.com"

proj=$1
if [ -z "$proj" ]; then
    echo "Usage: $0 <project> [<python executable>]"
    exit 1
fi

if [ -z "$2" ]; then
    pyexec="python"
else
    pyexec=$2
fi

mkdir -p $proj

(
    cd $proj
    mkdir -p src/$proj
    mkdir -p tests
    touch tests/__init__.py src/$proj/__init__.py

    $pyexec -m venv .venv

    . .venv/bin/activate

    if [ -z "$VIRTUAL_ENV" ]; then
        echo "Failed to activate virtualenv"
        exit 1
    fi

    pip install --upgrade pip
    pip install $DEV_REQS
    pip freeze > dev_requirements.txt

    pytest_version=$(python -c "import pytest; print(pytest.__version__)")

    curl --location https://raw.githubusercontent.com/github/gitignore/main/Python.gitignore >.gitignore

cat >pyproject.toml <<EOF
[build-system]
requires = ["setuptools>=42.0", "wheel"]
build-backend = "setuptools.build_meta"

[tool.pytest.ini_options]
minversion = "$pytest_version"
testpaths = ["tests"]

[tool.mypy]
files = ["src/$proj", "tests"]
warn_unused_ignores = true
show_error_codes = true
ignore_missing_imports = true
disallow_untyped_defs = true
disallow_incomplete_defs = true

[[tool.mypy.overrides]]
module = ["tests.*"]
disallow_untyped_defs = false

[tool.isort]
profile = "black"
EOF

cat >setup.cfg <<EOF
[metadata]
name = $proj
author = $AUTHOR
author_email = $EMAIL
description = 
version = 0.1.0
#url = 
#keywords =
  
classifiers =
  Programming Language :: Python :: 3.10
  License :: OSI Approved :: MIT License
license_files =
  LICENSE

[options]
python_requires = >= 3.10
packages = $proj
zip_safe = True
package_dir =
  =src
#install_requires =

#include_package_data = True

[flake8]
max-line-length = 88
EOF

cat >LICENSE <<EOF
MIT License

Copyright (c) $(date +%G) $EMAIL

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
EOF

    pip install -e .

    deactivate

    git init
)