Template for Python scripts

auto-insert-python.el

(defun new-copyright ()
  "Generate new copyright string."
  (format-time-string "Copyright %Y Michael M. Hoffman <[email protected]>"))

(define-auto-insert 'python-mode
  `(
    "Description: "
    "#!/usr/bin/env python3.6" \n
    "\"\"\"" (setq basename (buffer-file-basename)) ": " str \n
    "\"\"\"" \n \n
    "__version__ = \"0.1\"" \n \n
    "# " (new-copyright) \n \n
    "from argparse import Namespace" \n
    "from os import EX_OK" \n
    "import sys" \n
    "from typing import List, Optional" \n \n \n
    "def " (setq namebase (file-name-sans-extension basename)) "(args: Namespace) -> int:\n"
    "    return EX_OK\n\n\n"
    "def parse_args(args: List[str]) -> Namespace:\n"
    "    from argparse import ArgumentDefaultsHelpFormatter, ArgumentParser\n\n"
    "    description = __doc__.splitlines()[0].partition(\": \")[2]\n"
    "    parser = ArgumentParser(description=description,\n"
    "                            formatter_class=ArgumentDefaultsHelpFormatter)\n\n"
    "    version = f\"%(prog)s {__version__}\"\n"
    "    parser.add_argument(\"--version\", action=\"version\", version=version)\n\n"
    "    return parser.parse_args(args)\n\n\n"
    "def main(argv: List[str] = sys.argv[1:]) -> int:\n"
    "    args = parse_args(argv)\n\n"
    "    return " namebase "(args)\n\n\n"
    "if __name__ == \"__main__\":\n"
    "    sys.exit(main())\n"))

template.py

#!/usr/bin/env python3.6
"""REPLACE_THIS.py: REPLACE_WITH_DESCRIPTION
"""

__version__ = "0.1"

# Copyright 2020 Michael M. Hoffman <[email protected]>

from argparse import Namespace
from os import EX_OK
import sys
from typing import List, Optional


def REPLACE_THIS(args: Namespace) -> int:
    return EX_OK


def parse_args(args: List[str]) -> Namespace:
    from argparse import ArgumentDefaultsHelpFormatter, ArgumentParser

    description = __doc__.splitlines()[0].partition(": ")[2]
    parser = ArgumentParser(description=description,
                            formatter_class=ArgumentDefaultsHelpFormatter)

    version = f"%(prog)s {__version__}"
    parser.add_argument("--version", action="version", version=version)

    return parser.parse_args(args)


def main(argv: List[str] = sys.argv[1:]) -> int:
    args = parse_args(argv)

    return REPLACE_THIS(args)


if __name__ == "__main__":
    sys.exit(main())