Template for Python projects.

python_project_template.py

#!/usr/bin/env python3

import argparse
import sys

from rich import print
from rich.containers import Lines
from rich.text import Text
from rich_argparse import RichHelpFormatter

prog_name = "sub-full-to-forced"
prog_version = "1.0.0"


class WrappedFormatter(RichHelpFormatter):
    def _rich_split_lines(self, text: Text, width: int) -> Lines:
        lines = Lines()
        for line in text.split():
            lines.extend(line.wrap(self.console, width))
        return lines

    def _rich_fill_text(self, text: Text, width: int, indent: Text) -> Text:
        lines = self._rich_split_lines(text, width)
        return Text("\n").join(indent + line for line in lines) + "\n"

RichHelpFormatter.styles["argparse.prog"] = "cyan"
RichHelpFormatter.styles["argparse.args"] = "green"
RichHelpFormatter.styles["argparse.metavar"] = "bold color(231)"
RichHelpFormatter.group_name_formatter = str.upper

parser = argparse.ArgumentParser(
    prog=prog_name,
    add_help=False,
    formatter_class=lambda prog: WrappedFormatter(prog, max_help_position=23, width=min(120, os.get_terminal_size()[0])),
)
parser.add_argument("-h", "--help",
                    action="help",
                    default=argparse.SUPPRESS,
                    help="show this help message.")
parser.add_argument("-v", "--version",
                    action="version",
                    version=f"[cyan]{prog_name}[/cyan] [bold color(231)]{prog_version}[/bold color(231)]",
                    help="show version.")
parser.add_argument("-i", "--input",
                    type=str,
                    default="",
                    help="input path")
parser.add_argument("-o", "--output",
                    type=str,
                    default="",
                    help="output path")
args = parser.parse_args()


def main():
    if len(sys.argv) == 1:
        parser.print_help(sys.stderr)
        sys.exit(1)


if __name__ == '__main__':
    main()