manpage like formatter function for python 3

manlike_formatter.py

#! /usr/bin/env python3

# Note: this was just a little toying, rst2man is much better.

import string
import textwrap

def _fmt_help(name, title, description, *args):
	"""
	IN
		_fmt_help('foo', 'does something', 'the description',
			['bar', 'do bar'],
			[':baz', 'baz required parm'],
			['q|quit', 'quit it']
		)
	OUT
		NAME
			foo -- does something

		SYNOPSIS
			foo [bar] baz [q|quit]

		DESCRIPTION
			the description

		OPTIONS
			bar
			    do bar
			baz
			    baz required parm
			q|quit
			    quit it
	"""
	o = '\n'
	o += 'NAME\n\t'
	o += name + ' -- ' + title + '\n\n'
	o += 'SYNOPSIS\n'
	s = str()
	s += name

	for i in range(len(args)):
		a = args[i][0]
		if a[0] == ':':
			s += ' ' + a[1:]
		else:
			s += ' [' + a + ']'
	sl = textwrap.wrap(s, 64)
	for i in range(len(sl)):
		o += '\t' + sl[i] + '\n'
	
	o += '\n'
	o += 'DESCRIPTION'
	
	dt = textwrap.wrap(description, 64)
	for i in range(len(dt)):
		o += '\n\t' + dt[i]
	o += '\n\n'

	o += 'OPTIONS'
	for i in range(len(args)):
		a = args[i]
		if a[0][0] == ':':
			a[0] = a[0][1:]
		o += '\n\t' + a[0]
		odt = textwrap.wrap(a[1], 60)
		for j in range(len(odt)):
			o += '\n\t    ' + odt[j]
	o += '\n'
	
	return o

def __test_fmt_help():
	desc = ('the description ' +
		'-- this must be a long text to test the description formating'+
		' routine of the help formatting function test'
	)
	obaz = ('baz option description' +
		'-- also long to test option detail wrapping formatter ' +
		'which should work fine hopefully.. blah..'
	)
	print(_fmt_help('foo', 'does something', desc,
		['bar', 'do bar'],
		[':baz', obaz],
		['q|quit', 'quit it']
	))