import click
from click.core import Context, Option
from .base import CONTEXT_SETTINGS
from ..config.meta import __TITLE__, __VERSION__, __AUTHOR__, __AUTHOR_EMAIL__, __DESCRIPTION__
_raw_authors = [item.strip() for item in __AUTHOR__.split(',') if item.strip()]
_raw_emails = [item.strip() for item in __AUTHOR_EMAIL__.split(',')]
if len(_raw_emails) < len(_raw_authors): # pragma: no cover
_raw_emails += [None] * (len(_raw_authors) - len(_raw_emails))
elif len(_raw_emails) > len(_raw_authors): # pragma: no cover
_raw_emails[len(_raw_authors) - 1] = tuple(_raw_emails[len(_raw_authors) - 1:])
del _raw_emails[len(_raw_authors):]
_author_tuples = [
(author, tuple([item for item in (email if isinstance(email, tuple) else ((email,) if email else ())) if item]))
for author, email in zip(_raw_authors, _raw_emails)
]
_authors = [
author if not emails else '{author} ({emails})'.format(author=author, emails=', '.join(emails))
for author, emails in _author_tuples
]
# noinspection PyUnusedLocal
[docs]def print_version(ctx: Context, param: Option, value: bool) -> None:
"""
Print version information of cli
:param ctx: click context
:param param: current parameter's metadata
:param value: value of current parameter
"""
if not value or ctx.resilient_parsing:
return # pragma: no cover
click.echo('{title}, version {version}.'.format(title=__TITLE__.capitalize(), version=__VERSION__))
if _authors:
click.echo('Developed by {authors}.'.format(authors=', '.join(_authors)))
ctx.exit()
@click.group(context_settings=CONTEXT_SETTINGS, help=__DESCRIPTION__)
@click.option('-v', '--version', is_flag=True,
callback=print_version, expose_value=False, is_eager=True,
help="Show hfutils' version information.")
def hfutilcli():
pass # pragma: no cover