43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
# ***** BEGIN GPL LICENSE BLOCK *****
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software Foundation,
|
|
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
#
|
|
# ***** END GPL LICENCE BLOCK *****
|
|
#
|
|
# (c) 2018, Blender Foundation - Sybren A. Stüvel
|
|
"""Common functionality for CLI parsers."""
|
|
import pathlib
|
|
|
|
|
|
def add_flag(argparser, flag_name: str, **kwargs):
|
|
"""Add a CLI argument for the flag.
|
|
|
|
The flag defaults to False, and when present on the CLI stores True.
|
|
"""
|
|
|
|
argparser.add_argument('-%s' % flag_name[0],
|
|
'--%s' % flag_name,
|
|
default=False,
|
|
action='store_true',
|
|
**kwargs)
|
|
|
|
|
|
def shorten(cwd: pathlib.Path, somepath: pathlib.Path) -> pathlib.Path:
|
|
"""Return 'somepath' relative to CWD if possible."""
|
|
try:
|
|
return somepath.relative_to(cwd)
|
|
except ValueError:
|
|
return somepath
|