# ***** 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) 2019, Blender Foundation - Sybren A. Stüvel
import contextlib
import time
import typing


@contextlib.contextmanager
def track_time(tracker_object: typing.Any, attribute: str):
    """Context manager, tracks how long the context took to run."""
    start_time = time.monotonic()
    yield
    duration = time.monotonic() - start_time
    tracked_so_far = getattr(tracker_object, attribute, 0.0)
    setattr(tracker_object, attribute, tracked_so_far + duration)