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#!/usr/bin/env python
# python-gphoto2 - Python interface to libgphoto2
# http://github.com/jim-easterbrook/python-gphoto2
# Copyright (C) 2014-22 Jim Easterbrook jim@jim-easterbrook.me.uk
#
# This file is part of python-gphoto2.
#
# python-gphoto2 is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# python-gphoto2 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with python-gphoto2. If not, see
# <https://www.gnu.org/licenses/>.
from datetime import datetime
import locale
import logging
import sys
import time
import gphoto2 as gp
def main():
locale.setlocale(locale.LC_ALL, '')
# use Python logging
logging.basicConfig(
format='%(levelname)s: %(name)s: %(message)s', level=logging.WARNING)
callback_obj = gp.check_result(gp.use_python_logging())
# open camera connection
camera = gp.Camera()
camera.init()
# get configuration tree
config = camera.get_config()
# find the date/time setting config item and get it
# name varies with camera driver
# Canon EOS350d - 'datetime'
# PTP - 'd034'
for name, fmt in (('datetime', '%Y-%m-%d %H:%M:%S'),
('d034', None)):
now = datetime.now()
OK, datetime_config = gp.gp_widget_get_child_by_name(config, name)
if OK >= gp.GP_OK:
widget_type = datetime_config.get_type()
raw_value = datetime_config.get_value()
if widget_type == gp.GP_WIDGET_DATE:
camera_time = datetime.fromtimestamp(raw_value)
else:
if fmt:
camera_time = datetime.strptime(raw_value, fmt)
else:
camera_time = datetime.utcfromtimestamp(float(raw_value))
print('Camera clock: ', camera_time.isoformat(' '))
print('Computer clock:', now.isoformat(' '))
err = now - camera_time
if err.days < 0:
err = -err
lead_lag = 'ahead'
print('Camera clock is ahead by',)
else:
lead_lag = 'behind'
print('Camera clock is %s by %d days and %d seconds' % (
lead_lag, err.days, err.seconds))
break
else:
print('Unknown date/time config item')
# clean up
camera.exit()
return 0
if __name__ == "__main__":
sys.exit(main())
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