#!/usr/bin/python
# -*- encoding: utf-8 -*-
#
# exif-set-datetime - sets date and time in EXIF
#
# Usage: exif-set-datetime "YYYY:MM:DD HH:mm:ss" file.jpg
#
# Copyright (C) Miguel Ángel Vilela <miguev@gmail.com>
#
# 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.

import pyexiv2
import sys

DateTimeTags = ('Exif.Image.DateTime', 'Exif.Photo.DateTimeOriginal')

# Parse arguments
if len(sys.argv) != 3:
  print "Usage: exif-set-datetime \"YYYY:MM:DD HH:mm:ss\" file.jpg"
  sys.exit(1)
datetime = sys.argv[1]
jpg_file = sys.argv[2]

# Extract GPSInfo tags from file_with_gpsinfo
im = pyexiv2.Image(jpg_file)
im.readMetadata()
for tag in DateTimeTags:
  im[tag] = datetime
im.writeMetadata()
sys.exit(0)