# -*- coding: utf-8 -*-
# ******************************************************************************
#
# Copyright (C) 2010 Olivier Tilloy <olivier@tilloy.net>
#
# This file is part of the pyexiv2 distribution.
#
# pyexiv2 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.
#
# pyexiv2 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 pyexiv2; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
#
# Author: Olivier Tilloy <olivier@tilloy.net>
#
# ******************************************************************************
from pyexiv2.exif import ExifTag
from pyexiv2.iptc import IptcTag
from pyexiv2.xmp import XmpTag
from pyexiv2.utils import make_fraction, FixedOffset
import unittest
import pickle
import datetime
class TestPicklingTags(unittest.TestCase):
def test_pickle_exif_tag(self):
tags = []
tags.append(ExifTag('Exif.Image.DateTime',
datetime.datetime(2010, 12, 22, 19, 21, 0)))
tags.append(ExifTag('Exif.GPSInfo.GPSDateStamp', datetime.date.today()))
tags.append(ExifTag('Exif.Image.Copyright', '(C) 2010 Santa Claus'))
tags.append(ExifTag('Exif.GPSInfo.GPSVersionID', '0'))
tags.append(ExifTag('Exif.Pentax.Temperature', '14'))
tags.append(ExifTag('Exif.Photo.UserComment', 'foo bar baz'))
tags.append(ExifTag('Exif.Image.BitsPerSample', 8))
tags.append(ExifTag('Exif.Image.TimeZoneOffset', 7))
tags.append(ExifTag('Exif.Image.ImageWidth', 7492))
tags.append(ExifTag('Exif.OlympusCs.ManometerReading', 29))
tags.append(ExifTag('Exif.Image.XResolution', make_fraction(7, 3)))
tags.append(ExifTag('Exif.Image.BaselineExposure', make_fraction(-7, 3)))
tags.append(ExifTag('Exif.Photo.ExifVersion', '0100'))
for tag in tags:
s = pickle.dumps(tag)
t = pickle.loads(s)
self.assert_(isinstance(t, ExifTag))
self.assertEqual(t.key, tag.key)
self.assertEqual(t.type, tag.type)
self.assertEqual(t.name, tag.name)
self.assertEqual(t.label, tag.label)
self.assertEqual(t.description, tag.description)
self.assertEqual(t.section_name, tag.section_name)
self.assertEqual(t.section_description, tag.section_description)
self.assertEqual(t.raw_value, tag.raw_value)
self.assertEqual(t.value, tag.value)
self.assertEqual(t.human_value, tag.human_value)
def test_pickle_iptc_tag(self):
tags = []
tags.append(IptcTag('Iptc.Envelope.FileFormat', [23]))
tags.append(IptcTag('Iptc.Application2.Subject', ['foo', 'bar', 'baz']))
tags.append(IptcTag('Iptc.Envelope.DateSent', [datetime.date.today()]))
tags.append(IptcTag('Iptc.Envelope.TimeSent',
[datetime.time(23, 37, 4, tzinfo=FixedOffset('+', 6, 0))]))
tags.append(IptcTag('Iptc.Application2.Preview', ['01001101']))
for tag in tags:
s = pickle.dumps(tag)
t = pickle.loads(s)
self.assert_(isinstance(t, IptcTag))
self.assertEqual(t.key, tag.key)
self.assertEqual(t.type, tag.type)
self.assertEqual(t.name, tag.name)
self.assertEqual(t.title, tag.title)
self.assertEqual(t.description, tag.description)
self.assertEqual(t.photoshop_name, tag.photoshop_name)
self.assertEqual(t.repeatable, tag.repeatable)
self.assertEqual(t.record_name, tag.record_name)
self.assertEqual(t.record_description, tag.record_description)
self.assertEqual(t.raw_value, tag.raw_value)
self.assertEqual(t.value, tag.value)
def test_pickle_xmp_tag(self):
tags = []
tags.append(XmpTag('Xmp.dc.subject', ['foo', 'bar', 'baz']))
tags.append(XmpTag('Xmp.xmpRights.Marked', True))
tags.append(XmpTag('Xmp.xmp.CreateDate', datetime.date.today()))
tags.append(XmpTag('Xmp.xmpMM.SaveID', 34))
tags.append(XmpTag('Xmp.dc.format', ('image', 'jpeg')))
tags.append(XmpTag('Xmp.photoshop.CaptionWriter', 'John Doe'))
tags.append(XmpTag('Xmp.dc.source', 'bleh'))
tags.append(XmpTag('Xmp.xmpMM.DocumentID', 'http://example.com'))
tags.append(XmpTag('Xmp.xmp.BaseURL', 'http://example.com'))
tags.append(XmpTag('Xmp.xmpDM.videoPixelAspectRatio', make_fraction(5, 3)))
for tag in tags:
s = pickle.dumps(tag)
t = pickle.loads(s)
self.assert_(isinstance(t, XmpTag))
self.assertEqual(t.key, tag.key)
self.assertEqual(t.type, tag.type)
self.assertEqual(t.name, tag.name)
self.assertEqual(t.title, tag.title)
self.assertEqual(t.description, tag.description)
self.assertEqual(t.raw_value, tag.raw_value)
self.assertEqual(t.value, tag.value)
