def test_read_only(self):
r = GPSCoordinate(62, 58, 2, 'W')
try:
r.degrees = 5
except AttributeError:
pass
else:
self.fail('Degrees is not read-only.')
try:
r.minutes = 5
except AttributeError:
pass
else:
self.fail('Minutes is not read-only.')
try:
r.seconds = 5
except AttributeError:
pass
else:
self.fail('Seconds is not read-only.')
try:
r.direction = 'S'
except AttributeError:
pass
else:
self.fail('Direction is not read-only.')
def test_from_string(self):
self.assertEqual(GPSCoordinate.from_string('54,59.380000N'),
GPSCoordinate(54, 59, 23, 'N'))
self.assertEqual(GPSCoordinate.from_string('1,54.850000W'),
GPSCoordinate(1, 54, 51, 'W'))
self.assertRaises(ValueError, GPSCoordinate.from_string, '51N')
self.assertRaises(ValueError, GPSCoordinate.from_string, '48 24 3 S')
self.assertRaises(ValueError, GPSCoordinate.from_string, '48°24\'3"S')
self.assertRaises(ValueError, GPSCoordinate.from_string, 'invalid')
def test_from_string(self):
self.assertEqual(GPSCoordinate.from_string('54,59.380000N'),
GPSCoordinate(54, 59, 23, 'N'))
self.assertEqual(GPSCoordinate.from_string('1,54.850000W'),
GPSCoordinate(1, 54, 51, 'W'))
self.assertRaises(ValueError, GPSCoordinate.from_string, '51N')
self.assertRaises(ValueError, GPSCoordinate.from_string, '48 24 3 S')
self.assertRaises(ValueError, GPSCoordinate.from_string, '48°24\'3"S')
self.assertRaises(ValueError, GPSCoordinate.from_string, 'invalid')
def test_constructor(self):
r = GPSCoordinate(62, 58, 2, 'W')
self.assertEqual(r.degrees, 62)
self.assertEqual(r.minutes, 58)
self.assertEqual(r.seconds, 2)
self.assertEqual(r.direction, 'W')
r = GPSCoordinate(92, 58, 2, 'W')
self.assertEqual(r.degrees, 92)
self.assertEqual(r.minutes, 58)
self.assertEqual(r.seconds, 2)
self.assertEqual(r.direction, 'W')
self.assertRaises(ValueError, GPSCoordinate, -23, 58, 2, 'W')
self.assertRaises(ValueError, GPSCoordinate, 91, 58, 2, 'S')
self.assertRaises(ValueError, GPSCoordinate, 62, -23, 2, 'W')
self.assertRaises(ValueError, GPSCoordinate, 62, 61, 2, 'W')
self.assertRaises(ValueError, GPSCoordinate, 62, 58, -23, 'W')
self.assertRaises(ValueError, GPSCoordinate, 62, 58, 61, 'W')
self.assertRaises(ValueError, GPSCoordinate, 62, 58, 2, 'A')
def test_read_only(self):
r = GPSCoordinate(62, 58, 2, 'W')
try:
r.degrees = 5
except AttributeError:
pass
else:
self.fail('Degrees is not read-only.')
try:
r.minutes = 5
except AttributeError:
pass
else:
self.fail('Minutes is not read-only.')
try:
r.seconds = 5
except AttributeError:
pass
else:
self.fail('Seconds is not read-only.')
try:
r.direction = 'S'
except AttributeError:
pass
else:
self.fail('Direction is not read-only.')
def _convert_to_python(self, value, type_):
"""Convert a raw value to its corresponding python type.
Args:
value -- the raw value to be converted
type_ -- the simple type of the raw value
Return: the value converted to its corresponding python type
Raise XmpValueError: if the conversion fails
"""
if type_ == 'Boolean':
if value == 'True':
return True
elif value == 'False':
return False
else:
raise XmpValueError(value, type_)
elif type_ == 'Colorant':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ == 'Date':
match = self._date_re.match(value)
if match is None:
raise XmpValueError(value, type_)
gd = match.groupdict()
if gd['month'] is not None:
month = int(gd['month'])
else:
month = 1
if gd['day'] is not None:
day = int(gd['day'])
else:
day = 1
if gd['time'] is None:
try:
return datetime.date(int(gd['year']), month, day)
except ValueError:
raise XmpValueError(value, type_)
else:
if gd['minutes'] is None:
# Malformed time
raise XmpValueError(value, type_)
if gd['seconds'] is not None:
seconds = int(gd['seconds'])
else:
seconds = 0
if gd['decimal'] is not None:
microseconds = int(float('0.%s' % gd['decimal']) * 1E6)
else:
microseconds = 0
if gd['tzd'] == 'Z':
tzinfo = FixedOffset()
else:
tzinfo = FixedOffset(gd['sign'], int(gd['ohours']),
int(gd['ominutes']))
try:
return datetime.datetime(int(gd['year']), month, day,
int(gd['hours']),
int(gd['minutes']), seconds,
microseconds, tzinfo)
except ValueError:
raise XmpValueError(value, type_)
elif type_ == 'Dimensions':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ == 'Font':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ == 'GPSCoordinate':
try:
return GPSCoordinate.from_string(value)
except ValueError:
raise XmpValueError(value, type_)
elif type_ == 'Integer':
try:
return int(value)
except ValueError:
raise XmpValueError(value, type_)
elif type_ == 'Locale':
# TODO
# See RFC 3066
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ == 'MIMEType':
if value.count('/') != 1:
raise XmpValueError(value, type_)
try:
return tuple(value.split('/', 1))
except ValueError:
raise XmpValueError(value, type_)
elif type_ == 'Rational':
try:
return make_fraction(value)
except (ValueError, ZeroDivisionError):
raise XmpValueError(value, type_)
elif type_ == 'Real':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ in ('AgentName', 'ProperName', 'Text'):
if isinstance(value, bytes):
try:
value = str(value, 'utf-8')
except TypeError:
raise XmpValueError(value, type_)
return value
elif type_ == 'Thumbnail':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ in ('URI', 'URL'):
if isinstance(value, bytes):
try:
value = value.decode('utf-8')
except UnicodeDecodeError:
# Unknow encoding, return the raw value
pass
return value
elif type_ == 'XPath':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
raise NotImplementedError('XMP conversion for type [%s]' % type_)
def test_to_string(self):
self.assertEqual(str(GPSCoordinate(54, 59, 23, 'N')), '54,59,23N')
def test_from_string_invalid(bad_str):
with pytest.raises(ValueError):
GPS.from_string(bad_str)
def test_from_string_valid(str, deg, min, sec, dir):
assert GPS.from_string(str) == GPS(deg, min, sec, dir)
}),
('Xmp.exif.ApertureValue', FRt, FR(8, 1)),
('Xmp.exif.BrightnessValue', FRt, FR(333, 1280)),
('Xmp.exif.ColorSpace', int, 1),
('Xmp.exif.DateTimeOriginal', Dt, DT(2002, 7, 13, 15, 58, 28)),
('Xmp.exif.ExifVersion', str, '0200'),
('Xmp.exif.ExposureBiasValue', FRt, FR(-13, 20)),
('Xmp.exif.ExposureProgram', int, 4),
('Xmp.exif.FNumber', FRt, FR(3, 5)),
('Xmp.exif.FileSource', int, 0),
('Xmp.exif.FlashpixVersion', str, '0100'),
('Xmp.exif.FocalLength', FRt, FR(0, 1)),
('Xmp.exif.FocalPlaneResolutionUnit', int, 2),
('Xmp.exif.FocalPlaneXResolution', FRt, FR(3085, 256)),
('Xmp.exif.FocalPlaneYResolution', FRt, FR(3085, 256)),
('Xmp.exif.GPSLatitude', GPS, GPS.from_string('54,59.380000N')),
('Xmp.exif.GPSLongitude', GPS, GPS.from_string('1,54.850000W')),
('Xmp.exif.GPSMapDatum', str, 'WGS84'),
('Xmp.exif.GPSTimeStamp', Dt, DT(2002, 7, 13, 14, 58, 24)),
('Xmp.exif.GPSVersionID', str, '2.0.0.0'),
('Xmp.exif.ISOSpeedRatings', list, [0]),
('Xmp.exif.MeteringMode', int, 5),
('Xmp.exif.PixelXDimension', int, 2400),
('Xmp.exif.PixelYDimension', int, 1600),
('Xmp.exif.SceneType', int, 0),
('Xmp.exif.SensingMethod', int, 2),
('Xmp.exif.ShutterSpeedValue', FRt, FR(30827, 3245)),
('Xmp.pdf.Keywords', str, 'Communications'),
('Xmp.photoshop.AuthorsPosition', str, 'Photographer'),
('Xmp.photoshop.CaptionWriter', str, 'Ian Britton'),
('Xmp.photoshop.Category', str, 'BUS'),
def _convert_to_python(self, value, type_):
"""Convert a raw value to its corresponding python type.
Args:
value -- the raw value to be converted
type_ -- the simple type of the raw value
Return: the value converted to its corresponding python type
Raise XmpValueError: if the conversion fails
"""
if type_ == 'Boolean':
if value == 'True':
return True
elif value == 'False':
return False
else:
raise XmpValueError(value, type_)
elif type_ == 'Colorant':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ == 'Date':
match = self._date_re.match(value)
if match is None:
raise XmpValueError(value, type_)
gd = match.groupdict()
if gd['month'] is not None:
month = int(gd['month'])
else:
month = 1
if gd['day'] is not None:
day = int(gd['day'])
else:
day = 1
if gd['time'] is None:
try:
return datetime.date(int(gd['year']), month, day)
except ValueError:
raise XmpValueError(value, type_)
else:
if gd['minutes'] is None:
# Malformed time
raise XmpValueError(value, type_)
if gd['seconds'] is not None:
seconds = int(gd['seconds'])
else:
seconds = 0
if gd['decimal'] is not None:
microseconds = int(float('0.%s' % gd['decimal']) * 1E6)
else:
microseconds = 0
if gd['tzd'] is not None and gd[
'tzd'] == 'Z' and gd['sign'] is None and gd[
'ohours'] is None and gd['ominutes'] is None:
tzinfo = FixedOffset()
elif gd['sign'] is not None and gd[
'ohours'] is not None and gd['ominutes'] is not None:
tzinfo = FixedOffset(gd['sign'], int(gd['ohours']),
int(gd['ominutes']))
else:
tzinfo = None
# TODO: Decide if following is way to hande
# ======================================================================
# ERROR: test_convert_to_python_date (xmp.TestXmpTag)
# ----------------------------------------------------------------------
# Traceback (most recent call last):
# File "c:\Users\BSFau\Cloudstation\BSFsoftDev\axternal\py3exiv2\py3exiv2\test\xmp.py", line 91, in test_convert_to_python_date
# datetime.datetime(1999, 10, 13, 5, 3, tzinfo=FixedOffset()),
# TypeError: can't subtract offset-naive and offset-aware datetimes
# ----------------------------------------------------------------------
# u_tm = datetime.datetime.utcfromtimestamp(0)
# l_tm = datetime.datetime.fromtimestamp(0)
# tzinfo = datetime.timezone(l_tm - u_tm)
try:
if tzinfo is not None:
return datetime.datetime(int(gd['year']), month, day,
int(gd['hours']),
int(gd['minutes']), seconds,
microseconds, tzinfo)
else:
return datetime.datetime(int(gd['year']), month, day,
int(gd['hours']),
int(gd['minutes']), seconds,
microseconds)
except ValueError:
raise XmpValueError(value, type_)
elif type_ == 'Dimensions':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ == 'Font':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ == 'GPSCoordinate':
try:
return GPSCoordinate.from_string(value)
except ValueError:
raise XmpValueError(value, type_)
elif type_ == 'Integer':
try:
return int(value)
except ValueError:
raise XmpValueError(value, type_)
elif type_ == 'Locale':
# TODO
# See RFC 3066
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ == 'MIMEType':
if value.count('/') != 1:
raise XmpValueError(value, type_)
try:
return tuple(value.split('/', 1))
except ValueError:
raise XmpValueError(value, type_)
elif type_ == 'Rational':
try:
return make_fraction(value)
except (ValueError, ZeroDivisionError):
raise XmpValueError(value, type_)
elif type_ == 'Real':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ in ('AgentName', 'ProperName', 'Text'):
if isinstance(value, bytes):
try:
value = str(value, 'utf-8')
except TypeError:
raise XmpValueError(value, type_)
return value
elif type_ == 'Thumbnail':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
elif type_ in ('URI', 'URL'):
if isinstance(value, bytes):
try:
value = value.decode('utf-8')
except UnicodeDecodeError:
# Unknow encoding, return the raw value
pass
return value
elif type_ == 'XPath':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type_)
raise NotImplementedError('XMP conversion for type [%s]' % type_)
def _convert_to_python(self, value, type):
"""
Convert a raw value to its corresponding python type.
:param value: the raw value to be converted
:type value: string
:param type: the simple type of the raw value
:type type: string
:return: the value converted to its corresponding python type
:raise XmpValueError: if the conversion fails
"""
if type == 'Boolean':
if value == 'True':
return True
elif value == 'False':
return False
else:
raise XmpValueError(value, type)
elif type == 'Colorant':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type)
elif type == 'Date':
match = self._date_re.match(value)
if match is None:
raise XmpValueError(value, type)
gd = match.groupdict()
if gd['month'] is not None:
month = int(gd['month'])
else:
month = 1
if gd['day'] is not None:
day = int(gd['day'])
else:
day = 1
if gd['time'] is None:
try:
return datetime.date(int(gd['year']), month, day)
except ValueError:
raise XmpValueError(value, type)
else:
if gd['minutes'] is None:
# Malformed time
raise XmpValueError(value, type)
if gd['seconds'] is not None:
seconds = int(gd['seconds'])
else:
seconds = 0
if gd['decimal'] is not None:
microseconds = int(float('0.%s' % gd['decimal']) * 1E6)
else:
microseconds = 0
if gd['tzd'] == 'Z':
tzinfo = FixedOffset()
else:
tzinfo = FixedOffset(gd['sign'], int(gd['ohours']),
int(gd['ominutes']))
try:
return datetime.datetime(int(gd['year']), month, day,
int(gd['hours']), int(gd['minutes']),
seconds, microseconds, tzinfo)
except ValueError:
raise XmpValueError(value, type)
elif type == 'Dimensions':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type)
elif type == 'Font':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type)
elif type == 'GPSCoordinate':
try:
return GPSCoordinate.from_string(value)
except ValueError:
raise XmpValueError(value, type)
elif type == 'Integer':
try:
return int(value)
except ValueError:
raise XmpValueError(value, type)
elif type == 'Locale':
# TODO
# See RFC 3066
raise NotImplementedError('XMP conversion for type [%s]' % type)
elif type == 'MIMEType':
if value.count('/') != 1:
raise XmpValueError(value, type)
try:
return tuple(value.split('/', 1))
except ValueError:
raise XmpValueError(value, type)
elif type == 'Rational':
try:
return make_fraction(value)
except (ValueError, ZeroDivisionError):
raise XmpValueError(value, type)
elif type == 'Real':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type)
elif type in ('AgentName', 'ProperName', 'Text'):
try:
return unicode(value, 'utf-8')
except TypeError:
raise XmpValueError(value, type)
elif type == 'Thumbnail':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type)
elif type in ('URI', 'URL'):
return value
elif type == 'XPath':
# TODO
raise NotImplementedError('XMP conversion for type [%s]' % type)
raise NotImplementedError('XMP conversion for type [%s]' % type)