def test_xmp(self):
# datetime
d = datetime.datetime(1899, 12, 31)
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31')
d = datetime.datetime(1899, 12, 31, tzinfo=FixedOffset())
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31')
d = datetime.datetime(1899, 12, 31, 23, 59)
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59Z')
d = datetime.datetime(1899, 12, 31, 23, 59, tzinfo=FixedOffset())
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59Z')
d = datetime.datetime(1899, 12, 31, 23, 59, tzinfo=FixedOffset(hours=3))
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59+03:00')
d = datetime.datetime(1899, 12, 31, 23, 59, 59)
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59:59Z')
d = datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset())
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59:59Z')
d = datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset(hours=3))
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59:59+03:00')
d = datetime.datetime(1899, 12, 31, 23, 59, 59, 999999)
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59:59.999999Z')
d = datetime.datetime(1899, 12, 31, 23, 59, 59, 999999, tzinfo=FixedOffset())
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59:59.999999Z')
d = datetime.datetime(1899, 12, 31, 23, 59, 59, 999999, tzinfo=FixedOffset(hours=3))
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59:59.999999+03:00')
d = datetime.datetime(2011, 8, 11, 9, 23, 44)
self.assertEqual(DateTimeFormatter.xmp(d), '2011-08-11T09:23:44Z')
# date
d = datetime.date(1899, 12, 31)
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31')
d = datetime.date(2011, 8, 8)
self.assertEqual(DateTimeFormatter.xmp(d), '2011-08-08')
# invalid type
self.assertRaises(TypeError, DateTimeFormatter.xmp, None)
self.assertRaises(TypeError, DateTimeFormatter.xmp, 3.14)
def _convert_to_string(self, value, type_):
"""Convert a value to its corresponding string representation.
Args:
value -- the value to be converted
type_ -- the simple type of the value
Return: the value converted to its corresponding string representation
Raise XmpValueError: if the conversion fails
"""
if type_ == 'Boolean':
if isinstance(value, bool):
return str(value)
else:
raise XmpValueError(value, type_)
elif type_ == 'Date':
if isinstance(value, (datetime.date, datetime.datetime)):
return DateTimeFormatter.xmp(value)
else:
raise XmpValueError(value, type_)
elif type_ == 'GPSCoordinate':
if isinstance(value, GPSCoordinate):
return str(value)
else:
raise XmpValueError(value, type_)
elif type_ == 'Integer':
if isinstance(value, int):
return str(value)
else:
raise XmpValueError(value, type_)
elif type_ == 'MIMEType':
if isinstance(value, tuple) and len(value) == 2:
return '/'.join(value)
else:
raise XmpValueError(value, type_)
elif type_ in ('AgentName', 'ProperName', 'Text', 'URI', 'URL'):
if isinstance(value, str):
try:
return value.encode('utf-8')
except UnicodeEncodeError:
raise XmpValueError(value, type_)
elif isinstance(value, bytes):
return value
raise XmpValueError(value, type_)
elif type_ == 'Rational':
if is_fraction(value):
return str(value)
else:
raise XmpValueError(value, type_)
elif type_ == '':
# Undefined type
if isinstance(value, str):
try:
return value.encode('utf-8')
except UnicodeEncodeError:
raise XmpValueError(value, type_)
elif isinstance(value, (datetime.date, datetime.datetime)):
return DateTimeFormatter.xmp(value)
raise NotImplementedError('XMP conversion for type [%s]' % type_)
def test_xmp(self):
# datetime
d = datetime.datetime(1899, 12, 31)
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31')
d = datetime.datetime(1899, 12, 31, tzinfo=FixedOffset())
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31')
d = datetime.datetime(1899, 12, 31, 23, 59)
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59Z')
d = datetime.datetime(1899, 12, 31, 23, 59, tzinfo=FixedOffset())
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59Z')
d = datetime.datetime(1899,
12,
31,
23,
59,
tzinfo=FixedOffset(hours=3))
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59+03:00')
d = datetime.datetime(1899, 12, 31, 23, 59, 59)
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59:59Z')
d = datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset())
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59:59Z')
d = datetime.datetime(1899,
12,
31,
23,
59,
59,
tzinfo=FixedOffset(hours=3))
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31T23:59:59+03:00')
d = datetime.datetime(1899, 12, 31, 23, 59, 59, 999999)
self.assertEqual(DateTimeFormatter.xmp(d),
'1899-12-31T23:59:59.999999Z')
d = datetime.datetime(1899,
12,
31,
23,
59,
59,
999999,
tzinfo=FixedOffset())
self.assertEqual(DateTimeFormatter.xmp(d),
'1899-12-31T23:59:59.999999Z')
d = datetime.datetime(1899,
12,
31,
23,
59,
59,
999999,
tzinfo=FixedOffset(hours=3))
self.assertEqual(DateTimeFormatter.xmp(d),
'1899-12-31T23:59:59.999999+03:00')
d = datetime.datetime(2011, 8, 11, 9, 23, 44)
self.assertEqual(DateTimeFormatter.xmp(d), '2011-08-11T09:23:44Z')
# date
d = datetime.date(1899, 12, 31)
self.assertEqual(DateTimeFormatter.xmp(d), '1899-12-31')
d = datetime.date(2011, 8, 8)
self.assertEqual(DateTimeFormatter.xmp(d), '2011-08-08')
# invalid type
self.assertRaises(TypeError, DateTimeFormatter.xmp, None)
self.assertRaises(TypeError, DateTimeFormatter.xmp, 3.14)
def _convert_to_string(self, value, type):
"""
Convert a value to its corresponding string representation, suitable to
pass to libexiv2.
:param value: the value to be converted
:param type: the simple type of the value
:type type: string
:return: the value converted to its corresponding string representation
:rtype: string
:raise XmpValueError: if the conversion fails
"""
if type == 'Boolean':
if isinstance(value, bool):
return str(value)
else:
raise XmpValueError(value, type)
elif type == 'Date':
if isinstance(value, (datetime.date, datetime.datetime)):
return DateTimeFormatter.xmp(value)
else:
raise XmpValueError(value, type)
elif type == 'GPSCoordinate':
if isinstance(value, GPSCoordinate):
return str(value)
else:
raise XmpValueError(value, type)
elif type == 'Integer':
if isinstance(value, (int, long)):
return str(value)
else:
raise XmpValueError(value, type)
elif type == 'MIMEType':
if isinstance(value, tuple) and len(value) == 2:
return '/'.join(value)
else:
raise XmpValueError(value, type)
elif type in ('AgentName', 'ProperName', 'Text', 'URI', 'URL'):
if isinstance(value, unicode):
try:
return value.encode('utf-8')
except UnicodeEncodeError:
raise XmpValueError(value, type)
elif isinstance(value, str):
return value
else:
raise XmpValueError(value, type)
elif type == 'Rational':
if is_fraction(value):
return str(value)
else:
raise XmpValueError(value, type)
elif type == '':
# Unknown type, assume string
if isinstance(value, unicode):
try:
return value.encode('utf-8')
except UnicodeEncodeError:
raise XmpValueError(value, type)
elif isinstance(value, str):
return value
else:
raise XmpValueError(value, type)
raise NotImplementedError('XMP conversion for type [%s]' % type)
def _convert_to_string(self, value, type):
"""
Convert a value to its corresponding string representation, suitable to
pass to libexiv2.
:param value: the value to be converted
:param type: the simple type of the value
:type type: string
:return: the value converted to its corresponding string representation
:rtype: string
:raise XmpValueError: if the conversion fails
"""
if type == 'Boolean':
if isinstance(value, bool):
return str(value)
else:
raise XmpValueError(value, type)
elif type == 'Date':
if isinstance(value, (datetime.date, datetime.datetime)):
return DateTimeFormatter.xmp(value)
else:
raise XmpValueError(value, type)
elif type == 'GPSCoordinate':
if isinstance(value, GPSCoordinate):
return str(value)
else:
raise XmpValueError(value, type)
elif type == 'Integer':
if isinstance(value, (int, long)):
return str(value)
else:
raise XmpValueError(value, type)
elif type == 'MIMEType':
if isinstance(value, tuple) and len(value) == 2:
return '/'.join(value)
else:
raise XmpValueError(value, type)
elif type in ('AgentName', 'ProperName', 'Text', 'URI', 'URL'):
if isinstance(value, unicode):
try:
return value.encode('utf-8')
except UnicodeEncodeError:
raise XmpValueError(value, type)
elif isinstance(value, str):
return value
else:
raise XmpValueError(value, type)
elif type == 'Rational':
if is_fraction(value):
return str(value)
else:
raise XmpValueError(value, type)
elif type == '':
# Unknown type, assume string
if isinstance(value, unicode):
try:
return value.encode('utf-8')
except UnicodeEncodeError:
raise XmpValueError(value, type)
elif isinstance(value, str):
return value
else:
raise XmpValueError(value, type)
raise NotImplementedError('XMP conversion for type [%s]' % type)
def test_xmp_invalid(bad_ts):
with pytest.raises(TypeError):
DateTimeFormatter.xmp(bad_ts)
def test_xmp_valid(formatted, ts):
assert DateTimeFormatter.xmp(ts) == formatted