def _deserialize(self, value, attr, data):
if not value: # Falsy values, e.g. '', None, [] are not valid
raise self.fail("invalid")
self.dateformat = self.dateformat or self.DEFAULT_FORMAT
func = self.DATEFORMAT_DESERIALIZATION_FUNCS.get(self.dateformat)
if func:
try:
return arrow.get(func(value))
except (TypeError, AttributeError, ValueError):
raise self.fail("invalid")
elif self.dateformat:
try:
return dt.datetime.strptime(value, self.dateformat)
except (TypeError, AttributeError, ValueError):
raise self.fail("invalid")
elif utils.dateutil_available:
try:
return arrow.get(utils.from_datestring(value))
except TypeError:
raise self.fail("invalid")
else:
warnings.warn(
"It is recommended that you install python-dateutil "
"for improved datetime deserialization."
)
raise self.fail("invalid")
def _deserialize(self, value):
msg = 'Could not deserialize {0!r} to a datetime object.'.format(value)
err = ValidationError(getattr(self, 'error', None) or msg)
if not value: # Falsy values, e.g. '', None, [] are not valid
raise err
self.dateformat = self.dateformat or self.DEFAULT_FORMAT
func = self.DATEFORMAT_DESERIALIZATION_FUNCS.get(self.dateformat)
if func:
try:
return func(value)
except (TypeError, AttributeError, ValueError):
raise err
elif self.dateformat:
try:
return dt.datetime.strptime(value, self.dateformat)
except (TypeError, AttributeError, ValueError):
raise err
elif utils.dateutil_available:
try:
return utils.from_datestring(value)
except TypeError:
raise err
else:
warnings.warn('It is recommended that you install python-dateutil '
'for improved datetime deserialization.')
raise err
def _deserialize(self, value, attr, data):
self.dateformat = self.dateformat or self.DEFAULT_FORMAT
func = self.DATEFORMAT_DESERIALIZATION_FUNCS.get(self.dateformat)
if func:
try:
return func(value)
except (TypeError, AttributeError, ValueError):
raise self.fail('invalid')
elif self.dateformat:
try:
return datetime.strptime(value, self.dateformat)
except (TypeError, AttributeError, ValueError):
raise self.fail('invalid')
elif utils.dateutil_available:
try:
return utils.from_datestring(value)
except TypeError:
raise self.fail('invalid')
else:
warnings.warn('It is recommended that you install python-dateutil '
'for improved datetime deserialization.')
raise self.fail('invalid')
def _deserialize(self, value):
err = UnmarshallingError(
'Cannot deserialize {0!r} to a datetime'.format(value)
)
self.dateformat = self.dateformat or self.DEFAULT_FORMAT
func = DATEFORMAT_DESERIALIZATION_FUNCS.get(self.dateformat)
if func:
try:
return func(value)
except TypeError:
raise err
except (AttributeError, ValueError) as err:
msg = 'Could not deserialize {0!r} to a datetime object.'.format(value)
raise UnmarshallingError(getattr(self, 'error', None) or msg)
elif utils.dateutil_available:
try:
return utils.from_datestring(value)
except TypeError:
raise err
else:
warnings.warn('It is recommended that you install python-dateutil '
'for improved datetime deserialization.')
raise err
def _deserialize(self, value, attr, data):
if not value: # Falsy values, e.g. '', None, [] are not valid
raise self.fail('invalid')
self.dateformat = self.dateformat or self.DEFAULT_FORMAT
func = self.DATEFORMAT_DESERIALIZATION_FUNCS.get(self.dateformat)
if func:
try:
return func(value)
except (TypeError, AttributeError, ValueError):
raise self.fail('invalid')
elif self.dateformat:
try:
return dt.datetime.strptime(value, self.dateformat)
except (TypeError, AttributeError, ValueError):
raise self.fail('invalid')
elif utils.dateutil_available:
try:
return utils.from_datestring(value)
except TypeError:
raise self.fail('invalid')
else:
warnings.warn('It is recommended that you install python-dateutil '
'for improved datetime deserialization.')
raise self.fail('invalid')
def test_from_datestring():
d = dt.datetime.now()
rfc = utils.rfcformat(d)
iso = d.isoformat()
assert_date_equal(utils.from_datestring(rfc), d)
assert_date_equal(utils.from_datestring(iso), d)
def test_from_datestring():
d = dt.datetime.now()
rfc = utils.rfcformat(d)
iso = d.isoformat()
assert_date_equal(utils.from_datestring(rfc), d)
assert_date_equal(utils.from_datestring(iso), d)
