def _check_property(self, stix_obj_property):
"""
creating a filter that uses the .casefold() function to remove case sensitivity
:param stix_obj_property:
:return:
"""
'''Had to keep the following code so that '''
# If filtering on a timestamp property and the filter value is a string,
# try to convert the filter value to a datetime instance.
if isinstance(stix_obj_property, datetime) and \
isinstance(self.value, six.string_types):
filter_value = stix2.utils.parse_into_datetime(self.value)
else:
filter_value = self.value
if self.op == "casefold":
return stix_obj_property.casefold() == filter_value.casefold()
else:
Filter._check_property(self, stix_obj_property)
def _check_property(self, stix_obj_property):
"""Check a property of a STIX Object against this casefold filter, but with a casefold operator.
Args:
stix_obj_property: value to check this filter against
Returns:
True if property matches the filter,
False otherwise.
"""
# Had to keep the following code so that
# If filtering on a timestamp property and the filter value is a string,
# try to convert the filter value to a datetime instance.
if isinstance(stix_obj_property, datetime) and isinstance(
self.value, str):
filter_value = stix2.utils.parse_into_datetime(self.value)
else:
filter_value = self.value
if self.op == 'casefold':
return stix_obj_property.casefold() == filter_value.casefold()
else:
Filter._check_property(self, stix_obj_property)
