def from_obj(cls, obj):
if 'filters' in obj and isinstance(obj['filters'], list):
if not obj['filters']:
raise FilterValueError('Empty filters for And/Or')
return cls(*[filter_from_obj(f) for f in obj['filters']])
raise FilterValueError('Invalid object for {0}'.format(cls.__name__))
def deserialize(obj):
if not isinstance(obj, dict):
return BaseFilter(obj)
if len(obj) != 1:
raise FilterValueError('Malformatted filter')
for name, value in obj.items():
break
for filter_class in filter_classes:
if filter_class.__name__ == name:
break
else:
raise FilterValueError('No such filter: {0}'.format(name))
return filter_class.deserialize_value(value)
def __init__(self, value):
if type(self) == BaseFilter and isinstance(value, bool):
pass
elif isinstance(value, (int, float)):
pass
elif isinstance(value, tuple(s[0] for s in STR_BASED_DATATYPES)):
pass
elif isinstance(value, str):
for char in '\'"':
if char in value:
raise FilterValueError(
'"{}" character is not allowed on filter values'.
format(char))
else:
raise FilterValueError('Filter value cannot be {}'.format(
type(value).__name__))
self.value = value
def __init__(self, value):
self.value = value
try:
self._regexp_obj = re_compile(value)
except re_error as error:
raise FilterValueError(str(error))
def deserialize_value(cls, value):
if value is not None:
raise FilterValueError('Invalid value for {}()'.format(
cls.__name__))
return cls()
def deserialize_value(cls, value):
if not isinstance(value, list):
raise FilterValueError('Invalid value for {}()'.format(
cls.__name__))
return cls(*[cls.deserialize(v) for v in value])
def from_obj(cls, obj):
if 'value' in obj:
return cls(obj['value'])
raise FilterValueError('Invalid object for ExactMatch')
def from_obj(cls, obj):
if 'value' in obj:
return cls(obj['value'])
raise FilterValueError('Invalid object for Startswith')
def from_obj(cls, obj):
if 'networks' in obj and isinstance(obj['networks'], (tuple, list)):
return cls(*obj['networks'])
raise FilterValueError('Invalid object for {0}'.format(cls))
def from_obj(cls, obj):
if 'filter' in obj:
return cls(filter_from_obj(obj['filter']))
raise FilterValueError('Invalid object for Not')
def from_obj(cls, obj):
if 'values' in obj and isinstance(obj['values'], list):
return cls(*obj['values'])
raise FilterValueError('Invalid object for Any')
def from_obj(cls, obj):
if 'comparator' in obj and 'value' in obj:
return cls(obj['comparator'], obj['value'])
raise FilterValueError('Invalid object for Comparison')
def deserialize_value(cls, value):
if not isinstance(value, list) or len(value) != 2:
raise FilterValueError(
'Invalid value for {}()'.format(cls.__name__)
)
return cls(value[0], value[1])
def __init__(self, comparator, value):
if comparator not in ('<', '>', '<=', '>='):
raise FilterValueError('Invalid operator: ' + comparator)
self.comparator = comparator
self.value = value
def from_obj(cls, obj):
if 'regexp' in obj:
return cls(obj['regexp'])
raise FilterValueError('Invalid object for Regexp')
