def coerce(self, value, context=None):
if isinstance(value, str):
value = value.split(self._separator)
if isinstance(value, dict):
value = value.values()
if not isinstance(value, Iterable):
raise AttributeException("Unable to value convert to list")
parent = context.parent if context is not None else None
return tuple([
t.coerce(x, CoerceContext(parent=parent, key=i))
for i, (x, t) in enumerate(zip(value, self._types))
])
def coerce(self, value, context=None):
if not isinstance(value, Mapping):
raise AttributeException("Unable to value convert to dict")
container = self._container()
for name, data in value.items():
ctx = CoerceContext(
parent=context.parent if context is not None else None,
key=name)
container[name] = self._contains.coerce(data, ctx)
if self.readonly:
return ReadonlyMapping(container)
else:
return CoerceMapping(container, self, self._contains)
def coerce(self, value, context=None):
if isinstance(value, str):
value = [v.strip() for v in value.split(self._separator)]
if isinstance(value, dict):
value = value.values()
if not isinstance(value, Iterable):
raise AttributeException("Unable to convert value to list")
parent = context.parent if context is not None else None
data = [
self._contains.coerce(x, CoerceContext(parent=parent, key=i))
for i, x in enumerate(value)
]
if self.readonly:
return ReadonlySequence(data)
else:
return CoerceSequence(data, self, self._contains)
def __setitem__(self, key, value):
ctx = CoerceContext(parent=self._parent, key=key)
self._data[key] = self._type.coerce(value, ctx)
def __setitem__(self, index, value):
ctx = CoerceContext(parent=self._parent, key=index)
self._data[index] = self._type.coerce(value, ctx)
def insert(self, index, value):
ctx = CoerceContext(parent=self._parent, key=index)
self._data.insert(index, self._type.coerce(value, ctx))
def append(self, item):
ctx = CoerceContext(parent=self._parent, key=len(self._data))
self._data.append(self._type.coerce(item, ctx))