def marshal(self, value):
if value is None:
if self.default is not None:
return self.default
raise ManifestError(f'"{self.key}" is a required field but it is missing')
try:
return_value = self.type.marshal(value)
except Exception as err:
raise ManifestError(f'Failed to marshal {self.key}: {err}')
return return_value
def marshal(self, value):
return_value = []
value = value or []
if not isinstance(value, list):
raise ManifestError(f'"{self.key}" has to be of type list')
try:
for item in value:
return_value.append(self.type.marshal(item))
except Exception as err:
raise ManifestError(f'Failed to convert {self.key}={value} to array: {err}')
return return_value
def unmarshal(self, value):
try:
if hasattr(value, 'deparse'):
return value.deparse()
return str(value)
except Exception as err:
raise ManifestError(f'Failed to unmarshal {value}: {err}')
def marshal(self, value: Optional[dict]):
result = {}
value = value or {}
if not isinstance(value, dict):
raise ManifestError(f'"{self.key}" field has to be a dictionary')
for item in self.items:
next_value = value.get(item.key)
result[item.key] = item.marshal(next_value)
return result
def marshal(self, value):
if value is None:
return []
return_value = []
try:
for item in value:
return_value.append(self.type.marshal(item))
except Exception as err:
raise ManifestError(f'Failed to convert {self.key}={value} to array: {err}')
return return_value
def marshal(self, value):
if not isinstance(value, self.type):
raise ManifestError(f'{value} is not of type {self.type.__name__}')
return value
def marshal(self, value):
try:
return self.type.parse(value)
except ValueError as err:
raise ManifestError(f'Failed to marshal {value}: {err}')