jsonb.py 文件源码

def to_python(self, value):
        if self.disabled:
            return value
        if value in self.empty_values:
            return None
        elif isinstance(value, (list, dict, int, float, JSONString)):
            return value
        try:
            converted = json.loads(value)
        except ValueError:
            raise forms.ValidationError(
                self.error_messages['invalid'],
                code='invalid',
                params={'value': value},
            )
        if isinstance(converted, six.text_type):
            return JSONString(converted)
        else:
            return converted