validators.py 文件源码

def type_convert(self, obj):
        if obj is None:
            return None
        if isinstance(obj, (dict, list)) and not isinstance(obj, MultiDict):
            return obj
        if isinstance(obj, Headers):
            obj = MultiDict(obj)
        result = dict()

        convert_funs = {
            'integer': lambda v: int(v[0]),
            'boolean': lambda v: v[0].lower() not in ['n', 'no',
                                                      'false', '', '0'],
            'null': lambda v: None,
            'number': lambda v: float(v[0]),
            'string': lambda v: v[0]
        }

        def convert_array(type_, v):
            func = convert_funs.get(type_, lambda v: v[0])
            return [func([i]) for i in v]

        for k, values in obj.lists():
            prop = self.validator.schema['properties'].get(k, {})
            type_ = prop.get('type')
            fun = convert_funs.get(type_, lambda v: v[0])
            if type_ == 'array':
                item_type = prop.get('items', {}).get('type')
                result[k] = convert_array(item_type, values)
            else:
                result[k] = fun(values)
        return result