in opensearch_dsl/search.py [0:0]
def __init__(self, using="default", index=None, doc_type=None, extra=None):
self._using = using
self._index = None
if isinstance(index, (tuple, list)):
self._index = list(index)
elif index:
self._index = [index]
self._doc_type = []
self._doc_type_map = {}
if isinstance(doc_type, (tuple, list)):
self._doc_type.extend(doc_type)
elif isinstance(doc_type, collections_abc.Mapping):
self._doc_type.extend(doc_type.keys())
self._doc_type_map.update(doc_type)
elif doc_type:
self._doc_type.append(doc_type)
self._params = {}
self._extra = extra or {}