def change_meta_from_doc(document, data_source_type, data_source_name):
if document is None:
raise MissingMetaInformationError('No document!')
doc_meta = get_doc_meta_object_from_document(document)
return change_meta_from_doc_meta_and_document(doc_meta, document,
data_source_type,
data_source_name)
def change_meta_from_doc_meta_and_document(doc_meta,
document,
data_source_type,
data_source_name,
doc_id=None):
if doc_meta is None:
raise MissingMetaInformationError(
u"Couldn't guess document type for {}!".format(document))
doc_id = doc_id or document.get('_id', None)
if not doc_id:
raise MissingMetaInformationError(u"No doc ID!!".format(document))
return ChangeMeta(
document_id=doc_id or document['_id'],
data_source_type=data_source_type,
data_source_name=data_source_name,
document_type=doc_meta.raw_doc_type,
document_subtype=doc_meta.subtype,
domain=doc_meta.domain,
is_deletion=doc_meta.is_deletion,
)