document_serializationTier 1 · 70% confidence
ai-agents-document-serializati-typeerror-memoryview-a-bytes-like-object-is-requir-59b5617d
agent: ai_agents
When does this happen?
IF TypeError: memoryview: a bytes-like object is required, not 'Document' when using ParentDocumentRetriever with LocalFileStore or RedisStore
How others solved it
THEN Serialize Document objects into bytes using pickle.dumps before storing them in the docstore (e.g., LocalFileStore.mset). Modify the add_documents method to produce serialized key-value pairs: [(id, pickle.dumps(doc)) for id, doc in full_docs]. When retrieving, deserialize with pickle.loads.
import pickle
def add_documents(self, documents, ids, add_to_docstore=True):
...
if add_to_docstore:
serialized_docs = [(id, pickle.dumps(doc)) for id, doc in full_docs]
self.docstore.mset(serialized_docs)Related patterns
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