Comments (5)
To ensure your conversation records are permanently saved in the chat_stores.json
file with SimpleChatStore
, you need to explicitly call the persist
method after your chat interactions. Here's how you can do it:
chat_store.persist(persist_path="chat_stores.json")
This method should be called at points in your application where you want to save the chat history, such as after a conversation session ends or at regular intervals.
Additionally, there's a critical detail to be aware of regarding the persist
method implementation. If you're encountering issues with the chat history not being saved, it might be due to incorrect indentation in the persist
method within the SimpleChatStore
class. Ensure that the block of code responsible for writing to the file is correctly indented to execute outside of any conditional directory existence checks. This adjustment ensures that the chat store data is written to the chat_stores.json
file as intended.
For more detailed implementation and to verify the correct structure, you might want to review the source code of the SimpleChatStore
class. This will help you ensure that your chat history is being saved correctly.
Details
Sources
- docs/docs/module_guides/storing/chat_stores.md
- llama-index-core/llama_index/core/storage/chat_store/simple_chat_store.py
- llama-index-legacy/llama_index/legacy/storage/chat_store/simple_chat_store.py
- llama-index-core/llama_index/core/memory/chat_memory_buffer.py
- llama-index-legacy/llama_index/legacy/memory/chat_memory_buffer.py
About Dosu
This response is meant to be useful and save you time. It is not meant to be a precise solution, but rather a starting point for your own research.
Help me be more useful! Please leave a 👍 if this is helpful and 👎 if it is irrelevant.
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The issue with the chat_stores.json
file not saving the conversation records correctly seems to stem from the serialization process of the store
attribute within the SimpleChatStore
. To ensure that the conversation records are properly saved, you need to serialize the store
dictionary directly to JSON format before writing it to the file. This involves using json.dumps(self.store)
to correctly serialize the store
dictionary, which holds the conversation records, instead of relying on a potentially undefined self.json()
method.
Here's how you can adjust the persist
method to correctly handle the serialization:
def persist(
self,
persist_path: str = "chat_store.json",
fs: Optional[fsspec.AbstractFileSystem] = None,
) -> None:
"""Persist the chat store to a file."""
fs = fs or fsspec.filesystem("file")
dirpath = os.path.dirname(persist_path)
if not fs.exists(dirpath):
fs.makedirs(dirpath)
with fs.open(persist_path, "w") as f:
f.write(json.dumps(self.store)) # Serialize the store dictionary correctly
This modification ensures that the store
dictionary is properly converted to a JSON string and written to the specified file, addressing the issue with saving conversation records.
Details
Sources
About Dosu
This response is meant to be useful and save you time. It is not meant to be a precise solution, but rather a starting point for your own research.
Help me be more useful! Please leave a 👍 if this is helpful and 👎 if it is irrelevant.
To continue the conversation, mention @dosu.
from llama_index.
The data stored in stores.json is as follows
"{"store": {}, "class_name": "SimpleChatStore"}"
from llama_index.
This was not saved successfully
from llama_index.
@union-cmd You didn't persist the chat store.
This works fine for me
from llama_index.core.memory import ChatMemoryBuffer
from llama_index.core.storage.chat_store import SimpleChatStore
from llama_index.core import Document, VectorStoreIndex
index = VectorStoreIndex.from_documents([Document.example()])
chat_store = SimpleChatStore()
memory = ChatMemoryBuffer.from_defaults(
token_limit=5000,
chat_store=chat_store,
chat_store_key="user1"
)
chat_engine = index.as_chat_engine(
chat_mode="condense_plus_context",
memory=memory
)
response = chat_engine.chat("hello!")
chat_store.persist("chat_store.json")
chat_store = SimpleChatStore.from_persist_path("chat_store.json")
memory = ChatMemoryBuffer.from_defaults(
token_limit=5000,
chat_store=chat_store,
chat_store_key="user1"
)
print(memory.get_all())
from llama_index.
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