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feat: Context Template from settings for QueryDocs Allowing the text … #1398

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feat: Context Template from settings for QueryDocs Allowing the text … #1398

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feat: Context Template from settings for QueryDocs Allowing the text …
Dec 9, 2023
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synced from main and solved conflicts
juan-m12i Dec 19, 2023
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feat: Context Template from settings for QueryDocs Allowing the text …
juan-m12i Dec 19, 2023
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Merge remote-tracking branch 'origin/main' into load-context-template…
juan-m12i Dec 19, 2023
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new round of PR reviews
Dec 20, 2023
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Merge remote-tracking branch 'upstream/main' into load-context-templa…
jaluma Jul 8, 2024
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9 changes: 9 additions & 0 deletions private_gpt/server/chat/chat_service.py
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Were is set (at usage) this new context_template?

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I am not sure if I understand.

If "query docs" is being used, it creates a ContextChatEngine (from llama_index) that accepts this parameter. Currently it's never passed, so it defaults to a hardcoded value. With this change, if there is a value defined in the settings file, the value in settings will be used instead. This should work both from the Gradio UI or from the API.

As per the Discord discussion, I didn't expose this configuration to the API

Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
)
from private_gpt.open_ai.extensions.context_filter import ContextFilter
from private_gpt.server.chunks.chunks_service import Chunk
from private_gpt.settings.settings import settings


class Completion(BaseModel):
Expand Down Expand Up @@ -97,8 +98,11 @@ def _chat_engine(
system_prompt: str | None = None,
use_context: bool = False,
context_filter: ContextFilter | None = None,
context_template: str | None = None,
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Given we are not making use of this context_template argument anywhere, I'd suggest to remove it for the moment.

) -> BaseChatEngine:
if use_context:
if context_template is None:
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Instead of this, why not checking if settings.rag.default_cotnext_template is not None and then apply it?

context_template = settings().rag.default_context_template
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You should avoid calling settings() directly, and instead inject settings as a dependency in the ChatService constructor. Check how settings are injected in EmbeddingComponent or LLMComponent for example.

vector_index_retriever = self.vector_store_component.get_retriever(
index=self.index, context_filter=context_filter
)
Expand All @@ -109,6 +113,7 @@ def _chat_engine(
node_postprocessors=[
MetadataReplacementPostProcessor(target_metadata_key="window"),
],
context_template=context_template,
)
else:
return SimpleChatEngine.from_defaults(
Expand All @@ -121,6 +126,7 @@ def stream_chat(
messages: list[ChatMessage],
use_context: bool = False,
context_filter: ContextFilter | None = None,
context_template: str | None = None,
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Given we are not making use of this context_template argument anywhere, I'd suggest to remove it for the moment.

) -> CompletionGen:
chat_engine_input = ChatEngineInput.from_messages(messages)
last_message = (
Expand All @@ -141,6 +147,7 @@ def stream_chat(
system_prompt=system_prompt,
use_context=use_context,
context_filter=context_filter,
context_template=context_template,
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Given we are not making use of this context_template argument anywhere, I'd suggest to remove it for the moment.

)
streaming_response = chat_engine.stream_chat(
message=last_message if last_message is not None else "",
Expand All @@ -157,6 +164,7 @@ def chat(
messages: list[ChatMessage],
use_context: bool = False,
context_filter: ContextFilter | None = None,
context_template: str | None = None,
) -> Completion:
chat_engine_input = ChatEngineInput.from_messages(messages)
last_message = (
Expand All @@ -177,6 +185,7 @@ def chat(
system_prompt=system_prompt,
use_context=use_context,
context_filter=context_filter,
context_template=context_template,
)
wrapped_response = chat_engine.chat(
message=last_message if last_message is not None else "",
Expand Down
11 changes: 11 additions & 0 deletions private_gpt/settings/settings.py
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Original file line number Diff line number Diff line change
Expand Up @@ -217,6 +217,16 @@ class QdrantSettings(BaseModel):
)


class RagSettings(BaseModel):
default_context_template: str | None = Field(
None,
description=(
"The default context template to use for the chat engine when using RAG. "
"If none is given - use the default system prompt (from the llama_index). "
),
)


class Settings(BaseModel):
server: ServerSettings
data: DataSettings
Expand All @@ -228,6 +238,7 @@ class Settings(BaseModel):
openai: OpenAISettings
vectorstore: VectorstoreSettings
qdrant: QdrantSettings | None = None
rag: RagSettings


"""
Expand Down
7 changes: 7 additions & 0 deletions settings.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -59,3 +59,10 @@ sagemaker:
openai:
api_key: ${OPENAI_API_KEY:}
model: gpt-3.5-turbo

rag:
default_context_template: |
Context information is below.
--------------------
{context_str}
--------------------