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Unverified Commit d9911451 authored by Timothy Jaeryang Baek's avatar Timothy Jaeryang Baek Committed by GitHub
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Merge pull request #1113 from open-webui/rag 

feat: rag api
parents 6ba62cf2 784ee6f5
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Showing with 209 additions and 117 deletions
backend/apps/rag/utils.py
View file @ d9911451
import re
from typing import List from typing import List
from config import CHROMA_CLIENT from config import CHROMA_CLIENT
...@@ -87,3 +88,10 @@ def query_collection( ...@@ -87,3 +88,10 @@ def query_collection(
pass pass
return merge_and_sort_query_results(results, k) return merge_and_sort_query_results(results, k)
def rag_template(template: str, context: str, query: str):
template = re.sub(r"\[context\]", context, template)
template = re.sub(r"\[query\]", query, template)
return template
backend/main.py
View file @ d9911451
...@@ -12,6 +12,7 @@ from fastapi import HTTPException ...@@ -12,6 +12,7 @@ from fastapi import HTTPException
from fastapi.middleware.wsgi import WSGIMiddleware from fastapi.middleware.wsgi import WSGIMiddleware
from fastapi.middleware.cors import CORSMiddleware from fastapi.middleware.cors import CORSMiddleware
from starlette.exceptions import HTTPException as StarletteHTTPException from starlette.exceptions import HTTPException as StarletteHTTPException
from starlette.middleware.base import BaseHTTPMiddleware
from apps.ollama.main import app as ollama_app from apps.ollama.main import app as ollama_app
...@@ -23,6 +24,8 @@ from apps.rag.main import app as rag_app ...@@ -23,6 +24,8 @@ from apps.rag.main import app as rag_app
from apps.web.main import app as webui_app from apps.web.main import app as webui_app
from apps.rag.utils import query_doc, query_collection, rag_template
from config import WEBUI_NAME, ENV, VERSION, CHANGELOG, FRONTEND_BUILD_DIR from config import WEBUI_NAME, ENV, VERSION, CHANGELOG, FRONTEND_BUILD_DIR
from constants import ERROR_MESSAGES from constants import ERROR_MESSAGES
...@@ -56,6 +59,124 @@ async def on_startup(): ...@@ -56,6 +59,124 @@ async def on_startup():
await litellm_app_startup() await litellm_app_startup()
class RAGMiddleware(BaseHTTPMiddleware):
async def dispatch(self, request: Request, call_next):
if request.method == "POST" and (
"/api/chat" in request.url.path or "/chat/completions" in request.url.path
):
print(request.url.path)
# Read the original request body
body = await request.body()
# Decode body to string
body_str = body.decode("utf-8")
# Parse string to JSON
data = json.loads(body_str) if body_str else {}
# Example: Add a new key-value pair or modify existing ones
# data["modified"] = True # Example modification
if "docs" in data:
docs = data["docs"]
print(docs)
last_user_message_idx = None
for i in range(len(data["messages"]) - 1, -1, -1):
if data["messages"][i]["role"] == "user":
last_user_message_idx = i
break
user_message = data["messages"][last_user_message_idx]
if isinstance(user_message["content"], list):
# Handle list content input
content_type = "list"
query = ""
for content_item in user_message["content"]:
if content_item["type"] == "text":
query = content_item["text"]
break
elif isinstance(user_message["content"], str):
# Handle text content input
content_type = "text"
query = user_message["content"]
else:
# Fallback in case the input does not match expected types
content_type = None
query = ""
relevant_contexts = []
for doc in docs:
context = None
try:
if doc["type"] == "collection":
context = query_collection(
collection_names=doc["collection_names"],
query=query,
k=rag_app.state.TOP_K,
embedding_function=rag_app.state.sentence_transformer_ef,
)
else:
context = query_doc(
collection_name=doc["collection_name"],
query=query,
k=rag_app.state.TOP_K,
embedding_function=rag_app.state.sentence_transformer_ef,
)
except Exception as e:
print(e)
context = None
relevant_contexts.append(context)
context_string = ""
for context in relevant_contexts:
if context:
context_string += " ".join(context["documents"][0]) + "\n"
ra_content = rag_template(
template=rag_app.state.RAG_TEMPLATE,
context=context_string,
query=query,
)
if content_type == "list":
new_content = []
for content_item in user_message["content"]:
if content_item["type"] == "text":
# Update the text item's content with ra_content
new_content.append({"type": "text", "text": ra_content})
else:
# Keep other types of content as they are
new_content.append(content_item)
new_user_message = {**user_message, "content": new_content}
else:
new_user_message = {
**user_message,
"content": ra_content,
}
data["messages"][last_user_message_idx] = new_user_message
del data["docs"]
modified_body_bytes = json.dumps(data).encode("utf-8")
# Create a new request with the modified body
scope = request.scope
scope["body"] = modified_body_bytes
request = Request(scope, receive=lambda: self._receive(modified_body_bytes))
response = await call_next(request)
return response
async def _receive(self, body: bytes):
return {"type": "http.request", "body": body, "more_body": False}
app.add_middleware(RAGMiddleware)
@app.middleware("http") @app.middleware("http")
async def check_url(request: Request, call_next): async def check_url(request: Request, call_next):
start_time = int(time.time()) start_time = int(time.time())
......
src/lib/apis/rag/index.ts
View file @ d9911451
...@@ -252,7 +252,7 @@ export const queryCollection = async ( ...@@ -252,7 +252,7 @@ export const queryCollection = async (
token: string, token: string,
collection_names: string, collection_names: string,
query: string, query: string,
k: number k: number | null = null
) => { ) => {
let error = null; let error = null;
......
src/routes/(app)/+page.svelte
View file @ d9911451
...@@ -232,53 +232,6 @@ ...@@ -232,53 +232,6 @@
const sendPrompt = async (prompt, parentId) => { const sendPrompt = async (prompt, parentId) => {
const _chatId = JSON.parse(JSON.stringify($chatId)); const _chatId = JSON.parse(JSON.stringify($chatId));
const docs = messages
.filter((message) => message?.files ?? null)
.map((message) =>
message.files.filter((item) => item.type === 'doc' || item.type === 'collection')
)
.flat(1);
console.log(docs);
if (docs.length > 0) {
processing = 'Reading';
const query = history.messages[parentId].content;
let relevantContexts = await Promise.all(
docs.map(async (doc) => {
if (doc.type === 'collection') {
return await queryCollection(localStorage.token, doc.collection_names, query).catch(
(error) => {
console.log(error);
return null;
}
);
} else {
return await queryDoc(localStorage.token, doc.collection_name, query).catch((error) => {
console.log(error);
return null;
});
}
})
);
relevantContexts = relevantContexts.filter((context) => context);
const contextString = relevantContexts.reduce((a, context, i, arr) => {
return `${a}${context.documents.join(' ')}\n`;
}, '');
console.log(contextString);
history.messages[parentId].raContent = await RAGTemplate(
localStorage.token,
contextString,
query
);
history.messages[parentId].contexts = relevantContexts;
await tick();
processing = '';
}
await Promise.all( await Promise.all(
selectedModels.map(async (modelId) => { selectedModels.map(async (modelId) => {
const model = $models.filter((m) => m.id === modelId).at(0); const model = $models.filter((m) => m.id === modelId).at(0);
...@@ -342,15 +295,25 @@ ...@@ -342,15 +295,25 @@
...messages ...messages
] ]
.filter((message) => message) .filter((message) => message)
.map((message, idx, arr) => ({ .map((message, idx, arr) => {
role: message.role, // Prepare the base message object
content: arr.length - 2 !== idx ? message.content : message?.raContent ?? message.content, const baseMessage = {
...(message.files && { role: message.role,
images: message.files content: arr.length - 2 !== idx ? message.content : message?.raContent ?? message.content
.filter((file) => file.type === 'image') };
.map((file) => file.url.slice(file.url.indexOf(',') + 1))
}) // Extract and format image URLs if any exist
})); const imageUrls = message.files
?.filter((file) => file.type === 'image')
.map((file) => file.url.slice(file.url.indexOf(',') + 1));
// Add images array only if it contains elements
if (imageUrls && imageUrls.length > 0) {
baseMessage.images = imageUrls;
}
return baseMessage;
});
let lastImageIndex = -1; let lastImageIndex = -1;
...@@ -368,6 +331,13 @@ ...@@ -368,6 +331,13 @@
} }
}); });
const docs = messages
.filter((message) => message?.files ?? null)
.map((message) =>
message.files.filter((item) => item.type === 'doc' || item.type === 'collection')
)
.flat(1);
const [res, controller] = await generateChatCompletion(localStorage.token, { const [res, controller] = await generateChatCompletion(localStorage.token, {
model: model, model: model,
messages: messagesBody, messages: messagesBody,
...@@ -375,7 +345,8 @@ ...@@ -375,7 +345,8 @@
...($settings.options ?? {}) ...($settings.options ?? {})
}, },
format: $settings.requestFormat ?? undefined, format: $settings.requestFormat ?? undefined,
keep_alive: $settings.keepAlive ?? undefined keep_alive: $settings.keepAlive ?? undefined,
docs: docs.length > 0 ? docs : undefined
}); });
if (res && res.ok) { if (res && res.ok) {
...@@ -535,6 +506,15 @@ ...@@ -535,6 +506,15 @@
const responseMessage = history.messages[responseMessageId]; const responseMessage = history.messages[responseMessageId];
scrollToBottom(); scrollToBottom();
const docs = messages
.filter((message) => message?.files ?? null)
.map((message) =>
message.files.filter((item) => item.type === 'doc' || item.type === 'collection')
)
.flat(1);
console.log(docs);
const res = await generateOpenAIChatCompletion( const res = await generateOpenAIChatCompletion(
localStorage.token, localStorage.token,
{ {
...@@ -583,7 +563,8 @@ ...@@ -583,7 +563,8 @@
top_p: $settings?.options?.top_p ?? undefined, top_p: $settings?.options?.top_p ?? undefined,
num_ctx: $settings?.options?.num_ctx ?? undefined, num_ctx: $settings?.options?.num_ctx ?? undefined,
frequency_penalty: $settings?.options?.repeat_penalty ?? undefined, frequency_penalty: $settings?.options?.repeat_penalty ?? undefined,
max_tokens: $settings?.options?.num_predict ?? undefined max_tokens: $settings?.options?.num_predict ?? undefined,
docs: docs.length > 0 ? docs : undefined
}, },
model.source === 'litellm' ? `${LITELLM_API_BASE_URL}/v1` : `${OPENAI_API_BASE_URL}` model.source === 'litellm' ? `${LITELLM_API_BASE_URL}/v1` : `${OPENAI_API_BASE_URL}`
); );
......
src/routes/(app)/c/[id]/+page.svelte
View file @ d9911451
...@@ -245,53 +245,6 @@ ...@@ -245,53 +245,6 @@
const sendPrompt = async (prompt, parentId) => { const sendPrompt = async (prompt, parentId) => {
const _chatId = JSON.parse(JSON.stringify($chatId)); const _chatId = JSON.parse(JSON.stringify($chatId));
const docs = messages
.filter((message) => message?.files ?? null)
.map((message) =>
message.files.filter((item) => item.type === 'doc' || item.type === 'collection')
)
.flat(1);
console.log(docs);
if (docs.length > 0) {
processing = 'Reading';
const query = history.messages[parentId].content;
let relevantContexts = await Promise.all(
docs.map(async (doc) => {
if (doc.type === 'collection') {
return await queryCollection(localStorage.token, doc.collection_names, query).catch(
(error) => {
console.log(error);
return null;
}
);
} else {
return await queryDoc(localStorage.token, doc.collection_name, query).catch((error) => {
console.log(error);
return null;
});
}
})
);
relevantContexts = relevantContexts.filter((context) => context);
const contextString = relevantContexts.reduce((a, context, i, arr) => {
return `${a}${context.documents.join(' ')}\n`;
}, '');
console.log(contextString);
history.messages[parentId].raContent = await RAGTemplate(
localStorage.token,
contextString,
query
);
history.messages[parentId].contexts = relevantContexts;
await tick();
processing = '';
}
await Promise.all( await Promise.all(
selectedModels.map(async (modelId) => { selectedModels.map(async (modelId) => {
const model = $models.filter((m) => m.id === modelId).at(0); const model = $models.filter((m) => m.id === modelId).at(0);
...@@ -355,15 +308,25 @@ ...@@ -355,15 +308,25 @@
...messages ...messages
] ]
.filter((message) => message) .filter((message) => message)
.map((message, idx, arr) => ({ .map((message, idx, arr) => {
role: message.role, // Prepare the base message object
content: arr.length - 2 !== idx ? message.content : message?.raContent ?? message.content, const baseMessage = {
...(message.files && { role: message.role,
images: message.files content: arr.length - 2 !== idx ? message.content : message?.raContent ?? message.content
.filter((file) => file.type === 'image') };
.map((file) => file.url.slice(file.url.indexOf(',') + 1))
}) // Extract and format image URLs if any exist
})); const imageUrls = message.files
?.filter((file) => file.type === 'image')
.map((file) => file.url.slice(file.url.indexOf(',') + 1));
// Add images array only if it contains elements
if (imageUrls && imageUrls.length > 0) {
baseMessage.images = imageUrls;
}
return baseMessage;
});
let lastImageIndex = -1; let lastImageIndex = -1;
...@@ -381,6 +344,13 @@ ...@@ -381,6 +344,13 @@
} }
}); });
const docs = messages
.filter((message) => message?.files ?? null)
.map((message) =>
message.files.filter((item) => item.type === 'doc' || item.type === 'collection')
)
.flat(1);
const [res, controller] = await generateChatCompletion(localStorage.token, { const [res, controller] = await generateChatCompletion(localStorage.token, {
model: model, model: model,
messages: messagesBody, messages: messagesBody,
...@@ -388,7 +358,8 @@ ...@@ -388,7 +358,8 @@
...($settings.options ?? {}) ...($settings.options ?? {})
}, },
format: $settings.requestFormat ?? undefined, format: $settings.requestFormat ?? undefined,
keep_alive: $settings.keepAlive ?? undefined keep_alive: $settings.keepAlive ?? undefined,
docs: docs.length > 0 ? docs : undefined
}); });
if (res && res.ok) { if (res && res.ok) {
...@@ -548,6 +519,15 @@ ...@@ -548,6 +519,15 @@
const responseMessage = history.messages[responseMessageId]; const responseMessage = history.messages[responseMessageId];
scrollToBottom(); scrollToBottom();
const docs = messages
.filter((message) => message?.files ?? null)
.map((message) =>
message.files.filter((item) => item.type === 'doc' || item.type === 'collection')
)
.flat(1);
console.log(docs);
const res = await generateOpenAIChatCompletion( const res = await generateOpenAIChatCompletion(
localStorage.token, localStorage.token,
{ {
...@@ -596,7 +576,8 @@ ...@@ -596,7 +576,8 @@
top_p: $settings?.options?.top_p ?? undefined, top_p: $settings?.options?.top_p ?? undefined,
num_ctx: $settings?.options?.num_ctx ?? undefined, num_ctx: $settings?.options?.num_ctx ?? undefined,
frequency_penalty: $settings?.options?.repeat_penalty ?? undefined, frequency_penalty: $settings?.options?.repeat_penalty ?? undefined,
max_tokens: $settings?.options?.num_predict ?? undefined max_tokens: $settings?.options?.num_predict ?? undefined,
docs: docs.length > 0 ? docs : undefined
}, },
model.source === 'litellm' ? `${LITELLM_API_BASE_URL}/v1` : `${OPENAI_API_BASE_URL}` model.source === 'litellm' ? `${LITELLM_API_BASE_URL}/v1` : `${OPENAI_API_BASE_URL}`
); );
...@@ -710,6 +691,7 @@ ...@@ -710,6 +691,7 @@
await setChatTitle(_chatId, userPrompt); await setChatTitle(_chatId, userPrompt);
} }
}; };
const stopResponse = () => { const stopResponse = () => {
stopResponseFlag = true; stopResponseFlag = true;
console.log('stopResponse'); console.log('stopResponse');
......
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