mirror of
https://github.com/wassname/stampy-chat.git
synced 2026-09-11 12:50:34 +08:00
cite claims
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+43
-35
@@ -17,7 +17,7 @@ class handler(BaseHTTPRequestHandler):
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self.wfile.write(chat(data['query'], data['history']).encode('utf-8'))
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# --------------------------------- chat stuff ---------------------------------
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# ------------------------------- env, constants -------------------------------
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from api.get_blocks import get_top_k_blocks, Block
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@@ -41,63 +41,71 @@ TRUNCATE_CONTEXT = 2000
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OPENAI_API_KEY = os.environ.get('OPENAI_API_KEY')
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openai.api_key = OPENAI_API_KEY
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# --------------------------------- prompt code --------------------------------
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def limit_tokens(text: str, max_tokens: int, encoding_name: str = "cl100k_base") -> str:
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encoding = tiktoken.get_encoding(encoding_name)
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tokens = encoding.encode(text)[:max_tokens]
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return encoding.decode(tokens)
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def generate_prompt(query: str, history: List[Dict[str, str]] = [], blocks: List[Block] = [], mode: str = "standard") -> List[Dict[str, str]]:
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"""
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This function generates a prompt in messages format for the OpenAI ChatCompletions API.
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First, it picks a system description using the mode.
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Second, it adds the previous dialogue to the prompt.
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Third, it adds an instruction to the prompt based on the mode.
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Fourth, it adds the context from the top-k most relevant blocks from the Alignment Research Dataset to the prompt.
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Fifth, it adds the user query to the prompt.
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Messages take the following format:
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messages=[
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{"role": "system", "content": "You are a helpful assistant."},
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{"role": "user", "content": "Who won the world series in 2020?"},
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{"role": "assistant", "content": "The Los Angeles Dodgers won the World Series in 2020."},
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{"role": "user", "content": "Where was it played?"}
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]
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def construct_prompt(query: str, history: List[Dict[str, str]], context: List[Block]) -> List[Dict[str, str]]:
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"""
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Args:
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query (str): The user query.
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history (List[Dict[str, str]]): The previous dialogue. Defaults to [].
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blocks (List[Block]): The top-k most relevant blocks from the Alignment Research Dataset. Defaults to [].
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mode (str): The mode of the assistant. Can be "standard", etc. Defaults to "standard".
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Returns:
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List[Dict[str, str]]: The prompt in messages format.
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History takes the format: history=[
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{"role": "system", "content": "You are a helpful assistant."},
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{"role": "user", "content": "Who won the world series in 2020?"},
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{"role": "assistant", "content": "The Los Angeles Dodgers won the World Series in 2020."},
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{"role": "user", "content": "Where was it played?"}
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{"role": "assistant", "content": "Los Angeles, California."}
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]
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Returns: List[Dict[str, str]]: The prompt in messages format.
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"""
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# Initialize prompt with system description
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prompt = [{"role": "system", "content": "You are a helpful assistant knowledgeable about AI Alignment and Safety."}]
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# Add previous dialogue
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prompt.extend(history)
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prompt.extend(history) # Add previous dialogue
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instruction_prompt = "Please answer my question (after the Q:) using the provided context."
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instruction_prompt = "Please give a clear and coherent answer to my question (written after \"Q:\") using the following sources:"
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prompt.append({"role": "user", "content": instruction_prompt})
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# Add context from top-k blocks
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context_prompt = "Context:\n\n"
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for i, block in enumerate(blocks):
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context_prompt += f"[{i}] {block.text}\n\n"
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context_prompt = context_prompt[:-2]
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try:
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context_prompt = limit_tokens(context_prompt, TRUNCATE_CONTEXT)
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except: # If the tokenizer does not work, just truncate the context prompt to 8000 characters
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context_prompt = context_prompt[:TRUNCATE_CONTEXT*4]
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context_prompt = ""
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for i, block in enumerate(context):
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context_prompt += f"[{chr(ord('a') + i)}] {block.title} - {block.author} - {block.date}\n\n{block.text}\n\n"
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context_prompt = context_prompt[:-2] # trim last two newlines
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context_prompt = limit_tokens(context_prompt, TRUNCATE_CONTEXT) # truncate to about 2k tokens
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prompt.append({"role": "user", "content": f"{context_prompt}"})
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# Add user query
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prompt.append({"role": "user", "content": f"Q: {query}"})
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question_prompt = "In your answer, please cite any claims you make back to each source using the format: [a], [b], etc."
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question_prompt += "\n\nQ: " + query
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prompt.append({"role": "user", "content": question_prompt})
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return prompt
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# ------------------------------------------------------------------------------
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def normal_completion(prompt: List[Dict[str, str]]) -> str:
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"""
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@@ -121,7 +129,7 @@ def normal_completion(prompt: List[Dict[str, str]]) -> str:
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print(e)
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return "I'm sorry, I failed to process your query. Please try again. If the problem persists, please contact the administrator."
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def chat(query: str, history: List[Dict[str, str]] = [], k: str = 10, mode: str = "standard", HyDE: bool = False) -> str:
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def chat(query: str, history: List[Dict[str, str]] = [], k: str = 10, HyDE: bool = False) -> str:
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"""
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This function uses the OpenAI ChatCompletions API to answer a user query.
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It first checks if the query is offensive, and if so, raises an exception.
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@@ -151,7 +159,7 @@ def chat(query: str, history: List[Dict[str, str]] = [], k: str = 10, mode: str
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top_k_blocks: List[Block] = get_top_k_blocks(query, k, HyDE)
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# 3. Generate a prompt for the ChatCompletions API
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prompt: List[Dict[str, str]] = generate_prompt(query, history, top_k_blocks, mode)
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prompt: List[Dict[str, str]] = construct_prompt(query, history, top_k_blocks)
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# 4. Use the top-k most relevant blocks as context for the ChatCompletions API, and generate an answer to the user query
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completion: str = normal_completion(prompt)
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@@ -26,7 +26,6 @@ const ShowEntry: React.FC<{entry: Entry}> = ({entry}) => {
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const Home: NextPage = () => {
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const [ entries, setEntries ] = useState<Entry[]>([]);
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const [ query, setQuery ] = useState("");
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const [ loading, setLoading ] = useState(false);
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@@ -126,7 +125,6 @@ const Home: NextPage = () => {
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</button>
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</form>
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}
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</main>
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</>
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);
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@@ -83,7 +83,7 @@ const SearchBox: React.FC = () => {
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return (
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<>
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<form className="flex mb-2" onSubmit={async (e) => { // store in a form so that <enter> submits
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<form className="flex mb-2" onSubmit={async (e) => {
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e.preventDefault();
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setResults(await semantic_search(query));
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}}>
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