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from typing import Dict, List | |
import importlib | |
import openai | |
import pinecone | |
import re | |
def can_import(module_name): | |
try: | |
importlib.import_module(module_name) | |
return True | |
except ImportError: | |
return False | |
assert ( | |
can_import("pinecone") | |
), "\033[91m\033[1m"+"Pinecone storage requires package pinecone-client.\nInstall: pip install -r extensions/requirements.txt" | |
class PineconeResultsStorage: | |
def __init__(self, openai_api_key: str, pinecone_api_key: str, pinecone_environment: str, llm_model: str, llama_model_path: str, results_store_name: str, objective: str): | |
openai.api_key = openai_api_key | |
pinecone.init(api_key=pinecone_api_key, environment=pinecone_environment) | |
# Pinecone namespaces are only compatible with ascii characters (used in query and upsert) | |
self.namespace = re.sub(re.compile('[^\x00-\x7F]+'), '', objective) | |
self.llm_model = llm_model | |
self.llama_model_path = llama_model_path | |
results_store_name = results_store_name | |
dimension = 1536 if not self.llm_model.startswith("llama") else 5120 | |
metric = "cosine" | |
pod_type = "p1" | |
if results_store_name not in pinecone.list_indexes(): | |
pinecone.create_index( | |
results_store_name, dimension=dimension, metric=metric, pod_type=pod_type | |
) | |
self.index = pinecone.Index(results_store_name) | |
index_stats_response = self.index.describe_index_stats() | |
assert dimension == index_stats_response['dimension'], "Dimension of the index does not match the dimension of the LLM embedding" | |
def add(self, task: Dict, result: str, result_id: int): | |
vector = self.get_embedding( | |
result | |
) | |
self.index.upsert( | |
[(result_id, vector, {"task": task["task_name"], "result": result})], namespace=self.namespace | |
) | |
def query(self, query: str, top_results_num: int) -> List[dict]: | |
query_embedding = self.get_embedding(query) | |
results = self.index.query(query_embedding, top_k=top_results_num, include_metadata=True, namespace=self.namespace) | |
sorted_results = sorted(results.matches, key=lambda x: x.score, reverse=True) | |
return [(str(item.metadata["task"])) for item in sorted_results] | |
# Get embedding for the text | |
def get_embedding(self, text: str) -> list: | |
text = text.replace("\n", " ") | |
if self.llm_model.startswith("llama"): | |
from llama_cpp import Llama | |
llm_embed = Llama( | |
model_path=self.llama_model_path, | |
n_ctx=2048, n_threads=4, | |
embedding=True, use_mlock=True, | |
) | |
return llm_embed.embed(text) | |
return openai.Embedding.create(input=[text], model="text-embedding-ada-002")["data"][0]["embedding"] | |