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Update embedder.py
Browse files- embedder.py +41 -40
embedder.py
CHANGED
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@@ -1,40 +1,41 @@
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from sentence_transformers import SentenceTransformer
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import faiss
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import numpy as np
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class VectorStore:
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def __init__(self):
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self.index = None
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self.chunks = []
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self.model = None # lazy load
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def load_model(self):
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if self.model is None:
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print("Loading model...")
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self.model = SentenceTransformer("all-MiniLM-L6-v2")
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def create_index(self, chunks):
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self.load_model()
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self.chunks = chunks
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embeddings = self.model.encode(chunks)
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if len(embeddings.shape) == 1:
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embeddings = np.array([embeddings])
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else:
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embeddings = np.array(embeddings)
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dim = embeddings.shape[1]
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self.index = faiss.IndexFlatL2(dim)
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self.index.add(embeddings)
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def retrieve(self, query, k=3):
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self.load_model()
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query_embedding = self.model.encode([query])
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if len(query_embedding.shape) == 1:
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query_embedding = np.array([query_embedding])
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distances, indices = self.index.search(query_embedding, k)
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return [self.chunks[i] for i in indices[0]]
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from sentence_transformers import SentenceTransformer
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import faiss
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import numpy as np
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class VectorStore:
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def __init__(self):
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self.index = None
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self.chunks = []
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self.model = None # lazy load
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def load_model(self):
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if self.model is None:
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print("Loading model...")
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self.model = SentenceTransformer("all-MiniLM-L6-v2")
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def create_index(self, chunks):
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self.load_model()
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self.chunks = chunks
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embeddings = self.model.encode(chunks)
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if len(embeddings.shape) == 1:
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embeddings = np.array([embeddings])
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else:
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embeddings = np.array(embeddings)
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dim = embeddings.shape[1]
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self.index = faiss.IndexFlatL2(dim)
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self.index.add(embeddings)
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def retrieve(self, query, k=3):
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self.load_model()
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query_embedding = self.model.encode([query])
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if len(query_embedding.shape) == 1:
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query_embedding = np.array([query_embedding])
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distances, indices = self.index.search(query_embedding, k)
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return [self.chunks[i] for i in indices[0]]
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