mirror of
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73 lines
2.9 KiB
Python
73 lines
2.9 KiB
Python
# from stats import add_usage
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import asyncio
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import os
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import tempfile
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import time
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from typing import Optional
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from fastapi import UploadFile
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from langchain.schema import Document
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from utils.file import compute_sha1_from_content, compute_sha1_from_file
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from utils.vectors import create_summary, create_vector, documents_vector_store
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async def process_file(file: UploadFile, loader_class, file_suffix, enable_summarization, user, user_openai_api_key):
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documents = []
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file_name = file.filename
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file_size = file.file._file.tell() # Getting the size of the file
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dateshort = time.strftime("%Y%m%d")
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# Here, we're writing the uploaded file to a temporary file, so we can use it with your existing code.
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with tempfile.NamedTemporaryFile(delete=False, suffix=file.filename) as tmp_file:
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await file.seek(0)
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content = await file.read()
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tmp_file.write(content)
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tmp_file.flush()
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loader = loader_class(tmp_file.name)
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documents = loader.load()
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# Ensure this function works with FastAPI
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file_sha1 = compute_sha1_from_file(tmp_file.name)
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os.remove(tmp_file.name)
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chunk_size = 250
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chunk_overlap = 0
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text_splitter = RecursiveCharacterTextSplitter.from_tiktoken_encoder(
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chunk_size=chunk_size, chunk_overlap=chunk_overlap)
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documents = text_splitter.split_documents(documents)
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for doc in documents:
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metadata = {
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"file_sha1": file_sha1,
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"file_size": file_size,
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"file_name": file_name,
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"chunk_size": chunk_size,
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"chunk_overlap": chunk_overlap,
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"date": dateshort,
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"summarization": "true" if enable_summarization else "false"
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}
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doc_with_metadata = Document(
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page_content=doc.page_content, metadata=metadata)
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create_vector(user.email, doc_with_metadata, user_openai_api_key)
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# add_usage(stats_db, "embedding", "audio", metadata={"file_name": file_meta_name,"file_type": ".txt", "chunk_size": chunk_size, "chunk_overlap": chunk_overlap})
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if enable_summarization and ids and len(ids) > 0:
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create_summary(ids[0], doc.page_content, metadata)
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return
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async def file_already_exists(supabase, file, user):
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file_content = await file.read()
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file_sha1 = compute_sha1_from_content(file_content)
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response = supabase.table("vectors").select("id").filter("metadata->>file_sha1", "eq", file_sha1) \
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.filter("user_id", "eq", user.email).execute()
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return len(response.data) > 0
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async def file_already_exists_from_content(supabase, file_content, user):
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file_sha1 = compute_sha1_from_content(file_content)
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response = supabase.table("vectors").select("id").filter("metadata->>file_sha1", "eq", file_sha1) \
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.filter("user_id", "eq", user.email).execute()
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return len(response.data) > 0 |