Update main.py
Browse files
main.py
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@@ -4,22 +4,22 @@ except ImportError: # pip < 10.0
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pkgs = freeze.freeze()
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for pkg in pkgs: print(pkg)
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import os
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from fastapi import FastAPI, HTTPException, File, UploadFile
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from fastapi.middleware.cors import CORSMiddleware
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from PyPDF2 import PdfReader
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import google.generativeai as genai
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import json
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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@@ -28,30 +28,108 @@ app.add_middleware(
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allow_headers=["*"],
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return {"data":data}
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pkgs = freeze.freeze()
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for pkg in pkgs: print(pkg)
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import io
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import asyncio
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import time
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import aiohttp
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from PyPDF2 import PdfReader, PdfWriter
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import os
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from pathlib import Path
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from aiohttp import FormData
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from fastapi import FastAPI, File, UploadFile
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from fastapi.responses import JSONResponse
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from fastapi.middleware.cors import CORSMiddleware
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app = FastAPI()
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# Configure CORS
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_headers=["*"],
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)
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async def execute_pdfscraper_async(file_contents: bytes, file_name: str, pages_per_chunk: int):
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split_pdf(file_contents, file_name, pages_per_chunk)
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response_list = []
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async with aiohttp.ClientSession() as session:
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tasks = [
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call_pdfscraper(session, chunk_data, chunk_name)
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for chunk_data, chunk_name in load_chunks(file_name)
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]
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responses = await asyncio.gather(*tasks)
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for response in responses:
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response_list.append(response[0])
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return response_list
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async def call_pdfscraper(session, file_contents, pdf_name):
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headers = {"Origin": "http://localhost:8080"}
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url = "https://us-central1-neuralgap-1.cloudfunctions.net/scraperPDFDocxTables_v3"
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# Create a FormData object
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data = FormData()
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data.add_field(
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"pdf",
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file_contents,
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filename=os.path.basename(pdf_name),
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content_type="application/pdf",
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)
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data.add_field("processTables", "True")
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async with session.post(url, data=data, headers=headers) as resp:
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if resp.status == 200:
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response = await resp.json()
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else:
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print(f"Failed to get response: {resp.status}")
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return {}
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return response, pdf_name
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def collect_pdfscraper_response(scrape_response_list):
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content_list = []
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tables_dict = {}
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table_count = 1
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for response in scrape_response_list:
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content = response["corpus"]
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table_content = response["tables_raw"]
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content_list.append(content)
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try:
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for table_key in table_content.keys():
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tables_dict[str(table_count)] = table_content[table_key]
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table_count += 1
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except AttributeError:
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pass
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content_str = "\n".join(content_list)
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return content_str, tables_dict
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def split_pdf(file_contents, file_name, pages_per_chunk):
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file_bytes = io.BytesIO(file_contents)
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reader = PdfReader(file_bytes)
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total_pages = len(reader.pages)
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output_dir = Path(file_name).parent / "chunks"
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os.makedirs(output_dir, exist_ok=True)
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num_chunks = (total_pages + pages_per_chunk - 1) // pages_per_chunk
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for i in range(num_chunks):
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writer = PdfWriter()
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start_page = i * pages_per_chunk
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end_page = min(start_page + pages_per_chunk, total_pages)
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for page_number in range(start_page, end_page):
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writer.add_page(reader.pages[page_number])
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chunk_file_name = f"{Path(file_name).stem}_{i + 1}.pdf"
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output_path = output_dir / chunk_file_name
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with open(output_path, "wb") as output_pdf:
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writer.write(output_pdf)
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def load_chunks(file_name):
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output_dir = Path(file_name).parent / "chunks"
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chunk_list = os.listdir(output_dir)
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chunk_byte_list = [
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(open(f"{output_dir}/{file}", "rb").read(), file) for file in chunk_list
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]
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return chunk_byte_list
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@app.post("/process-pdf/")
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async def process_pdf(file: UploadFile = File(...), pages_per_chunk: int = 2):
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file_contents = await file.read()
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file_name = file.filename
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start_time = time.time()
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scrape_response_list = await execute_pdfscraper_async(file_contents, file_name, pages_per_chunk)
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content, table_string = collect_pdfscraper_response(scrape_response_list)
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end_time = time.time()
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time_taken = end_time - start_time
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return JSONResponse(content={"content": content, "tables": table_string, "time_taken": time_taken})
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# Start the FastAPI app
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# if __name__ == "__main__":
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# import uvicorn
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# uvicorn.run(app,port=7000,workers=2)
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