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from flask import Flask, request, jsonify
import os, tempfile, requests
from pdf_extract_kit.utils.config_loader import load_config, initialize_tasks_and_models
app = Flask(__name__)
config = load_config("configs/layout_detection.yaml")
tasks = initialize_tasks_and_models(config)
layout_task = tasks["layout_detection"]
@app.route("/extract")
def extract():
pdf_url = request.args.get("pdf_url")
if not pdf_url:
return jsonify({"error": "Missing pdf_url"}), 400
try:
with tempfile.NamedTemporaryFile(delete=False, suffix=".pdf") as tmp_file:
r = requests.get(pdf_url)
tmp_file.write(r.content)
tmp_pdf_path = tmp_file.name
output_dir = "/tmp/layout_result"
os.makedirs(output_dir, exist_ok=True)
layout_task.predict_pdfs(tmp_pdf_path, output_dir)
results = []
for fname in os.listdir(output_dir):
if fname.endswith(".png"):
results.append({
"caption": f"Figure extracted from {fname}",
"url": f"/files/{fname}"
})
return jsonify(results)
except Exception as e:
return jsonify({"error": str(e)}), 500
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