500 lines
22 KiB
Python
500 lines
22 KiB
Python
"""app.py — Точка входа и сборка слоёв."""
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from dotenv import load_dotenv
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from flask import Flask, render_template, request, redirect, url_for, Response, jsonify
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import json
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import schema
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import db
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import parser as parser_mod
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import textify
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import extractor
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import differ
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import mimeutil
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from test_routes import test_bp
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from upload import upload_bp
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from api import api_bp
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load_dotenv()
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import time as _time
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def _log(step, detail=""):
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"""Писать отладочный лог в таблицу debug_log."""
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try:
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db.execute("INSERT INTO debug_log (step, detail) VALUES (%s,%s)", (step, str(detail)[:500]))
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except:
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pass # не мешать основному потоку
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def _save_file_to_db(filename, file_bytes, mime, contract_id, conn=None):
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"""Сохранить файл в БД. Если conn передан — использовать его, иначе свои подключения."""
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if conn:
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cur = conn.cursor()
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cur.execute(
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"INSERT INTO documents (filename, mime_type, original_bytes, status) VALUES (%s,%s,%s,'uploaded')",
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(filename, mime, file_bytes),
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)
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cur.execute(
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"SELECT id FROM documents WHERE filename=%s AND status='uploaded' ORDER BY created_at DESC LIMIT 1",
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(filename,),
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)
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row = cur.fetchone()
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doc_id = row[0] if row else None
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if doc_id:
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cur.execute(
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"INSERT INTO supplements (contract_id, document_id, type) VALUES (%s,%s,'initial')",
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(str(contract_id), str(doc_id)),
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)
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conn.commit()
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cur.close()
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return doc_id
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# Без соединения — каждое действие со своим (старый режим)
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db.execute(
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"INSERT INTO documents (filename, mime_type, original_bytes, status) VALUES (%s,%s,%s,'uploaded')",
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(filename, mime, file_bytes),
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)
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doc, _ = db.query_one(
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"SELECT id FROM documents WHERE filename=%s AND status='uploaded' ORDER BY created_at DESC LIMIT 1",
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(filename,),
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)
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doc_id = doc["id"] if doc else None
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if doc_id:
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db.execute(
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"INSERT INTO supplements (contract_id, document_id, type) VALUES (%s,%s,'initial')",
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(str(contract_id), str(doc_id)),
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)
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return doc_id
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class ContractsApp:
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def __init__(self):
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self.app = Flask(__name__)
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schema.ensure_schema()
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self._add_routes()
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def _add_routes(self):
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self.app.add_url_rule("/", "index", self._index, methods=["GET", "POST"])
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self.app.add_url_rule("/parse/<cid>", "parse", self._parse, methods=["GET"])
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self.app.add_url_rule("/chunk", "chunk", self._chunk_upload, methods=["POST"])
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self.app.add_url_rule("/upload", "upload_json", self._upload_json, methods=["POST"])
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self.app.add_url_rule("/health", "health", self._health)
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self.app.register_blueprint(test_bp)
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self.app.register_blueprint(upload_bp)
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self.app.register_blueprint(api_bp)
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def _health(self):
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return "OK", 200, {"Content-Type": "text/plain"}
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# ── Шаг 1: загрузка файлов ──────────────────────────────────
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def _index(self):
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if request.method == "POST":
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return self._upload_files()
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cid = request.args.get("id")
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if cid:
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return self._show_contract(cid)
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return render_template("upload.html")
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def _upload_files(self):
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"""Сохранить файлы. ?cid=X — добавить к существующему договору."""
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files = request.files.getlist("files")
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if not files or not any(f.filename for f in files):
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return jsonify({"error": "Нет файлов"}), 400
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cid = request.args.get("cid")
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if cid:
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contract_id = cid
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else:
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conn, err = db.connect()
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if err:
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return jsonify({"error": f"БД: {err}"}), 500
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cur = conn.cursor()
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cur.execute(
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"INSERT INTO contracts (number, client) VALUES (%s, %s) RETURNING id",
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("б/н " + __import__("datetime").datetime.now().strftime("%Y%m%d-%H%M"), ""),
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)
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contract_id = cur.fetchone()[0]
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conn.commit()
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cur.close()
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db.put_conn(conn)
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for f in files:
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if not f.filename:
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continue
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filename = f.filename
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mime = mimeutil.guess_mime(filename) or f.content_type or "application/octet-stream"
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_save_file_to_db(filename, f.read(), mime, str(contract_id))
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return jsonify({"contract_id": str(contract_id)})
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# ── Загрузка base64 (JSON) ──────────────────────────────────
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def _upload_json(self):
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"""Принять файл как base64. Сохранить строкой (без декодирования — быстро)."""
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_log("upload_entry", "start")
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try:
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data = request.get_json(silent=True)
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_log("upload_json_parsed", f"data={'yes' if data else 'no'} len={len(request.data) if request.data else 0}")
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if not data:
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return jsonify({"error": "Нет JSON"}), 400
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filename = data.get("filename", "")
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b64 = data.get("data", "")
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_log("upload_fields", f"file={filename} b64_len={len(b64) if b64 else 0} cid={data.get('cid')}")
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if not filename or not b64:
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return jsonify({"error": "Нет filename или data"}), 400
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mime = mimeutil.guess_mime(filename) or "application/octet-stream"
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cid = data.get("cid")
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conn, err = db.connect()
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_log("upload_connect", f"err={err}")
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if err:
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return jsonify({"error": f"БД: {err}"}), 500
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try:
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cur = conn.cursor()
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if cid:
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contract_id = cid
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_log("upload_contract", f"reuse cid={cid}")
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else:
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cur.execute(
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"INSERT INTO contracts (number, client) VALUES (%s, %s) RETURNING id",
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("б/н " + __import__("datetime").datetime.now().strftime("%Y%m%d-%H%M"), ""),
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)
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contract_id = cur.fetchone()[0]
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_log("upload_contract", f"new cid={contract_id}")
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cur.execute(
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"INSERT INTO documents (filename, mime_type, original_b64, status) VALUES (%s,%s,%s,'uploaded')",
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(filename, mime, b64),
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)
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_log("upload_doc_insert", "ok")
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cur.execute("SELECT id FROM documents WHERE filename=%s AND status='uploaded' ORDER BY created_at DESC LIMIT 1", (filename,))
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row = cur.fetchone()
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doc_id = row[0] if row else None
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_log("upload_doc_select", f"doc_id={doc_id}")
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if doc_id:
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cur.execute(
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"INSERT INTO supplements (contract_id, document_id, type) VALUES (%s,%s,'initial')",
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(str(contract_id), str(doc_id)),
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)
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_log("upload_suppl", "ok")
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conn.commit()
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_log("upload_commit", "ok")
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cur.close()
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except Exception as e:
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_log("upload_error", str(e))
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try: conn.rollback()
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except: pass
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raise e
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finally:
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db.put_conn(conn)
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_log("upload_putconn", "ok")
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_log("upload_done", f"cid={contract_id} doc={doc_id}")
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return jsonify({"contract_id": str(contract_id), "doc_id": str(doc_id) if doc_id else None})
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except Exception as e:
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_log("upload_outer_error", str(e))
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return jsonify({"error": f"Крах: {e}"}), 500
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# ── Чанковая загрузка ──────────────────────────────────────
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def _chunk_upload(self):
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"""Принять чанк. Хранить в БД. На последнем — собрать и сохранить."""
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upload_id = request.form.get("upload_id", "")
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filename = request.form.get("filename", "")
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chunk_index = int(request.form.get("chunk_index", 0))
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total_chunks = int(request.form.get("total_chunks", 1))
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cid = request.form.get("cid") or None
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chunk_file = request.files.get("chunk")
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if not chunk_file:
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return jsonify({"error": "Нет чанка"}), 400
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chunk_data = chunk_file.read()
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mime = mimeutil.guess_mime(filename) or "application/octet-stream"
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_log("chunk_start", f"{filename} idx={chunk_index}/{total_chunks} size={len(chunk_data)} cid={cid}")
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# Сохранить чанк в БД (ON CONFLICT — идемпотентно)
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rc, err = db.execute(
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"INSERT INTO chunks (upload_id, chunk_index, chunk_data, filename, mime, total_chunks, cid) "
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"VALUES (%s,%s,%s,%s,%s,%s,%s) ON CONFLICT (upload_id, chunk_index) DO NOTHING",
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(upload_id, chunk_index, chunk_data, filename, mime, total_chunks, cid),
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)
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_log("chunk_insert", f"idx={chunk_index} rc={rc} err={err}")
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# Сколько уже получено
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count_res, cerr = db.query(
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"SELECT COUNT(*) FROM chunks WHERE upload_id=%s", (upload_id,)
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)
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received = count_res["rows"][0][0] if count_res else 0
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_log("chunk_count", f"received={received}/{total_chunks} err={cerr}")
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if received == total_chunks:
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_log("assembly_start", f"{filename} {total_chunks} chunks, {sum(len(c) if c else 0 for c in [chunk_data])}b this chunk")
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try:
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conn, err = db.connect()
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_log("assembly_connect", f"err={err}")
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if err:
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return jsonify({"error": f"БД: {err}"}), 500
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cur = conn.cursor()
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cur.execute(
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"SELECT chunk_data FROM chunks WHERE upload_id=%s ORDER BY chunk_index",
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(upload_id,),
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)
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all_chunks = cur.fetchall()
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_log("assembly_select", f"{len(all_chunks)} rows")
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file_bytes = b"".join(r[0] for r in all_chunks)
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_log("assembly_joined", f"{len(file_bytes)} bytes")
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cur.execute(
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"SELECT filename, mime, cid FROM chunks WHERE upload_id=%s LIMIT 1",
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(upload_id,),
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)
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meta = cur.fetchone()
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fname = meta[0] if meta else filename
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fmime = meta[1] if meta else mime
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fcid = meta[2] if meta else cid
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_log("assembly_meta", f"fname={fname} mime={fmime} cid={fcid}")
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if fcid:
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contract_id = fcid
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else:
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cur.execute(
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"INSERT INTO contracts (number, client) VALUES (%s, %s) RETURNING id",
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("б/н " + __import__("datetime").datetime.now().strftime("%Y%m%d-%H%M"), ""),
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)
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contract_id = cur.fetchone()[0]
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_log("assembly_contract", f"new cid={contract_id}")
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conn.commit()
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_log("assembly_commit", "ok")
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doc_id = _save_file_to_db(fname, file_bytes, fmime, str(contract_id), conn=conn)
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_log("save_file", f"doc_id={doc_id}")
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if not doc_id:
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conn.rollback()
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cur.close()
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db.put_conn(conn)
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return jsonify({"error": "Не удалось сохранить файл в БД"}), 500
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cur.close()
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db.put_conn(conn)
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_log("assembly_done", f"cid={contract_id}")
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except Exception as e:
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_log("assembly_error", str(e))
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try: conn.rollback()
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except: pass
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try: cur.close()
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except: pass
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try: db.put_conn(conn)
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except: pass
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return jsonify({"error": f"Сборка: {e}"}), 500
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finally:
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db.execute("DELETE FROM chunks WHERE upload_id=%s", (upload_id,))
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_log("chunks_cleanup", f"upload_id={upload_id}")
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return jsonify({"contract_id": str(contract_id)})
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_log("chunk_ok", f"idx={chunk_index} received={received}/{total_chunks}")
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return jsonify({"chunk": chunk_index, "received": received, "total": total_chunks})
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def _show_contract(self, cid):
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"""Показать договор с кнопкой «Обработать»."""
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contract, _ = db.query_one("SELECT id,number,created_at FROM contracts WHERE id=%s", (cid,))
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if not contract:
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return render_template("upload.html", error="Договор не найден")
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supps, _ = db.query(
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"SELECT s.id, s.created_at, d.filename, d.status, d.parsed_text IS NOT NULL as has_text "
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"FROM supplements s JOIN documents d ON s.document_id=d.id "
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"WHERE s.contract_id=%s ORDER BY s.created_at",
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(cid,),
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)
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supp_list = [dict(zip(supps["columns"], r)) for r in supps["rows"]] if supps else []
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# Есть ли уже результаты?
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rows_res, _ = db.query(
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"SELECT sr.row_num,sr.name,sr.price,sr.qty,sr.sum,sr.date_start "
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"FROM spec_rows sr JOIN supplements s ON sr.supplement_id=s.id "
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"WHERE s.contract_id=%s ORDER BY sr.row_num",
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(cid,),
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)
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all_rows = [dict(zip(rows_res["columns"], r)) for r in rows_res["rows"]] if rows_res else []
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# Есть необработанные допники?
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unprocessed = [s for s in supp_list if s["status"] in ("uploaded", "parsed")]
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return render_template("upload.html",
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contract=contract, supplements=supp_list,
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all_rows=all_rows, unprocessed=unprocessed)
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# ── Шаг 2: Парсинг (SSE) ────────────────────────────────────
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def _parse(self, cid):
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"""SSE-поток: парсинг файлов договора (без LLM)."""
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import time as time_mod
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def generate():
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start_time = time_mod.time()
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total_bytes = 0
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files_processed = 0
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supps, _ = db.query(
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"SELECT s.id, d.id as doc_id, d.filename, d.mime_type, "
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"LENGTH(d.original_bytes) as file_size "
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"FROM supplements s JOIN documents d ON s.document_id=d.id "
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"WHERE s.contract_id=%s",
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(cid,),
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)
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if not supps:
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yield f"data: {json.dumps({'type': 'error', 'message': 'Нет файлов'})}\n\n"
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return
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supp_rows = [dict(zip(supps["columns"], r)) for r in supps["rows"]]
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def _file_done(name, elapsed, elements, errors, text):
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paragraphs = sum(1 for e in elements if e.get("type") == "paragraph")
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tables = sum(1 for e in elements if e.get("type") == "table")
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table_rows = sum(len(e.get("rows", [])) for e in elements if e.get("type") == "table")
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table_headers = [
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e["rows"][0] if e.get("rows") else []
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for e in elements if e.get("type") == "table"
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]
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return {
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"type": "file_done",
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"name": name,
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"time_s": elapsed,
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"elements": len(elements),
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"paragraphs": paragraphs,
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"tables": tables,
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"table_rows": table_rows,
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"table_headers": table_headers,
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"errors": errors,
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"text_len": len(text) if text else 0,
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"text_preview": text[:200] if text else "",
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}
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for s in supp_rows:
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# Пропустить уже распарсенные
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existing, _ = db.query(
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"SELECT 1 FROM documents WHERE id=%s AND status IN ('parsed','expanded')", (s["doc_id"],)
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)
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if existing and existing["rows"]:
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continue
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file_start = time_mod.time()
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file_bytes = s.get("file_size", 0) or 0
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total_bytes += file_bytes
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yield f"data: {json.dumps({'type': 'file_start', 'name': s['filename'], 'bytes': file_bytes})}\n\n"
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# Получить байты: сначала original_bytes, иначе original_b64
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doc, _ = db.query_one("SELECT original_bytes, original_b64 FROM documents WHERE id=%s", (s["doc_id"],))
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raw = doc.get("original_bytes") if doc else None
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b64 = doc.get("original_b64") if doc else None
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if raw:
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file_data = bytes(raw) if isinstance(raw, memoryview) else raw
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elif b64:
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import base64 as b64mod
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file_data = b64mod.b64decode(b64)
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else:
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yield f"data: {json.dumps({'type': 'file_error', 'name': s['filename'], 'error': 'Нет данных'})}\n\n"
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continue
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# Парсинг: ZIP — распаковать и парсить каждый файл отдельно
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if s["mime_type"] == "application/zip":
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import io as io_mod, zipfile as zf_mod
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zip_names = []
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try:
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with zf_mod.ZipFile(io_mod.BytesIO(file_data)) as zf:
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for zname in zf.namelist():
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if zname.endswith("/"):
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continue
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zdata = zf.read(zname)
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zmime = mimeutil.guess_mime(zname) or "application/octet-stream"
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# Только PDF и Word
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if zmime not in (
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"application/pdf",
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"application/vnd.openxmlformats-officedocument.wordprocessingml.document",
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"application/msword",
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):
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continue
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zip_names.append(zname)
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# Сохранить как отдельный документ
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db.execute(
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"INSERT INTO documents (filename, mime_type, original_bytes, status) VALUES (%s,%s,%s,'uploaded')",
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(zname, zmime, zdata),
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)
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zdoc, _ = db.query_one(
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"SELECT id FROM documents WHERE filename=%s ORDER BY created_at DESC LIMIT 1",
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(zname,),
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)
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zdoc_id = zdoc["id"] if zdoc else None
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if zdoc_id:
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db.execute(
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"INSERT INTO supplements (contract_id, document_id, type) VALUES (%s,%s,'initial')",
|
||
(cid, str(zdoc_id)),
|
||
)
|
||
|
||
# Парсинг внутреннего файла
|
||
zf_start = time_mod.time()
|
||
total_bytes += len(zdata)
|
||
yield f"data: {json.dumps({'type': 'file_start', 'name': zname, 'bytes': len(zdata)})}\n\n"
|
||
|
||
try:
|
||
zpr = parser_mod.parse(zdata, zmime)
|
||
zelements = zpr.get("elements", [])
|
||
ztext = textify.to_text(zelements) if zelements else ""
|
||
db.execute(
|
||
"UPDATE documents SET parsed_text=%s, elements_json=%s, status='parsed' WHERE id=%s",
|
||
(ztext, json.dumps(zelements, ensure_ascii=False), str(zdoc_id)),
|
||
)
|
||
zelapsed = round(time_mod.time() - zf_start, 2)
|
||
files_processed += 1
|
||
yield f"data: {json.dumps(_file_done(zname, zelapsed, zelements, zpr.get('errors',[]), ztext))}\n\n"
|
||
except Exception as e:
|
||
yield f"data: {json.dumps({'type': 'file_error', 'name': zname, 'error': str(e)})}\n\n"
|
||
|
||
except Exception as e:
|
||
yield f"data: {json.dumps({'type': 'file_error', 'name': s['filename'], 'error': 'ZIP: ' + str(e)})}\n\n"
|
||
|
||
# ZIP сам — expanded
|
||
db.execute("UPDATE documents SET status='expanded' WHERE id=%s", (s["doc_id"],))
|
||
yield f"data: {json.dumps({'type': 'zip_expanded', 'name': s['filename'], 'count': len(zip_names)})}\n\n"
|
||
|
||
else:
|
||
pr = parser_mod.parse(file_data, s["mime_type"])
|
||
elements = pr.get("elements", [])
|
||
text = textify.to_text(elements) if elements else ""
|
||
db.execute(
|
||
"UPDATE documents SET parsed_text=%s, elements_json=%s, status='parsed' WHERE id=%s",
|
||
(text, json.dumps(elements, ensure_ascii=False), str(s["doc_id"])),
|
||
)
|
||
elapsed = round(time_mod.time() - file_start, 2)
|
||
files_processed += 1
|
||
yield f"data: {json.dumps(_file_done(s['filename'], elapsed, elements, pr.get('errors',[]), text))}\n\n"
|
||
|
||
total_time = round(time_mod.time() - start_time, 2)
|
||
yield f"data: {json.dumps({'type': 'summary', 'total_time_s': total_time, 'total_bytes': total_bytes, 'files_processed': files_processed})}\n\n"
|
||
|
||
return Response(generate(), mimetype="text/event-stream")
|
||
|
||
def run(self):
|
||
self.app.run(host="0.0.0.0", port=5000)
|
||
|
||
|
||
if __name__ == "__main__":
|
||
ContractsApp().run()
|