467 lines
19 KiB
Python
467 lines
19 KiB
Python
#!/usr/bin/env python3
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"""P&ID 파싱 전용 워커 프로세스
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Usage: python pid_worker.py <port>
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담당 도구:
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extract_pid_tags, match_pid_tags,
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parse_pid_dxf, parse_pid_pdf, parse_pid_drawing,
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build_pid_graph_parallel, analyze_pid_impact
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"""
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from __future__ import annotations
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import sys
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import os
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# mcp-server 디렉토리를 Python 경로에 추가 (pipeline 패키지 접근)
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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import io
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import json
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import asyncio
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import signal
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import logging
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import re
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from functools import lru_cache
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from fastapi import FastAPI, Request
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import uvicorn
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# ── 설정 ─────────────────────────────────────────────────────────────────────
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VLLM_BASE_URL = os.environ.get("VLLM_BASE_URL", "http://localhost:8000/v1")
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VLLM_MODEL = os.environ.get("VLLM_MODEL", "Qwen/Qwen3-Coder-Next-FP8")
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DB_CONNECTION_STRING = os.environ.get("DB_CONNECTION_STRING", "postgresql://postgres:postgres@localhost:5432/iiot_platform")
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DB_TIMEOUT = int(os.environ.get("DB_TIMEOUT", "10"))
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_SERVER_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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STORAGE_DIR = os.path.join(_SERVER_DIR, "storage")
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logging.basicConfig(
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level=logging.INFO,
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stream=sys.stderr,
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format="%(asctime)s [pid_worker] %(levelname)s %(message)s",
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)
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app = FastAPI()
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# ── 싱글톤 ───────────────────────────────────────────────────────────────────
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@lru_cache(maxsize=1)
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def _llm():
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from openai import OpenAI
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return OpenAI(base_url=VLLM_BASE_URL, api_key="dummy")
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@lru_cache(maxsize=1)
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def _ocr():
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from paddleocr import PaddleOCR
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use_gpu = os.environ.get("PADDLE_USE_GPU", "true").lower() == "true"
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try:
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return PaddleOCR(use_angle_cls=True, lang="korean", use_gpu=use_gpu, show_log=False)
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except Exception:
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if use_gpu:
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os.environ["PADDLE_USE_GPU"] = "false"
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return _ocr()
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raise
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# ── DB ───────────────────────────────────────────────────────────────────────
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def _get_db_connection():
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import psycopg
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return psycopg.connect(DB_CONNECTION_STRING, connect_timeout=DB_TIMEOUT)
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# ── 텍스트 추출 ──────────────────────────────────────────────────────────────
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def _extract_text_from_dxf(filepath: str) -> str:
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import ezdxf
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from ezdxf.tools.text import plain_mtext
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doc = ezdxf.readfile(filepath)
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msp = doc.modelspace()
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texts = []
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for entity in msp:
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if entity.dxftype() == "TEXT":
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texts.append(entity.dxf.text)
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elif entity.dxftype() == "MTEXT":
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try:
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plain = plain_mtext(entity.dxf.text)
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if plain.strip():
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texts.append(plain)
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except Exception:
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pass
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return "\n".join(texts)
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def _extract_text_from_pdf(filepath: str) -> str:
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import fitz
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doc = fitz.open(filepath)
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return "\n".join(page.get_text() for page in doc)
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def _extract_text_from_pdf_ocr(filepath: str) -> str:
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import fitz
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from PIL import Image
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import numpy as np
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doc = fitz.open(filepath)
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all_texts = []
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for page in doc:
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mat = fitz.Matrix(300 / 72)
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pix = page.get_pixmap(matrix=mat)
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img = Image.open(io.BytesIO(pix.tobytes("png")))
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result = _ocr().ocr(np.array(img), cls=True)
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if result and result[0]:
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all_texts.extend(line[1][0] for line in result[0])
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return "\n".join(all_texts)
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# ── JSON 배열 파싱 유틸 ───────────────────────────────────────────────────────
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def _parse_json_array(raw: str, finish_reason: str = "") -> list:
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"""LLM 출력에서 JSON 배열 추출. finish_reason=length 잘림 복구 포함."""
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if raw.startswith("```"):
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lines = raw.splitlines()
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raw = "\n".join(lines[1:-1] if lines and lines[-1].strip() == "```" else lines[1:]).strip()
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if finish_reason == "length":
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last_close = raw.rfind("}")
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if last_close != -1:
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raw = raw[:last_close + 1] + "]"
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# 가장 긴 균형 잡힌 [...] 추출
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depth = 0; start = -1; best = ""
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for i, c in enumerate(raw):
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if c == "[":
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if depth == 0:
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start = i
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depth += 1
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elif c == "]":
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depth -= 1
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if depth == 0 and start >= 0:
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cand = raw[start:i + 1]
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if len(cand) > len(best):
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best = cand
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raw = best if best else "[]"
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try:
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return json.loads(raw)
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except json.JSONDecodeError:
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data = []
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for obj in re.findall(r"\{[^{}]*\}", raw, re.DOTALL):
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try:
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data.append(json.loads(obj))
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except json.JSONDecodeError:
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pass
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return data
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# ── 태그 추출/매핑 도구 ───────────────────────────────────────────────────────
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def _extract_pid_tags(text: str, source_type: str) -> str:
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system = (
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"You are a P&ID (Piping and Instrumentation Diagram) expert.\n"
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"Extract all instrument and equipment tags from the provided text.\n"
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"Return ONLY a valid JSON array. Each element must have exactly these fields:\n"
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'{"tagNo":"FCV-101","equipmentName":null,"instrumentType":"FCV",'
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'"lineNumber":null,"pidDrawingNo":null,"confidence":0.95}\n'
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"Rules:\n"
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"- tagNo: any token matching [LETTERS]-[DIGITS] or [LETTERS]-[DIGITS]-[SUFFIX]\n"
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" Examples: FCV-101, P-10101, T-10100, VG-6203-15A-F1A-n, BT-6200, DP-10101\n"
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"- instrumentType: leading letters of tagNo\n"
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"- equipmentName: descriptive name if present near tag, else null\n"
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"- lineNumber/pidDrawingNo: null unless explicitly associated\n"
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"- confidence: 0.95 for clear tags, lower for ambiguous\n"
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"- Output ONLY the JSON array, no markdown, no explanation.\n"
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"- If no tags found, return: []\n"
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)
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truncated = text[:100000]
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resp = _llm().chat.completions.create(
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model=VLLM_MODEL,
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messages=[
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{"role": "system", "content": system},
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{"role": "user", "content": f"Source: {source_type}\n\nText:\n{truncated}"},
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],
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max_tokens=32768,
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temperature=0.1,
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extra_body={"chat_template_kwargs": {"enable_thinking": False}},
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)
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raw = (resp.choices[0].message.content or "").strip()
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data = _parse_json_array(raw, resp.choices[0].finish_reason)
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logging.info(f"extract_pid_tags source={source_type} count={len(data)}")
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return json.dumps({"success": True, "count": len(data), "tags": data},
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ensure_ascii=False, indent=2)
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def _match_pid_tags(pid_tags: list, experion_tags: list) -> str:
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system = (
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"You are a P&ID to Experion tag matching expert.\n"
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"Match P&ID tags to Experion tags based on similarity.\n"
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"Return ONLY a JSON array:\n"
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'[{"pidTag":"FT-101","experionTag":"ft-101.pv","confidence":0.92},...]\n'
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"- If no good match: confidence < 0.5, experionTag null\n"
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"- Output ONLY the JSON array.\n"
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)
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resp = _llm().chat.completions.create(
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model=VLLM_MODEL,
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messages=[
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{"role": "system", "content": system},
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{"role": "user", "content": (
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f"P&ID Tags:\n{chr(10).join(pid_tags)}\n\n"
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f"Experion Tags:\n{chr(10).join(experion_tags)}"
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)},
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],
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max_tokens=16384,
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temperature=0.1,
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extra_body={"chat_template_kwargs": {"enable_thinking": False}},
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)
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raw = (resp.choices[0].message.content or "").strip()
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data = _parse_json_array(raw, resp.choices[0].finish_reason)
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return json.dumps({"success": True, "count": len(data), "mappings": data},
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ensure_ascii=False, indent=2)
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# ── 도면 파싱 도구 ────────────────────────────────────────────────────────────
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_TAG_EXTRACT_SYSTEM = (
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"You are a P&ID (Piping and Instrumentation Diagram) expert.\n"
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"Extract instrument and equipment tags from the provided text.\n"
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"Return ONLY a JSON array:\n"
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'[{"tagNo":"FIT-10115","equipmentName":"Flow Transmitter","instrumentType":"FIT",'
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'"lineNumber":"L-101","pidDrawingNo":"P&ID-001","confidence":0.95},...]\n'
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"Rules:\n"
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"- tagNo: Instrument [Function]-[Number], Equipment [Type]-[Number]\n"
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"- instrumentType: first 2-4 letters of tagNo\n"
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"- equipmentName/lineNumber/pidDrawingNo: null if not present\n"
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"- confidence: 0.0 to 1.0\n"
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"- Output ONLY the JSON array, no markdown.\n"
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"- If no tags found, return: []\n"
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)
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def _parse_pid_dxf(filepath: str) -> str:
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text = _extract_text_from_dxf(filepath)
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if not text.strip():
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return json.dumps({"success": True, "text": "", "count": 0, "tags": []},
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ensure_ascii=False, indent=2)
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resp = _llm().chat.completions.create(
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model=VLLM_MODEL,
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messages=[
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{"role": "system", "content": _TAG_EXTRACT_SYSTEM},
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{"role": "user", "content": f"Source: dxf\n\nText:\n{text[:8000]}"},
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],
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max_tokens=8192,
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temperature=0.1,
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)
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raw = (resp.choices[0].message.content or "").strip()
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data = _parse_json_array(raw, resp.choices[0].finish_reason)
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if not isinstance(data, list):
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data = []
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return json.dumps({"success": True, "text": text[:10000], "count": len(data), "tags": data},
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ensure_ascii=False, indent=2)
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def _parse_pid_pdf(filepath: str, use_ocr: bool = True) -> str:
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text = _extract_text_from_pdf_ocr(filepath) if use_ocr else _extract_text_from_pdf(filepath)
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if not text.strip():
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return json.dumps({"success": True, "text": "", "count": 0, "tags": []},
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ensure_ascii=False, indent=2)
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resp = _llm().chat.completions.create(
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model=VLLM_MODEL,
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messages=[
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{"role": "system", "content": _TAG_EXTRACT_SYSTEM},
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{"role": "user", "content": f"Source: pdf\n\nText:\n{text[:12000]}"},
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],
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max_tokens=4096,
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temperature=0.1,
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)
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raw = (resp.choices[0].message.content or "").strip()
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data = _parse_json_array(raw, resp.choices[0].finish_reason)
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if not isinstance(data, list):
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data = []
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return json.dumps({"success": True, "text": text[:10000], "count": len(data), "tags": data},
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ensure_ascii=False, indent=2)
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def _parse_pid_drawing(filepath: str) -> str:
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ext = os.path.splitext(filepath)[1].lower()
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if ext == ".dxf":
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return _parse_pid_dxf(filepath)
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elif ext == ".pdf":
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return _parse_pid_pdf(filepath)
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elif ext == ".dwg":
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return json.dumps({
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"success": False,
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"error": "DWG 파일은 직접 파싱할 수 없습니다. DXF로 변환 후 사용하세요.",
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}, ensure_ascii=False)
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else:
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return json.dumps({
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"success": False,
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"error": f"지원하지 않는 형식: {ext}. 지원: .dxf, .pdf",
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}, ensure_ascii=False)
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# ── 그래프 도구 ───────────────────────────────────────────────────────────────
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async def _build_pid_graph_parallel(filepath: str) -> str:
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from pipeline.extractor import PidGeometricExtractor
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from pipeline.topology import PidTopologyBuilder
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from pipeline.mapper import IntelligentMapper
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from openai import AsyncOpenAI
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os.makedirs(STORAGE_DIR, exist_ok=True)
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# Phase 1: 기하 추출
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extractor = PidGeometricExtractor(filepath)
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geo_data_path = os.path.join(STORAGE_DIR, os.path.basename(filepath) + "_geo.json")
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extractor.extract_and_save(geo_data_path)
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with open(geo_data_path, "r", encoding="utf-8") as f:
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geo_data = json.load(f)
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# 시스템 태그 조회
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system_tags: list[str] = []
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try:
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conn = _get_db_connection()
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with conn.cursor() as cur:
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cur.execute("SELECT tagname FROM realtime_table")
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system_tags = [r[0] for r in cur.fetchall()]
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except Exception as e:
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logging.warning(f"시스템 태그 조회 실패: {e}")
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# Phase 2: 1차 위상 빌더 (Mapper용 그래프)
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builder = PidTopologyBuilder(geo_data)
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builder.build_graph()
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# Phase 3: 병렬 LLM 매핑
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api_client = AsyncOpenAI(base_url=VLLM_BASE_URL, api_key="dummy")
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mapper = IntelligentMapper(builder.G, system_tags, api_client=api_client)
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transmitter_nodes = [
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n for n, d in builder.G.nodes(data=True)
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if (d.get("value") or "").upper() in {"FIT", "FT", "LT", "PT", "TE"}
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]
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valve_nodes = [
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n for n, d in builder.G.nodes(data=True)
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if (d.get("value") or "").upper() in {"FCV", "LCV", "TCV", "PCV", "XV"}
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]
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equipment_nodes = [
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n for n, d in builder.G.nodes(data=True)
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if d.get("type") not in {"TEXT", "LINE", "LWPOLYLINE"}
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]
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extracted_results = await asyncio.gather(
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mapper.extract_transmitters(transmitter_nodes),
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mapper.extract_valves(valve_nodes),
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mapper.extract_equipment(equipment_nodes),
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)
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# 매핑 결과 통합
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all_mapped_tags = []
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for res_dict in extracted_results:
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for node_id, mapping in res_dict.items():
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if mapping.resolved_tag != "UNKNOWN":
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node_data = builder.G.nodes[node_id]
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all_mapped_tags.append({
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"entity_id": node_id,
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"tagName": mapping.resolved_tag,
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"bbox": (
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node_data["bbox"].bounds
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if hasattr(node_data["bbox"], "bounds")
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else node_data["bbox"]
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),
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"clean_value": mapping.resolved_tag,
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})
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# Phase 4: 최종 위상 모델링 + 저장
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final_builder = PidTopologyBuilder(geo_data, all_extracted_tags=all_mapped_tags)
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final_builder.build_graph()
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graph_id = os.path.basename(filepath).replace(".dxf", "_graph.json")
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graph_path = os.path.join(STORAGE_DIR, graph_id)
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final_builder.save_graph(graph_path)
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logging.info(f"build_pid_graph_parallel graph_id={graph_id} "
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f"nodes={final_builder.G.number_of_nodes()} "
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f"edges={final_builder.G.number_of_edges()}")
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return json.dumps({
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"success": True,
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"graph_id": graph_id,
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"graph_path": graph_path,
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"nodes": final_builder.G.number_of_nodes(),
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"edges": final_builder.G.number_of_edges(),
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}, ensure_ascii=False)
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def _analyze_pid_impact(graph_id: str, start_node_id: str) -> str:
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from pipeline.analyzer import PidAnalysisEngine
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graph_path = os.path.join(STORAGE_DIR, graph_id)
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mapping_path = graph_path.replace("_graph.json", "_mapping.json")
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analyzer = PidAnalysisEngine(graph_path, mapping_path)
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result = analyzer.analyze_impact(start_node_id)
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return json.dumps(result, ensure_ascii=False, indent=2)
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# ── 요청 디스패처 ─────────────────────────────────────────────────────────────
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async def _dispatch(tool: str, params: dict) -> str:
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try:
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match tool:
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# blocking 함수는 asyncio.to_thread로 스레드풀 오프로드
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case "extract_pid_tags":
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return await asyncio.to_thread(_extract_pid_tags, **params)
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case "match_pid_tags":
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return await asyncio.to_thread(_match_pid_tags, **params)
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case "parse_pid_dxf":
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return await asyncio.to_thread(_parse_pid_dxf, **params)
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case "parse_pid_pdf":
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return await asyncio.to_thread(_parse_pid_pdf, **params)
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case "parse_pid_drawing":
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return await asyncio.to_thread(_parse_pid_drawing, **params)
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case "analyze_pid_impact":
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return await asyncio.to_thread(_analyze_pid_impact, **params)
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# 이미 async — 직접 await
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case "build_pid_graph_parallel":
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return await _build_pid_graph_parallel(**params)
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case _:
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return json.dumps({"success": False, "error": f"알 수 없는 도구: {tool}"},
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ensure_ascii=False)
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except Exception as e:
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logging.error(f"dispatch error tool={tool}: {e}", exc_info=True)
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return json.dumps({"success": False, "error": str(e)}, ensure_ascii=False)
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# ── 종료 예약 ─────────────────────────────────────────────────────────────────
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def _schedule_shutdown():
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"""응답 전송 완료 후 0.5초 뒤 프로세스 종료 예약."""
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async def _do():
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await asyncio.sleep(0.5)
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os.kill(os.getpid(), signal.SIGTERM)
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asyncio.create_task(_do())
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# ── HTTP 엔드포인트 ───────────────────────────────────────────────────────────
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|
|
|
@app.get("/health")
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|
async def health():
|
|
return {"status": "ok"}
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|
|
|
|
|
@app.post("/execute")
|
|
async def execute(request: Request):
|
|
body = await request.json()
|
|
return await _dispatch(body["tool"], body["params"])
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|
|
|
|
|
@app.post("/execute/one_shot")
|
|
async def execute_one_shot(request: Request):
|
|
"""요청 처리 후 프로세스 자동 종료 (P&ID 워커 전용)."""
|
|
body = await request.json()
|
|
result = await _dispatch(body["tool"], body["params"])
|
|
_schedule_shutdown()
|
|
return result
|
|
|
|
# ── 진입점 ───────────────────────────────────────────────────────────────────
|
|
|
|
if __name__ == "__main__":
|
|
port = int(sys.argv[1]) if len(sys.argv) > 1 else 5004
|
|
os.makedirs(STORAGE_DIR, exist_ok=True)
|
|
uvicorn.run(app, host="0.0.0.0", port=port, log_level="warning")
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|
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|
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