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TK-BOM-Project/backend/app/services/plate_classifier.py

51 lines
1.5 KiB
Python

import re
from typing import Dict, Optional
def classify_plate(tag: str, description: str, main_nom: str = "") -> Dict:
"""
판재(PLATE) 분류기
규격 예: PLATE 10T x 1219 x 2438
"""
desc_upper = description.upper()
# 1. 두께(Thickness) 추출
# 패턴: 10T, 10.5T, THK 10, THK. 10, t=10
thickness = None
t_match = re.search(r'(\d+(?:\.\d+)?)\s*T\b', desc_upper)
if not t_match:
t_match = re.search(r'(?:THK\.?|t=)\s*(\d+(?:\.\d+)?)', desc_upper, re.IGNORECASE)
if t_match:
thickness = t_match.group(1)
# 2. 규격(Dimensions) 추출
# 패턴: 1219x2438, 4'x8', 1000*2000
dimensions = ""
dim_match = re.search(r'(\d+(?:\.\d+)?)\s*[X\*]\s*(\d+(?:\.\d+)?)(?:\s*[X\*]\s*(\d+(?:\.\d+)?))?', desc_upper)
if dim_match:
groups = [g for g in dim_match.groups() if g]
dimensions = " x ".join(groups)
# 3. 재질 추출
material = "UNKNOWN"
# 압력용기용 및 일반 구조용 강판 재질 추가
plate_materials = [
"SUS304", "SUS316", "SUS321", "SS400", "A36", "SM490",
"SA516", "A516", "SA283", "A283", "SA537", "A537", "POS-M"
]
for mat in plate_materials:
if mat in desc_upper:
material = mat
break
return {
"category": "PLATE",
"overall_confidence": 0.9,
"details": {
"thickness": thickness,
"dimensions": dimensions,
"material": material
}
}