Files
Autoparts-DB/pos/services/vin_decoder.py
consultoria-as e95f7cf684 feat: complete session — catalog, marketplace, WhatsApp, peer-to-peer, install scripts
Major features:
- Pixel-Perfect glassmorphism design (landing + POS + public catalog)
- OEM/Local catalog toggle with Nexpart taxonomy (14 groups, 108 subgroups, 558 part types)
- Marketplace B2B Phase 1 (bodegas, POs, status machine, WA+email notifications)
- Peer-to-peer inventory (multi-instance, LAN discovery)
- WhatsApp: photo→Vision AI, voice→Whisper, conversational quotations
- Smart unified search (VIN/plate/part_number/keyword auto-detect)
- Shop Supplies tab (vehicle-independent parts)
- Chatbot AI fallback chain (5 models) + response cache
- CSV inventory import tool + setup_instance.sh installer
- Tablet-responsive CSS + sidebar toggle
- Filters, export CSV, employee edit, business data save
- Quotation system (WA→POS) with auto-print on confirmation
- Live stats on landing page

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-18 05:35:53 +00:00

67 lines
2.3 KiB
Python

"""VIN Decoder using NHTSA vPIC API (free, no key needed)."""
import re
import requests
def decode_vin(vin):
"""Decode a VIN number using NHTSA API.
Returns: {make, model, year, engine, body_type, plant_country, fuel_type, error}
"""
vin = (vin or "").strip().upper()
# Validate: 17 alphanumeric chars, no I/O/Q
if not re.match(r'^[A-HJ-NPR-Z0-9]{17}$', vin):
return {"error": "VIN debe tener exactamente 17 caracteres alfanumericos (sin I, O, Q)."}
url = f"https://vpic.nhtsa.dot.gov/api/vehicles/DecodeVinValues/{vin}?format=json"
# NHTSA's free API can be slow (5-30s). Retry once on timeout.
import time
for attempt in range(2):
try:
resp = requests.get(url, timeout=25)
resp.raise_for_status()
break
except requests.exceptions.Timeout:
if attempt == 0:
time.sleep(2)
continue
return {"error": "El servidor NHTSA no respondio. Intenta de nuevo en unos segundos."}
except requests.exceptions.RequestException as e:
return {"error": f"Error de conexion con NHTSA: {str(e)[:100]}"}
data = resp.json()["Results"][0]
error_text = data.get("ErrorText", "") or ""
# NHTSA returns error codes like "0 - ..." for no error
has_real_error = error_text and not error_text.startswith("0")
displacement = data.get("DisplacementL", "") or ""
cylinders = data.get("EngineCylinders", "") or ""
engine_parts = []
if displacement:
engine_parts.append(f"{displacement}L")
if cylinders:
engine_parts.append(f"{cylinders}cyl")
engine_str = " ".join(engine_parts)
model_year = data.get("ModelYear", "")
year_int = None
if model_year:
try:
year_int = int(model_year)
except (ValueError, TypeError):
pass
return {
"vin": vin,
"make": data.get("Make", "") or "",
"model": data.get("Model", "") or "",
"year": year_int,
"engine": engine_str,
"body_type": data.get("BodyClass", "") or "",
"plant_country": data.get("PlantCountry", "") or "",
"fuel_type": data.get("FuelTypePrimary", "") or "",
"drive_type": data.get("DriveType", "") or "",
"trim": data.get("Trim", "") or "",
"error": error_text if has_real_error else "",
}