Files
iaai-parser/iaai_scraper/parsing/mapper.py

310 lines
14 KiB
Python

import hashlib
import json
import re
from datetime import datetime, timezone
from typing import Any
from urllib.parse import urlparse
from ..core.utils import first_non_empty
from ..storage.enums import (
BODY_TYPE_ENUM_VALUES,
COUNTRY_ENUM_VALUES,
CURRENCY_ENUM_VALUES,
DRIVE_ENUM_VALUES,
GEARBOX_ENUM_VALUES,
ORIGIN_ENUM_VALUES,
SELLING_TYPE_ENUM_VALUES,
STEERING_WHEEL_ENUM_VALUES,
)
from ..storage.schemas import CarRecord, ImageRecord
class CarMapper:
"""IAAI data → CarRecord."""
BODY_MAP = {
"sedan": "SEDAN", "coupe": "COUPE", "hatchback": "HATCHBACK", "sport utility": "SUV",
"suv": "SUV", "wagon": "STATION_WAGON", "station wagon": "STATION_WAGON", "pickup": "PICKUP",
"pickup truck": "PICKUP", "crew cab": "PICKUP", "extended cab": "PICKUP", "regular cab": "PICKUP",
"quad cab": "PICKUP", "double cab": "PICKUP", "king cab": "PICKUP", "mega cab": "PICKUP",
"supercab": "PICKUP", "supercrew": "PICKUP", "truck": "TRUCK", "van": "MINIVAN",
"minivan": "MINIVAN", "convertible": "OPEN", "cabriolet": "OPEN", "rv": "RV", "crossover": "SUV",
}
DRIVE_MAP = {
"front wheel drive": "FWD", "fwd": "FWD", "rear wheel drive": "RWD", "rwd": "RWD",
"all wheel drive": "4WD", "awd": "4WD", "4x4": "4WD", "four wheel drive": "4WD",
"4wd": "4WD", "2wd": "2WD", "two wheel drive": "2WD",
}
GEARBOX_MAP = {
"automatic": "AT", "automatic transmission": "AT", "a/t": "AT", "aut": "AT",
"manual": "MT", "manual transmission": "MT", "m/t": "MT", "cvt": "CVT",
"continuously variable transmission": "CVT", "electric": "EV", "ev": "EV",
}
STEERING_MAP = {"left": "LEFT", "left hand drive": "LEFT", "right": "RIGHT", "right hand drive": "RIGHT"}
COUNTRY_MAP = {
"us": "US", "usa": "US", "united states": "US", "ca": "CA", "canada": "CA",
"jp": "JP", "japan": "JP", "kr": "KR", "korea": "KR", "south korea": "KR",
}
NO_DAMAGE_MARKERS = {"normal wear", "normal wear & tear", "normal wear and tear", "n/a", "na", "none", "no damage", "minor dents/scratches"}
def map_to_car_record(self, vehicle_url: str, vehicle_summary: dict[str, Any], payload_insights: dict[str, Any]) -> CarRecord:
vehicle_summary = vehicle_summary or {}
payload_insights = payload_insights or {}
notes: list[str] = []
core = payload_insights.get("vehicle_core", {})
pricing = payload_insights.get("pricing", {})
damage = payload_insights.get("damage", {})
auction = payload_insights.get("auction", {})
images = payload_insights.get("images", {})
origin_id = self._build_origin_id(vehicle_url, vehicle_summary, core)
parser_id = f"iaai:{origin_id}"
brand = self._as_str(first_non_empty([core.get("make"), vehicle_summary.get("make"), "UNKNOWN"]))
model = self._as_str(first_non_empty([core.get("model"), vehicle_summary.get("model"), "UNKNOWN"]))
year = self._to_int(first_non_empty([core.get("year"), vehicle_summary.get("year")]))
price = self._to_int(first_non_empty([pricing.get("buy_now"), pricing.get("current_bid"), vehicle_summary.get("buy_now"), vehicle_summary.get("current_bid")]))
mileage = self._to_int(first_non_empty([core.get("odometer"), vehicle_summary.get("odometer"), 0])) or 0
color = self._normalize_color(first_non_empty([core.get("color"), vehicle_summary.get("color"), "other"]))
drive = self._normalize_drive(first_non_empty([core.get("drive"), vehicle_summary.get("drive")]))
gearbox = self._normalize_gearbox(first_non_empty([core.get("gearbox"), vehicle_summary.get("gearbox")]))
steering = self._normalize_steering(first_non_empty([core.get("steering_wheel"), vehicle_summary.get("steering_wheel")])) or "LEFT"
body_type = self._normalize_body_type(first_non_empty([core.get("body_type"), vehicle_summary.get("body_type")]))
engine_volume = self._to_engine_cc(first_non_empty([core.get("engine"), core.get("engine_volume"), vehicle_summary.get("engine"), vehicle_summary.get("engine_volume")]))
title_text = self._as_str(first_non_empty([core.get("title"), vehicle_summary.get("title"), ""]))
seller = self._as_str(first_non_empty([core.get("seller"), vehicle_summary.get("seller"), ""]))
location = self._as_str(first_non_empty([core.get("location"), vehicle_summary.get("location"), auction.get("branch"), ""]))
country = self._normalize_country(first_non_empty([core.get("country"), location, "US"]))
is_damaged = self._bool_damage(damage, vehicle_summary)
is_sold = self._bool_sold(auction)
one_owner = self._boolish(first_non_empty([core.get("one_owner"), vehicle_summary.get("one_owner"), False]))
new_car = self._boolish(first_non_empty([core.get("new_car"), vehicle_summary.get("new_car"), False]))
rental = self._boolish(first_non_empty([core.get("rental"), vehicle_summary.get("rental"), False]))
repair_history = self._boolish(first_non_empty([core.get("repair_history"), vehicle_summary.get("repair_history"), False]))
non_smoking = self._boolish(first_non_empty([core.get("non_smoking"), vehicle_summary.get("non_smoking"), True]))
evaluation = self._as_str(first_non_empty([core.get("grade"), core.get("evaluation"), vehicle_summary.get("evaluation")])) or None
currency = self._normalize_currency(first_non_empty([pricing.get("currency"), vehicle_summary.get("currency"), "USD"]))
slug = self._slugify(" ".join(filter(None, [str(year or ""), brand, model, origin_id])))
images_records = self._build_images(images.get("urls") or vehicle_summary.get("image_urls") or [])
origin = "IAAI" if "IAAI" in ORIGIN_ENUM_VALUES else "NA"
if not price:
notes.append("Price is missing or not parseable from the observed payloads.")
if not vehicle_summary.get("vin"):
notes.append("VIN was not observed in the accessible payloads for this account/session.")
if not images_records:
notes.append("No image URLs were found in the captured payloads.")
raw_attributes = {
"vin": vehicle_summary.get("vin"),
"lot_number": first_non_empty([core.get("lot_number"), vehicle_summary.get("lot_number")]),
"trim": first_non_empty([core.get("trim"), vehicle_summary.get("trim")]),
"fuel_type": first_non_empty([core.get("fuel_type"), vehicle_summary.get("fuel_type")]),
"cylinders": first_non_empty([core.get("cylinders"), vehicle_summary.get("cylinders")]),
"engine": first_non_empty([core.get("engine"), vehicle_summary.get("engine")]),
"manufactured_in": vehicle_summary.get("manufactured_in"),
"vehicle_class": vehicle_summary.get("vehicle_class"),
"run_and_drive": first_non_empty([core.get("run_and_drive"), vehicle_summary.get("run_and_drive")]),
"keys": first_non_empty([core.get("keys"), vehicle_summary.get("keys")]),
"title": title_text,
"title_brand": vehicle_summary.get("title_brand"),
"damage_primary": first_non_empty([damage.get("primary"), vehicle_summary.get("primary_damage")]),
"damage_secondary": damage.get("secondary"),
"damage_description": damage.get("description"),
"buy_now": first_non_empty([pricing.get("buy_now"), vehicle_summary.get("buy_now")]),
"current_bid": first_non_empty([pricing.get("current_bid"), vehicle_summary.get("current_bid")]),
"actual_cash_value": pricing.get("actual_cash_value"),
"estimated_repair_cost": pricing.get("estimated_repair_cost"),
"seller": seller,
"location": location,
"vehicle_location": vehicle_summary.get("vehicle_location"),
"auction_date": auction.get("auction_date"),
"lane": auction.get("lane"),
"branch": auction.get("branch"),
"sale_status": auction.get("sale_status"),
"source_endpoints": payload_insights.get("source_endpoints", {}),
}
content_hash = hashlib.sha256(json.dumps({
"brand": brand, "model": model, "year": year, "price": price, "mileage": mileage,
"color": color, "drive": drive, "gearbox": gearbox, "body_type": body_type,
"engine_volume": engine_volume, "is_damaged": is_damaged, "is_sold": is_sold,
"image_count": len(images_records),
}, sort_keys=True, default=str).encode()).hexdigest()
return CarRecord(
parser_id=parser_id, brand=brand, model=model, year=year, price=price, currency=currency,
mileage=mileage, country=country, is_sold=is_sold, color=color, drive=drive, gearbox=gearbox,
steering_wheel=steering, body_type=body_type, engine_volume=engine_volume,
selling_type=self._normalize_selling_type("AUCTION"), one_owner=one_owner, new_car=new_car,
is_hidden=False, origin=origin, origin_url=vehicle_url, origin_id=origin_id, is_damaged=is_damaged,
evaluation=evaluation, non_smoking=non_smoking, rental=rental, repair_history=repair_history,
slug=slug, last_seen_at=datetime.now(timezone.utc), content_hash=content_hash, images=images_records,
raw_attributes=raw_attributes, mapping_notes=notes,
)
@staticmethod
def _as_str(value: Any) -> str:
return "" if value is None else str(value).strip()
@staticmethod
def _to_int(value: Any) -> int | None:
if value is None:
return None
if isinstance(value, bool):
return int(value)
if isinstance(value, (int, float)):
return int(value)
digits = re.sub(r"[^\d]", "", str(value))
return int(digits) if digits else None
def _to_engine_cc(self, value: Any) -> int | None:
text = str(value).lower().strip() if value is not None else ""
if not text:
return None
if liters_match := re.search(r"(\d+(?:\.\d+)?)\s*l", text):
return int(float(liters_match.group(1)) * 1000)
if cubic_match := re.search(r"(\d{3,5})\s*(?:cc|cm3|cubic)", text):
return int(cubic_match.group(1))
return int(text) if re.match(r"^\d+$", text) else None
def _normalize_currency(self, value: Any) -> str:
text = self._as_str(value).upper() or "USD"
if text in CURRENCY_ENUM_VALUES:
return text
return "USD" if "$" in str(value) else "USD"
def _normalize_drive(self, value: Any) -> str | None:
text = self._as_str(value).lower()
if not text:
return None
if (mapped := self.DRIVE_MAP.get(text)) and mapped in DRIVE_ENUM_VALUES:
return mapped
for marker, mapped in self.DRIVE_MAP.items():
if marker in text and mapped in DRIVE_ENUM_VALUES:
return mapped
return "NA"
def _normalize_gearbox(self, value: Any) -> str | None:
text = self._as_str(value).lower()
if not text:
return None
if (mapped := self.GEARBOX_MAP.get(text)) and mapped in GEARBOX_ENUM_VALUES:
return mapped
for marker, mapped in self.GEARBOX_MAP.items():
if marker in text and mapped in GEARBOX_ENUM_VALUES:
return mapped
return "NA"
def _normalize_steering(self, value: Any) -> str | None:
text = self._as_str(value).lower()
if not text:
return None
if (mapped := self.STEERING_MAP.get(text)) and mapped in STEERING_WHEEL_ENUM_VALUES:
return mapped
for marker, mapped in self.STEERING_MAP.items():
if marker in text and mapped in STEERING_WHEEL_ENUM_VALUES:
return mapped
return None
def _normalize_body_type(self, value: Any) -> str:
text = self._as_str(value).lower()
if not text:
return "OTHER"
for marker, mapped in self.BODY_MAP.items():
if marker in text and mapped in BODY_TYPE_ENUM_VALUES:
return mapped
return "OTHER"
def _normalize_country(self, value: Any) -> str:
text = self._as_str(value).lower()
if not text:
return "US"
for marker, mapped in self.COUNTRY_MAP.items():
if marker in text and mapped in COUNTRY_ENUM_VALUES:
return mapped
return "US" if "US" in COUNTRY_ENUM_VALUES else "NA"
def _normalize_selling_type(self, value: Any) -> str:
text = self._as_str(value) or "AUCTION"
return text if text in SELLING_TYPE_ENUM_VALUES else "AUCTION"
@staticmethod
def _normalize_color(value: Any) -> str:
text = str(value).strip() if value is not None else "other"
if not text:
return "other"
if "/" in text:
text = text.split("/")[0].strip()
return text.lower() or "other"
@staticmethod
def _boolish(value: Any) -> bool:
return value if isinstance(value, bool) else str(value).strip().lower() in {"1", "true", "yes", "y", "owner", "one owner", "new"}
def _bool_damage(self, damage: dict[str, Any], vehicle_summary: dict[str, Any]) -> bool:
for value in [damage.get("primary"), damage.get("secondary"), damage.get("description"), vehicle_summary.get("primary_damage")]:
text = self._as_str(value).lower()
if text and text not in self.NO_DAMAGE_MARKERS:
return True
return False
def _bool_sold(self, auction: dict[str, Any]) -> bool:
return any(token in self._as_str(auction.get("sale_status")).lower() for token in ["sold", "closed", "ended"])
def _build_images(self, urls: list[Any]) -> list[ImageRecord]:
best_by_key: dict[str, str] = {}
key_order: list[str] = []
non_keyed: list[str] = []
for item in urls:
if not isinstance(item, str):
continue
url = item.strip()
if not url:
continue
if m := re.search(r'imageKeys=([^&]+)', url):
img_key = m.group(1)
w = int(re.search(r'width=(\d+)', url).group(1)) if re.search(r'width=(\d+)', url) else 0
existing = best_by_key.get(img_key)
if existing is None:
best_by_key[img_key] = url
key_order.append(img_key)
else:
existing_w = int(re.search(r'width=(\d+)', existing).group(1)) if re.search(r'width=(\d+)', existing) else 0
if w > existing_w:
best_by_key[img_key] = url
elif url not in non_keyed:
non_keyed.append(url)
deduped = [best_by_key[k] for k in key_order] + non_keyed
return [ImageRecord(fullres_image=self._make_fullres_url(url), preview_image=self._make_preview_url(url), order_index=index) for index, url in enumerate(deduped)]
@staticmethod
def _make_fullres_url(url: str) -> str:
if "vis.iaai.com" in url:
return re.sub(r'height=\d+', 'height=633', re.sub(r'width=\d+', 'width=845', url))
return url
@staticmethod
def _make_preview_url(url: str) -> str:
if "vis.iaai.com" in url:
preview = re.sub(r'height=\d+', 'height=300', re.sub(r'width=\d+', 'width=400', url))
if preview != url:
return preview
return url
def _build_origin_id(self, vehicle_url: str, vehicle_summary: dict[str, Any], core: dict[str, Any]) -> str:
for value in [core.get("lot_number"), vehicle_summary.get("lot_number"), vehicle_summary.get("vin")]:
text = self._as_str(value)
if text:
return text
tail = urlparse(vehicle_url).path.rstrip("/").split("/")[-1]
if "~" in tail:
tail = tail.split("~")[0]
return tail or self._slugify(vehicle_url)
@staticmethod
def _slugify(value: str) -> str:
return re.sub(r"[^a-z0-9]+", "-", value.lower()).strip("-") or "car"
class IAAICarMapper(CarMapper):
"""Совместимое имя маппера."""