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PolyWeather/web/services/city_payloads.py
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Python

"""City payload builders for API-facing response shapes."""
from __future__ import annotations
from typing import Any, Dict, Optional
from src.analysis.settlement_rounding import apply_city_settlement
from web.core import _is_excluded_model_name, _market_layer, _sf
TURKISH_MGM_CITIES = {"ankara", "istanbul"}
def build_city_summary_payload(data: Dict[str, Any]) -> Dict[str, Any]:
return {
"name": data.get("name"),
"display_name": data.get("display_name"),
"icao": data.get("risk", {}).get("icao"),
"utc_offset_seconds": data.get("utc_offset_seconds"),
"local_time": data.get("local_time"),
"temp_symbol": data.get("temp_symbol"),
"current": {
"temp": data.get("current", {}).get("temp"),
"obs_time": data.get("current", {}).get("obs_time"),
"settlement_source": data.get("current", {}).get("settlement_source"),
"settlement_source_label": data.get("current", {}).get("settlement_source_label"),
},
"deb": {"prediction": data.get("deb", {}).get("prediction")},
"deviation_monitor": data.get("deviation_monitor") or {},
"risk": {
"level": data.get("risk", {}).get("level"),
"warning": data.get("risk", {}).get("warning"),
},
"updated_at": data.get("updated_at"),
}
def build_city_market_scan_payload(
data: Dict[str, Any],
market_slug: Optional[str] = None,
target_date: Optional[str] = None,
lite: bool = False,
scan_filters: Optional[Dict[str, Any]] = None,
) -> Dict[str, Any]:
city = str(data.get("name") or "").strip().lower()
local_date = str(data.get("local_date") or "").strip()
requested_date = str(target_date or "").strip()
selected_date = requested_date or local_date
multi_model_daily = data.get("multi_model_daily") or {}
selected_daily = (
multi_model_daily.get(selected_date)
if isinstance(multi_model_daily, dict)
else None
)
if not isinstance(selected_daily, dict):
selected_daily = {}
selected_date = local_date
distribution = selected_daily.get("probabilities")
if not isinstance(distribution, list) or not distribution:
distribution = data.get("probabilities", {}).get("distribution", []) or []
distribution_all = selected_daily.get("probabilities_all")
if not isinstance(distribution_all, list) or not distribution_all:
distribution_all = data.get("probabilities", {}).get("distribution_all", []) or []
if not distribution_all:
distribution_all = distribution
model_map = selected_daily.get("models") or data.get("multi_model") or {}
if not isinstance(model_map, dict):
model_map = {}
anchor_temp = None
anchor_model = None
for model_name, raw_value in model_map.items():
value = _sf(raw_value)
if value is None:
continue
if anchor_temp is None or value > anchor_temp:
anchor_temp = value
anchor_model = str(model_name or "").strip() or None
anchor_temp_c = anchor_temp
temp_symbol = str(data.get("temp_symbol") or "")
if anchor_temp_c is not None and "F" in temp_symbol.upper():
anchor_temp_c = (anchor_temp_c - 32.0) * 5.0 / 9.0
anchor_settlement = apply_city_settlement(city, anchor_temp_c) if anchor_temp_c is not None else None
primary_bucket = None
if isinstance(distribution, list) and distribution:
ranked_buckets = []
temp_symbol_upper = str(temp_symbol or "").upper()
max_primary_bucket_delta = 16.0 if "F" in temp_symbol_upper else 8.0
for idx, row in enumerate(distribution_all):
if not isinstance(row, dict):
continue
bucket_value = _sf(
row.get("temp")
if row.get("temp") is not None
else row.get("value")
if row.get("value") is not None
else row.get("lower")
)
if (
anchor_temp is not None
and bucket_value is not None
and abs(float(bucket_value) - float(anchor_temp)) > max_primary_bucket_delta
):
continue
bucket_prob = _sf(row.get("probability"))
prob_rank = bucket_prob if bucket_prob is not None else -1.0
ranked_buckets.append((-prob_rank, idx, row))
if ranked_buckets:
ranked_buckets.sort(key=lambda x: (x[0], x[1]))
primary_bucket = ranked_buckets[0][2]
elif anchor_temp is None:
primary_bucket = distribution[0]
model_probability = None
if isinstance(primary_bucket, dict) and primary_bucket.get("probability") is not None:
try:
raw_probability = float(primary_bucket.get("probability"))
model_probability = raw_probability / 100.0 if raw_probability > 1.0 else raw_probability
except Exception:
model_probability = None
fallback_sparkline = [
p.get("probability", 0)
for p in distribution_all[:8]
if isinstance(p, dict)
]
current = data.get("current") or {}
selected_deb = selected_daily.get("deb") if isinstance(selected_daily.get("deb"), dict) else {}
current_deb = data.get("deb") if isinstance(data.get("deb"), dict) else {}
scan_context = {
"local_date": data.get("local_date"),
"local_time": data.get("local_time"),
"peak": data.get("peak") or {},
"current_max_so_far": current.get("max_so_far"),
"current_temp": current.get("temp"),
"trend": data.get("trend") or {},
"network_lead_signal": data.get("network_lead_signal") or {},
"models": model_map,
"deb_prediction": selected_deb.get("prediction") or current_deb.get("prediction"),
}
market_scan = _market_layer.build_market_scan(
city=data.get("name"),
target_date=selected_date or data.get("local_date"),
temperature_bucket=primary_bucket if isinstance(primary_bucket, dict) else None,
model_probability=model_probability,
probability_distribution=distribution_all,
temp_symbol=temp_symbol,
fallback_sparkline=fallback_sparkline,
forced_market_slug=market_slug,
include_related_buckets=not lite,
scan_filters=scan_filters,
scan_context=scan_context,
)
if isinstance(market_scan, dict):
market_scan["anchor_model"] = anchor_model
market_scan["anchor_high"] = anchor_temp
market_scan["anchor_settlement"] = anchor_settlement
market_scan["open_meteo_settlement"] = anchor_settlement
probabilities = data.get("probabilities") or {}
market_scan["probability_engine"] = str(
probabilities.get("engine") or "legacy"
).strip() or "legacy"
market_scan["probability_calibration_mode"] = str(
probabilities.get("calibration_mode") or "legacy"
).strip() or "legacy"
return {
"market_scan": market_scan,
"selected_date": selected_date or data.get("local_date"),
"fetched_at": data.get("updated_at"),
}
def build_city_detail_payload(
data: Dict[str, Any],
market_slug: Optional[str] = None,
target_date: Optional[str] = None,
) -> Dict[str, Any]:
market_payload = build_city_market_scan_payload(
data,
market_slug=market_slug,
target_date=target_date,
)
market_scan = market_payload.get("market_scan")
return {
"city": data.get("name"),
"fetched_at": data.get("updated_at"),
"overview": {
"name": data.get("name"),
"display_name": data.get("display_name"),
"icao": data.get("risk", {}).get("icao"),
"airport": data.get("risk", {}).get("airport"),
"lat": data.get("lat"),
"lon": data.get("lon"),
"local_time": data.get("local_time"),
"local_date": data.get("local_date"),
"temp_symbol": data.get("temp_symbol"),
"current_temp": data.get("current", {}).get("temp"),
"settlement_source": data.get("current", {}).get("settlement_source"),
"settlement_source_label": data.get("current", {}).get("settlement_source_label"),
"settlement_station": data.get("settlement_station") or {},
"deb_prediction": data.get("deb", {}).get("prediction"),
"risk_level": data.get("risk", {}).get("level"),
"risk_warning": data.get("risk", {}).get("warning"),
"updated_at": data.get("updated_at"),
},
"official": {
"available": bool(data.get("current", {}).get("temp") is not None),
"metar": {
"observation_time": data.get("airport_current", {}).get("obs_time"),
"obs_age_min": data.get("airport_current", {}).get("obs_age_min"),
"report_time": data.get("airport_current", {}).get("report_time"),
"receipt_time": data.get("airport_current", {}).get("receipt_time"),
"raw_metar": data.get("airport_current", {}).get("raw_metar"),
"current": data.get("airport_current") or {},
},
"taf": data.get("taf") or {},
"weather_gov": {},
"mgm": data.get("mgm") or {},
"mgm_nearby": data.get("mgm_nearby") or [],
"nearby_source": data.get("nearby_source") or ("mgm" if str(data.get("name") or "").lower() in TURKISH_MGM_CITIES else "metar_cluster"),
"airport_primary": data.get("airport_primary") or {},
"airport_primary_today_obs": data.get("airport_primary_today_obs") or [],
"official_nearby": data.get("official_nearby") or [],
"official_network_source": data.get("official_network_source"),
"official_network_status": data.get("official_network_status") or {},
"network_lead_signal": data.get("network_lead_signal") or {},
"network_spread_signal": data.get("network_spread_signal") or {},
"center_station_candidate": data.get("center_station_candidate"),
"airport_vs_network_delta": data.get("airport_vs_network_delta"),
},
"timeseries": {
"metar_recent_obs": data.get("metar_recent_obs") or [],
"metar_today_obs": data.get("metar_today_obs") or [],
"settlement_today_obs": data.get("settlement_today_obs") or [],
"hourly": data.get("hourly") or {},
"mgm_hourly": (data.get("mgm") or {}).get("hourly", []),
"forecast_daily": (data.get("forecast") or {}).get("daily", []),
},
"models": {
k: v
for k, v in (data.get("multi_model") or {}).items()
if not _is_excluded_model_name(k)
},
"deb": data.get("deb") or {},
"multi_model_daily": data.get("multi_model_daily") or {},
"probabilities": data.get("probabilities") or {"mu": None, "distribution": []},
"dynamic_commentary": data.get("dynamic_commentary") or {"summary": "", "notes": []},
"intraday_meteorology": data.get("intraday_meteorology")
or _build_intraday_meteorology(data),
"vertical_profile_signal": data.get("vertical_profile_signal") or {},
"taf": data.get("taf") or {},
"market_scan": market_scan,
"risk": data.get("risk"),
"settlement_station": data.get("settlement_station") or {},
"airport_primary": data.get("airport_primary") or {},
"official_nearby": data.get("official_nearby") or [],
"official_network_source": data.get("official_network_source"),
"official_network_status": data.get("official_network_status") or {},
"network_lead_signal": data.get("network_lead_signal") or {},
"network_spread_signal": data.get("network_spread_signal") or {},
"center_station_candidate": data.get("center_station_candidate"),
"airport_vs_network_delta": data.get("airport_vs_network_delta"),
"airport_current": data.get("airport_current") or {},
"amos": data.get("amos") or {},
"nearby_source": data.get("nearby_source") or ("mgm" if str(data.get("name") or "").lower() in TURKISH_MGM_CITIES else "metar_cluster"),
"ai_analysis": data.get("ai_analysis") or "",
"errors": {},
}
def _build_intraday_meteorology(data: Dict[str, Any]) -> Dict[str, Any]:
from web.analysis_service import _build_intraday_meteorology as build_intraday
return build_intraday(data)