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from __future__ import annotations
import json
import math
import time
from dataclasses import dataclass
from datetime import date, timedelta
from pathlib import Path
from typing import Any
from urllib.parse import urlencode
from urllib.request import Request, urlopen
import pandas as pd
REPO_ROOT = Path(__file__).resolve().parents[1]
RAW_FIELD_DIR = REPO_ROOT / "data" / "raw" / "field"
PROCESSED_DIR = REPO_ROOT / "data" / "processed"
LOCAL_DOWNLOADS_DIR = REPO_ROOT / "data_local" / "downloads"
USDA_SOIL_CACHE_DIR = LOCAL_DOWNLOADS_DIR / "usda_soil"
FIELD_BOUNDARY_PATH = RAW_FIELD_DIR / "field_boundary.geojson"
OUTPUT_PATH = PROCESSED_DIR / "zone_state_bootstrap.parquet"
DATASET_CARD_PATH = PROCESSED_DIR / "zone_state_bootstrap.dataset_card.json"
TOP_MANIFEST_PATH = PROCESSED_DIR / "manifest.json"
CURRENT_DATE = date(2026, 4, 1)
HISTORY_START = CURRENT_DATE - timedelta(days=30)
HISTORY_END = CURRENT_DATE - timedelta(days=1)
FORECAST_END = CURRENT_DATE + timedelta(days=6)
PROVISIONAL_FIELD = {
"field_id": "provisional_iowa_demo",
"name": "Provisional Iowa Demo Field",
"crop": "row_crop_mixed_demo",
"season": "2026",
"center_lat": 42.0412,
"center_lon": -93.8194,
"width_m": 300.0,
"height_m": 300.0,
"zone_size_m": 100.0,
"boundary_mode": "provisional_demo",
"source_note": "Generated locally to unblock the zone bootstrap pipeline until the real field boundary is supplied.",
"timezone": "America/Chicago",
}
SOIL_PROPERTIES = ["bdod", "cec", "cfvo", "clay", "nitrogen", "phh2o", "sand", "silt", "soc"]
SOIL_DEPTHS = ["0-5cm", "0-30cm"]
SOIL_COLUMN_SUFFIXES = {
"bdod": "kgdm3",
"cec": "cmolkg",
"cfvo": "pct",
"clay": "pct",
"nitrogen": "gkg",
"phh2o": "ph",
"sand": "pct",
"silt": "pct",
"soc": "gkg",
}
USDA_SDA_URL = "https://sdmdataaccess.sc.egov.usda.gov/Tabular/post.rest"
USDA_USABLE_HORIZON_FIELDS = [
"sandtotal_r",
"silttotal_r",
"claytotal_r",
"om_r",
"dbthirdbar_r",
"cec7_r",
"ph1to1h2o_r",
"fragvoltot_r",
]
USDA_QUERY_OFFSETS_M = [0.0, 10.0, -10.0, 25.0, -25.0, 40.0, -40.0]
SOILGRIDS_QUERY_OFFSETS_M = [0.0, 25.0, -25.0, 50.0, -50.0]
@dataclass(frozen=True)
class Zone:
zone_id: str
row: int
col: int
area_m2: float
center_lat: float
center_lon: float
def main() -> None:
RAW_FIELD_DIR.mkdir(parents=True, exist_ok=True)
PROCESSED_DIR.mkdir(parents=True, exist_ok=True)
USDA_SOIL_CACHE_DIR.mkdir(parents=True, exist_ok=True)
boundary = ensure_provisional_boundary()
boundary_props = boundary["features"][0]["properties"]
zones = build_zones_from_boundary(boundary)
elevations = fetch_elevations(zones)
soil_rows, soil_status_summary = fetch_soil_rows(zones)
archive_rows = fetch_archive_weather(zones)
forecast_rows = fetch_forecast_weather(zones)
records = []
for zone in zones:
soil = soil_rows[zone.zone_id]
weather = archive_rows[zone.zone_id]
forecast = forecast_rows[zone.zone_id]
elevation = elevations[zone.zone_id]
recent_precip = weather["precipitation_sum_7d_mm"]
recent_et0 = weather["et0_sum_7d_mm"]
forecast_precip = forecast["forecast_precipitation_sum_7d_mm"]
forecast_et0 = forecast["forecast_et0_sum_7d_mm"]
recent_soil_moisture = weather["soil_moisture_0_7cm_mean_7d_m3m3"]
soil_nitrogen = soil.get("soil_nitrogen_0_30cm_gkg")
records.append(
{
"build_date": CURRENT_DATE.isoformat(),
"field_id": boundary_props["field_id"],
"field_name": boundary_props["name"],
"boundary_mode": boundary_props["boundary_mode"],
"crop": boundary_props["crop"],
"season": boundary_props["season"],
"zone_id": zone.zone_id,
"zone_row": zone.row,
"zone_col": zone.col,
"zone_area_m2": zone.area_m2,
"zone_center_lat": zone.center_lat,
"zone_center_lon": zone.center_lon,
"landcover_assumed": "cropland",
"elevation_m": elevation,
**soil,
**weather,
**forecast,
"water_balance_proxy_7d_mm": round(recent_precip - recent_et0, 3),
"forecast_water_balance_proxy_7d_mm": round(forecast_precip - forecast_et0, 3),
"irrigation_pressure_proxy": round(max(0.0, forecast_et0 - forecast_precip) * (1.0 - min(1.0, recent_soil_moisture / 0.35)), 3),
"nitrogen_pressure_proxy": round(max(0.0, 1.5 - soil_nitrogen), 3) if soil_nitrogen is not None else None,
"access_wet_risk_flag": bool(recent_soil_moisture >= 0.34 or recent_precip >= 25.0),
}
)
df = pd.DataFrame(records).sort_values("zone_id").reset_index(drop=True)
df.to_parquet(OUTPUT_PATH, index=False)
df.to_json(PROCESSED_DIR / "zone_state_bootstrap.jsonl", orient="records", lines=True)
dataset_card = {
"dataset": "zone_state_bootstrap",
"description": "Zone-level bootstrap table for planning and simulator initialization, built from a provisional demo field plus public soil, weather, and elevation sources.",
"records": len(df),
"field_id": boundary_props["field_id"],
"boundary_mode": boundary_props["boundary_mode"],
"history_window": {
"start_date": HISTORY_START.isoformat(),
"end_date": HISTORY_END.isoformat(),
},
"forecast_window": {
"start_date": CURRENT_DATE.isoformat(),
"end_date": FORECAST_END.isoformat(),
},
"sources": {
"field_boundary": str(FIELD_BOUNDARY_PATH),
"usda_sda": USDA_SDA_URL,
"soilgrids": "https://rest.isric.org/soilgrids/v2.0/properties/query",
"open_meteo_archive": "https://archive-api.open-meteo.com/v1/archive",
"open_meteo_forecast": "https://api.open-meteo.com/v1/forecast",
"open_meteo_elevation": "https://api.open-meteo.com/v1/elevation",
},
"soil_status_summary": soil_status_summary,
"soil_status_counts": df["soil_source_status"].value_counts().sort_index().to_dict(),
"columns": list(df.columns),
"note": "Replace the provisional field boundary with the real field polygon before using this dataset for field-specific deployment decisions.",
}
DATASET_CARD_PATH.write_text(json.dumps(dataset_card, indent=2, sort_keys=True))
update_top_manifest(dataset_card)
print(f"Wrote {len(df)} records to {OUTPUT_PATH}")
def ensure_provisional_boundary() -> dict[str, Any]:
if FIELD_BOUNDARY_PATH.exists():
return json.loads(FIELD_BOUNDARY_PATH.read_text())
center_lat = PROVISIONAL_FIELD["center_lat"]
center_lon = PROVISIONAL_FIELD["center_lon"]
half_height_deg = meters_to_lat_deg(PROVISIONAL_FIELD["height_m"] / 2.0)
half_width_deg = meters_to_lon_deg(PROVISIONAL_FIELD["width_m"] / 2.0, center_lat)
north = center_lat + half_height_deg
south = center_lat - half_height_deg
east = center_lon + half_width_deg
west = center_lon - half_width_deg
feature = {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": PROVISIONAL_FIELD,
"geometry": {
"type": "Polygon",
"coordinates": [
[
[west, south],
[east, south],
[east, north],
[west, north],
[west, south],
]
],
},
}
],
}
FIELD_BOUNDARY_PATH.write_text(json.dumps(feature, indent=2))
return feature
def build_zones_from_boundary(boundary: dict[str, Any]) -> list[Zone]:
props = boundary["features"][0]["properties"]
center_lat = props["center_lat"]
center_lon = props["center_lon"]
width_m = props["width_m"]
height_m = props["height_m"]
zone_size_m = props["zone_size_m"]
cols = int(round(width_m / zone_size_m))
rows = int(round(height_m / zone_size_m))
x_origin = -width_m / 2.0 + zone_size_m / 2.0
y_origin = height_m / 2.0 - zone_size_m / 2.0
zones: list[Zone] = []
for row in range(rows):
for col in range(cols):
dx_m = x_origin + col * zone_size_m
dy_m = y_origin - row * zone_size_m
zone_lat = center_lat + meters_to_lat_deg(dy_m)
zone_lon = center_lon + meters_to_lon_deg(dx_m, center_lat)
zones.append(
Zone(
zone_id=f"zone_r{row+1:02d}_c{col+1:02d}",
row=row + 1,
col=col + 1,
area_m2=zone_size_m * zone_size_m,
center_lat=round(zone_lat, 7),
center_lon=round(zone_lon, 7),
)
)
return zones
def fetch_elevations(zones: list[Zone]) -> dict[str, float]:
params = {
"latitude": ",".join(str(zone.center_lat) for zone in zones),
"longitude": ",".join(str(zone.center_lon) for zone in zones),
}
payload = fetch_json("https://api.open-meteo.com/v1/elevation", params)
elevations = payload["elevation"]
return {zone.zone_id: round(float(elevations[idx]), 3) for idx, zone in enumerate(zones)}
def fetch_archive_weather(zones: list[Zone]) -> dict[str, dict[str, float]]:
out: dict[str, dict[str, float]] = {}
for zone in zones:
params = {
"latitude": zone.center_lat,
"longitude": zone.center_lon,
"start_date": HISTORY_START.isoformat(),
"end_date": HISTORY_END.isoformat(),
"timezone": PROVISIONAL_FIELD["timezone"],
"hourly": ",".join(
[
"temperature_2m",
"precipitation",
"et0_fao_evapotranspiration",
"soil_temperature_0_to_7cm",
"soil_moisture_0_to_7cm",
]
),
}
loc = fetch_json("https://archive-api.open-meteo.com/v1/archive", params)
hourly = pd.DataFrame(loc["hourly"])
hourly["time"] = pd.to_datetime(hourly["time"])
out[zone.zone_id] = {
"temperature_2m_mean_7d_c": round(hourly.tail(24 * 7)["temperature_2m"].mean(), 3),
"temperature_2m_mean_30d_c": round(hourly["temperature_2m"].mean(), 3),
"precipitation_sum_7d_mm": round(hourly.tail(24 * 7)["precipitation"].sum(), 3),
"precipitation_sum_30d_mm": round(hourly["precipitation"].sum(), 3),
"et0_sum_7d_mm": round(hourly.tail(24 * 7)["et0_fao_evapotranspiration"].sum(), 3),
"et0_sum_30d_mm": round(hourly["et0_fao_evapotranspiration"].sum(), 3),
"soil_temperature_0_7cm_mean_7d_c": round(hourly.tail(24 * 7)["soil_temperature_0_to_7cm"].mean(), 3),
"soil_temperature_0_7cm_mean_30d_c": round(hourly["soil_temperature_0_to_7cm"].mean(), 3),
"soil_moisture_0_7cm_mean_7d_m3m3": round(hourly.tail(24 * 7)["soil_moisture_0_to_7cm"].mean(), 4),
"soil_moisture_0_7cm_mean_30d_m3m3": round(hourly["soil_moisture_0_to_7cm"].mean(), 4),
}
return out
def fetch_forecast_weather(zones: list[Zone]) -> dict[str, dict[str, float]]:
out: dict[str, dict[str, float]] = {}
for zone in zones:
params = {
"latitude": zone.center_lat,
"longitude": zone.center_lon,
"timezone": PROVISIONAL_FIELD["timezone"],
"daily": ",".join(["temperature_2m_mean", "precipitation_sum", "et0_fao_evapotranspiration"]),
"forecast_days": 7,
}
loc = fetch_json("https://api.open-meteo.com/v1/forecast", params)
daily = pd.DataFrame(loc["daily"])
out[zone.zone_id] = {
"forecast_temperature_2m_mean_7d_c": round(daily["temperature_2m_mean"].mean(), 3),
"forecast_precipitation_sum_7d_mm": round(daily["precipitation_sum"].sum(), 3),
"forecast_et0_sum_7d_mm": round(daily["et0_fao_evapotranspiration"].sum(), 3),
}
return out
def fetch_soil_rows(zones: list[Zone]) -> tuple[dict[str, dict[str, float | None]], str]:
out: dict[str, dict[str, float | None]] = {}
statuses: list[str] = []
for zone in zones:
try:
out[zone.zone_id] = fetch_usda_soil_row(zone)
statuses.append(str(out[zone.zone_id]["soil_source_status"]))
continue
except Exception:
pass
try:
payload = fetch_soilgrids_with_fallback(zone.center_lat, zone.center_lon)
soil_row = parse_soilgrids_payload(payload)
soil_row.update(
{
"soil_source_name": "soilgrids_rest",
"soil_source_status": "soilgrids_rest_offset_search",
"soil_query_offset_dx_m": 0.0,
"soil_query_offset_dy_m": 0.0,
"soil_query_lat": round(zone.center_lat, 7),
"soil_query_lon": round(zone.center_lon, 7),
}
)
out[zone.zone_id] = soil_row
statuses.append("soilgrids_rest_offset_search")
time.sleep(12.5)
except Exception:
soil_row = empty_soil_row()
soil_row.update(
{
"soil_source_name": "unavailable",
"soil_source_status": "soil_source_unavailable_columns_null",
"soil_query_offset_dx_m": None,
"soil_query_offset_dy_m": None,
"soil_query_lat": None,
"soil_query_lon": None,
}
)
out[zone.zone_id] = soil_row
statuses.append("soil_source_unavailable_columns_null")
return out, summarize_statuses(statuses)
def fetch_usda_soil_row(zone: Zone) -> dict[str, float | None]:
attempts: list[dict[str, Any]] = []
for dy_m in USDA_QUERY_OFFSETS_M:
for dx_m in USDA_QUERY_OFFSETS_M:
query_lat = round(zone.center_lat + meters_to_lat_deg(dy_m), 7)
query_lon = round(zone.center_lon + meters_to_lon_deg(dx_m, zone.center_lat), 7)
payload = query_usda_rows(query_lat, query_lon)
rows = parse_usda_table(payload)
attempts.append({"dx_m": dx_m, "dy_m": dy_m, "rows": len(rows), "query_lat": query_lat, "query_lon": query_lon})
if not rows:
continue
soil_row = parse_usda_rows(rows)
soil_row.update(
{
"soil_source_name": "usda_sda",
"soil_source_status": "usda_sda_exact_point" if dx_m == 0.0 and dy_m == 0.0 else "usda_sda_offset_point",
"soil_query_offset_dx_m": dx_m,
"soil_query_offset_dy_m": dy_m,
"soil_query_lat": query_lat,
"soil_query_lon": query_lon,
}
)
write_usda_cache(zone, payload, attempts, soil_row)
return soil_row
write_usda_cache(zone, {}, attempts, None)
raise RuntimeError(f"No USDA soil rows returned for {zone.zone_id}")
def query_usda_rows(query_lat: float, query_lon: float) -> dict[str, Any]:
query = f"""
select
MU.mukey as mukey,
MU.musym as musym,
MU.muname as muname,
MU.slopegradwta as slopegradwta,
MU.aws025wta as aws025wta,
MU.drclassdcd as drclassdcd,
MU.hydgrpdcd as hydgrpdcd,
C.cokey as cokey,
C.compname as compname,
C.comppct_r as comppct_r,
H.hzdept_r as hzdept_r,
H.hzdepb_r as hzdepb_r,
H.sandtotal_r as sandtotal_r,
H.silttotal_r as silttotal_r,
H.claytotal_r as claytotal_r,
H.om_r as om_r,
H.dbthirdbar_r as dbthirdbar_r,
H.cec7_r as cec7_r,
H.ph1to1h2o_r as ph1to1h2o_r,
H.fragvoltot_r as fragvoltot_r,
H.awc_r as awc_r
from SDA_Get_Mukey_from_intersection_with_WktWgs84('point({query_lon} {query_lat})') as S
join muaggatt MU on MU.mukey = S.mukey
join component C on C.mukey = S.mukey
join chorizon H on H.cokey = C.cokey
where C.comppct_r is not null
and H.hzdept_r is not null
and H.hzdepb_r is not null
order by C.comppct_r desc, H.hzdept_r asc
"""
payload = post_json(
USDA_SDA_URL,
{
"SERVICE": "query",
"REQUEST": "query",
"QUERY": query,
"FORMAT": "JSON+COLUMNNAME",
},
)
return payload
def write_usda_cache(zone: Zone, payload: dict[str, Any], attempts: list[dict[str, Any]], selected_soil_row: dict[str, Any] | None) -> None:
cache_path = USDA_SOIL_CACHE_DIR / f"{zone.zone_id}.json"
cache_payload = {
"zone_id": zone.zone_id,
"zone_center_lat": zone.center_lat,
"zone_center_lon": zone.center_lon,
"attempts": attempts,
"selected_source_status": None if selected_soil_row is None else selected_soil_row.get("soil_source_status"),
"selected_query_lat": None if selected_soil_row is None else selected_soil_row.get("soil_query_lat"),
"selected_query_lon": None if selected_soil_row is None else selected_soil_row.get("soil_query_lon"),
"selected_query_offset_dx_m": None if selected_soil_row is None else selected_soil_row.get("soil_query_offset_dx_m"),
"selected_query_offset_dy_m": None if selected_soil_row is None else selected_soil_row.get("soil_query_offset_dy_m"),
"response": payload,
}
cache_path.write_text(json.dumps(cache_payload, indent=2, sort_keys=True))
def parse_usda_table(payload: dict[str, Any]) -> list[dict[str, Any]]:
table = payload.get("Table", [])
if len(table) < 2:
return []
columns = table[0]
return [dict(zip(columns, row, strict=True)) for row in table[1:]]
def parse_usda_rows(rows: list[dict[str, Any]]) -> dict[str, float | None]:
out = empty_soil_row()
first = rows[0]
out.update(
{
"soil_usda_mukey": first.get("mukey"),
"soil_usda_musym": first.get("musym"),
"soil_usda_muname": first.get("muname"),
"soil_usda_slopegradwta_pct": to_float(first.get("slopegradwta")),
"soil_usda_aws025wta_cm": to_float(first.get("aws025wta")),
"soil_usda_drainage_class": first.get("drclassdcd"),
"soil_usda_hydrologic_group": first.get("hydgrpdcd"),
}
)
depth_windows = {
"0_to_5cm": (0.0, 5.0),
"0_to_30cm": (0.0, 30.0),
}
mapped_fields = {
"soil_bdod_{depth}_kgdm3": "dbthirdbar_r",
"soil_cec_{depth}_cmolkg": "cec7_r",
"soil_cfvo_{depth}_pct": "fragvoltot_r",
"soil_clay_{depth}_pct": "claytotal_r",
"soil_phh2o_{depth}_ph": "ph1to1h2o_r",
"soil_sand_{depth}_pct": "sandtotal_r",
"soil_silt_{depth}_pct": "silttotal_r",
}
for depth_label, (start_cm, end_cm) in depth_windows.items():
averages = weighted_horizon_averages(rows, start_cm, end_cm)
for target_template, source_key in mapped_fields.items():
value = averages.get(source_key)
out[target_template.format(depth=depth_label)] = round(value, 4) if value is not None else None
om_value = averages.get("om_r")
out[f"soil_soc_{depth_label}_gkg"] = round(om_value * 5.8, 4) if om_value is not None else None
out[f"soil_nitrogen_{depth_label}_gkg"] = None
return out
def weighted_horizon_averages(rows: list[dict[str, Any]], start_cm: float, end_cm: float) -> dict[str, float | None]:
numerators = {field: 0.0 for field in USDA_USABLE_HORIZON_FIELDS}
denominators = {field: 0.0 for field in USDA_USABLE_HORIZON_FIELDS}
for row in rows:
hz_top = to_float(row.get("hzdept_r"))
hz_bottom = to_float(row.get("hzdepb_r"))
component_pct = to_float(row.get("comppct_r"))
if hz_top is None or hz_bottom is None or component_pct is None:
continue
overlap = max(0.0, min(hz_bottom, end_cm) - max(hz_top, start_cm))
if overlap <= 0:
continue
base_weight = component_pct * overlap
for field in USDA_USABLE_HORIZON_FIELDS:
value = to_float(row.get(field))
if value is None:
continue
numerators[field] += value * base_weight
denominators[field] += base_weight
return {
field: (numerators[field] / denominators[field]) if denominators[field] > 0 else None
for field in USDA_USABLE_HORIZON_FIELDS
}
def fetch_soilgrids_with_fallback(lat: float, lon: float) -> dict[str, Any]:
for dy in SOILGRIDS_QUERY_OFFSETS_M:
for dx in SOILGRIDS_QUERY_OFFSETS_M:
candidate_lat = lat + meters_to_lat_deg(dy)
candidate_lon = lon + meters_to_lon_deg(dx, lat)
payload = fetch_json(
"https://rest.isric.org/soilgrids/v2.0/properties/query",
{
"lat": candidate_lat,
"lon": candidate_lon,
**repeat_params("property", SOIL_PROPERTIES),
**repeat_params("depth", SOIL_DEPTHS),
"value": "mean",
},
)
layers = extract_soil_layers(payload)
if layers:
return payload
raise RuntimeError(f"Unable to retrieve SoilGrids values near lat={lat}, lon={lon}")
def parse_soilgrids_payload(payload: dict[str, Any]) -> dict[str, float | None]:
result: dict[str, float | None] = {}
for layer in extract_soil_layers(payload):
property_name = layer["name"]
d_factor = layer.get("unit_measure", {}).get("d_factor", 1) or 1
for depth in layer.get("depths", []):
depth_label = depth["label"].replace("cm", "cm").replace("-", "_to_")
mean_value = depth.get("values", {}).get("mean")
conventional_value = None if mean_value is None else round(float(mean_value) / float(d_factor), 4)
suffix = soil_property_suffix(property_name)
result[f"soil_{property_name}_{depth_label}_{suffix}"] = conventional_value
return result
def empty_soil_row() -> dict[str, float | None]:
out: dict[str, float | None] = {}
for property_name in SOIL_PROPERTIES:
suffix = soil_property_suffix(property_name)
for depth in SOIL_DEPTHS:
depth_label = depth.replace("-", "_to_")
out[f"soil_{property_name}_{depth_label}_{suffix}"] = None
out.update(
{
"soil_source_name": None,
"soil_source_status": None,
"soil_query_offset_dx_m": None,
"soil_query_offset_dy_m": None,
"soil_query_lat": None,
"soil_query_lon": None,
}
)
return out
def extract_soil_layers(payload: dict[str, Any]) -> list[dict[str, Any]]:
if "properties" in payload and isinstance(payload["properties"], dict):
return payload["properties"].get("layers", [])
if payload.get("features"):
return payload["features"][0]["properties"].get("layers", [])
return []
def soil_property_suffix(property_name: str) -> str:
return SOIL_COLUMN_SUFFIXES[property_name]
def update_top_manifest(dataset_card: dict[str, Any]) -> None:
manifest = json.loads(TOP_MANIFEST_PATH.read_text()) if TOP_MANIFEST_PATH.exists() else {"datasets": {}}
manifest.setdefault("datasets", {})
manifest["datasets"]["zone_state_bootstrap"] = {
"dataset": "zone_state_bootstrap",
"description": dataset_card["description"],
"records": dataset_card["records"],
"field_id": dataset_card["field_id"],
"boundary_mode": dataset_card["boundary_mode"],
"history_window": dataset_card["history_window"],
"forecast_window": dataset_card["forecast_window"],
"output_path": str(OUTPUT_PATH),
"dataset_card_path": str(DATASET_CARD_PATH),
}
blocked = manifest.get("blocked", {})
blocked.pop("zone_state_bootstrap", None)
if dataset_card["boundary_mode"] == "provisional_demo":
blocked["field_specific_replacement"] = "Current zone_state_bootstrap is built from a provisional demo field. Replace data/raw/field/field_boundary.geojson with the actual field polygon and rebuild before deployment."
if blocked:
manifest["blocked"] = blocked
elif "blocked" in manifest:
manifest.pop("blocked")
TOP_MANIFEST_PATH.write_text(json.dumps(manifest, indent=2, sort_keys=True))
def fetch_json(base_url: str, params: dict[str, Any]) -> dict[str, Any]:
url = f"{base_url}?{urlencode(params, doseq=True)}"
with urlopen(url, timeout=120) as response:
return json.loads(response.read().decode("utf-8"))
def post_json(url: str, params: dict[str, Any]) -> dict[str, Any]:
data = urlencode(params, doseq=True).encode()
request = Request(url, data=data)
with urlopen(request, timeout=120) as response:
return json.loads(response.read().decode("utf-8"))
def repeat_params(key: str, values: list[str]) -> dict[str, list[str]]:
return {key: values}
def summarize_statuses(statuses: list[str]) -> str:
counts = pd.Series(statuses).value_counts().sort_index()
return ", ".join(f"{status}:{count}" for status, count in counts.items())
def to_float(value: Any) -> float | None:
if value in (None, "", "NULL"):
return None
try:
return float(value)
except (TypeError, ValueError):
return None
def meters_to_lat_deg(meters: float) -> float:
return meters / 111_320.0
def meters_to_lon_deg(meters: float, latitude_deg: float) -> float:
return meters / (111_320.0 * math.cos(math.radians(latitude_deg)))
if __name__ == "__main__":
main()
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