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https://github.com/searxng/searxng.git
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Author Notes - wttr.in provides 8 hourly time forecasts per day, I assumed that they're always describing the weather for 3 hours each, starting at 1 o'clock in the morning related: - https://github.com/searxng/searxng/pull/4663 - https://github.com/searxng/searxng/issues/4885
125 lines
3.8 KiB
Python
125 lines
3.8 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""wttr.in (weather forecast service)"""
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from urllib.parse import quote
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from datetime import datetime
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from searx.result_types import EngineResults, WeatherAnswer
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from searx import weather
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about = {
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"website": "https://wttr.in",
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"wikidata_id": "Q107586666",
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"official_api_documentation": "https://github.com/chubin/wttr.in#json-output",
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"use_official_api": True,
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"require_api_key": False,
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"results": "JSON",
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}
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categories = ["weather"]
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url = "https://wttr.in/{query}?format=j1&lang={lang}"
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# adapted from https://github.com/chubin/wttr.in/blob/master/lib/constants.py
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WWO_TO_CONDITION: dict[str, weather.WeatherConditionType] = {
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"113": "clear sky",
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"116": "partly cloudy",
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"119": "cloudy",
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"122": "fair",
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"143": "fair",
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"176": "light rain showers",
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"179": "light snow showers",
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"182": "light sleet showers",
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"185": "light sleet",
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"200": "rain and thunder",
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"227": "light snow",
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"230": "heavy snow",
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"248": "fog",
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"260": "fog",
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"263": "light rain showers",
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"266": "light rain showers",
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"281": "light sleet showers",
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"284": "light snow showers",
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"293": "light rain showers",
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"296": "light rain",
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"299": "rain showers",
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"302": "rain",
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"305": "heavy rain showers",
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"308": "heavy rain",
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"311": "light sleet",
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"314": "sleet",
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"317": "light sleet",
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"320": "heavy sleet",
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"323": "light snow showers",
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"326": "light snow showers",
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"329": "heavy snow showers",
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"332": "heavy snow",
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"335": "heavy snow showers",
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"338": "heavy snow",
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"350": "light sleet",
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"353": "light rain showers",
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"356": "heavy rain showers",
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"359": "heavy rain",
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"362": "light sleet showers",
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"365": "sleet showers",
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"368": "light snow showers",
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"371": "heavy snow showers",
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"374": "light sleet showers",
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"377": "heavy sleet",
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"386": "rain showers and thunder",
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"389": "heavy rain showers and thunder",
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"392": "snow showers and thunder",
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"395": "heavy snow showers",
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}
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def request(query, params):
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params["url"] = url.format(query=quote(query), lang=params["language"])
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params["raise_for_httperror"] = False
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return params
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def _weather_data(location: weather.GeoLocation, data: dict):
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# the naming between different data objects is inconsitent, thus temp_C and
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# tempC are possible
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tempC: float = data.get("temp_C") or data.get("tempC") # type: ignore
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return WeatherAnswer.Item(
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location=location,
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temperature=weather.Temperature(unit="°C", value=tempC),
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condition=WWO_TO_CONDITION[data["weatherCode"]],
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feels_like=weather.Temperature(unit="°C", value=data["FeelsLikeC"]),
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wind_from=weather.Compass(int(data["winddirDegree"])),
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wind_speed=weather.WindSpeed(data["windspeedKmph"], unit="km/h"),
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pressure=weather.Pressure(data["pressure"], unit="hPa"),
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humidity=weather.RelativeHumidity(data["humidity"]),
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cloud_cover=data["cloudcover"],
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)
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def response(resp):
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res = EngineResults()
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if resp.status_code == 404:
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return res
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json_data = resp.json()
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geoloc = weather.GeoLocation.by_query(resp.search_params["query"])
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weather_answer = WeatherAnswer(
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current=_weather_data(geoloc, json_data["current_condition"][0]),
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service="wttr.in",
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)
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for day in json_data["weather"]:
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date = datetime.fromisoformat(day["date"])
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time_slot_len = 24 // len(day["hourly"])
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for index, forecast in enumerate(day["hourly"]):
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forecast_data = _weather_data(geoloc, forecast)
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forecast_data.datetime = weather.DateTime(date.replace(hour=index * time_slot_len + 1))
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weather_answer.forecasts.append(forecast_data)
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res.add(weather_answer)
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return res
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