83 lines
1.8 KiB
Python
83 lines
1.8 KiB
Python
# meteo/variables.py
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from __future__ import annotations
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from dataclasses import dataclass
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from typing import Dict, List
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@dataclass(frozen=True)
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class Variable:
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"""
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Décrit une variable météorologique exploitable dans les analyses.
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- key : identifiant interne (stable, sans espace)
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- column : nom de la colonne dans le DataFrame
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- label : libellé humain pour les graphiques
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- unit : unité d'affichage (texte libre)
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"""
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key: str
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column: str
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label: str
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unit: str
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VARIABLES: List[Variable] = [
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Variable(
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key="temperature",
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column="temperature",
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label="Température",
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unit="°C",
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),
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Variable(
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key="humidity",
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column="humidity",
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label="Humidité relative",
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unit="%",
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),
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Variable(
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key="pressure",
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column="pressure",
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label="Pression atmosphérique",
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unit="hPa",
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),
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Variable(
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key="rain_rate",
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column="rain_rate",
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label="Précipitations",
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unit="mm/h",
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),
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Variable(
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key="illuminance",
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column="illuminance",
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label="Luminance",
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unit="lx",
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),
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Variable(
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key="wind_speed",
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column="wind_speed",
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label="Vitesse du vent",
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unit="km/h",
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),
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Variable(
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key="wind_direction",
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column="wind_direction",
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label="Direction du vent",
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unit="°",
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),
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]
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VARIABLES_BY_KEY: Dict[str, Variable] = {v.key: v for v in VARIABLES}
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def iter_variable_pairs() -> list[tuple[Variable, Variable]]:
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"""
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Retourne la liste de toutes les paires (i, j) avec i < j, pour
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éviter les doublons et les diagonales.
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"""
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pairs: list[tuple[Variable, Variable]] = []
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for i, vi in enumerate(VARIABLES):
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for vj in VARIABLES[i + 1 :]:
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pairs.append((vi, vj))
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return pairs
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