105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
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"""Base class for all Weather Station implementations."""
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import datetime
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import time as time_module
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from ..units.temp import fahrenheit_to_celsius, celsius_to_fahrenheit
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__all__ = ['WeatherPoint', 'Station']
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class WeatherPoint:
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"""
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Represents a single weather measurement.
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"""
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time: datetime.datetime = None
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_temperature_c: float = None # Temperature in Celsius
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_temperature_f: float = None # Temperature in Fahrenheit
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humidity: int = None # Relative humidity in percent
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dew_point_f: float = None # Dew point in Fahrenheit
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pressure: float = None # Atmospheric pressure
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rain_rate_in: float = None # Rain rate in inches
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rain_day_in: float = None # Rain inches so far today
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wind_speed_mph: float = None # Wind's speed in miles per hour
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wind_direction: int = None # Wind's direction, in degrees
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def __init__(
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self,
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time=None,
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temperature_c: float = None,
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temperature_f: float = None,
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humidity: int = None,
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dew_point_f: float = None,
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pressure: float = None,
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rain_rate_in: float = None,
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rain_day_in: float = None,
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wind_speed_mph: float = None,
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wind_direction: int = None,
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):
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self.time = time or time_module.gmtime()
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if temperature_c is not None and temperature_f is not None:
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raise ValueError('Only one of temperature_c and temperature_f can be passed.')
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if temperature_c is not None:
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self.temperature_c = temperature_c
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else:
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self.temperature_f = temperature_f
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self.humidity = humidity
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self.dew_point_f = dew_point_f
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self.pressure = pressure
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self.rain_rate_in = rain_rate_in
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self.rain_day_in = rain_day_in
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self.wind_speed_mph = wind_speed_mph
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self.wind_direction = wind_direction
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@property
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def temperature_f(self) -> float:
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if self._temperature_f is not None:
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return self._temperature_f
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elif self._temperature_c is not None:
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return celsius_to_fahrenheit(self._temperature_c)
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@temperature_f.setter
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def temperature_f(self, value: float):
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self._temperature_f = value
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self._temperature_c = None
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@property
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def temperature_c(self) -> float:
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if self._temperature_c is not None:
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return self._temperature_c
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elif self._temperature_f is not None:
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return fahrenheit_to_celsius(self._temperature_f)
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@temperature_c.setter
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def temperature_c(self, value: float):
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self._temperature_f = None
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self._temperature_c = value
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def __eq__(self, other):
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return (
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self.time == other.time and
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self._temperature_c == other._temperature_c and
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self._temperature_f == other._temperature_f and
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self.humidity == other.humidity and
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self.dew_point_f == other.dew_point_f and
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self.pressure == other.pressure and
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self.rain_rate_in == other.rain_rate_in and
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self.rain_day_in == other.rain_day_in and
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self.wind_speed_mph == other.wind_speed_mph and
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self.wind_direction == other.wind_direction
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)
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def __repr__(self):
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return str(self.__dict__)
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class Station:
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"""Base class for all Weather Station implementations."""
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def get_reading(self) -> WeatherPoint:
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"""Returns a single weather point."""
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raise NotImplementedError('Not implemented')
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