Реализовала классы проекта Фитнес-трекер

.gitignore

@@ -104,6 +104,7 @@ celerybeat.pid
 # Environments
 .env
 .venv
+.venv/
 env/
 venv/
 ENV/

homework.py

@@ -1,58 +1,148 @@
+from pyexpat.errors import messages
+
+
 class InfoMessage:
     """Информационное сообщение о тренировке."""
-    pass
+    def __init__(self,
+                 training_type: str,
+                 duration: float,
+                 distance: float,
+                 speed: float,
+                 calories: float) -> None:
+        self.training_type = training_type
+        self.duration = duration
+        self.distance = distance
+        self.speed = speed
+        self.calories = calories
+
+    def get_message(self) -> str:
+        message_result = (f'Тип тренировки: {self.training_type}; '
+                          f'Длительность: {self.duration:.3f} ч.; '
+                          f'Дистанция: {self.distance:.3f} км; '
+                          f'Ср. скорость: {self.speed:.3f} км/ч; '
+                          f'Потрачено ккал: {self.calories:.3f}.')
+        return message_result
 
 
 class Training:
     """Базовый класс тренировки."""
 
+    LEN_STEP = 0.65
+    M_IN_KM = 1000
+    MIN_IN_H = 60
+
     def __init__(self,
                  action: int,
                  duration: float,
                  weight: float,
                  ) -> None:
-        pass
+        self.action = action
+        self.duration = duration
+        self.weight = weight
 
     def get_distance(self) -> float:
         """Получить дистанцию в км."""
-        pass
+        return self.action * self.LEN_STEP / self.M_IN_KM
 
     def get_mean_speed(self) -> float:
         """Получить среднюю скорость движения."""
-        pass
+        return self.get_distance() / self.duration
 
     def get_spent_calories(self) -> float:
         """Получить количество затраченных калорий."""
         pass
 
     def show_training_info(self) -> InfoMessage:
         """Вернуть информационное сообщение о выполненной тренировке."""
-        pass
+        info = InfoMessage(
+            training_type=self.__class__.__name__,
+            duration=self.duration,
+            distance=self.get_distance(),
+            speed=self.get_mean_speed(),
+            calories=self.get_spent_calories()
+        )
+        return info
 
 
 class Running(Training):
     """Тренировка: бег."""
-    pass
+
+    CALORIES_MEAN_SPEED_MULTIPLIER = 18
+    CALORIES_MEAN_SPEED_SHIFT = 1.79
+
+    def get_spent_calories(self) -> float:
+        """Получить количество затраченных калорий при беге."""
+        return ((self.CALORIES_MEAN_SPEED_MULTIPLIER * self.get_mean_speed()
+                + self.CALORIES_MEAN_SPEED_SHIFT)
+                * self.weight / self.M_IN_KM * self.duration * self.MIN_IN_H)
 
 
 class SportsWalking(Training):
     """Тренировка: спортивная ходьба."""
-    pass
+
+    CALORIES_WEIGHT_COEFFICIENT = 0.035
+    CALORIES_WEIGHT_SPEED_COEFFICIENT = 0.029
+    SM_IN_M = 100
+    KM_H_IN_M_S = 0.278
+
+    def __init__(self,
+                 action: int,
+                 duration: float,
+                 weight: float,
+                 height: float
+                 ) -> None:
+        super().__init__(action, duration, weight)
+        self.height = height
+
+    def get_spent_calories(self) -> float:
+        """Получить количество затраченных калорий при спортивной ходьбе."""
+        return ((self.CALORIES_WEIGHT_COEFFICIENT * self.weight
+                 + ((self.get_mean_speed() * self.KM_H_IN_M_S) ** 2
+                 / (self.height / self.SM_IN_M))
+                 * self.CALORIES_WEIGHT_SPEED_COEFFICIENT
+                 * self.weight) * self.duration * self.MIN_IN_H)
 
 
 class Swimming(Training):
     """Тренировка: плавание."""
-    pass
+
+    LEN_STEP = 1.38
+    MEAN_SPEED_MULTIPLIER = 1.1
+    CALORIES_SPEED_MULTIPLIER = 2
+
+    def __init__(self,
+                 action: int,
+                 duration: float,
+                 weight: float,
+                 length_pool,
+                 count_pool
+                 ) -> None:
+        super().__init__(action, duration, weight)
+        self.length_pool = length_pool
+        self.count_pool = count_pool
+
+    def get_mean_speed(self) -> float:
+        return (self.length_pool * self.count_pool
+                / self.M_IN_KM / self.duration)
+
+    def get_spent_calories(self) -> float:
+        return ((self.get_mean_speed() + self.MEAN_SPEED_MULTIPLIER)
+                * self.CALORIES_SPEED_MULTIPLIER * self.weight * self.duration)
 
 
 def read_package(workout_type: str, data: list) -> Training:
     """Прочитать данные полученные от датчиков."""
-    pass
+    workout_type_dict = {'SWM': Swimming,
+                         'RUN': Running,
+                         'WLK': SportsWalking}
+    result = workout_type_dict[workout_type](*data)
+    return result
 
 
 def main(training: Training) -> None:
     """Главная функция."""
-    pass
+    info = training.show_training_info()
+    print(info.get_message())
 
 
 if __name__ == '__main__':
@@ -65,4 +155,3 @@ def main(training: Training) -> None:
     for workout_type, data in packages:
         training = read_package(workout_type, data)
         main(training)
-