FIX: every exercices of module 02

02/ex0/ft_first_exception.py

@@ -1,5 +1,5 @@
-def check_temperature(temp_str: str) -> int:
+def check_temperature(temp_str: str) -> int | None:
-    print("Testing temperature:", temp_str)
+    """Test if temperature is correct"""
     try:
         x = int(temp_str)
         if x > 40:
@@ -8,20 +8,21 @@ def check_temperature(temp_str: str) -> int:
             raise Exception("is too cold for plants (min 0°C)")
         else:
             print("Temperature " + temp_str + "°C is perfect for plants!")
+            return x
     except ValueError:
         print("Error: '" + temp_str + "' is not a valid number")
-        pass
     except Exception as ex:
         print("Error: " + temp_str + "°C", ex)
-        pass
+    return (None)
 
 if __name__ == "__main__":
+    print("=== Garden Temperature checker ===")
+    print("\nTesting temperature: 25")
     check_temperature("25")
-    print("")
+    print("\nTesting temperature: abc")
     check_temperature("abc")
-    print("")
+    print("\nTesting temperature: 100")
     check_temperature("100")
-    print("")
+    print("\nTesting temperature: -50")
     check_temperature("-50")
-    print("")
+    print("\nAll tests completed - program didn't crash!")
-    print("All tests completed - program didn't crash!")

02/ex1/ft_different_errors.py

@@ -1,4 +1,5 @@
 def garden_operations(case: str) -> None:
+    """Test some opereation case"""
     if case == "ValueError":
         int("abc")
     elif case == "ZeroDivisionError":
@@ -11,26 +12,29 @@ def garden_operations(case: str) -> None:
 
 
 def test_error_types() -> None:
+    """Tester function to catch errors"""
+    print("=== Garden Error Types Demo ===")
+    print("\nTesting ValueError...")
     try:
         garden_operations("ValueError")
     except ValueError:
         print("Caught ValueError: invalid literal for int()")
-
+    print("\nTesting ZeroDivisionError...")
     try:
         garden_operations("ZeroDivisionError")
     except ZeroDivisionError:
         print("Caught ZeroDivisionError: division by zero")
-
+    print("\nTesting FileNotFoundError...")
     try:
         garden_operations("FileNotFoundError")
     except FileNotFoundError as err:
         print("Caught FileNotFoundError:", err)
-
+    print("\nTesting KeyError...")
     try:
         garden_operations("KeyError")
     except KeyError as err:
         print("Caught KeyError:", err)
-
+    print("\nTesting multiple errors together...")
     try:
         garden_operations("ValueError")
     except (ValueError, KeyError, ZeroDivisionError, FileNotFoundError):
@@ -39,4 +43,4 @@ def test_error_types() -> None:
 
 if __name__ == "__main__":
     test_error_types()
-    print("All error types tested successfully!")
+    print("\nAll error types tested successfully!")

02/ex2/ft_custom_errors.py

@@ -1,33 +1,53 @@
+from typing_extensions import override
+
+
 class GardenError(Exception):
-    def __init__(self, message):
+    def __init__(self, message: str) -> None:
-        self.message = message
+        super().__init__()
-    
+        self.message: str = message
-    def __str__(self):
+
+    @override
+    def __str__(self) -> str:
         return f"Caught a garden error: {self.message}" 
 
 
 class PlantError(GardenError):
-    def __init__(self, message):
+    def __init__(self, message: str) -> None:
-        self.message = message
+        super().__init__(message)
 
-    def __str__(self):
+    @override
+    def __str__(self) -> str:
         return f"Caught PlantError: {self.message}" 
 
 
 class WaterError(GardenError):
-    def __init__(self, message):
+    def __init__(self, message: str) -> None:
-        self.message = message
+        super().__init__(message)
 
-    def __str__(self):
+    @override
+    def __str__(self) -> str:
         return f"Caught WaterError: {self.message}" 
 
 
 if __name__ == "__main__":
+    print("=== Custom Garden Errors Demo ===")
+    print("\n Testing PlantError...")
     try:
         raise PlantError("The tomato plant is wilting!")
     except PlantError as err:
         print(err)
+    print("\nTesting WaterError...")
     try:
         raise WaterError("Not enough water in the tank!")
     except WaterError as err:
         print(err)
+    print("\nTesting catching all garden errors...")
+    try:
+        raise GardenError("The tomato plant is wilting")
+    except GardenError as err:
+        print(err)
+    try:
+        raise GardenError("Not enough water in the tank")
+    except GardenError as err:
+        print(err)
+    print("\nAll custom error types work correctly !")

02/ex3/ft_finally_block.py

@@ -1,4 +1,5 @@
-def water_plants(plant_list: []) -> None:
+def water_plants(plant_list: list[str | None]) -> None:
+    """Display watering plant if plant is a string"""
     for plant in plant_list:
         if plant == None:
             raise ValueError
@@ -6,7 +7,10 @@ def water_plants(plant_list: []) -> None:
 
 
 def test_watering_system() -> None:
+    """Tester for water_plants() function"""
     plants = ["tomato", "lettuce", "carrots", None]
+    print("=== Garden Watering System ===")
+    print("\nTesting normal watering...")
     try:
         print("Opening watering system")
         water_plants(plants)
@@ -14,6 +18,7 @@ def test_watering_system() -> None:
         print("Error: Cannot water None - invalid plant!")
     finally:
         print("Closing watering system (cleanup)")
+    print("\nCleanup always happens, even with errors")
 
 
 if __name__ == "__main__":

02/ex4/ft_raise_errors.py

@@ -1,4 +1,4 @@
-def check_plant_health(plant_name, water_level, sunlight_hours):
+def check_plant_health(plant_name: str, water_level: int, sunlight_hours: int) -> None:
     if not plant_name or not plant_name[0]:
         raise ValueError("Error: Plant name cannot be empty")
     elif water_level < 1:
@@ -13,24 +13,29 @@ def check_plant_health(plant_name, water_level, sunlight_hours):
         print("Plant '" + plant_name + "' is healthy!")
 
 
-def test_plant_checks():
+def test_plant_checks() -> None:
+    print("=== Garden Plant Health Checker ===")
+    print("\nTesting good values...")
     try:
         check_plant_health("tomato", 5, 5)
     except ValueError as err:
         print(err)
+    print("\nTesting bad water level...")
     try:
         check_plant_health("salade", 0, 5)
     except ValueError as err:
         print(err)
+    print("\nTesting bad sunlight hours...")
     try:
         check_plant_health("carrots", 5, 20)
     except ValueError as err:
         print(err)
+    print("\nTesting empty plant name...")
     try:
         check_plant_health("", 5, 5)
     except ValueError as err:
         print(err)
-    print("All error raising tests completed!")
+    print("\nAll error raising tests completed!")
 
 
 if __name__ == "__main__":

02/ex5/ft_garden_management.py

@@ -1,98 +1,170 @@
-from logging import raiseExceptions
+from typing_extensions import override
+
+
+class GardenError(Exception):
+    def __init__(self, message: str) -> None:
+        super().__init__()
+        self.message: str = message
+
+    @override
+    def __str__(self) -> str:
+        return f"Caught a garden error: {self.message}" 
+
+
+class SunlightError(GardenError):
+    def __init__(self, message: str) -> None:
+        super().__init__(message)
+
+    @override
+    def __str__(self) -> str:
+        return f"Caught SunlightError: {self.message}" 
+
+
+class WaterError(GardenError):
+    def __init__(self, message: str) -> None:
+        super().__init__(message)
+
+    @override
+    def __str__(self) -> str:
+        return f"Caught WaterError: {self.message}"
 
 
 class Plant:
     __name: str
-    __water: int
+    __water_level: int
-    __sun: int
+    __sunlight_hours: int
 
-    @classmethod
+    def __init__(self, name: str, water_level: int, sunlight_hours: int) -> None:
-    def set_name(cls, name: str) -> None:
+        if name == "":
-        if not name or not name[0]:
+            raise Exception("Plant name cannot be empty")
-            raise ValueError("Name cannot be empty")
-        cls.__name = name
-
-    @classmethod
-    def set_water(cls, water: int) -> None:
-        if water < 0:
-            raise ValueError("Water level cannot be negative")
-        cls.__water = water
-
-    @classmethod
-    def set_sun(cls, sun: int) -> None:
-        if sun < 0:
-            raise ValueError("Sun level cannot be negative")
-        cls.__sun = sun
-
-    @classmethod
-    def get_name(cls) -> str:
-        return cls.__name
-
-    @classmethod
-    def get_water(cls) -> int:
-        return cls.__water
-
-    @classmethod
-    def get_sun(cls) -> int:
-        return cls.__sun
-
-    def __init__(self, name: str, water: int, sun: int) -> None:
         self.set_name(name)
-        self.set_water(water)
+        self.__water_level = water_level
-        self.set_sun(sun)
+        self.__sunlight_hours = sunlight_hours
+        print(f"Added {name} successfully")
+
+    def get_name(self) -> str:
+        return self.__name
+
+    def get_water_level(self) -> int:
+        return self.__water_level
+
+    def get_sunlight_hours(self) -> int:
+        return self.__sunlight_hours
+
+    def set_name(self, name: str) -> None:
+        if name == "":
+            raise Exception("Name cannot be empty")
+        self.__name = name
+
+    def set_water_level(self, water_level: int) -> None:
+        if water_level <  1:
+            raise WaterError(f"Water level {water_level} is too low (min 1)")
+        if water_level > 10:
+            raise WaterError(f"Water level {water_level} is too high (max 10)")
+        self.__water_level = water_level
+
+    def set_sunlight_hours(self, sunlight_hours: int) -> None:
+        if sunlight_hours < 2:
+            raise SunlightError(f"Sunlight hours {sunlight_hours} is too low (min 2)")
+        if sunlight_hours > 12:
+            raise SunlightError(f"Sunlight hours {sunlight_hours} is too high (max 12)")
+        self.__sunlight_hours = sunlight_hours
+
+    def water_plant(self) -> None:
+        self.__water_level += 1
+        print(f"Watering {self.__name} - success")
 
 
 class GardenManager:
-    __plants: list[Plant]
+    garden: list[Plant]
     __water_tank_level: int
 
-    @classmethod
+    class WaterTankError(Exception):
-    def get_water_tank_level(cls) -> int:
+        def __init__(self, message: str) -> None:
-        return cls.__water_tank_level
+            super().__init__()
+            self.message: str = message
 
-    @classmethod
+        @override
-    def set_water_tank_level(cls, level: int) -> None:
+        def __str__(self) -> str:
-        cls.__water_tank_level = level
+            return f"Caught WaterTankError: {self.message}"
 
-    def add_plant(self, name: str, water: int, sun: int) -> None:
+
+    def __init__(self) -> None:
+        self.garden = []
+        self.__water_tank_level = 0
+
+    def get_water_tank_level(self) -> int:
+        return self.__water_tank_level
+
+    def set_water_tank_level(self, water_level: int) -> None:
         try:
-            new_plant = Plant(name, water, sun)
+            if water_level < 0:
-            i = 0
+                raise self.WaterTankError("Water level cannot be negative")
-            for n in self.__plants:
+            self.__water_tank_level = water_level
-                i = i + 1
+        except self.WaterTankError as err:
-            new_lst: list[Plant | None] = [None] * (i + 1)
+            print(err)
-            i = 0
+
-            for n in self.__plants:
+    def add_plants_to_garden(self, plants: list[tuple[str, int, int]]) -> None:
-                new_lst[i] = n
+        try:
-                i = i + 1
+            for a, b, c in plants:
-            new_lst[i] = new_plant
+                self.garden.append(Plant(a, b, c))
-            print("Added", name, "successfully")
+        except Exception as err:
-        except ValueError as err:
+            print("Error adding plant:", err)
+
+    def check_plants_health(self) -> None:
+        try:
+            for plant in self.garden:
+                if plant.get_water_level() < 1:
+                    raise WaterError(f"{plant.get_name()}: Water level {plant.get_water_level()} is too low (min 1)")
+                elif plant.get_water_level() > 10:
+                    raise WaterError(f"{plant.get_name()}: Water level {plant.get_water_level()} is too high (max 10)")
+                elif plant.get_sunlight_hours() < 2:
+                    raise SunlightError(f"{plant.get_name()}: Sunlight hours {plant.get_sunlight_hours()} is too low (min 2)")
+                elif plant.get_sunlight_hours() > 12:
+                    raise SunlightError(f"{plant.get_name()}: Sunlight hours {plant.get_sunlight_hours()} is too high (max 12)")
+                else:
+                    print(f"{plant.get_name()}: healthy (water: {plant.get_water_level()}, sun: {plant.get_sunlight_hours()})")
+        except (WaterError, SunlightError) as err:
             print(err)
 
     def water_plants(self) -> None:
-        print("Watering plants...")
+        """Watering all plants"""
         try:
             print("Opening watering system")
-            for n in self.__plants:
+            for plant in self.garden:
-                if self.__water_tank_level <= 0:
+                if self.__water_tank_level > 0:
-                    raise Exception("Caught GardenError: Not enough water in tank")
+                    plant.water_plant()
-                n.set_water(n.get_water() + 1)
+                    self.__water_tank_level -= 1
-                self.__water_tank_level = self.__water_tank_level - 1;
+                else:
-                print("Watering", n.get_name(), "- success")
+                    raise self.WaterTankError("Water tank is empty")
-        except Exception as err:
+        except self.WaterTankError as err:
-            print(err);
+            print(err)
         finally:
             print("Closing watering system (cleanup)")
 
-    def __init__(self) -> None:
+
-        self.__plants = []
+def test_garden_management() -> None:
-        self.__water_tank_level = 0
+    manager = GardenManager()
+    print("=== Garden Management System ===\n")
+    print("Adding plants to garden...")
+    manager.add_plants_to_garden([
+        ("Rose", 5, 5),
+        ("Oak", 7, 2),
+        ("Chrysantem", 2, 6),
+        ("Tomato", 10, 3),
+        ("", 8, 7)
+        ])
+    print("\nWatering plants...")
+    manager.set_water_tank_level(10)
+    manager.water_plants()
+    print("\nChecking plant health...")
+    manager.check_plants_health()
+    print("\nTesting error recovery...")
+    manager.set_water_tank_level(0)
+    manager.water_plants()
+    print("System recovered and continuing")
+    print("\nGarden management system test complet!")
 
 
 if __name__ == "__main__":
-    manager = GardenManager()
+    test_garden_management()
-    manager.set_water_tank_level(10)
-    manager.add_plant("Tomato", 2, 10)
-    manager.add_plant("Lettuce", 5, 7)
-    manager.water_plants()