KevCav - Python 220 Assignments

students/kevin_cavanaugh/Lesson01/activities/squarer.py

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+# squarer.py
+class Squarer(object):
+
+    @staticmethod
+    def calc(operand):
+        return operand*operand
+

students/kevin_cavanaugh/Lesson01/activities/test2.py

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+# test2.py
+import unittest
+
+from squarer import Squarer
+
+
+class SquarerTest(unittest.TestCase):
+
+    def test_positive_numbers(self):
+
+        squares = {
+            1: 1,
+            2: 4,
+            3: 9,
+            12: 144,
+            100: 10000,
+        }
+
+        for num, square in squares.items():
+            self.assertEqual(square, Squarer.calc(num), "Squaring {}".format(num));
+
+    def test_negative_numbers(self):
+
+        squares = {
+            -1: 1,
+            -2: 4,
+            -3: 9,
+            -12: 144,
+            -100: 10000,
+        }
+
+        for num, square in squares.items():
+            self.assertEqual(square, Squarer.calc(num), "Squaring {}".format(num));

students/kevin_cavanaugh/Lesson01/activities/test_squarer.py

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+# test.py
+from squarer import Squarer
+
+
+class SquarerTest(object):
+
+    @staticmethod
+    def test_positive_numbers():
+
+        squares = {
+            1: 1,
+            2: 4,
+            3: 9,
+            12: 144,
+            100: 10000,
+        }
+
+        for num, square in squares.items():
+            result = Squarer.calc(num)
+
+            if result != square:
+                print("Squared {} and got {} but expected {}".format(num, result, square))
+
+    @staticmethod
+    def test_negative_numbers():
+
+        squares = {
+            -1: 1,
+            -2: 4,
+            -3: 9,
+            -12: 144,
+            -100: 10000,
+        }
+
+        for num, square in squares.items():
+            result = Squarer.calc(num)
+
+            if result != square:
+                print("Squared {} and got {} but expected {}".format(num, result, square))
+
+
+if __name__ == "__main__":
+    SquarerTest.test_positive_numbers()
+    SquarerTest.test_negative_numbers()
+

students/kevin_cavanaugh/Lesson01/assignment/README.md

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+Grading
+=======
+
+For assignment 1, you will need to supply your own unit_tests.py 
+and integration_test.py files.
+
+The assignment is graded as follows:
+1. Run the student unit_tests
+2. Run coverage and linting using the regular batch file.

students/kevin_cavanaugh/Lesson01/assignment/inventory_management/electric_appliances_class.py

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+'''
+Electric appliances class
+'''
+
+from inventory_management.inventory_class import Inventory
+
+
+class ElectricAppliances(Inventory):
+    '''
+    class for electrical appliances
+    '''
+
+    def __init__(self, product_code, description, market_price,
+                 rental_price, brand, voltage):
+        '''
+        Creates common instance variables from the parent class
+        :param product_code:
+        :param description:
+        :param market_price:
+        :param rental_price:
+        :param brand:
+        :param voltage:
+        '''
+        Inventory.__init__(self, product_code, description,
+                           market_price, rental_price)
+
+        self.brand = brand
+        self.voltage = voltage
+
+    def return_as_dictionary(self):
+        '''
+        returns electrical appliances dictionary
+        :return:
+        '''
+        output_dict = super().return_as_dictionary()
+        output_dict['brand'] = self.brand
+        output_dict['voltage'] = self.voltage
+
+        return output_dict

students/kevin_cavanaugh/Lesson01/assignment/inventory_management/furniture_class.py

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+'''
+Furniture class
+'''
+from inventory_management.inventory_class import Inventory
+
+
+class Furniture(Inventory):
+    '''
+    class of inventory for furniture
+    '''
+
+    def __init__(self, product_code, description, market_price,
+                 rental_price, material, size):
+        '''
+        Creates common instance variables from the parent class
+        :param product_code:
+        :param description:
+        :param market_price:
+        :param rental_price:
+        :param material:
+        :param size:
+        '''
+        Inventory.__init__(self, product_code, description,
+                           market_price, rental_price)
+
+        self.material = material
+        self.size = size
+
+    def return_as_dictionary(self):
+        '''
+        return furniture as a dictionary
+        :return:
+        '''
+        output_dict = super().return_as_dictionary()
+        output_dict['material'] = self.material
+        output_dict['size'] = self.size
+
+        return output_dict

students/kevin_cavanaugh/Lesson01/assignment/inventory_management/inventory_class.py

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+'''
+Inventory class
+'''
+
+
+class Inventory:
+    '''
+    class for creating inventory objects
+    '''
+
+    def __init__(self, product_code, description,
+                 market_price, rental_price):
+        '''
+        construct inventory object
+        :param product_code:
+        :param description:
+        :param market_price:
+        :param rental_price:
+        '''
+        self.product_code = product_code
+        self.description = description
+        self.market_price = market_price
+        self.rental_price = rental_price
+
+    def return_as_dictionary(self):
+        '''
+        return inventory object as a dictionary
+        :return:
+        '''
+        output_dict = {
+            'product_code': self.product_code,
+            'description': self.description,
+            'market_price': self.market_price,
+            'rental_price': self.rental_price
+        }
+
+        return output_dict

students/kevin_cavanaugh/Lesson01/assignment/inventory_management/main.py

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+'''
+Launches the user interface for the inventory management system
+'''
+import sys
+from inventory_management import market_prices
+from inventory_management import inventory_class
+from inventory_management import furniture_class
+from inventory_management import electric_appliances_class as ea
+
+
+def main_menu(user_prompt=None):
+    '''
+    produces main menu for user interface
+    :param user_prompt:
+    :return:
+    '''
+    valid_prompts = {"1": add_new_item,
+                     "2": item_info,
+                     "q": exit_program}
+    options = list(valid_prompts.keys())
+
+    while user_prompt not in valid_prompts:
+        options_str = ("{}" + ", {}" * (len(options)-1)).format(*options)
+        print(f"Please choose from the following options ({options_str}):")
+        print("1. Add a new item to the inventory")
+        print("2. Get item information")
+        print("q. Quit")
+        user_prompt = input(">")
+    return valid_prompts.get(user_prompt)
+
+
+def get_price(item_code):
+    '''
+    prints 'Get price'
+    :return:
+    '''
+
+    price = FULL_INVENTORY[item_code]['rental_price']
+
+    return price
+
+
+def add_new_item():
+    '''
+    add new inventory item
+    :return:
+    '''
+
+    item_code = input("Enter item code: ")
+    item_description = input("Enter item description: ")
+    item_rental_price = input("Enter item rental price: ")
+
+    # Get price from the market prices module
+    item_price = market_prices.get_latest_prices()
+
+    is_furniture = input("Is this item a piece of furniture? (Y/N): ")
+    if is_furniture.lower() == "y":
+        item_material = input("Enter item material: ")
+        item_size = input("Enter item size (S,M,L,XL): ")
+        new_item = furniture_class.Furniture(
+            item_code, item_description, item_price,
+            item_rental_price, item_material, item_size)
+    else:
+        is_electric_appliance = input(
+            "Is this item an electric appliance? (Y/N): ")
+        if is_electric_appliance.lower() == "y":
+            item_brand = input("Enter item brand: ")
+            item_voltage = input("Enter item voltage: ")
+            new_item = ea.ElectricAppliances(
+                item_code, item_description, item_price,
+                item_rental_price, item_brand, item_voltage)
+        else:
+            new_item = inventory_class.Inventory(
+                item_code, item_description, item_price, item_rental_price)
+    FULL_INVENTORY[item_code] = new_item.return_as_dictionary()
+    print("New inventory item added")
+    return FULL_INVENTORY[item_code]
+
+def item_info():
+    '''
+    prints info for inventory item
+    :return:
+    '''
+    item_code = input("Enter item code: ")
+    if item_code in FULL_INVENTORY:
+        print_dict = FULL_INVENTORY[item_code]
+        output = []
+        for key, value in print_dict.items():
+            print("{}:{}".format(key, value))
+        output.append(print_dict)
+    else:
+        print("Item not found in inventory")
+        output = "Item not found in inventory"
+
+    return output
+
+
+def exit_program():
+    '''
+    exits program
+    :return:
+    '''
+    sys.exit()
+
+
+FULL_INVENTORY = {}
+
+if __name__ == '__main__':
+
+    while True:
+        print(FULL_INVENTORY)
+        main_menu()()
+        input("Press Enter to continue...........")

students/kevin_cavanaugh/Lesson01/assignment/inventory_management/market_prices.py

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+"""
+Raise an exception to force the user to Mock its output
+"""
+
+
+def get_latest_prices():
+    """
+    get the latest price for an inventory item
+    """
+    return 24