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Brigham Young University, Idaho *

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251

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Computer Science

Date

Feb 20, 2024

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""" Course: CSE 251 Lesson: L06 Prove File: prove.py Author: <Add name here> Purpose: Processing Plant Instructions: - Implement the necessary classes to allow gifts to be created. """ import random import multiprocessing as mp import os.path import time import datetime # Include cse 251 common Python files - Don't change from cse251 import * CONTROL_FILENAME = 'settings.txt' BOXES_FILENAME = 'boxes.txt' # Settings constants MARBLE_COUNT = 'marble-count' CREATOR_DELAY = 'creator-delay' NUMBER_OF_MARBLES_IN_A_BAG = 'bag-count' BAGGER_DELAY = 'bagger-delay' ASSEMBLER_DELAY = 'assembler-delay' WRAPPER_DELAY = 'wrapper-delay' # No Global variables class Bag(): """ Bag of marbles - Don't change """ def __init__(self): self.items = [] def add(self, marble): self.items.append(marble) def get_size(self): return len(self.items) def __str__(self): return str(self.items) class Gift(): """ Gift of a large marble and a bag of marbles - Don't change Parameters: large_marble (string): The name of the large marble for this gift. marbles (Bag): A completed bag of small marbles for this gift. """

def __init__(self, large_marble, marbles): self.large_marble = large_marble self.marbles = marbles def __str__(self): marbles = str(self.marbles) marbles = marbles.replace("'", "") return f'Large marble: {self.large_marble}, marbles: {marbles[1:-1]}' class Marble_Creator(mp.Process): """ This class "creates" marbles and sends them to the bagger """ colors = ('Gold', 'Orange Peel', 'Purple Plum', 'Blue', 'Neon Silver', 'Tuscan Brown', 'La Salle Green', 'Spanish Orange', 'Pale Goldenrod', 'Orange Soda', 'Maximum Purple', 'Neon Pink', 'Light Orchid', 'Russian Violet', 'Sheen Green', 'Isabelline', 'Ruby', 'Emerald', 'Middle Red Purple', 'Royal Orange', 'Big Dip O’ruby', 'Dark Fuchsia', 'Slate Blue', 'Neon Dark Green', 'Sage', 'Pale Taupe', 'Silver Pink', 'Stop Red', 'Eerie Black', 'Indigo', 'Ivory', 'Granny Smith Apple', 'Maximum Blue', 'Pale Cerulean', 'Vegas Gold', 'Mulberry', 'Mango Tango', 'Fiery Rose', 'Mode Beige', 'Platinum', 'Lilac Luster', 'Duke Blue', 'Candy Pink', 'Maximum Violet', 'Spanish Carmine', 'Antique Brass', 'Pale Plum', 'Dark Moss Green', 'Mint Cream', 'Shandy', 'Cotton Candy', 'Beaver', 'Rose Quartz', 'Purple', 'Almond', 'Zomp', 'Middle Green Yellow', 'Auburn', 'Chinese Red', 'Cobalt Blue', 'Lumber', 'Honeydew', 'Icterine', 'Golden Yellow', 'Silver Chalice', 'Lavender Blue', 'Outrageous Orange', 'Spanish Pink', 'Liver Chestnut', 'Mimi Pink', 'Royal Red', 'Arylide Yellow', 'Rose Dust', 'Terra Cotta', 'Lemon Lime', 'Bistre Brown', 'Venetian Red', 'Brink Pink', 'Russian Green', 'Blue Bell', 'Green', 'Black Coral', 'Thulian Pink', 'Safety Yellow', 'White Smoke', 'Pastel Gray', 'Orange Soda', 'Lavender Purple', 'Brown', 'Gold', 'Blue-Green', 'Antique Bronze', 'Mint Green', 'Royal Blue', 'Light Orange', 'Pastel Blue', 'Middle Green') def __init__(self): mp.Process.__init__(self) # TODO Add any arguments and variables here def run(self): ''' for each marble: send the marble (one at a time) to the bagger - A marble is a random name from the colors list above sleep the required amount Let the bagger know there are no more marbles ''' pass

class Bagger(mp.Process): """ Receives marbles from the marble creator, then there are enough marbles, the bag of marbles are sent to the assembler """ def __init__(self): mp.Process.__init__(self) # TODO Add any arguments and variables here def run(self): ''' while there are marbles to process collect enough marbles for a bag send the bag to the assembler sleep the required amount tell the assembler that there are no more bags ''' class Assembler(mp.Process): """ Take the set of marbles and create a gift from them. Sends the completed gift to the wrapper """ marble_names = ('Lucky', 'Spinner', 'Sure Shot', 'Big Joe', 'Winner', '5-Star', 'Hercules', 'Apollo', 'Zeus') def __init__(self): mp.Process.__init__(self) # TODO Add any arguments and variables here def run(self): ''' while there are bags to process create a gift with a large marble (random from the name list) and the bag of marbles send the gift to the wrapper sleep the required amount tell the wrapper that there are no more gifts ''' class Wrapper(mp.Process): """ Takes created gifts and "wraps" them by placing them in the boxes file. """ def __init__(self): mp.Process.__init__(self) # TODO Add any arguments and variables here def run(self): ''' open file for writing while there are gifts to process save gift to the file with the current time sleep the required amount ''' def display_final_boxes(filename, log): """ Display the final boxes file to the log file - Don't change """ if os.path.exists(filename): log.write(f'Contents of {filename}') with open(filename) as boxes_file: for line in boxes_file:

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log.write(line.strip()) else: log.write_error(f'The file {filename} doesn\'t exist. No boxes were created.') def main(): """ Main function """ log = Log(show_terminal=True) log.start_timer() # Load settings file settings = load_json_file(CONTROL_FILENAME) if settings == {}: log.write_error(f'Problem reading in settings file: {CONTROL_FILENAME}') return log.write(f'Marble count = {settings[MARBLE_COUNT]}') log.write(f'Marble delay = {settings[CREATOR_DELAY]}') log.write(f'Marbles in a bag = {settings[NUMBER_OF_MARBLES_IN_A_BAG]}') log.write(f'Bagger delay = {settings[BAGGER_DELAY]}') log.write(f'Assembler delay = {settings[ASSEMBLER_DELAY]}') log.write(f'Wrapper delay = {settings[WRAPPER_DELAY]}') # TODO: create Pipes between creator -> bagger -> assembler -> wrapper # TODO create variable to be used to count the number of gifts # delete final boxes file if os.path.exists(BOXES_FILENAME): os.remove(BOXES_FILENAME) log.write('Create the processes') # TODO Create the processes (ie., classes above) log.write('Starting the processes') # TODO add code here log.write('Waiting for processes to finish') # TODO add code here display_final_boxes(BOXES_FILENAME, log) # TODO Log the number of gifts created. log.stop_timer(f'Total time') if __name__ == '__main__': main()

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