Gestión de tablas, matrices y archivos - Python Programming Exercise

import pickle

class Table:
    """Represents a table with width and height."""
    def __init__(self, width, height):
        """Initialize the table with width and height."""
        self.width = width
        self.height = height

    def show_data(self):
        """Display the dimensions of the table."""
        print(f"Width: {self.width}, Height: {self.height}")


class TableManager:
    """Manages a list of tables, including saving and restoring data."""
    def __init__(self):
        """Initialize an empty list of tables."""
        self.tables = []

    def add_table(self, table):
        """Add a new table to the list."""
        self.tables.append(table)

    def dump_to_file(self, filename):
        """
        Save the list of tables to a binary file.
        :param filename: Name of the binary file.
        """
        try:
            with open(filename, 'wb') as file:
                pickle.dump(self.tables, file)
            print(f"Data successfully dumped to {filename}.")
        except Exception as e:
            print(f"Error while dumping to file: {e}")

    def restore_from_file(self, filename):
        """
        Load the list of tables from a binary file.
        :param filename: Name of the binary file.
        """
        try:
            with open(filename, 'rb') as file:
                self.tables = pickle.load(file)
            print(f"Data successfully restored from {filename}.")
        except Exception as e:
            print(f"Error while restoring from file: {e}")

    def show_all_tables(self):
        """Display data for all tables."""
        for i, table in enumerate(self.tables, start=1):
            print(f"Table {i}:")
            table.show_data()


# Main Program
if __name__ == "__main__":
    import random

    # Initialize the TableManager
    manager = TableManager()

    # Create and add 10 tables with random dimensions
    for _ in range(10):
        width = random.randint(50, 200)
        height = random.randint(50, 200)
        manager.add_table(Table(width, height))

    # Display all tables
    print("Initial table data:")
    manager.show_all_tables()

    # Dump data to a binary file
    filename = "tables_data.bin"
    manager.dump_to_file(filename)

    # Clear current tables
    manager.tables = []

    # Restore data from the binary file
    print("\nRestoring data from file...")
    manager.restore_from_file(filename)

    # Display restored tables
    print("\nRestored table data:")
    manager.show_all_tables()

 Output

Initial Table Data:

Initial table data:
Table 1:
Width: 120, Height: 180
Table 2:
Width: 150, Height: 75
...

After Restoring:

Restoring data from file...

Restored table data:
Table 1:
Width: 120, Height: 180
Table 2:
Width: 150, Height: 75
...