Ejemplo n.º 1
0
Archivo: 2B.py Proyecto: etscrivner/dse
def modify_file(file_path):
    """Modifies the values in the given file.

    Arguments:
        file_path(str): A file to be modified
    """
    numbers = io.read_numbers_from_file(file_path)
    output_file = prompt_for_output_file(file_path)

    # Go through each number one at a time
    results = []

    for idx, each in enumerate(numbers):
        # Display the results up to this point
        if results:
            print 'Numbers So Far:'
            for num in results:
                print num
        # Otherwise display next number
        print 'Next Number:'
        print each
        # Let the user choose what to do with the number
        choice = io.choose_from_list(
            'What would you like to do',
            ['Keep', 'Modify', 'Delete', 'Keep Rest']
        )
        choice = choice.lower()
        if choice == 'keep':
            results.append(each)
        elif choice == 'modify':
            number = io.get_and_confirm_input("New value: ")
            results.append(float(number))
        elif choice == 'keep rest':
            results += numbers[idx:]
            break
        elif choice == 'delete':
            # Do nothing
            pass

    # Write the updated numbers to the output file
    io.write_numbers_to_file(output_file, results)
    print 'Results written to ', output_file
Ejemplo n.º 2
0
Archivo: 4B.py Proyecto: etscrivner/dse
def add_file(file_path):
    """Go through file line-by-line and ask for additions after given line.

    Arguments:
        file_path(str): The path to the file
    """
    numbers = io.read_numbers_from_file(file_path)
    output_file = prompt_for_output_file(file_path)

    # Go through each number one at a time
    results = []
    for idx, each in enumerate(numbers):
        # Display the results up to this point
        if results:
            print 'Numbers So Far:'
            for num in results:
                print num
        print 'Next number:'
        print each

        # Get the choice
        choice = io.choose_from_list(
            'What would you like to do:',
            ['Keep', 'Add Number After', 'Keep Rest'])
        choice = choice.lower()
        if choice == 'keep':
            results.append(each)
        elif choice == 'add number after':
            # Get the new number and add it to the list
            results.append(each)
            number = io.get_and_confirm_float("New number: ")
            results.append(float(number))
        elif choice == 'keep rest':
            # Add remaining numbers to results and exit loop
            results += numbers[idx:]
            break

    # Write the updated numbers to the output file
    io.write_numbers_to_file(output_file, results)
    print 'Results written to', output_file