alarm_clock62a.py

# alarm_clock62a.py  need to incorporate Nick's refactorization https://gist.github.com/1246851

# in alarm_clock61a.py changed get_num_tadas_from_user () and get_message_from_user()

# completed through print_summary()

from time import ctime, clock, sleep
import winsound
import sys


def get_num_tadas_from_user():
    try:
        n = input("\nHow many tadas?> ")
        if not n:
            return 1
        else:
            return int(n)
    except ValueError:
        return get_num_tadas_from_user()

def get_message_from_user():
    """
    The message is printed when the alarm rings.
    The idea is that the message will tell the user the reason
    for the alarm. Examples are, "Feed the cat", "Go to bed", "Write to Nick".
    """
    print("""
    Enter a message about what the alarm ringing means,
    in case you forget, or have several alarms set.
    Enter nothing if no message.
    """)
    message = input("\nMessage?> ")
    if message == '':
        print("no message entered")
        return None
    else:
        return message

def convert_from_military_time(time):
    """Converts military time to hh:mm, raises ValueError if invalid."""
    if len(time) == 4 and time.isdigit():
        return time[:2] + ':' + time[2:]
    else:
        raise ValueError

def get_alarm_time_from_user():
    print("""
    Enter an alarm time in 24-hour time.
    Both hours and minutes should be in 2 digits, separated by a colon.
    13:00, 22:45, 02:30, 00:05
    Military time will be converted to 24-hour time
    1300 -> 13:00, 0005 -> 00:05
    """)

    alarm_time = input("alarm time?> ")

    if ':' not in alarm_time:
        alarm_time = convert_from_military_time(alarm_time)

    hour, minute = alarm_time.split(':')

    try:
        if ':' not in alarm_time:
            alarm_time = convert_from_military_time(alarm_time)

        if not (alarm_time.replace(':', '').isdigit()):
            raise ValueError

        if len(hour) != 2 or len(minute) != 2:
            raise ValueError

        if not 0 <= int(hour) < 24 or 0 <= int(minute) < 60:
            raise ValueError

        print("\nIs", alarm_time, "the time you want? Hit enter for 'yes'; enter any character for 'no'")
        if input("\nanswer?> "):
            raise ValueError
        return alarm_time

    except ValueError:
        return get_alarm_time_from_user

def today_or_tomorrow(alarm_time):
    now = ctime()[11:16]
    if time2seconds(now) > time2seconds(alarm_time):
        return "tomorrow"
    else:
        return "today"

def tada_or_tadas(num_tadas):
    """
    Make "tada" plural when appropriate.

    "tada" is one of the sounds that come with Windows: taDAH.
    """
    if num_tadas == 1:
        return "taDAH"
    else:
        return "taDAHs"

def time2seconds(hour, minute):
    """Given hour and minute as strings, return seconds as int."""
    return int(hour)*3600 + int(minute)*60

def display_current_time():
    """
    Prints the current time as 24-hour time -- but no seconds.
    13:07, 05:00, 23:59, 00:02, etc.
    Each printing overwrites the previous one.
    """
    sys.stdout.flush()
    print("The time now is", ctime()[11:16], "\r", end='')

def print_summary(alarm_time, today_tomorrow, num_tadas, message):
    print("\nThe alarm is set to ring at", alarm_time, today_tomorrow)
    if message:
        print(" with ", num_tadas, " ", tada_or_tadas(num_tadas), " and message, '", message, "'", sep='')
    else:
        print("with", num_tadas, tada_or_tadas(num_tadas), "and no message.")

def ring_alarm_when_present_time_equals_alarm_time(alarm_time, num_tadas):
    print()
    while alarm_time != ctime()[11:16]:
        sleep(0.1)
        display_current_time()
    for tada in range(0, num_tadas):
        winsound.PlaySound("/P31Working/Sounds/TaDa", winsound.SND_ALIAS)

def main():
    print("\n" * 9)
    num_tadas = get_num_tadas_from_user()
    message = get_message_from_user()
    alarm_time = get_alarm_time_from_user()
    today_tomorrow = today_or_tomorrow(alarm_time)
    print_summary(alarm_time, today_tomorrow, num_tadas, message)
    ring_alarm_when_present_time_equals_alarm_time(alarm_time, num_tadas)
    if message:
        print("\nmessage:", message, "\n")
    print()
    print("Hit Enter to close Alarm Clock")
    input()


if __name__ == '__main__':
    main()

"""
ERROR:

How many tadas?> 2

    Enter a message about what the alarm ringing means,
    in case you forget, or have several alarms set.
    Enter nothing if no message.


Message?> Feed Toby

    Enter an alarm time in 24-hour time.
    Both hours and minutes should be in 2 digits, separated by a colon.
    13:00, 22:45, 02:30, 00:05
    Military time will be converted to 24-hour time
    1300 -> 13:00, 0005 -> 00:05

alarm time?> 1500
Traceback (most recent call last):
  File "C:\P32Working\alarm_clock62a.py", line 146, in <module>
    main()
  File "C:\P32Working\alarm_clock62a.py", line 135, in main
    today_tomorrow = today_or_tomorrow(alarm_time)
  File "C:\P32Working\alarm_clock62a.py", line 86, in today_or_tomorrow
    if time2seconds(now) > time2seconds(alarm_time):
TypeError: time2seconds() takes exactly 2 arguments (1 given)
Process terminated with an exit code of 1
"""