def get_response(self, data={}):
# Parse the options and shuffle them, for variety.
options = self.choices
random.shuffle(options)
# Loop until the user selects the correct answer.
while True:
# Begin by printing the menu with numerical identifiers.
for i, option in enumerate(options):
colors.print_option("%d: %s" % (i+1, option))
# Get the user's choice and try to return the relevant
# answer, catching failures and restarting as appropriate.
# Note that invalid input restarts the loop here, but an
# incorrect answer will restart the loop outside of the
# scope of the function. This allows for grading.
# XXX: Try to match strings to choices, too.
try:
colors.print_inst("Select one of the numbered choices: ",
end="")
choice = int(input())-1
return options[choice]
except (ValueError, IndexError):
colors.print_help(
"Please pick an integer between 1 and %d" %
len(options))
continue
def get_response(self, data={}):
# Parse the options and shuffle them, for variety.
options = self.choices
random.shuffle(options)
# Loop until the user selects the correct answer.
while True:
# Begin by printing the menu with numerical identifiers.
for i, option in enumerate(options):
colors.print_option("%d: %s" % (i + 1, option))
# Get the user's choice and try to return the relevant
# answer, catching failures and restarting as appropriate.
# Note that invalid input restarts the loop here, but an
# incorrect answer will restart the loop outside of the
# scope of the function. This allows for grading.
# XXX: Try to match strings to choices, too.
try:
colors.print_inst("Select one of the numbered choices: ",
end="")
choice = int(input()) - 1
return options[choice]
except (ValueError, IndexError):
colors.print_help("Please pick an integer between 1 and %d" %
len(options))
continue
def execute(self):
"""Repeatedly prompts the user for lessons to run until
explictly exited."""
# Loop until user EOF.
while True:
# Present the menu.
self.menu()
try:
colors.print_inst("Selection: ", end="")
identifier = input().strip()
self.execute_lesson(identifier)
except NoSuchLessonException:
colors.print_err("No lesson: %s" % identifier)
except EOFError:
# If the user hits CTRL-D, exit.
# XXX: Tell the user this.
print()
print("Bye!")
break
def execute(self):
"""Repeatedly prompts the user for lessons to run until
explictly exited."""
# Loop until user EOF.
while True:
# Present the menu.
self.menu()
try:
colors.print_inst("Selection: ", end="")
identifier = input().strip()
self.execute_lesson(identifier)
except NoSuchLessonException:
colors.print_err("No lesson: %s" % identifier)
except EOFError:
# If the user hits CTRL-D, exit.
# XXX: Tell the user this.
print()
print("Bye!")
break
