def interactiveMenu(self):
done = []
last_choice = None
while True:
# Show the user their previously completed operations and
# a suggested next op, to remind them where they are in
# the release process (useful after long operations that
# may have caused lunch or an extended context switch).
if last_choice is not None:
last_command = self.MENU_ORDER[last_choice]
else:
last_command = None
suggested_next = self.MENU_ORDER.index(
self.MENU_SUGGESTIONS[last_command])
try:
choice = io.getChoice('Main menu:', 'Your choice?',
self.MENU_STRINGS, done=done,
suggest=suggested_next)
except (KeyboardInterrupt, error.AbortedByUser):
log.info('Exiting.')
return
try:
self.MENU_ORDER[choice](self)
except error.Error, e:
log.error(str(e))
else:
done.append(choice)
last_choice = choice
def switchToBranch(self):
"""Switch to another Melange release branch"""
branches = self._listBranches()
if not branches:
raise error.ExpectationFailed(
'No branches available. Please import one.')
choice = io.getChoice('Available release branches:',
'Your choice?',
branches,
suggest=len(branches)-1)
self._switchBranch(branches[choice])