def ask(prompt='', default=None):
if prompt:
if default:
prompt = prompt + ' [' + default + ']'
prompt = prompt + ' '
answer = None
while not answer:
answer = input(prompt)
if default and not answer:
return default
return answer
def __call__(self):
releaser = self.releaser
path = releaser.config['version_file']
keyword = releaser.config['version_keyword']
releaser.old_version = version_in_python_source_file(
path, keyword=keyword)
print('Current version: {0}'.format(releaser.old_version))
releaser.the_version = input('What is the new version number? ')
# Write the new version onto the source code
version_in_python_source_file(
path, keyword=keyword, replace=releaser.the_version)
self._succeed()
def ask(prompt='', default=None):
"""Print the ``prompt``, get user's answer, return it -- or a default."""
if prompt:
if default:
prompt = prompt + ' [' + default + ']'
prompt = prompt + ' '
answer = None
while not answer:
answer = input(prompt)
if default and not answer:
return default
return answer
def pick_one_of(options, prompt='Pick one: '):
'''Lets the user pick an item by number.'''
alist = options if isinstance(options, list) else list(options)
c = 0
for o in alist:
c += 1
print(str(c).rjust(2) + ". " + str(o))
while True:
try:
opt = int(input(prompt))
except ValueError:
continue
return alist[opt - 1]
def bool_input(prompt, default=None):
'''Returns True or False based on the user's choice.'''
if default is None:
choices = ' (y/n) '
elif default:
choices = ' (Y/n) '
else:
choices = ' (y/N) '
opt = input(prompt + choices).lower()
if opt == 'y':
return True
elif opt == "n":
return False
elif not opt and default is not None:
return default
else: # Invalid answer, let's ask again
return bool_input(prompt)
def pick_one_of(options, prompt='Pick one: ', to_str=None):
"""Let the user choose an item (from a sequence of options) by number.
``to_str()`` is a callback that must take an item as argument and must
return a corresponding string to be displayed.
"""
alist = options if isinstance(options, list) else list(options)
c = 0
for o in alist:
c += 1
print(str(c).rjust(2) + ". " + to_str(o) if to_str else str(o))
while True:
try:
opt = int(input(prompt))
except ValueError:
continue
return alist[opt - 1]
