Source code for cookiecutter.prompt
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
cookiecutter.prompt
---------------------
Functions for prompting the user for project info.
"""
from __future__ import unicode_literals
import sys
PY3 = sys.version > '3'
if PY3:
iteritems = lambda d: iter(d.items())
else:
input = raw_input
iteritems = lambda d: d.iteritems()
[docs]def prompt_for_config(context):
"""
Prompts the user to enter new config, using context as a source for the
field names and sample values.
"""
cookiecutter_dict = {}
for key, val in iteritems(context['cookiecutter']):
prompt = "{0} (default is \"{1}\")? ".format(key, val)
if PY3:
new_val = input(prompt.encode('utf-8'))
else:
new_val = input(prompt.encode('utf-8')).decode('utf-8')
new_val = new_val.strip()
if new_val == '':
new_val = val
cookiecutter_dict[key] = new_val
return cookiecutter_dict
[docs]def query_yes_no(question, default="yes"):
"""
Ask a yes/no question via `raw_input()` and return their answer.
:param question: A string that is presented to the user.
:param default: The presumed answer if the user just hits <Enter>.
It must be "yes" (the default), "no" or None (meaning
an answer is required of the user).
The "answer" return value is one of "yes" or "no".
Adapted from
http://stackoverflow.com/questions/3041986/python-command-line-yes-no-input
http://code.activestate.com/recipes/577058/
"""
valid = {"yes": True, "y": True, "ye": True, "no": False, "n": False}
if default is None:
prompt = " [y/n] "
elif default == "yes":
prompt = " [Y/n] "
elif default == "no":
prompt = " [y/N] "
else:
raise ValueError("invalid default answer: '%s'" % default)
while True:
sys.stdout.write(question + prompt)
choice = input().lower()
if default is not None and choice == '':
return valid[default]
elif choice in valid:
return valid[choice]
else:
sys.stdout.write("Please respond with 'yes' or 'no' "
"(or 'y' or 'n').\n")