diff options
Diffstat (limited to 'ipalib/cli.py')
| -rw-r--r-- | ipalib/cli.py | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/ipalib/cli.py b/ipalib/cli.py index 99f236bb4..5e1365dc3 100644 --- a/ipalib/cli.py +++ b/ipalib/cli.py @@ -527,6 +527,47 @@ class textui(backend.Backend): return None return self.decode(data) + def prompt_yesno(self, label, default=None): + """ + Prompt user for yes/no input. This method returns True/False according + to user response. + + Parameter "default" should be True, False or None + + If Default parameter is not None, user can enter an empty input instead + of Yes/No answer. Value passed to Default is returned in that case. + + If Default parameter is None, user is asked for Yes/No answer until + a correct answer is provided. Answer is then returned. + + In case of an error, a None value may returned + """ + + default_prompt = None + if default is not None: + if default: + default_prompt = "Yes" + else: + default_prompt = "No" + + if default_prompt: + prompt = u'%s Yes/No (default %s): ' % (label, default_prompt) + else: + prompt = u'%s Yes/No: ' % label + + while True: + try: + data = raw_input(self.encode(prompt)).lower() + except EOFError: + return None + + if data in (u'yes', u'y'): + return True + elif data in ( u'n', u'no'): + return False + elif default is not None and data == u'': + return default + def prompt_password(self, label): """ Prompt user for a password or read it in via stdin depending @@ -1032,6 +1073,9 @@ class cli(backend.Executioner): param.label ) + for callback in getattr(cmd, 'INTERACTIVE_PROMPT_CALLBACKS', []): + callback(kw) + def load_files(self, cmd, kw): """ Load files from File parameters. |