maubot/maubot/cli/cliq/cliq.py
2018-12-13 19:14:33 +02:00

91 lines
3.2 KiB
Python

# maubot - A plugin-based Matrix bot system.
# Copyright (C) 2018 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from typing import Any, Callable, Union, Optional
import functools
from prompt_toolkit.validation import Validator
from PyInquirer import prompt
import click
from ..base import app
from .validators import Required, ClickValidator
def command(help: str) -> Callable[[Callable], Callable]:
def decorator(func) -> Callable:
questions = func.__inquirer_questions__.copy()
@functools.wraps(func)
def wrapper(*args, **kwargs):
for key, value in kwargs.items():
if value is not None and (questions[key]["type"] != "confirm" or value != "null"):
questions.pop(key, None)
question_list = list(questions.values())
question_list.reverse()
resp = prompt(question_list, keyboard_interrupt_msg="Aborted!")
if not resp and question_list:
return
kwargs = {**kwargs, **resp}
func(*args, **kwargs)
return app.command(help=help)(wrapper)
return decorator
def yesno(val: str) -> Optional[bool]:
if not val:
return None
elif val.lower() in ("true", "t", "yes", "y"):
return True
elif val.lower() in ("false", "f", "no", "n"):
return False
yesno.__name__ = "yes/no"
def option(short: str, long: str, message: str = None, help: str = None,
click_type: Union[str, Callable[[str], Any]] = None, inq_type: str = None,
validator: Validator = None, required: bool = False, default: str = None,
is_flag: bool = False) -> Callable[[Callable], Callable]:
if not message:
message = long[2].upper() + long[3:]
click_type = validator.click_type if isinstance(validator, ClickValidator) else click_type
if is_flag:
click_type = yesno
def decorator(func) -> Callable:
click.option(short, long, help=help, type=click_type)(func)
if not hasattr(func, "__inquirer_questions__"):
func.__inquirer_questions__ = {}
q = {
"type": (inq_type if isinstance(inq_type, str)
else ("input" if not is_flag
else "confirm")),
"name": long[2:],
"message": message,
}
if default is not None:
q["default"] = default
if required:
q["validator"] = Required(validator)
elif validator:
q["validator"] = validator
func.__inquirer_questions__[long[2:]] = q
return func
return decorator