vcsserver/type_utils.py

# RhodeCode VCSServer provides access to different vcs backends via network.
# Copyright (C) 2014-2020 RhodeCode GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA


import logging

log = logging.getLogger(__name__)


def str2bool(str_):
    """
    returns True/False value from given string, it tries to translate the
    string into boolean

    :param str_: string value to translate into boolean
    :rtype: boolean
    :returns: boolean from given string
    """
    if str_ is None:
        return False
    if str_ in (True, False):
        return str_
    str_ = str(str_).strip().lower()
    return str_ in ('t', 'true', 'y', 'yes', 'on', '1')


def aslist(obj, sep=None, strip=True) -> list:
    """
    Returns given string separated by sep as list

    :param obj:
    :param sep:
    :param strip:
    """
    if isinstance(obj, str):
        if obj in ['', ""]:
            return []

        lst = obj.split(sep)
        if strip:
            lst = [v.strip() for v in lst]
        return lst
    elif isinstance(obj, (list, tuple)):
        return obj
    elif obj is None:
        return []
    else:
        return [obj]


def assert_bytes(input_type, expected_types=(bytes,)):
    if not isinstance(input_type, expected_types):
        raise ValueError(f'input_types should be one of {expected_types} got {type(input_type)} instead')