# -*- coding: utf-8 -*-
# Copyright (c) 2018-2020 <NAME> <<EMAIL>>.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holders nor the names of its
#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGE.


def to_tuple(obj):
    """Tuple Converter

    Takes any object and converts it to a tuple.
    If the object is already a tuple it is just returned,
    If the object is None an empty tuple is returned,
    Else a tuple is created with the object as it's first element.

    Args:
        obj (any object): the object to be converted

    Returns:
        A tuple containing the given object
    """
    if isinstance(obj, list):
        return tuple(obj)
    elif isinstance(obj, tuple):
        return obj
    elif obj is None:
        return ()
    else:
        return (obj, )


def to_list(obj):
    """List Converter

    Takes any object and converts it to a `list`.
    If the object is already a `list` it is just returned,
    If the object is None an empty `list` is returned,
    Else a `list` is created with the object as it's first element.

    Args:
        obj (any object): the object to be converted

    Returns:
        A list containing the given object
    """
    if isinstance(obj, list):
        return obj
    elif isinstance(obj, tuple):
        return list(obj)
    elif obj is None:
        return []
    else:
        return [obj, ]

# -*- coding: utf-8 -*-
# Copyright (c) 2018-2020 <NAME> <<EMAIL>>.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holders nor the names of its
#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGE.


def to_tuple(obj):
    """Tuple Converter

    Takes any object and converts it to a tuple.
    If the object is already a tuple it is just returned,
    If the object is None an empty tuple is returned,
    Else a tuple is created with the object as it's first element.

    Args:
        obj (any object): the object to be converted

    Returns:
        A tuple containing the given object
    """
    if isinstance(obj, list):
        return tuple(obj)
    elif isinstance(obj, tuple):
        return obj
    elif obj is None:
        return ()
    else:
        return (obj, )


def to_list(obj):
    """List Converter

    Takes any object and converts it to a `list`.
    If the object is already a `list` it is just returned,
    If the object is None an empty `list` is returned,
    Else a `list` is created with the object as it's first element.

    Args:
        obj (any object): the object to be converted

    Returns:
        A list containing the given object
    """
    if isinstance(obj, list):
        return obj
    elif isinstance(obj, tuple):
        return list(obj)
    elif obj is None:
        return []
    else:
        return [obj, ]

# -*- coding: utf-8 -*- # Copyright (c) 2018-2020 <NAME> <<EMAIL>>. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright notice, this #   list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright notice, #   this list of conditions and the following disclaimer in the documentation #   and/or other materials provided with the distribution. # # * Neither the name of the copyright holders nor the names of its #   contributors may be used to endorse or promote products derived from #   this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF # THE POSSIBILITY OF SUCH DAMAGE. Tuple Converter      Takes any object and converts it to a tuple.     If the object is already a tuple it is just returned,     If the object is None an empty tuple is returned,     Else a tuple is created with the object as it's first element.      Args:         obj (any object): the object to be converted      Returns:         A tuple containing the given object List Converter      Takes any object and converts it to a `list`.     If the object is already a `list` it is just returned,     If the object is None an empty `list` is returned,     Else a `list` is created with the object as it's first element.      Args:         obj (any object): the object to be converted      Returns:         A list containing the given object