Source code for parce.themes

# -*- coding: utf-8 -*-
#
# This file is part of the parce Python package.
#
# Copyright © 2019-2020 by Wilbert Berendsen <info@wilbertberendsen.nl>
#
# This module 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 module 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, see <https://www.gnu.org/licenses/>.

"""
This directory contains the CSS files for the bundled themes.

See the :doc:`theme <theme>` module for the supporting code.

"""


import fnmatch


def filename(name):
    """Convert theme name to the CSS file in this directory.

    E.g. "default" translates to "/usr/lib/python/3.x/parce/themes/default.css",
    depending on where parce was installed.

    """
    try:
        resource_reader = __loader__.get_resource_reader()
    except AttributeError:
        resource_reader = __loader__

    return resource_reader.resource_path(name + '.css')


def get_all_themes():
    """Return the sorted list of CSS theme names in ``parce.themes``.

    Only the names are returned, without the '.css' extension.
    Files that start with an underscore are skipped.

    """
    try:
        resource_reader = __loader__.get_resource_reader()
    except AttributeError:
        resource_reader = __loader__

    names = []
    for filename in resource_reader.contents():
        if fnmatch.fnmatch(filename, "*.css") and not filename.startswith('_'):
            names.append(filename[:-4])
    names.sort()
    return names