bumblebee-status/core/theme.py

import os
import io
import json

THEME_BASE_DIR=os.path.dirname(os.path.realpath(__file__))
PATHS=[
    '.',
    os.path.join(THEME_BASE_DIR, '../themes'),
    os.path.expanduser('~/.config/bumblebee-status/themes'),
]

class Theme(object):
    def __init__(self, name='default', iconset=None, raw_data=None):
        self.name = name
        if raw_data:
            self._data = raw_data
        else:
            self._data = self.load(name)

    def load(self, name):
        for path in PATHS:
            theme_file = os.path.join(path, '{}.json'.format(name))
            if os.path.isfile(theme_file):
                with io.open(theme_file, encoding='utf-8') as data:
                    return json.load(data)
        raise RuntimeError('unable to find theme {}'.format(name))

    def fg(self, widget=None):
        return self.__get(widget, 'fg')

    def bg(self, widget=None):
        return self.__get(widget, 'bg')

    def __get(self, widget, key, default=None):
        value = default
        if 'defaults' in self._data:
            value = self._data['defaults'].get(key, value)

        return value

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