import os.path

from glob import glob

from PIL import ImageFont

def available():

"""

Returns list of available font names.

"""

font_dir = os.path.dirname(__file__)

names = [os.path.basename(os.path.splitext(f)[0]) for f in glob(os.path.join(font_dir, '*.pil'))]

return sorted(names)

def load(name):

"""

Loads the font specified by name and returns it as an instance of

`PIL.ImageFont <http://pillow.readthedocs.io/en/latest/reference/ImageFont.html>`_

class.

"""

try:

font_dir = os.path.dirname(__file__)

pil_file = os.path.join(font_dir, '{}.pil'.format(name))

return ImageFont.load(pil_file)

except FileNotFoundError:

raise Exception('Failed to load font "{}". '.format(name) +

'Check ev3dev.fonts.available() for the list of available fonts')