resources.py

#!/usr/bin/env python
#
# Copyright 2019 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os

import pygame
from pygame.compat import geterror
from pygame.constants import RLEACCEL

main_dir = os.path.split(os.path.abspath(__file__))[0]
# main_dir = 'vqe_playground/utils/data'
data_dir = os.path.join(main_dir, 'data')
# data_dir = 'vqe_playground/utils/data/'

def load_image(name, colorkey=None):
    fullname = os.path.join(data_dir, name)
    # fullname = data_dir + name
    # ßprint('fullname:', fullname)
    try:
        image = pygame.image.load(fullname)
    except pygame.error:
        print ('Cannot load image!:', fullname)
        raise SystemExit(str(geterror()))
    image = image.convert()
    if colorkey is not None:
        if colorkey is -1:
            colorkey = image.get_at((0,0))
        image.set_colorkey(colorkey, RLEACCEL)
    return image, image.get_rect()


def load_mem_image(buf, colorkey=None):
    try:
        buf.seek(0)
        image = pygame.image.load(buf)
    except pygame.error:
        print ('Cannot load mem image!:', buf)
        raise SystemExit(str(geterror()))
    image = image.convert()
    if colorkey is not None:
        if colorkey is -1:
            colorkey = image.get_at((0,0))
        image.set_colorkey(colorkey, RLEACCEL)
    return image, image.get_rect()


def load_sound(name):
    class NoneSound:
        def play(self): pass
    if not pygame.mixer or not pygame.mixer.get_init():
        return NoneSound()
    fullname = os.path.join(data_dir, name)
    try:
        sound = pygame.mixer.Sound(fullname)
    except pygame.error:
        print ('Cannot load sound: %s' % fullname)
        raise SystemExit(str(geterror()))
    return sound