fields.py 文件源码

def _check_sprite_attribute(self, **kwargs):
        if not self.sprite:
            return [
                checks.Error(
                    'sprite file path required',
                    obj=self
                )
            ]
        else:
            for finder in get_finders():
                result = finder.find(self.sprite, all=True)
                if result:
                    return []
            else:
                return [
                    checks.Error(
                        'sprite file not found: %s' % self.sprite,
                        obj=self
                    )
                ]