generatemedia.py 文件源码

def get_file_path(handler, target, media_dirs, **kwargs):
    if isinstance(handler, basestring):
        path = handler % dict(kwargs, target=target)
        app, filepath = path.replace('/', os.sep).split(os.sep, 1)
        return os.path.abspath(os.path.join(media_dirs[app], filepath))

    ext = os.path.splitext(target)[1]
    owner = ''
    for app in settings.INSTALLED_APPS:
        if handler.__module__.startswith(app + '.') and len(app) > len(owner):
            owner = app
    owner = owner or handler.__module__
    name = getattr(handler, 'name', handler.__name__ + ext) % dict(kwargs,
                                                                target=target)
    assert '/' not in name
    return os.path.join(DYNAMIC_MEDIA, '%s-%s' % (owner, name))