django.py 文件源码

def configure_from_settings(self, settings):
        # Default configuration
        self.charset = settings.FILE_CHARSET
        self.autorefresh = settings.DEBUG
        self.use_finders = settings.DEBUG
        self.static_prefix = urlparse(settings.STATIC_URL or '').path
        if settings.DEBUG:
            self.max_age = 0
        # Allow settings to override default attributes
        for attr in self.config_attrs:
            settings_key = 'WHITENOISE_{0}'.format(attr.upper())
            try:
                value = getattr(settings, settings_key)
            except AttributeError:
                pass
            else:
                value = decode_if_byte_string(value)
                setattr(self, attr, value)
        self.static_prefix = ensure_leading_trailing_slash(self.static_prefix)
        self.static_root = decode_if_byte_string(settings.STATIC_ROOT)