public_server.py 文件源码

def download(self, fspath, mime_type=None):

        if os.path.exists(fspath):
            if mime_type is None:
                mime_type, encoding = mimetypes.guess_type(fspath)
            if mime_type is None:
                mime_type = "text/plain"
            base_filename = os.path.basename(fspath)
            self.set_header('Content-Type', mime_type)
            self.set_header('Content-Disposition', 'attachment; filename="%s"' % base_filename)
            fp = open(fspath, "rb")
            try:
                self.write(fp.read())
            except:
                print("IO error reading: " + fspath)
            finally:
                fp.close()
        else:
            raise web.HTTPError(404)