depot.py 文件源码

def file_2(self, *tokens):
                """Outputs the contents of the file, named by the SHA hash
                name in the request path, directly to the client."""

                method = cherrypy.request.method
                if method == "HEAD":
                        try:
                                fhash = tokens[0]
                        except IndexError:
                                fhash = None

                        try:
                                fpath = self.repo.file(fhash,
                                    pub=self._get_req_pub())
                        except srepo.RepositoryFileNotFoundError as e:
                                raise cherrypy.HTTPError(http_client.NOT_FOUND,
                                    str(e))
                        except srepo.RepositoryError as e:
                                # Treat any remaining repository error as a 404,
                                # but log the error and include the real failure
                                # information.
                                cherrypy.log("Request failed: {0}".format(
                                    str(e)))
                                raise cherrypy.HTTPError(http_client.NOT_FOUND,
                                    str(e))

                        csize, chashes = misc.compute_compressed_attrs(fhash,
                            file_path=fpath)
                        response = cherrypy.response
                        for i, attr in enumerate(chashes):
                                response.headers["X-Ipkg-Attr-{0}".format(i)] = \
                                    "{0}={1}".format(attr, chashes[attr])

                        # set expiration of response to one day
                        self.__set_response_expires("file", 86400, 86400)

                        return serve_file(fpath, "application/data")

                return self.file_1(*tokens)