publisher.py 文件源码

def __string_to_cert(s, pkg_hash=None):
                """Convert a string to a X509 cert."""

                try:
                        return x509.load_pem_x509_certificate(
                            misc.force_bytes(s), default_backend())
                except ValueError:
                        if pkg_hash is not None:
                                raise api_errors.BadFileFormat(_("The file "
                                    "with hash {0} was expected to be a PEM "
                                    "certificate but it could not be "
                                    "read.").format(pkg_hash))
                        raise api_errors.BadFileFormat(_("The following string "
                            "was expected to be a PEM certificate, but it "
                            "could not be parsed as such:\n{0}".format(s)))