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# Copyright (C) 2023 Canonical, Ltd. # Author: Lukas Märdian <slyon@ubuntu.com> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; version 3. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. from io import StringIO import json import os from typing import Union, List, IO from ._netplan_cffi import lib from .netdef import NetDefinition, NetDefinitionIterator from .parser import Parser from .state import State from ._utils import _checked_lib_call from ._utils import (NetplanException, NetplanBackendException, NetplanEmitterException, NetplanFileException, NetplanFormatException, NetplanParserException, NetplanValidationException) def _dump_yaml_subtree(prefix: List[str], input_file: IO, output_file: IO): if isinstance(input_file, StringIO): input_fd = os.memfd_create(name='netplan_temp_input_file') data = input_file.getvalue() os.write(input_fd, data.encode('utf-8')) os.lseek(input_fd, 0, os.SEEK_SET) else: input_fd = input_file.fileno() if isinstance(output_file, StringIO): output_fd = os.memfd_create(name='netplan_temp_output_file') else: output_fd = output_file.fileno() _checked_lib_call(lib.netplan_util_dump_yaml_subtree, '\t'.join(prefix).encode('utf-8'), input_fd, output_fd) if isinstance(input_file, StringIO): os.close(input_fd) if isinstance(output_file, StringIO): size = os.lseek(output_fd, 0, os.SEEK_CUR) os.lseek(output_fd, 0, os.SEEK_SET) data = os.read(output_fd, size) output_file.write(data.decode('utf-8')) os.close(output_fd) def _create_yaml_patch(patch_object_path: List[str], patch_payload: Union[str, dict], patch_output: IO): if isinstance(patch_payload, dict): patch_payload = json.dumps(patch_payload) _checked_lib_call(lib.netplan_util_create_yaml_patch, '\t'.join(patch_object_path).encode('utf-8'), patch_payload.encode('utf-8'), patch_output.fileno()) # Re-export submodules __all__ = [Parser, State, NetDefinition, NetDefinitionIterator, _dump_yaml_subtree, _create_yaml_patch, NetplanException, NetplanBackendException, NetplanEmitterException, NetplanFileException, NetplanFormatException, NetplanParserException, NetplanValidationException]