xref: /aosp_15_r20/external/bazel-skylib/lib/structs.bzl (revision bcb5dc7965af6ee42bf2f21341a2ec00233a8c8a)
1# Copyright 2017 The Bazel Authors. All rights reserved.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#    http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15"""Skylib module containing functions that operate on structs."""
16
17def _to_dict(s):
18    """Converts a `struct` to a `dict`.
19
20    Args:
21      s: A `struct`.
22
23    Returns:
24      A `dict` whose keys and values are the same as the fields in `s`. The
25      transformation is only applied to the struct's fields and not to any
26      nested values.
27    """
28
29    # to_json()/to_proto() are disabled by --incompatible_struct_has_no_methods
30    # and will be removed entirely in a future Bazel release.
31    return {
32        key: getattr(s, key)
33        for key in dir(s)
34        if key != "to_json" and key != "to_proto"
35    }
36
37structs = struct(
38    to_dict = _to_dict,
39)
40