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1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3# Copyright (c) 2021 Huawei Device Co., Ltd.
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#     http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16import optparse
17import os
18import sys
19import json
20import stat
21
22sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir,
23    os.pardir, os.pardir, os.pardir, os.pardir, "build"))
24from scripts.util import build_utils  # noqa: E402
25
26def parse_args(args):
27    args = build_utils.expand_file_args(args)
28
29    parser = optparse.OptionParser()
30    build_utils.add_depfile_option(parser)
31    parser.add_option('--output', help='fixed para file')
32    parser.add_option('--source-file', help='source para file')
33    parser.add_option('--extra', action="append", type="string", dest="extra", help='extra params')
34
35    options, _ = parser.parse_args(args)
36    return options
37
38def parse_params(line, contents):
39    line = line.strip()
40    pos = line.find('=')
41    if pos <= 0:
42        return
43    name = line[:pos]
44    value = line[pos + 1:]
45    name = name.strip()
46    value = value.strip()
47    contents[name] = value
48
49def parse_extra_params(extras, contents):
50    for extra in extras:
51        extra = extra.strip()
52        parse_params(extra, contents)
53
54def fix_para_file(options):
55    contents = {}
56
57    # Read source file
58    with open(options.source_file, 'r') as f:
59        lines = f.readlines()
60        for line in lines:
61            line = line.strip()
62            # Strip comments
63            if line.startswith('#') or not line:
64                continue
65            parse_params(line, contents)
66
67    if options.extra:
68        parse_extra_params(options.extra, contents)
69
70    flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
71    modes = stat.S_IWUSR | stat.S_IRUSR | stat.S_IWGRP | stat.S_IRGRP
72    with os.fdopen(os.open(options.output, flags, modes), 'w') as f:
73        for key in contents:
74            f.write("".join([key, "=", contents[key], '\n']))
75
76def main(args):
77    options = parse_args(args)
78
79    depfile_deps = ([options.source_file])
80
81    fix_para_file(options)
82    build_utils.write_depfile(options.depfile,
83                options.output, depfile_deps, add_pydeps=False)
84
85if __name__ == '__main__':
86    sys.exit(main(sys.argv[1:]))
87