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1#!/usr/bin/env python2.7
2
3# Copyright 2015 gRPC authors.
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#     http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17import argparse
18import glob
19import os
20import shutil
21import sys
22import tempfile
23import multiprocessing
24sys.path.append(
25    os.path.join(
26        os.path.dirname(sys.argv[0]), '..', 'run_tests', 'python_utils'))
27
28assert sys.argv[1:], 'run generate_projects.sh instead of this directly'
29
30import jobset
31
32os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '..', '..'))
33
34argp = argparse.ArgumentParser()
35argp.add_argument('build_files', nargs='+', default=[])
36argp.add_argument('--templates', nargs='+', default=[])
37argp.add_argument('--output_merged', default=None, type=str)
38argp.add_argument('--jobs', '-j', default=multiprocessing.cpu_count(), type=int)
39argp.add_argument('--base', default='.', type=str)
40args = argp.parse_args()
41
42json = args.build_files
43
44test = {} if 'TEST' in os.environ else None
45
46plugins = sorted(glob.glob('tools/buildgen/plugins/*.py'))
47
48templates = args.templates
49if not templates:
50    for root, dirs, files in os.walk('templates'):
51        for f in files:
52            templates.append(os.path.join(root, f))
53
54pre_jobs = []
55base_cmd = [sys.executable, 'tools/buildgen/mako_renderer.py']
56cmd = base_cmd[:]
57for plugin in plugins:
58    cmd.append('-p')
59    cmd.append(plugin)
60for js in json:
61    cmd.append('-d')
62    cmd.append(js)
63cmd.append('-w')
64preprocessed_build = '.preprocessed_build'
65cmd.append(preprocessed_build)
66if args.output_merged is not None:
67    cmd.append('-M')
68    cmd.append(args.output_merged)
69pre_jobs.append(
70    jobset.JobSpec(cmd, shortname='preprocess', timeout_seconds=None))
71
72jobs = []
73for template in reversed(sorted(templates)):
74    root, f = os.path.split(template)
75    if os.path.splitext(f)[1] == '.template':
76        out_dir = args.base + root[len('templates'):]
77        out = out_dir + '/' + os.path.splitext(f)[0]
78        if not os.path.exists(out_dir):
79            os.makedirs(out_dir)
80        cmd = base_cmd[:]
81        cmd.append('-P')
82        cmd.append(preprocessed_build)
83        cmd.append('-o')
84        if test is None:
85            cmd.append(out)
86        else:
87            tf = tempfile.mkstemp()
88            test[out] = tf[1]
89            os.close(tf[0])
90            cmd.append(test[out])
91        cmd.append(args.base + '/' + root + '/' + f)
92        jobs.append(jobset.JobSpec(cmd, shortname=out, timeout_seconds=None))
93
94jobset.run(pre_jobs, maxjobs=args.jobs)
95jobset.run(jobs, maxjobs=args.jobs)
96
97if test is not None:
98    for s, g in test.iteritems():
99        if os.path.isfile(g):
100            assert 0 == os.system('diff %s %s' % (s, g)), s
101            os.unlink(g)
102        else:
103            assert 0 == os.system('diff -r %s %s' % (s, g)), s
104            shutil.rmtree(g, ignore_errors=True)
105