1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import sys
import os
import exceptions
import itertools
import re
def GetNinjaOutputDirectory(chrome_root, configuration=None):
"""Returns <chrome_root>/<output_dir>/(Release|Debug).
If either of the following environment variables are set, their
value is used to determine the output directory:
1. CHROMIUM_OUT_DIR environment variable.
2. GYP_GENERATOR_FLAGS environment variable output_dir property.
Otherwise, all directories starting with the word out are examined.
The output directory must contain {configuration}/build.ninja (if
configuration is None, both Debug and Release will be checked).
The configuration chosen is the one most recently generated/built,
but can be overriden via the <configuration> parameter.
"""
output_dirs = []
if ('CHROMIUM_OUT_DIR' in os.environ and
os.path.isdir(os.path.join(chrome_root, os.environ['CHROMIUM_OUT_DIR']))):
output_dirs = [os.environ['CHROMIUM_OUT_DIR']]
if not output_dirs:
generator_flags = os.getenv('GYP_GENERATOR_FLAGS', '').split(' ')
for flag in generator_flags:
name_value = flag.split('=', 1)
if (len(name_value) == 2 and name_value[0] == 'output_dir' and
os.path.isdir(os.path.join(chrome_root, name_value[1]))):
output_dirs = [name_value[1]]
if not output_dirs:
for f in os.listdir(chrome_root):
if re.match(r'out\b', f):
out = os.path.realpath(os.path.join(chrome_root, f))
if os.path.isdir(out):
output_dirs.append(os.path.relpath(out, start = chrome_root))
configs = ['Debug', 'Release', 'Default']
if configuration:
configs = [configuration]
def generate_paths():
for out_dir, config in itertools.product(output_dirs, configs):
path = os.path.join(chrome_root, out_dir, config)
if os.path.exists(os.path.join(path, 'build.ninja')):
yield path
def approx_directory_mtime(path):
# This is a heuristic; don't recurse into subdirectories.
paths = [path] + [os.path.join(path, f) for f in os.listdir(path)]
return max(os.path.getmtime(p) for p in paths)
try:
return max(generate_paths(), key=approx_directory_mtime)
except ValueError:
raise exceptions.RuntimeError(
'Unable to find a valid ninja output directory.')
if __name__ == '__main__':
if len(sys.argv) != 2:
raise exceptions.RuntimeError('Expected a single path argument.')
print GetNinjaOutputDirectory(sys.argv[1])
|
