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1 #!/usr/bin/env python | |
2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
3 # Use of this source code is governed by a BSD-style license that can be | |
4 # found in the LICENSE file. | |
5 | |
6 """Setup for PyAuto functional tests. | |
7 | |
8 Use the following in your scripts to run them standalone: | |
9 | |
10 # This should be at the top | |
11 import pyauto_functional | |
12 | |
13 if __name__ == '__main__': | |
14 pyauto_functional.Main() | |
15 | |
16 This script can be used as an executable to fire off other scripts, similar | |
17 to unittest.py | |
18 python pyauto_functional.py test_script | |
19 """ | |
20 | |
21 import os | |
22 import subprocess | |
23 import sys | |
24 | |
25 | |
26 def _LocatePyAutoDir(): | |
27 sys.path.append(os.path.join(os.path.dirname(__file__), | |
28 os.pardir, 'pyautolib')) | |
29 | |
30 | |
31 _LocatePyAutoDir() | |
32 import pyauto_paths | |
33 | |
34 | |
35 def RunWithCorrectPythonIfNecessary(): | |
36 """Runs this script with the correct version of python if necessary. | |
37 | |
38 Different platforms and versions of pyautolib use different python versions. | |
39 Instead of requiring testers and infrastructure to handle choosing the right | |
40 version (and architecture), this will rerun the script with the correct | |
41 version of python. | |
42 | |
43 Note, this function will either return after doing nothing, or will exit with | |
44 the subprocess's return code. | |
45 """ | |
46 def RunAgain(): | |
47 """Run the script again with the correct version of python. | |
48 | |
49 Note, this function does not return, but exits with the return code of the | |
50 child. | |
51 """ | |
52 if sys.platform == 'cygwin' or sys.platform.startswith('win'): | |
53 cmd = [sys.executable] | |
54 elif sys.platform.startswith('darwin'): | |
55 # Arch runs the specified architecture of a universal binary. Run | |
56 # the 32 bit one. | |
57 cmd = ['arch', '-i386', 'python2.6'] | |
58 elif sys.platform.startswith('linux'): | |
59 cmd = ['python2.6'] | |
60 | |
61 cmd.extend(sys.argv) | |
62 print 'Running:', ' '.join(cmd) | |
63 proc = subprocess.Popen(cmd) | |
64 proc.wait() | |
65 sys.exit(proc.returncode) | |
66 | |
67 def IsChromeOS(): | |
68 lsb_release = '/etc/lsb-release' | |
69 if sys.platform.startswith('linux') and os.path.isfile(lsb_release): | |
70 with open(lsb_release) as fp: | |
71 contents = fp.read() | |
72 return 'CHROMEOS_RELEASE_NAME=' in contents | |
73 return False | |
74 | |
75 # Ensure this is the right python version (2.6 for chrome, 2.7 for chromeOS). | |
76 if IsChromeOS(): | |
77 if sys.version_info[0:2] != (2, 7): | |
78 cmd = ['python2.7'] + sys.argv | |
79 print 'Running: ', ' '.join(cmd) | |
80 proc = subprocess.Popen(cmd) | |
81 proc.wait() | |
82 else: | |
83 if sys.version_info[0:2] != (2, 6): | |
84 RunAgain() | |
85 | |
86 # Check this is the right bitness on mac. | |
87 # platform.architecture() will not help us on mac, since multiple binaries | |
88 # are stuffed inside the universal python binary. | |
89 if sys.platform.startswith('darwin') and sys.maxint > 2**32: | |
90 # User is running 64-bit python, but we should use 32-bit. | |
91 RunAgain() | |
92 | |
93 | |
94 # Do not attempt to figure out python versions if | |
95 # DO_NOT_RESTART_PYTHON_FOR_PYAUTO is set. | |
96 if os.getenv('DO_NOT_RESTART_PYTHON_FOR_PYAUTO') is None: | |
97 RunWithCorrectPythonIfNecessary() | |
98 else: | |
99 print 'Will not try to restart with the correct version of python '\ | |
100 'as DO_NOT_RESTART_PYTHON_FOR_PYAUTO is set.' | |
101 | |
102 | |
103 try: | |
104 import pyauto | |
105 except ImportError: | |
106 print >>sys.stderr, 'Cannot import pyauto from %s' % sys.path | |
107 raise | |
108 | |
109 | |
110 class Main(pyauto.Main): | |
111 """Main program for running PyAuto functional tests.""" | |
112 | |
113 def __init__(self): | |
114 # Make scripts in this dir importable | |
115 sys.path.append(os.path.dirname(__file__)) | |
116 pyauto.Main.__init__(self) | |
117 | |
118 def TestsDir(self): | |
119 return os.path.dirname(__file__) | |
120 | |
121 | |
122 if __name__ == '__main__': | |
123 Main() | |
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