1# Copyright 2012 the V8 project authors. All rights reserved. 2# Redistribution and use in source and binary forms, with or without 3# modification, are permitted provided that the following conditions are 4# met: 5# 6# * Redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer. 8# * Redistributions in binary form must reproduce the above 9# copyright notice, this list of conditions and the following 10# disclaimer in the documentation and/or other materials provided 11# with the distribution. 12# * Neither the name of Google Inc. nor the names of its 13# contributors may be used to endorse or promote products derived 14# from this software without specific prior written permission. 15# 16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 29from os.path import exists 30from os.path import isdir 31from os.path import join 32import os 33import platform 34import re 35import subprocess 36import urllib2 37 38 39### Exit codes and their meaning. 40# Normal execution. 41EXIT_CODE_PASS = 0 42# Execution with test failures. 43EXIT_CODE_FAILURES = 1 44# Execution with no tests executed. 45EXIT_CODE_NO_TESTS = 2 46# Execution aborted with SIGINT (Ctrl-C). 47EXIT_CODE_INTERRUPTED = 3 48# Execution aborted with SIGTERM. 49EXIT_CODE_TERMINATED = 4 50# Internal error. 51EXIT_CODE_INTERNAL_ERROR = 5 52 53 54def GetSuitePaths(test_root): 55 return [ f for f in os.listdir(test_root) if isdir(join(test_root, f)) ] 56 57 58# Reads a file into an array of strings 59def ReadLinesFrom(name): 60 lines = [] 61 with open(name) as f: 62 for line in f: 63 if line.startswith('#'): continue 64 if '#' in line: 65 line = line[:line.find('#')] 66 line = line.strip() 67 if not line: continue 68 lines.append(line) 69 return lines 70 71 72def GuessOS(): 73 system = platform.system() 74 if system == 'Linux': 75 return 'linux' 76 elif system == 'Darwin': 77 return 'macos' 78 elif system.find('CYGWIN') >= 0: 79 return 'cygwin' 80 elif system == 'Windows' or system == 'Microsoft': 81 # On Windows Vista platform.system() can return 'Microsoft' with some 82 # versions of Python, see http://bugs.python.org/issue1082 83 return 'windows' 84 elif system == 'FreeBSD': 85 return 'freebsd' 86 elif system == 'OpenBSD': 87 return 'openbsd' 88 elif system == 'SunOS': 89 return 'solaris' 90 elif system == 'NetBSD': 91 return 'netbsd' 92 elif system == 'AIX': 93 return 'aix' 94 else: 95 return None 96 97 98def UseSimulator(arch): 99 machine = platform.machine() 100 return (machine and 101 (arch == "mipsel" or arch == "arm" or arch == "arm64") and 102 not arch.startswith(machine)) 103 104 105# This will default to building the 32 bit VM even on machines that are 106# capable of running the 64 bit VM. 107def DefaultArch(): 108 machine = platform.machine() 109 machine = machine.lower() # Windows 7 capitalizes 'AMD64'. 110 if machine.startswith('arm'): 111 return 'arm' 112 elif (not machine) or (not re.match('(x|i[3-6])86$', machine) is None): 113 return 'ia32' 114 elif machine == 'i86pc': 115 return 'ia32' 116 elif machine == 'x86_64': 117 return 'ia32' 118 elif machine == 'amd64': 119 return 'ia32' 120 elif machine == 's390x': 121 return 's390' 122 elif machine == 'ppc64': 123 return 'ppc' 124 else: 125 return None 126 127 128def GuessWordsize(): 129 if '64' in platform.machine(): 130 return '64' 131 else: 132 return '32' 133 134 135def IsWindows(): 136 return GuessOS() == 'windows' 137 138 139def URLRetrieve(source, destination): 140 """urllib is broken for SSL connections via a proxy therefore we 141 can't use urllib.urlretrieve().""" 142 if IsWindows(): 143 try: 144 # In python 2.7.6 on windows, urlopen has a problem with redirects. 145 # Try using curl instead. Note, this is fixed in 2.7.8. 146 subprocess.check_call(["curl", source, '-k', '-L', '-o', destination]) 147 return 148 except: 149 # If there's no curl, fall back to urlopen. 150 print "Curl is currently not installed. Falling back to python." 151 pass 152 with open(destination, 'w') as f: 153 f.write(urllib2.urlopen(source).read()) 154 155 156class FrozenDict(dict): 157 def __setitem__(self, *args, **kwargs): 158 raise Exception('Tried to mutate a frozen dict') 159 160 def update(self, *args, **kwargs): 161 raise Exception('Tried to mutate a frozen dict') 162 163 164def Freeze(obj): 165 if isinstance(obj, dict): 166 return FrozenDict((k, Freeze(v)) for k, v in obj.iteritems()) 167 elif isinstance(obj, set): 168 return frozenset(obj) 169 elif isinstance(obj, list): 170 return tuple(Freeze(item) for item in obj) 171 else: 172 # Make sure object is hashable. 173 hash(obj) 174 return obj 175