annotate config.py @ 128:42c8f5c152a5

Fixed EINTR fatally breaking poll/wait on Python 2.6- (for real this time)
author Oleg Oshmyan <chortos@inbox.lv>
date Mon, 16 May 2011 21:31:43 +0100
parents 6589511f5418
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # Copyright (c) 2010-2011 Chortos-2 <chortos@inbox.lv>
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2
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3 from __future__ import division, with_statement
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4
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5 from compat import *
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6 import files
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7 from __main__ import options
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8
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9 if files.ZipArchive:
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10 try:
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11 import zipimport
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12 except ImportError:
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13 zipimport = None
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14 else:
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15 zipimport = None
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16
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17 import imp, os, sys, tempfile
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18
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19 __all__ = 'load_problem', 'load_global', 'globalconf'
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20
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21 defaults_problem = {'kind': 'batch',
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22 'usegroups': False,
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23 'maxcputime': None,
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24 'maxwalltime': None,
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25 'maxmemory': None,
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26 'dummies': (),
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27 'testsexcluded': (),
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28 'padtests': 0,
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29 'paddummies': 0,
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30 'taskweight': 100,
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31 'groupweight': {},
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32 'pointmap': {},
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33 'stdio': False,
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34 'dummyinname': '',
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35 'dummyoutname': '',
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36 'tester': None,
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37 'maxexitcode': 0,
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38 'inname': '',
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39 'ansname': ''}
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40 defaults_global = {'problems': None,
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41 'force_zero_exitcode': True}
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42 defaults_noerase = {'inname': '%.in',
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43 'outname': '%.out',
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44 'ansname': '%.ans'}
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45 patterns = ('inname', 'outname', 'ansname', 'testcaseinname',
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46 'testcaseoutname', 'dummyinname', 'dummyoutname')
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47
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48 class Config(object):
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49 __slots__ = 'modules', '__dict__'
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50
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51 def __init__(self, *modules):
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52 self.modules = modules
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53
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54 def __getattr__(self, name):
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55 for module in self.modules:
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56 try:
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57 return getattr(module, name)
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58 except AttributeError:
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59 pass
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60 # TODO: provide a message
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61 raise AttributeError(name)
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62
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63 # A helper context manager
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64 class ReadDeleting(object):
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65 __slots__ = 'name', 'file'
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66
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67 def __init__(self, name):
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68 self.name = name
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69
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70 def __enter__(self):
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71 try:
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72 self.file = open(self.name, 'rU')
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73 return self.file
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74 except:
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75 try:
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76 self.__exit__(None, None, None)
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77 except:
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78 pass
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79 raise
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80
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81 def __exit__(self, exc_type, exc_val, exc_tb):
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82 self.file.close()
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83 os.remove(self.name)
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84
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85 def load_problem(problem_name):
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86 global builtins
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87 try:
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88 dwb = sys.dont_write_bytecode
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89 sys.dont_write_bytecode = True
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90 except AttributeError:
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91 pass
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92 metafile = files.File('/'.join((problem_name, 'testconf.py')), True, 'configuration')
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93 module = None
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94 with CompatBuiltins() as builtins:
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95 if zipimport and isinstance(metafile.archive, files.ZipArchive):
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96 try:
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97 module = zipimport.zipimporter(os.path.dirname(metafile.full_real_path)).load_module('testconf')
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98 except zipimport.ZipImportError:
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99 pass
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100 else:
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101 del sys.modules['testconf']
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102 if not module:
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103 try:
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104 with metafile.open() as f:
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105 module = imp.load_module('testconf', f, metafile.full_real_path, ('.py', 'r', imp.PY_SOURCE))
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106 # Handle the case when f is not a true file object but imp requires one
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107 except ValueError:
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108 # FIXME: 2.5 lacks the delete parameter
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109 with tempfile.NamedTemporaryFile(delete=False) as f:
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110 inputdatafname = f.name
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111 metafile.copy(inputdatafname)
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112 with ReadDeleting(inputdatafname) as f:
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113 module = imp.load_module('testconf', f, metafile.full_real_path, ('.py', 'r', imp.PY_SOURCE))
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114 del sys.modules['testconf']
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115 module = Config(module, globalconf)
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116 if hasattr(module, 'padwithzeroestolength'):
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117 if not hasattr(module, 'padtests'):
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118 try:
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119 module.padtests = module.padwithzeroestolength[0]
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120 except TypeError:
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121 module.padtests = module.padwithzeroestolength
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122 if not hasattr(module, 'paddummies'):
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123 try:
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124 module.paddummies = module.padwithzeroestolength[1]
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125 except TypeError:
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126 module.paddummies = module.padwithzeroestolength
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127 if (not hasattr(module, 'maxcputime') and
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128 not hasattr(module, 'maxwalltime') and
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129 hasattr(module, 'maxtime')):
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130 module.maxcputime = module.maxtime
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131 for name in defaults_problem:
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132 setattr(module, name, getattr(module, name, defaults_problem[name]))
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133 if not module.dummyinname:
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134 module.dummyinname = getattr(module, 'testcaseinname', module.dummyinname)
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135 if not module.dummyoutname:
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136 module.dummyoutname = getattr(module, 'testcaseoutname', module.dummyoutname)
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137 if not hasattr(module, 'path'):
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138 if hasattr(module, 'name'):
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139 module.path = module.name
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140 elif sys.platform != 'win32':
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141 module.path = os.path.join(os.path.curdir, problem_name)
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142 else:
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143 module.path = problem_name
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144 for name in 'pointmap', 'groupweight':
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145 oldmap = getattr(module, name)
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146 if isinstance(oldmap, dict):
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147 newmap = {}
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148 for key in oldmap:
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149 if not options.legacy and isinstance(key, basestring):
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150 newmap[key] = oldmap[key]
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151 else:
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152 try:
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153 for k in key:
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154 newmap[k] = oldmap[key]
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155 except TypeError:
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156 newmap[key] = oldmap[key]
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157 setattr(module, name, newmap)
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ec6f1a132109 A pretty usable version
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158 if options.no_maxtime:
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06356af50bf9 Finished testcases reorganization and CPU time limit implementation
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159 module.maxcputime = module.maxwalltime = 0
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160 try:
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161 sys.dont_write_bytecode = dwb
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162 except NameError:
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163 pass
24
c23d81f4a1a3 Score returned by TestCase.__call__() is now normalized to 0..1
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164 for name in patterns:
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165 if hasattr(module, name):
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166 setattr(module, name, getattr(module, name).replace('%', problem_name))
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167 return module
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ec6f1a132109 A pretty usable version
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168
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169 def load_global():
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b9d5857f7b9a Better emulation of built-ins for testconf
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170 global builtins
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171 try:
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172 dwb = sys.dont_write_bytecode
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173 sys.dont_write_bytecode = True
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174 except AttributeError:
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175 pass
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ec6f1a132109 A pretty usable version
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176 metafile = files.File('testconf.py', True, 'configuration')
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177 module = None
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178 with CompatBuiltins() as builtins:
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179 if zipimport and isinstance(metafile.archive, files.ZipArchive):
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180 try:
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181 module = zipimport.zipimporter(os.path.dirname(metafile.full_real_path)).load_module('testconf')
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182 except zipimport.ZipImportError:
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183 pass
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184 else:
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185 del sys.modules['testconf']
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186 if not module:
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187 try:
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188 with metafile.open() as f:
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189 module = imp.load_module('testconf', f, metafile.full_real_path, ('.py', 'r', imp.PY_SOURCE))
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190 # Handle the case when f is not a true file object but imp requires one
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191 except ValueError:
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192 # FIXME: 2.5 lacks the delete parameter
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193 with tempfile.NamedTemporaryFile(delete=False) as f:
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194 inputdatafname = f.name
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195 metafile.copy(inputdatafname)
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196 with ReadDeleting(inputdatafname) as f:
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197 module = imp.load_module('testconf', f, metafile.full_real_path, ('.py', 'r', imp.PY_SOURCE))
21
ec6f1a132109 A pretty usable version
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198 del sys.modules['testconf']
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199 for name in defaults_global:
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200 setattr(module, name, getattr(module, name, defaults_global[name]))
43
81f58c938ec5 Fixed the -s option
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diff changeset
201 if not options.erase:
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diff changeset
202 for name in defaults_noerase:
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diff changeset
203 setattr(module, name, getattr(module, name, defaults_noerase[name]))
79
ee8a99dcaaed Renamed configuration variable tasknames to problems
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diff changeset
204 if hasattr(module, 'tasknames'):
ee8a99dcaaed Renamed configuration variable tasknames to problems
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diff changeset
205 module.problems = module.tasknames
21
ec6f1a132109 A pretty usable version
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diff changeset
206 global globalconf
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diff changeset
207 globalconf = module
83
37c4ad87583c Several small fixes
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diff changeset
208 try:
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diff changeset
209 sys.dont_write_bytecode = dwb
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diff changeset
210 except NameError:
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diff changeset
211 pass
21
ec6f1a132109 A pretty usable version
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diff changeset
212 return module