Mercurial > ~astiob > upreckon > hgweb
annotate config.py @ 82:06356af50bf9
Finished testcases reorganization and CPU time limit implementation
We now have:
* Win32-specific code in the win32 module (including bug fixes),
* UNIX-specific and generic code in the unix module,
* a much cleaner testcases module,
* wait4-based resource limits working on Python 3 (this is a bug fix),
* no warning/error reported on non-Win32 when -x is not passed
but standard input does not come from a terminal,
* the maxtime configuration variable replaced with two new variables
named maxcputime and maxwalltime,
* CPU time reported if it can be determined unless an error occurs sooner
than it is determined (e. g. if the wall-clock time limit is exceeded),
* memory limits enforced even if Upreckon's forking already breaks them,
* CPU time limits and private virtual memory limits honoured on Win32,
* CPU time limits honoured on UNIX(-like) platforms supporting wait4
or getrusage,
* address space limits honoured on UNIX(-like) platforms supporting
setrlimit with RLIMIT_AS/RLIMIT_VMEM,
* resident set size limits honoured on UNIX(-like) platforms supporting
wait4.
| author | Oleg Oshmyan <chortos@inbox.lv> |
|---|---|
| date | Wed, 23 Feb 2011 23:35:27 +0000 |
| parents | ee8a99dcaaed |
| children | 37c4ad87583c |
| rev | line source |
|---|---|
| 21 | 1 #! /usr/bin/env python |
| 78 | 2 # Copyright (c) 2010-2011 Chortos-2 <chortos@inbox.lv> |
| 16 | 3 |
| 21 | 4 from __future__ import division, with_statement |
| 5 | |
| 6 try: | |
|
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7 from compat import * |
| 21 | 8 import files |
| 9 except ImportError: | |
| 10 import __main__ | |
| 11 __main__.import_error(sys.exc_info()[1]) | |
| 12 else: | |
| 13 from __main__ import options | |
| 14 | |
| 15 if files.ZipArchive: | |
| 16 try: | |
| 17 import zipimport | |
| 18 except ImportError: | |
| 19 zipimport = None | |
| 20 else: | |
| 21 zipimport = None | |
| 22 | |
| 22 | 23 import imp, os, sys, tempfile |
| 21 | 24 |
| 25 __all__ = 'load_problem', 'load_global', 'globalconf' | |
| 26 | |
| 74 | 27 defaults_problem = {'kind': 'batch', |
| 28 'usegroups': False, | |
|
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29 'maxcputime': None, |
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30 'maxwalltime': None, |
| 21 | 31 'maxmemory': None, |
| 32 'dummies': {}, | |
| 33 'testsexcluded': (), | |
| 34 'padtests': 0, | |
| 35 'paddummies': 0, | |
| 36 'taskweight': 100, | |
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37 'groupweight': {}, |
| 21 | 38 'pointmap': {}, |
| 39 'stdio': False, | |
| 40 'dummyinname': '', | |
| 41 'dummyoutname': '', | |
| 42 'tester': None, | |
| 43 'maxexitcode': 0, | |
| 44 'inname': '', | |
| 45 'ansname': ''} | |
|
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46 defaults_global = {'problems': None, |
| 22 | 47 'force_zero_exitcode': True} |
| 43 | 48 defaults_noerase = {'inname': '%.in', |
| 49 'outname': '%.out', | |
| 50 'ansname': '%.ans'} | |
| 21 | 51 patterns = ('inname', 'outname', 'ansname', 'testcaseinname', |
| 52 'testcaseoutname', 'dummyinname', 'dummyoutname') | |
| 53 | |
| 54 class Config(object): | |
| 55 __slots__ = 'modules', '__dict__' | |
| 56 | |
| 57 def __init__(self, *modules): | |
| 58 self.modules = modules | |
| 59 | |
| 60 def __getattr__(self, name): | |
| 61 for module in self.modules: | |
| 62 try: | |
| 63 return getattr(module, name) | |
| 64 except AttributeError: | |
| 65 pass | |
| 66 # TODO: provide a message | |
| 67 raise AttributeError(name) | |
| 16 | 68 |
| 22 | 69 # A helper context manager |
| 70 class ReadDeleting(object): | |
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71 __slots__ = 'name', 'file' |
| 22 | 72 |
| 73 def __init__(self, name): | |
| 74 self.name = name | |
| 75 | |
| 76 def __enter__(self): | |
| 77 try: | |
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78 self.file = open(self.name, 'rU') |
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79 return self.file |
| 22 | 80 except: |
| 81 try: | |
| 82 self.__exit__(None, None, None) | |
| 83 except: | |
| 84 pass | |
| 85 raise | |
| 86 | |
| 87 def __exit__(self, exc_type, exc_val, exc_tb): | |
|
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88 self.file.close() |
| 22 | 89 os.remove(self.name) |
| 90 | |
| 21 | 91 def load_problem(problem_name): |
|
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92 global builtins |
| 21 | 93 dwb = sys.dont_write_bytecode |
| 94 sys.dont_write_bytecode = True | |
| 95 metafile = files.File('/'.join((problem_name, 'testconf.py')), True, 'configuration') | |
| 96 module = None | |
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97 with CompatBuiltins() as builtins: |
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98 if zipimport and isinstance(metafile.archive, files.ZipArchive): |
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99 try: |
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100 module = zipimport.zipimporter(os.path.dirname(metafile.full_real_path)).load_module('testconf') |
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101 except zipimport.ZipImportError: |
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102 pass |
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103 else: |
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104 del sys.modules['testconf'] |
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105 if not module: |
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106 try: |
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107 with metafile.open() as f: |
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108 module = imp.load_module('testconf', f, metafile.full_real_path, ('.py', 'r', imp.PY_SOURCE)) |
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109 # Handle the case when f is not a true file object but imp requires one |
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110 except ValueError: |
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111 # FIXME: 2.5 lacks the delete parameter |
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112 with tempfile.NamedTemporaryFile(delete=False) as f: |
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113 inputdatafname = f.name |
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114 metafile.copy(inputdatafname) |
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115 with ReadDeleting(inputdatafname) as f: |
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116 module = imp.load_module('testconf', f, metafile.full_real_path, ('.py', 'r', imp.PY_SOURCE)) |
| 21 | 117 del sys.modules['testconf'] |
| 118 if hasattr(module, 'padwithzeroestolength'): | |
| 119 if not hasattr(module, 'padtests'): | |
| 120 try: | |
| 121 module.padtests = module.padwithzeroestolength[0] | |
| 122 except TypeError: | |
| 123 module.padtests = module.padwithzeroestolength | |
| 124 if not hasattr(module, 'paddummies'): | |
| 125 try: | |
| 126 module.paddummies = module.padwithzeroestolength[1] | |
| 127 except TypeError: | |
| 128 module.paddummies = module.padwithzeroestolength | |
| 129 for name in defaults_problem: | |
| 130 if not hasattr(globalconf, name): | |
| 131 setattr(module, name, getattr(module, name, defaults_problem[name])) | |
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132 module = Config(module, globalconf) |
| 27 | 133 if not module.dummyinname: |
| 134 module.dummyinname = getattr(module, 'testcaseinname', module.dummyinname) | |
| 135 if not module.dummyoutname: | |
| 136 module.dummyoutname = getattr(module, 'testcaseoutname', module.dummyoutname) | |
| 21 | 137 if not hasattr(module, 'path'): |
| 138 if hasattr(module, 'name'): | |
| 139 module.path = module.name | |
| 140 elif sys.platform != 'win32': | |
| 141 module.path = os.path.join(os.path.curdir, problem_name) | |
| 142 else: | |
| 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) |
| 21 | 158 if options.no_maxtime: |
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159 module.maxcputime = module.maxwalltime = 0 |
| 21 | 160 sys.dont_write_bytecode = dwb |
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161 for name in patterns: |
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162 if hasattr(module, name): |
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163 setattr(module, name, getattr(module, name).replace('%', problem_name)) |
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164 return module |
| 21 | 165 |
| 166 def load_global(): | |
|
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167 global builtins |
| 21 | 168 dwb = sys.dont_write_bytecode |
| 169 sys.dont_write_bytecode = True | |
| 170 metafile = files.File('testconf.py', True, 'configuration') | |
| 171 module = None | |
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172 with CompatBuiltins() as builtins: |
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173 if zipimport and isinstance(metafile.archive, files.ZipArchive): |
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174 try: |
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175 module = zipimport.zipimporter(os.path.dirname(metafile.full_real_path)).load_module('testconf') |
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176 except zipimport.ZipImportError: |
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177 pass |
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178 else: |
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179 del sys.modules['testconf'] |
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180 if not module: |
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181 try: |
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182 with metafile.open() as f: |
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183 module = imp.load_module('testconf', f, metafile.full_real_path, ('.py', 'r', imp.PY_SOURCE)) |
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184 # Handle the case when f is not a true file object but imp requires one |
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185 except ValueError: |
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186 # FIXME: 2.5 lacks the delete parameter |
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187 with tempfile.NamedTemporaryFile(delete=False) as f: |
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188 inputdatafname = f.name |
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189 metafile.copy(inputdatafname) |
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190 with ReadDeleting(inputdatafname) as f: |
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191 module = imp.load_module('testconf', f, metafile.full_real_path, ('.py', 'r', imp.PY_SOURCE)) |
| 21 | 192 del sys.modules['testconf'] |
| 193 for name in defaults_global: | |
| 194 setattr(module, name, getattr(module, name, defaults_global[name])) | |
| 43 | 195 if not options.erase: |
| 196 for name in defaults_noerase: | |
| 197 setattr(module, name, getattr(module, name, defaults_noerase[name])) | |
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198 if hasattr(module, 'tasknames'): |
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199 module.problems = module.tasknames |
| 21 | 200 global globalconf |
| 201 globalconf = module | |
| 202 sys.dont_write_bytecode = dwb | |
| 203 return module |