annotate 2.00/testcases.py @ 35:23aa8da5be5f

compat.py now emulates the next() built-in in Python 2.5
author Oleg Oshmyan <chortos@inbox.lv>
date Fri, 03 Dec 2010 01:19:55 +0000
parents dc4be35d17e0
children 2b459f9743b4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #! /usr/bin/env python
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2 # Copyright (c) 2010 Chortos-2 <chortos@inbox.lv>
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3
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4 from __future__ import division, with_statement
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5
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6 try:
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7 from compat import *
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8 import files, problem, config
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9 except ImportError:
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10 import __main__
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11 __main__.import_error(sys.exc_info()[1])
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12 else:
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13 from __main__ import clock, options
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14
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15 import glob, re, sys, tempfile, time
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16 from subprocess import Popen, PIPE, STDOUT
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17
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18 import os
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19 devnull = open(os.path.devnull, 'w+')
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20
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21 try:
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22 from signal import SIGTERM, SIGKILL
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23 except ImportError:
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24 SIGTERM = 15
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25 SIGKILL = 9
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26
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27 try:
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28 from _subprocess import TerminateProcess
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29 except ImportError:
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30 # CPython 2.5 does define _subprocess.TerminateProcess even though it is
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31 # not used in the subprocess module, but maybe something else does not
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32 try:
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33 import ctypes
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34 TerminateProcess = ctypes.windll.kernel32.TerminateProcess
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35 except (ImportError, AttributeError):
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36 TerminateProcess = None
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37
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38
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39 # Do the hacky-wacky dark magic needed to catch presses of the Escape button.
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40 # If only Python supported forcible termination of threads...
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41 if not sys.stdin.isatty():
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42 canceled = init_canceled = lambda: False
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43 pause = None
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44 else:
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45 try:
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46 # Windows has select() too, but it is not the select() we want
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47 import msvcrt
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48 except ImportError:
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49 try:
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50 import select, termios, tty, atexit
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51 except ImportError:
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52 # It cannot be helped!
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53 # Silently disable support for killing the program being tested
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54 canceled = init_canceled = lambda: False
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55 pause = None
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56 else:
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57 def cleanup(old=termios.tcgetattr(sys.stdin.fileno())):
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58 termios.tcsetattr(sys.stdin.fileno(), termios.TCSAFLUSH, old)
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59 atexit.register(cleanup)
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60 del cleanup
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61 tty.setcbreak(sys.stdin.fileno())
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62 def canceled(select=select.select, stdin=sys.stdin, read=sys.stdin.read):
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63 while select((stdin,), (), (), 0)[0]:
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64 if read(1) == '\33':
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65 return True
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66 return False
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67 def init_canceled():
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68 while select.select((sys.stdin,), (), (), 0)[0]:
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69 sys.stdin.read(1)
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70 def pause():
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71 sys.stdin.read(1)
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72 else:
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73 def canceled(kbhit=msvcrt.kbhit, getch=msvcrt.getch):
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74 while kbhit():
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75 c = getch()
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76 if c == '\33':
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77 return True
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78 elif c == '\0':
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79 # Let's hope no-one is fiddling with this
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80 getch()
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81 return False
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82 def init_canceled():
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83 while msvcrt.kbhit():
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84 msvcrt.getch()
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85 def pause():
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86 msvcrt.getch()
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87
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88
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89 __all__ = ('TestCase', 'load_problem', 'TestCaseNotPassed',
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90 'TimeLimitExceeded', 'CanceledByUser', 'WrongAnswer',
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91 'NonZeroExitCode', 'CannotStartTestee',
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92 'CannotStartValidator', 'CannotReadOutputFile',
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93 'CannotReadInputFile', 'CannotReadAnswerFile')
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94
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95
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96
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97 # Exceptions
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98
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99 class TestCaseNotPassed(Exception): __slots__ = ()
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100 class TimeLimitExceeded(TestCaseNotPassed): __slots__ = ()
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101 class CanceledByUser(TestCaseNotPassed): __slots__ = ()
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102
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103 class WrongAnswer(TestCaseNotPassed):
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104 __slots__ = 'comment'
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105 def __init__(self, comment=''):
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106 self.comment = comment
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107
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108 class NonZeroExitCode(TestCaseNotPassed):
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109 __slots__ = 'exitcode'
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110 def __init__(self, exitcode):
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111 self.exitcode = exitcode
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112
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113 class ExceptionWrapper(TestCaseNotPassed):
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114 __slots__ = 'upstream'
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115 def __init__(self, upstream):
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116 self.upstream = upstream
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117
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118 class CannotStartTestee(ExceptionWrapper): __slots__ = ()
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119 class CannotStartValidator(ExceptionWrapper): __slots__ = ()
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120 class CannotReadOutputFile(ExceptionWrapper): __slots__ = ()
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121 class CannotReadInputFile(ExceptionWrapper): __slots__ = ()
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122 class CannotReadAnswerFile(ExceptionWrapper): __slots__ = ()
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123
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124
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125
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126 # Helper context managers
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127
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128 class CopyDeleting(object):
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129 __slots__ = 'case', 'file', 'name'
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130
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131 def __init__(self, case, file, name):
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132 self.case = case
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133 self.file = file
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134 self.name = name
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135
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136 def __enter__(self):
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137 if self.name:
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138 try:
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139 self.file.copy(self.name)
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140 except:
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141 try:
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142 self.__exit__(None, None, None)
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143 except:
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144 pass
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145 raise
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146
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147 def __exit__(self, exc_type, exc_val, exc_tb):
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148 if self.name:
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149 self.case.files_to_delete.append(self.name)
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150
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151
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152 class Copying(object):
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153 __slots__ = 'file', 'name'
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154
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155 def __init__(self, file, name):
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156 self.file = file
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157 self.name = name
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158
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159 def __enter__(self):
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160 if self.name:
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161 self.file.copy(self.name)
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162
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163 def __exit__(self, exc_type, exc_val, exc_tb):
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164 pass
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165
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166
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167
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168 # Test case types
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169
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170 class TestCase(object):
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171 __slots__ = ('problem', 'id', 'isdummy', 'infile', 'outfile', 'points',
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172 'process', 'time_started', 'time_stopped', 'time_limit_string',
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173 'realinname', 'realoutname', 'maxtime', 'maxmemory',
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174 'has_called_back', 'files_to_delete')
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175
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176 if ABCMeta:
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177 __metaclass__ = ABCMeta
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178
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179 def __init__(case, prob, id, isdummy, points):
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180 case.problem = prob
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181 case.id = id
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182 case.isdummy = isdummy
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183 case.points = points
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184 case.maxtime = case.problem.config.maxtime
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185 case.maxmemory = case.problem.config.maxmemory
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186 if case.maxtime:
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187 case.time_limit_string = '/%.3f' % case.maxtime
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188 else:
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189 case.time_limit_string = ''
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190 if not isdummy:
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191 case.realinname = case.problem.config.testcaseinname
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192 case.realoutname = case.problem.config.testcaseoutname
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193 else:
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194 case.realinname = case.problem.config.dummyinname
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195 case.realoutname = case.problem.config.dummyoutname
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196
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197 @abstractmethod
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198 def test(case): raise NotImplementedError
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199
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200 def __call__(case, callback):
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201 case.has_called_back = False
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202 case.files_to_delete = []
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203 try:
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204 return case.test(callback)
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205 finally:
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206 now = clock()
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207 if not getattr(case, 'time_started', None):
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208 case.time_started = case.time_stopped = now
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209 elif not getattr(case, 'time_stopped', None):
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210 case.time_stopped = now
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211 if not case.has_called_back:
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212 callback()
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213 case.cleanup()
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214
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215 def cleanup(case):
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216 #if getattr(case, 'infile', None):
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217 # case.infile.close()
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218 #if getattr(case, 'outfile', None):
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219 # case.outfile.close()
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220 if getattr(case, 'process', None):
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221 # Try killing after three unsuccessful TERM attempts in a row
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222 # (except on Windows, where TERMing is killing)
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223 for i in range(3):
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224 try:
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225 try:
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226 case.process.terminate()
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227 except AttributeError:
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228 # Python 2.5
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229 if TerminateProcess and hasattr(proc, '_handle'):
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230 # Windows API
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231 TerminateProcess(proc._handle, 1)
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232 else:
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233 # POSIX
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234 os.kill(proc.pid, SIGTERM)
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235 except Exception:
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236 time.sleep(0)
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237 case.process.poll()
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238 else:
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239 case.process.wait()
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240 break
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241 else:
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242 # If killing the process is unsuccessful three times in a row,
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243 # just silently stop trying
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244 for i in range(3):
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245 try:
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246 try:
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247 case.process.kill()
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248 except AttributeError:
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249 # Python 2.5
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250 if TerminateProcess and hasattr(proc, '_handle'):
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251 # Windows API
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252 TerminateProcess(proc._handle, 1)
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253 else:
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254 # POSIX
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255 os.kill(proc.pid, SIGKILL)
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256 except Exception:
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257 time.sleep(0)
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258 case.process.poll()
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259 else:
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260 case.process.wait()
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261 break
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262 if case.files_to_delete:
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263 for name in case.files_to_delete:
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264 try:
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265 os.remove(name)
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266 except Exception:
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267 # It can't be helped
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268 pass
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269
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270 def open_infile(case):
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271 try:
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272 case.infile = files.File('/'.join((case.problem.name, case.realinname.replace('$', case.id))))
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273 except IOError:
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274 e = sys.exc_info()[1]
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275 raise CannotReadInputFile(e)
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276
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277 def open_outfile(case):
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278 try:
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279 case.outfile = files.File('/'.join((case.problem.name, case.realoutname.replace('$', case.id))))
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280 except IOError:
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281 e = sys.exc_info()[1]
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282 raise CannotReadAnswerFile(e)
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283
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284
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285 class ValidatedTestCase(TestCase):
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286 __slots__ = 'validator'
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287
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288 def __init__(case, *args):
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289 TestCase.__init__(case, *args)
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290 if not case.problem.config.tester:
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291 case.validator = None
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292 else:
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293 case.validator = case.problem.config.tester
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294
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295 def validate(case, output):
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296 if not case.validator:
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297 # Compare the output with the reference output
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298 case.open_outfile()
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299 with case.outfile.open() as refoutput:
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300 for line, refline in zip_longest(output, refoutput):
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301 if refline is not None and not isinstance(refline, basestring):
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302 line = bytes(line, sys.getdefaultencoding())
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303 if line != refline:
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304 raise WrongAnswer
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305 return 1
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306 elif callable(case.validator):
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307 return case.validator(output)
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308 else:
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309 # Call the validator program
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diff changeset
310 output.close()
23
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diff changeset
311 if case.problem.config.ansname:
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diff changeset
312 case.open_outfile()
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diff changeset
313 case.outfile.copy(case.problem.config.ansname)
25
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diff changeset
314 try:
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315 case.process = Popen(case.validator, stdin=devnull, stdout=PIPE, stderr=STDOUT, universal_newlines=True, bufsize=-1)
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diff changeset
316 except OSError:
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diff changeset
317 raise CannotStartValidator(sys.exc_info()[1])
21
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diff changeset
318 comment = case.process.communicate()[0].strip()
26
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diff changeset
319 match = re.match(r'(?i)(ok|(?:correct|wrong)(?:(?:\s|_)*answer)?)(?:$|\s+|[.,!:]+\s*)', comment)
21
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diff changeset
320 if match:
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diff changeset
321 comment = comment[match.end():]
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parents: 16
diff changeset
322 if not case.problem.config.maxexitcode:
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parents: 16
diff changeset
323 if case.process.returncode:
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diff changeset
324 raise WrongAnswer(comment)
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parents: 16
diff changeset
325 else:
24
c23d81f4a1a3 Score returned by TestCase.__call__() is now normalized to 0..1
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diff changeset
326 return 1, comment
21
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parents: 16
diff changeset
327 else:
24
c23d81f4a1a3 Score returned by TestCase.__call__() is now normalized to 0..1
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diff changeset
328 return case.process.returncode / case.problem.config.maxexitcode, comment
21
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parents: 16
diff changeset
329
ec6f1a132109 A pretty usable version
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diff changeset
330
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diff changeset
331 class BatchTestCase(ValidatedTestCase):
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332 __slots__ = ()
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diff changeset
333
22
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diff changeset
334 def test(case, callback):
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diff changeset
335 init_canceled()
21
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diff changeset
336 if sys.platform == 'win32' or not case.maxmemory:
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337 preexec_fn = None
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diff changeset
338 else:
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339 def preexec_fn():
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340 try:
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diff changeset
341 import resource
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342 maxmemory = int(case.maxmemory * 1048576)
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343 resource.setrlimit(resource.RLIMIT_AS, (maxmemory, maxmemory))
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344 # I would also set a CPU time limit but I do not want the time
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345 # that passes between the calls to fork and exec to be counted in
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346 except MemoryError:
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347 # We do not have enough memory for ourselves;
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348 # let the parent know about this
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diff changeset
349 raise
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350 except Exception:
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351 # Well, at least we tried
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352 pass
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diff changeset
353 case.open_infile()
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diff changeset
354 case.time_started = None
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diff changeset
355 if case.problem.config.stdio:
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diff changeset
356 if options.erase and not case.validator:
22
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diff changeset
357 # TODO: re-use the same file name if possible
21
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diff changeset
358 # FIXME: 2.5 lacks the delete parameter
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diff changeset
359 with tempfile.NamedTemporaryFile(delete=False) as f:
22
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diff changeset
360 inputdatafname = f.name
25
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diff changeset
361 contextmgr = CopyDeleting(case, case.infile, inputdatafname)
21
ec6f1a132109 A pretty usable version
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diff changeset
362 else:
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diff changeset
363 inputdatafname = case.problem.config.inname
25
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diff changeset
364 contextmgr = Copying(case.infile, inputdatafname)
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diff changeset
365 with contextmgr:
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diff changeset
366 # FIXME: this U doesn't do anything good for the child process, does it?
22
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diff changeset
367 with open(inputdatafname, 'rU') as infile:
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diff changeset
368 with tempfile.TemporaryFile('w+') if options.erase and not case.validator else open(case.problem.config.outname, 'w+') as outfile:
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diff changeset
369 # TODO: make sure outfile.file is passed to Popen if needed
21
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diff changeset
370 try:
22
f07b7a431ea6 Further 2.00 work
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diff changeset
371 try:
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diff changeset
372 case.process = Popen(case.problem.config.path, stdin=infile, stdout=outfile, stderr=devnull, universal_newlines=True, bufsize=-1, preexec_fn=preexec_fn)
f07b7a431ea6 Further 2.00 work
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diff changeset
373 except MemoryError:
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parents: 21
diff changeset
374 # If there is not enough memory for the forked test.py,
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diff changeset
375 # opt for silent dropping of the limit
26
5bbb68833868 Output text improvements
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diff changeset
376 # TODO: show a warning somewhere
22
f07b7a431ea6 Further 2.00 work
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diff changeset
377 case.process = Popen(case.problem.config.path, stdin=infile, stdout=outfile, stderr=devnull, universal_newlines=True, bufsize=-1)
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diff changeset
378 except OSError:
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diff changeset
379 raise CannotStartTestee(sys.exc_info()[1])
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diff changeset
380 case.time_started = clock()
25
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diff changeset
381 time_next_check = case.time_started + .15
22
f07b7a431ea6 Further 2.00 work
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diff changeset
382 if not case.maxtime:
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parents: 21
diff changeset
383 while True:
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
384 exitcode, now = case.process.poll(), clock()
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
385 if exitcode is not None:
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parents: 21
diff changeset
386 case.time_stopped = now
f07b7a431ea6 Further 2.00 work
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diff changeset
387 break
25
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diff changeset
388 # For some reason (probably Microsoft's fault),
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diff changeset
389 # msvcrt.kbhit() is slow as hell
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diff changeset
390 else:
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parents: 24
diff changeset
391 if now >= time_next_check:
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parents: 24
diff changeset
392 if canceled():
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
393 raise CanceledByUser
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parents: 24
diff changeset
394 else:
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diff changeset
395 time_next_check = now + .15
27
dc4be35d17e0 Bug fixes
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parents: 26
diff changeset
396 time.sleep(0)
22
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
397 else:
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
398 time_end = case.time_started + case.maxtime
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
399 while True:
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
400 exitcode, now = case.process.poll(), clock()
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
401 if exitcode is not None:
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
402 case.time_stopped = now
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
403 break
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
404 elif now >= time_end:
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
405 raise TimeLimitExceeded
25
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
406 else:
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
407 if now >= time_next_check:
b500e117080e Bug fixes and overhead reduction
Oleg Oshmyan <chortos@inbox.lv>
parents: 24
diff changeset
408 if canceled():
b500e117080e Bug fixes and overhead reduction
Oleg Oshmyan <chortos@inbox.lv>
parents: 24
diff changeset
409 raise CanceledByUser
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
410 else:
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parents: 24
diff changeset
411 time_next_check = now + .15
27
dc4be35d17e0 Bug fixes
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parents: 26
diff changeset
412 time.sleep(0)
22
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
413 if config.globalconf.force_zero_exitcode and case.process.returncode:
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
414 raise NonZeroExitCode(case.process.returncode)
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
415 callback()
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
416 case.has_called_back = True
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
417 outfile.seek(0)
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
418 return case.validate(outfile)
21
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
419 else:
22
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
420 case.infile.copy(case.problem.config.inname)
21
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
421 try:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
422 try:
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
423 case.process = Popen(case.problem.config.path, stdin=devnull, stdout=devnull, stderr=STDOUT, preexec_fn=preexec_fn)
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
424 except MemoryError:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
425 # If there is not enough memory for the forked test.py,
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
426 # opt for silent dropping of the limit
26
5bbb68833868 Output text improvements
Oleg Oshmyan <chortos@inbox.lv>
parents: 25
diff changeset
427 # TODO: show a warning somewhere
21
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
428 case.process = Popen(case.problem.config.path, stdin=devnull, stdout=devnull, stderr=STDOUT)
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
429 except OSError:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
430 raise CannotStartTestee(sys.exc_info()[1])
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
431 case.time_started = clock()
25
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
432 time_next_check = case.time_started + .15
21
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
433 if not case.maxtime:
22
f07b7a431ea6 Further 2.00 work
Oleg Oshmyan <chortos@inbox.lv>
parents: 21
diff changeset
434 while True:
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
435 exitcode, now = case.process.poll(), clock()
f07b7a431ea6 Further 2.00 work
Oleg Oshmyan <chortos@inbox.lv>
parents: 21
diff changeset
436 if exitcode is not None:
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
437 case.time_stopped = now
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
438 break
25
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
439 else:
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
440 if now >= time_next_check:
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
441 if canceled():
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
442 raise CanceledByUser
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
443 else:
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
444 time_next_check = now + .15
27
dc4be35d17e0 Bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 26
diff changeset
445 time.sleep(0)
21
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
446 else:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
447 time_end = case.time_started + case.maxtime
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
448 while True:
22
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
449 exitcode, now = case.process.poll(), clock()
21
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
450 if exitcode is not None:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
451 case.time_stopped = now
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
452 break
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
453 elif now >= time_end:
22
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
454 raise TimeLimitExceeded
25
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
455 else:
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
456 if now >= time_next_check:
b500e117080e Bug fixes and overhead reduction
Oleg Oshmyan <chortos@inbox.lv>
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diff changeset
457 if canceled():
b500e117080e Bug fixes and overhead reduction
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diff changeset
458 raise CanceledByUser
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
459 else:
b500e117080e Bug fixes and overhead reduction
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parents: 24
diff changeset
460 time_next_check = now + .15
27
dc4be35d17e0 Bug fixes
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parents: 26
diff changeset
461 time.sleep(0)
21
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
462 if config.globalconf.force_zero_exitcode and case.process.returncode:
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
463 raise NonZeroExitCode(case.process.returncode)
22
f07b7a431ea6 Further 2.00 work
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diff changeset
464 callback()
f07b7a431ea6 Further 2.00 work
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parents: 21
diff changeset
465 case.has_called_back = True
21
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
466 with open(case.problem.config.outname, 'rU') as output:
ec6f1a132109 A pretty usable version
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diff changeset
467 return case.validate(output)
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
468
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
469
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
470 # This is the only test case type not executing any programs to be tested
ec6f1a132109 A pretty usable version
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diff changeset
471 class OutputOnlyTestCase(ValidatedTestCase):
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
472 __slots__ = ()
ec6f1a132109 A pretty usable version
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parents: 16
diff changeset
473 def cleanup(case): pass
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
474
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
475 class BestOutputTestCase(ValidatedTestCase):
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
476 __slots__ = ()
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
477
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
478 # This is the only test case type executing two programs simultaneously
ec6f1a132109 A pretty usable version
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diff changeset
479 class ReactiveTestCase(TestCase):
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
480 __slots__ = ()
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
481 # The basic idea is to launch the program to be tested and the grader
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
482 # and to pipe their standard I/O from and to each other,
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
483 # and then to capture the grader's exit code and use it
26
5bbb68833868 Output text improvements
Oleg Oshmyan <chortos@inbox.lv>
parents: 25
diff changeset
484 # like the exit code of an output validator is used.
21
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
485
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
486
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
487 def load_problem(prob, _types={'batch' : BatchTestCase,
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
488 'outonly' : OutputOnlyTestCase,
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
489 'bestout' : BestOutputTestCase,
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
490 'reactive': ReactiveTestCase}):
23
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
491 if options.legacy:
c1f52b5d80d6 Compatibility and bug fixes
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parents: 22
diff changeset
492 prob.config.usegroups = False
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
493 prob.config.tests = list(prob.config.tests)
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
494 for i, name in enumerate(prob.config.tests):
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
495 try:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
496 if len(name) > 1:
c1f52b5d80d6 Compatibility and bug fixes
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parents: 22
diff changeset
497 prob.config.usegroups = True
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
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diff changeset
498 break
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
499 elif len(name):
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
500 prob.config.tests[i] = name[0]
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
501 except Exception:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
502 try:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
503 # Try to retrieve the first two test case ID's and cache them on success
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
504 prob.config.tests[i] = name = iter(name)
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
505 except TypeError:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
506 continue
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
507 try:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
508 try:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
509 first = next(name)
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
510 except NameError:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
511 # Python 2.5 lacks the next() built-in
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
512 first = name.next()
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
513 except StopIteration:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
514 prob.config.tests[i] = ()
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
515 else:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
516 try:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
517 try:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
518 second = next(name)
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
519 except NameError:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
520 second = name.next()
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
521 except StopIteration:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
522 prob.config.tests[i] = first
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
523 else:
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
524 prob.config.tests[i] = itertools.chain((first, second), name)
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
525 prob.config.usegroups = True
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
526 break
16
f2279b7602d3 Initial 2.00 commit
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
527 if prob.config.usegroups:
22
f07b7a431ea6 Further 2.00 work
Oleg Oshmyan <chortos@inbox.lv>
parents: 21
diff changeset
528 # FIXME: test groups should again be supported!
16
f2279b7602d3 Initial 2.00 commit
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
529 pass
f2279b7602d3 Initial 2.00 commit
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
530 else:
21
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
531 # We will need to iterate over these configuration variables twice
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
532 try:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
533 len(prob.config.dummies)
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
534 except Exception:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
535 prob.config.dummies = tuple(prob.config.dummies)
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
536 try:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
537 len(prob.config.tests)
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
538 except Exception:
23
c1f52b5d80d6 Compatibility and bug fixes
Oleg Oshmyan <chortos@inbox.lv>
parents: 22
diff changeset
539 prob.config.tests = tuple(prob.config.tests)
21
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
540 # First get prob.cache.padoutput right
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
541 for i in prob.config.dummies:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
542 s = 'sample ' + str(i).zfill(prob.config.paddummies)
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
543 prob.cache.padoutput = max(prob.cache.padoutput, len(s))
16
f2279b7602d3 Initial 2.00 commit
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
544 for i in prob.config.tests:
21
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
545 s = str(i).zfill(prob.config.padtests)
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
546 prob.cache.padoutput = max(prob.cache.padoutput, len(s))
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
547 # Now yield the actual test cases
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
548 for i in prob.config.dummies:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
549 s = str(i).zfill(prob.config.paddummies)
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
550 yield _types[prob.config.kind](prob, s, True, 0)
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
551 for i in prob.config.tests:
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
552 s = str(i).zfill(prob.config.padtests)
ec6f1a132109 A pretty usable version
Oleg Oshmyan <chortos@inbox.lv>
parents: 16
diff changeset
553 yield _types[prob.config.kind](prob, s, False, prob.config.pointmap.get(i, prob.config.pointmap.get(None, prob.config.maxexitcode if prob.config.maxexitcode else 1)))