Mercurial > ~astiob > upreckon > hgweb
annotate problem.py @ 119:0b265fe9c81f
Wall-clock time limit is now enforced on the output wall-clock time
| author | Oleg Oshmyan <chortos@inbox.lv> |
|---|---|
| date | Fri, 15 Apr 2011 03:06:29 +0300 |
| parents | b7fb64ce03d9 |
| children | 523ba6907f3a |
| rev | line source |
|---|---|
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1 # Copyright (c) 2010-2011 Chortos-2 <chortos@inbox.lv> |
| 16 | 2 |
| 21 | 3 from __future__ import division, with_statement |
| 4 | |
| 91 | 5 from compat import * |
| 6 import config, testcases | |
| 7 from __main__ import options | |
| 21 | 8 |
| 22 | 9 import os, re, sys |
| 21 | 10 |
| 16 | 11 try: |
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12 from collections import deque |
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13 except ImportError: |
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14 deque = list |
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15 |
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16 try: |
| 21 | 17 import signal |
| 18 except ImportError: | |
| 19 signalnames = () | |
| 20 else: | |
| 21 # Construct a cache of all signal names available on the current | |
| 22 # platform. Prefer names from the UNIX standards over other versions. | |
| 23 unixnames = frozenset(('HUP', 'INT', 'QUIT', 'ILL', 'ABRT', 'FPE', 'KILL', 'SEGV', 'PIPE', 'ALRM', 'TERM', 'USR1', 'USR2', 'CHLD', 'CONT', 'STOP', 'TSTP', 'TTIN', 'TTOU', 'BUS', 'POLL', 'PROF', 'SYS', 'TRAP', 'URG', 'VTALRM', 'XCPU', 'XFSZ')) | |
| 24 signalnames = {} | |
| 25 for name in dir(signal): | |
| 26 if re.match('SIG[A-Z]+$', name): | |
| 27 value = signal.__dict__[name] | |
| 22 | 28 if isinstance(value, int) and (value not in signalnames or name[3:] in unixnames): |
| 21 | 29 signalnames[value] = name |
| 30 del unixnames | |
| 16 | 31 |
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32 __all__ = 'Problem', 'TestContext', 'test_context_end', 'TestGroup' |
| 21 | 33 |
| 26 | 34 def strerror(e): |
| 94 | 35 s = getattr(e, 'strerror', e) |
| 26 | 36 if not s: s = str(e) |
| 37 return ' (%s%s)' % (s[0].lower(), s[1:]) if s else '' | |
| 21 | 38 |
| 39 class Cache(object): | |
| 40 def __init__(self, mydict): | |
| 41 self.__dict__ = mydict | |
| 16 | 42 |
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43 class TestContext(object): |
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44 __slots__ = () |
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45 |
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46 test_context_end = object() |
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47 |
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48 class TestGroup(TestContext): |
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49 __slots__ = 'points', 'case', 'log', 'correct', 'allcorrect', 'real', 'max', 'ntotal', 'nvalued', 'ncorrect', 'ncorrectvalued' |
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50 |
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51 def __init__(self, points=None): |
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52 self.points = points |
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53 self.real = self.max = self.ntotal = self.nvalued = self.ncorrect = self.ncorrectvalued = 0 |
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54 self.allcorrect = True |
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55 self.log = [] |
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56 |
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57 def case_start(self, case): |
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58 self.case = case |
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59 self.correct = False |
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60 self.ntotal += 1 |
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61 if case.points: |
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62 self.nvalued += 1 |
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63 |
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64 def case_correct(self): |
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65 self.correct = True |
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66 self.ncorrect += 1 |
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67 if self.case.points: |
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68 self.ncorrectvalued += 1 |
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69 |
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70 def case_end(self): |
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71 self.log.append((self.case, self.correct)) |
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72 del self.case |
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73 if not self.correct: |
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74 self.allcorrect = False |
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75 |
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76 def score(self, real, max): |
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77 self.real += real |
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78 self.max += max |
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79 |
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80 def end(self): |
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81 if not self.allcorrect: |
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82 self.real = 0 |
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83 if self.points is not None and self.points != self.max: |
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84 max, weighted = self.points, self.real * self.points / self.max if self.max else 0 |
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85 before_weighting = ' (%g/%g before weighting)' % (self.real, self.max) |
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86 else: |
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87 max, weighted = self.max, self.real |
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88 before_weighting = '' |
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89 say('Group total: %d/%d tests, %g/%g points%s' % (self.ncorrect, self.ntotal, weighted, max, before_weighting)) |
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90 # No real need to flush stdout, as it will anyway be flushed in a moment, |
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91 # when either the problem total or the next test case's ID is printed |
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92 return weighted, max, self.log |
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93 |
| 16 | 94 class Problem(object): |
| 95 __slots__ = 'name', 'config', 'cache', 'testcases' | |
| 96 | |
| 97 def __init__(prob, name): | |
| 98 if not isinstance(name, basestring): | |
| 99 # This shouldn't happen, of course | |
| 21 | 100 raise TypeError('Problem() argument 1 must be string, not ' + type(name).__name__) |
| 16 | 101 prob.name = name |
| 21 | 102 prob.config = config.load_problem(name) |
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103 prob.cache = Cache({'padoutput': 0}) |
| 21 | 104 prob.testcases = testcases.load_problem(prob) |
| 105 | |
| 106 # TODO | |
| 107 def build(prob): | |
| 108 raise NotImplementedError | |
| 16 | 109 |
| 110 def test(prob): | |
| 23 | 111 case = None |
| 22 | 112 try: |
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113 contexts = deque((TestGroup(),)) |
| 22 | 114 for case in prob.testcases: |
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115 if case is test_context_end: |
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116 real, max, log = contexts.pop().end() |
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117 for case, correct in log: |
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118 contexts[-1].case_start(case) |
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119 if correct: |
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120 contexts[-1].case_correct() |
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121 contexts[-1].case_end() |
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122 contexts[-1].score(real, max) |
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123 continue |
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124 elif isinstance(case, TestContext): |
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125 contexts.append(case) |
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126 continue |
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127 contexts[-1].case_start(case) |
| 22 | 128 granted = 0 |
| 129 id = str(case.id) | |
| 130 if case.isdummy: | |
| 131 id = 'sample ' + id | |
| 132 say('%*s: ' % (prob.cache.padoutput, id), end='') | |
| 133 sys.stdout.flush() | |
| 134 try: | |
| 135 granted = case(lambda: (say('%7.3f%s s, ' % (case.time_stopped - case.time_started, case.time_limit_string), end=''), sys.stdout.flush())) | |
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136 except testcases.TestCaseSkipped: |
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137 verdict = 'skipped due to skimming mode' |
| 22 | 138 except testcases.CanceledByUser: |
| 139 verdict = 'canceled by the user' | |
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140 except testcases.WallTimeLimitExceeded: |
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141 verdict = 'wall-clock time limit exceeded' |
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142 except testcases.CPUTimeLimitExceeded: |
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143 verdict = 'CPU time limit exceeded' |
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144 except testcases.MemoryLimitExceeded: |
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145 verdict = 'memory limit exceeded' |
| 22 | 146 except testcases.WrongAnswer: |
| 147 e = sys.exc_info()[1] | |
| 148 if e.comment: | |
| 149 verdict = 'wrong answer (%s)' % e.comment | |
| 150 else: | |
| 151 verdict = 'wrong answer' | |
| 152 except testcases.NonZeroExitCode: | |
| 153 e = sys.exc_info()[1] | |
| 154 if e.exitcode < 0: | |
| 155 if sys.platform == 'win32': | |
| 156 verdict = 'terminated with error 0x%X' % (e.exitcode + 0x100000000) | |
| 157 elif -e.exitcode in signalnames: | |
| 158 verdict = 'terminated by signal %d (%s)' % (-e.exitcode, signalnames[-e.exitcode]) | |
| 159 else: | |
| 160 verdict = 'terminated by signal %d' % -e.exitcode | |
| 21 | 161 else: |
| 22 | 162 verdict = 'non-zero return code %d' % e.exitcode |
| 163 except testcases.CannotStartTestee: | |
| 26 | 164 verdict = 'cannot launch the program to test%s' % strerror(sys.exc_info()[1].upstream) |
| 22 | 165 except testcases.CannotStartValidator: |
| 26 | 166 verdict = 'cannot launch the validator%s' % strerror(sys.exc_info()[1].upstream) |
| 22 | 167 except testcases.CannotReadOutputFile: |
| 26 | 168 verdict = 'cannot read the output file%s' % strerror(sys.exc_info()[1].upstream) |
| 22 | 169 except testcases.CannotReadInputFile: |
| 26 | 170 verdict = 'cannot read the input file%s' % strerror(sys.exc_info()[1].upstream) |
| 22 | 171 except testcases.CannotReadAnswerFile: |
| 26 | 172 verdict = 'cannot read the reference output file%s' % strerror(sys.exc_info()[1].upstream) |
| 94 | 173 except testcases.ExceptionWrapper: |
| 174 verdict = 'unspecified reason [this may be a bug in test.py]%s' % strerror(sys.exc_info()[1].upstream) | |
| 22 | 175 except testcases.TestCaseNotPassed: |
| 26 | 176 verdict = 'unspecified reason [this may be a bug in test.py]%s' % strerror(sys.exc_info()[1]) |
| 22 | 177 #except Exception: |
| 26 | 178 # verdict = 'unknown error [this may be a bug in test.py]%s' % strerror(sys.exc_info()[1]) |
| 21 | 179 else: |
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180 try: |
| 22 | 181 granted, comment = granted |
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182 except TypeError: |
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183 comment = '' |
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184 else: |
| 22 | 185 if comment: |
| 186 comment = ' (%s)' % comment | |
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187 if granted >= 1: |
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188 contexts[-1].case_correct() |
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189 prob.testcases.send(True) |
| 22 | 190 verdict = 'OK' + comment |
| 191 elif not granted: | |
| 192 verdict = 'wrong answer' + comment | |
| 193 else: | |
| 194 verdict = 'partly correct' + comment | |
| 26 | 195 granted *= case.points |
| 22 | 196 say('%g/%g, %s' % (granted, case.points, verdict)) |
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197 contexts[-1].case_end() |
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198 contexts[-1].score(granted, case.points) |
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199 weighted = contexts[0].real * prob.config.taskweight / contexts[0].max if contexts[0].max else 0 |
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200 before_weighting = valued = '' |
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201 if prob.config.taskweight != contexts[0].max: |
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202 before_weighting = ' (%g/%g before weighting)' % (contexts[0].real, contexts[0].max) |
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203 if contexts[0].nvalued != contexts[0].ntotal: |
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204 valued = ' (%d/%d valued)' % (contexts[0].ncorrectvalued, contexts[0].nvalued) |
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205 say('Problem total: %d/%d tests%s, %g/%g points%s' % (contexts[0].ncorrect, contexts[0].ntotal, valued, weighted, prob.config.taskweight, before_weighting)) |
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206 sys.stdout.flush() |
| 22 | 207 return weighted, prob.config.taskweight |
| 208 finally: | |
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209 if options.erase and case and case.has_iofiles: |
| 22 | 210 for var in 'in', 'out': |
| 211 name = getattr(prob.config, var + 'name') | |
| 212 if name: | |
| 213 try: | |
| 214 os.remove(name) | |
| 215 except Exception: | |
| 216 pass | |
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217 if case.has_ansfile: |
| 22 | 218 if prob.config.ansname: |
| 219 try: | |
| 220 os.remove(prob.config.ansname) | |
| 221 except Exception: | |
| 222 pass |