Mercurial > ~astiob > upreckon > hgweb
annotate problem.py @ 69:c0f1b87013ad
Fixed a crash on Python 3 on POSIX
| author | Oleg Oshmyan <chortos@inbox.lv> |
|---|---|
| date | Mon, 03 Jan 2011 01:07:02 +0200 |
| parents | 4ea7133ac25c |
| children | aea4fc87698a |
| rev | line source |
|---|---|
| 21 | 1 #! /usr/bin/env python |
| 16 | 2 # Copyright (c) 2010 Chortos-2 <chortos@inbox.lv> |
| 3 | |
| 21 | 4 from __future__ import division, with_statement |
| 5 | |
| 6 try: | |
| 7 from compat import * | |
| 8 import config, testcases | |
| 9 except ImportError: | |
| 10 import __main__ | |
| 11 __main__.import_error(sys.exc_info()[1]) | |
| 12 else: | |
| 22 | 13 from __main__ import clock, options |
| 21 | 14 |
| 22 | 15 import os, re, sys |
| 21 | 16 |
| 16 | 17 try: |
| 21 | 18 import signal |
| 19 except ImportError: | |
| 20 signalnames = () | |
| 21 else: | |
| 22 # Construct a cache of all signal names available on the current | |
| 23 # platform. Prefer names from the UNIX standards over other versions. | |
| 24 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')) | |
| 25 signalnames = {} | |
| 26 for name in dir(signal): | |
| 27 if re.match('SIG[A-Z]+$', name): | |
| 28 value = signal.__dict__[name] | |
| 22 | 29 if isinstance(value, int) and (value not in signalnames or name[3:] in unixnames): |
| 21 | 30 signalnames[value] = name |
| 31 del unixnames | |
| 16 | 32 |
|
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33 __all__ = 'Problem', 'TestContext', 'test_context_end', 'TestGroup' |
| 21 | 34 |
| 26 | 35 def strerror(e): |
| 36 s = getattr(e, 'strerror') | |
| 37 if not s: s = str(e) | |
| 38 return ' (%s%s)' % (s[0].lower(), s[1:]) if s else '' | |
| 21 | 39 |
| 40 class Cache(object): | |
| 41 def __init__(self, mydict): | |
| 42 self.__dict__ = mydict | |
| 16 | 43 |
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44 class TestContext(object): |
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45 pass |
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46 |
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47 test_context_end = object() |
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48 |
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49 class TestGroup(TestContext): |
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50 __slots__ = 'case', 'log', 'correct', 'allcorrect', 'real', 'max', 'ntotal', 'nvalued', 'ncorrect', 'ncorrectvalued' |
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51 |
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52 def __init__(self): |
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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 self.max += case.points |
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62 if case.points: |
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63 self.nvalued += 1 |
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64 |
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65 def case_correct(self): |
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66 self.correct = True |
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67 self.ncorrect += 1 |
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68 if self.case.points: |
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69 self.ncorrectvalued += 1 |
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70 |
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71 def case_end(self, granted): |
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72 self.log.append((self.case, self.correct, granted)) |
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73 self.real += granted |
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74 del self.case |
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75 if not self.correct: |
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76 self.allcorrect = False |
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77 |
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78 def end(self): |
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79 say('Group total: %d/%d tests; %d/%d points' % (self.ncorrect, self.ntotal, self.real if self.allcorrect else 0, self.max)) |
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80 # No real need to flush stdout, as it will anyway be flushed in a moment, |
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81 # when either the problem total or the next test case's ID is printed |
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82 if self.allcorrect: |
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83 return self.log |
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84 else: |
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85 return ((case, correct, 0) for case, correct, granted in self.log) |
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86 |
| 16 | 87 class Problem(object): |
| 88 __slots__ = 'name', 'config', 'cache', 'testcases' | |
| 89 | |
| 90 def __init__(prob, name): | |
| 91 if not isinstance(name, basestring): | |
| 92 # This shouldn't happen, of course | |
| 21 | 93 raise TypeError('Problem() argument 1 must be string, not ' + type(name).__name__) |
| 16 | 94 prob.name = name |
| 21 | 95 prob.config = config.load_problem(name) |
| 96 if not getattr(prob.config, 'kind', None): prob.config.kind = 'batch' | |
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97 prob.cache = Cache({'padoutput': 0}) |
| 21 | 98 prob.testcases = testcases.load_problem(prob) |
| 99 | |
| 100 # TODO | |
| 101 def build(prob): | |
| 102 raise NotImplementedError | |
| 16 | 103 |
| 104 def test(prob): | |
| 23 | 105 case = None |
| 22 | 106 try: |
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107 contexts = [TestGroup()] |
| 22 | 108 for case in prob.testcases: |
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109 if case is test_context_end: |
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110 for case, correct, granted in contexts.pop().end(): |
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111 contexts[-1].case_start(case) |
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112 if correct: |
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113 contexts[-1].case_correct() |
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114 contexts[-1].case_end(granted) |
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115 continue |
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116 elif isinstance(case, TestContext): |
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117 contexts.append(case) |
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118 continue |
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119 contexts[-1].case_start(case) |
| 22 | 120 granted = 0 |
| 121 id = str(case.id) | |
| 122 if case.isdummy: | |
| 123 id = 'sample ' + id | |
| 124 say('%*s: ' % (prob.cache.padoutput, id), end='') | |
| 125 sys.stdout.flush() | |
| 126 try: | |
| 127 granted = case(lambda: (say('%7.3f%s s, ' % (case.time_stopped - case.time_started, case.time_limit_string), end=''), sys.stdout.flush())) | |
| 128 except testcases.CanceledByUser: | |
| 129 verdict = 'canceled by the user' | |
| 130 except testcases.TimeLimitExceeded: | |
| 131 verdict = 'time limit exceeded' | |
| 132 except testcases.WrongAnswer: | |
| 133 e = sys.exc_info()[1] | |
| 134 if e.comment: | |
| 135 verdict = 'wrong answer (%s)' % e.comment | |
| 136 else: | |
| 137 verdict = 'wrong answer' | |
| 138 except testcases.NonZeroExitCode: | |
| 139 e = sys.exc_info()[1] | |
| 140 if e.exitcode < 0: | |
| 141 if sys.platform == 'win32': | |
| 142 verdict = 'terminated with error 0x%X' % (e.exitcode + 0x100000000) | |
| 143 elif -e.exitcode in signalnames: | |
| 144 verdict = 'terminated by signal %d (%s)' % (-e.exitcode, signalnames[-e.exitcode]) | |
| 145 else: | |
| 146 verdict = 'terminated by signal %d' % -e.exitcode | |
| 21 | 147 else: |
| 22 | 148 verdict = 'non-zero return code %d' % e.exitcode |
| 149 except testcases.CannotStartTestee: | |
| 26 | 150 verdict = 'cannot launch the program to test%s' % strerror(sys.exc_info()[1].upstream) |
| 22 | 151 except testcases.CannotStartValidator: |
| 26 | 152 verdict = 'cannot launch the validator%s' % strerror(sys.exc_info()[1].upstream) |
| 22 | 153 except testcases.CannotReadOutputFile: |
| 26 | 154 verdict = 'cannot read the output file%s' % strerror(sys.exc_info()[1].upstream) |
| 22 | 155 except testcases.CannotReadInputFile: |
| 26 | 156 verdict = 'cannot read the input file%s' % strerror(sys.exc_info()[1].upstream) |
| 22 | 157 except testcases.CannotReadAnswerFile: |
| 26 | 158 verdict = 'cannot read the reference output file%s' % strerror(sys.exc_info()[1].upstream) |
| 22 | 159 except testcases.TestCaseNotPassed: |
| 26 | 160 verdict = 'unspecified reason [this may be a bug in test.py]%s' % strerror(sys.exc_info()[1]) |
| 22 | 161 #except Exception: |
| 26 | 162 # verdict = 'unknown error [this may be a bug in test.py]%s' % strerror(sys.exc_info()[1]) |
| 21 | 163 else: |
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164 try: |
| 22 | 165 granted, comment = granted |
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166 except TypeError: |
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167 comment = '' |
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168 else: |
| 22 | 169 if comment: |
| 170 comment = ' (%s)' % comment | |
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171 if granted >= 1: |
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172 contexts[-1].case_correct() |
| 22 | 173 verdict = 'OK' + comment |
| 174 elif not granted: | |
| 175 verdict = 'wrong answer' + comment | |
| 176 else: | |
| 177 verdict = 'partly correct' + comment | |
| 26 | 178 granted *= case.points |
| 22 | 179 say('%g/%g, %s' % (granted, case.points, verdict)) |
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180 contexts[-1].case_end(granted) |
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181 weighted = contexts[0].real * prob.config.taskweight / contexts[0].max if contexts[0].max else 0 |
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182 if contexts[0].nvalued != contexts[0].ntotal: |
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183 say('Problem total: %d/%d tests (%d/%d valued); %g/%g points; weighted score: %g/%g' % (contexts[0].ncorrect, contexts[0].ntotal, contexts[0].ncorrectvalued, contexts[0].nvalued, contexts[0].real, contexts[0].max, weighted, prob.config.taskweight)) |
| 21 | 184 else: |
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185 say('Problem total: %d/%d tests; %g/%g points; weighted score: %g/%g' % (contexts[0].ncorrect, contexts[0].ntotal, contexts[0].real, contexts[0].max, weighted, prob.config.taskweight)) |
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186 sys.stdout.flush() |
| 22 | 187 return weighted, prob.config.taskweight |
| 188 finally: | |
| 23 | 189 if options.erase and (not prob.config.stdio or case and case.validator): |
| 22 | 190 for var in 'in', 'out': |
| 191 name = getattr(prob.config, var + 'name') | |
| 192 if name: | |
| 193 try: | |
| 194 os.remove(name) | |
| 195 except Exception: | |
| 196 pass | |
| 197 if case.validator and not callable(case.validator): | |
| 198 if prob.config.ansname: | |
| 199 try: | |
| 200 os.remove(prob.config.ansname) | |
| 201 except Exception: | |
| 202 pass |