Mercurial > ~astiob > upreckon > hgweb
annotate testcases.py @ 63:fb9d0223a871
Fixed negative run times reported on POSIX
| author | Oleg Oshmyan <chortos@inbox.lv> |
|---|---|
| date | Wed, 22 Dec 2010 18:56:25 +0200 |
| parents | 593ad09cd69b |
| children | fcb5ab97f08e |
| rev | line source |
|---|---|
| 21 | 1 #! /usr/bin/env python |
| 16 | 2 # Copyright (c) 2010 Chortos-2 <chortos@inbox.lv> |
| 3 | |
| 43 | 4 # TODO: copy the ansfile if not options.erase even if no validator is used |
| 5 | |
| 21 | 6 from __future__ import division, with_statement |
| 7 | |
| 8 try: | |
| 9 from compat import * | |
| 10 import files, problem, config | |
| 11 except ImportError: | |
| 12 import __main__ | |
| 13 __main__.import_error(sys.exc_info()[1]) | |
| 14 else: | |
| 15 from __main__ import clock, options | |
| 16 | |
| 17 import glob, re, sys, tempfile, time | |
| 18 from subprocess import Popen, PIPE, STDOUT | |
| 19 | |
| 20 import os | |
| 21 devnull = open(os.path.devnull, 'w+') | |
| 22 | |
| 23 try: | |
| 24 from signal import SIGTERM, SIGKILL | |
| 25 except ImportError: | |
| 26 SIGTERM = 15 | |
| 27 SIGKILL = 9 | |
| 28 | |
| 16 | 29 try: |
| 21 | 30 from _subprocess import TerminateProcess |
| 31 except ImportError: | |
| 32 # CPython 2.5 does define _subprocess.TerminateProcess even though it is | |
| 33 # not used in the subprocess module, but maybe something else does not | |
| 34 try: | |
| 35 import ctypes | |
| 36 TerminateProcess = ctypes.windll.kernel32.TerminateProcess | |
| 37 except (ImportError, AttributeError): | |
| 38 TerminateProcess = None | |
| 39 | |
| 22 | 40 |
| 41 # Do the hacky-wacky dark magic needed to catch presses of the Escape button. | |
| 42 # If only Python supported forcible termination of threads... | |
| 43 if not sys.stdin.isatty(): | |
| 44 canceled = init_canceled = lambda: False | |
| 45 pause = None | |
| 46 else: | |
| 47 try: | |
| 48 # Windows has select() too, but it is not the select() we want | |
| 49 import msvcrt | |
| 50 except ImportError: | |
| 51 try: | |
|
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52 from select import select |
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53 import termios, tty, atexit |
| 22 | 54 except ImportError: |
| 55 # It cannot be helped! | |
| 56 # Silently disable support for killing the program being tested | |
| 57 canceled = init_canceled = lambda: False | |
| 58 pause = None | |
| 59 else: | |
| 60 def cleanup(old=termios.tcgetattr(sys.stdin.fileno())): | |
| 61 termios.tcsetattr(sys.stdin.fileno(), termios.TCSAFLUSH, old) | |
| 62 atexit.register(cleanup) | |
| 63 del cleanup | |
| 64 tty.setcbreak(sys.stdin.fileno()) | |
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65 def canceled(select=select, stdin=sys.stdin, read=sys.stdin.read): |
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66 while select((stdin,), (), (), 0)[0]: |
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67 if read(1) == '\33': |
| 22 | 68 return True |
| 69 return False | |
| 70 def init_canceled(): | |
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71 while select((sys.stdin,), (), (), 0)[0]: |
| 22 | 72 sys.stdin.read(1) |
| 73 def pause(): | |
| 74 sys.stdin.read(1) | |
| 75 else: | |
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76 def canceled(kbhit=msvcrt.kbhit, getch=msvcrt.getch): |
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77 while kbhit(): |
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78 c = getch() |
| 22 | 79 if c == '\33': |
| 80 return True | |
| 81 elif c == '\0': | |
| 82 # Let's hope no-one is fiddling with this | |
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83 getch() |
| 22 | 84 return False |
| 85 def init_canceled(): | |
| 86 while msvcrt.kbhit(): | |
| 87 msvcrt.getch() | |
| 88 def pause(): | |
| 89 msvcrt.getch() | |
| 90 | |
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91 try: |
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92 from signal import SIGCHLD, signal, SIG_DFL |
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93 from select import select, error as select_error |
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94 from errno import EINTR |
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95 import pickle |
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96 except ImportError: |
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97 try: |
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98 from _subprocess import WAIT_OBJECT_0, STD_INPUT_HANDLE, INFINITE |
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99 except ImportError: |
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100 WAIT_OBJECT_0 = 0 |
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101 STD_INPUT_HANDLE = -10 |
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102 INFINITE = -1 |
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103 try: |
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104 import ctypes |
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105 SetConsoleMode = ctypes.windll.kernel32.SetConsoleMode |
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106 FlushConsoleInputBuffer = ctypes.windll.kernel32.FlushConsoleInputBuffer |
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107 WaitForMultipleObjects = ctypes.windll.kernel32.WaitForMultipleObjects |
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108 ReadConsoleInputA = ctypes.windll.kernel32.ReadConsoleInputA |
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109 try: |
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110 from _subprocess import GetStdHandle |
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111 except ImportError: |
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112 GetStdHandle = ctypes.windll.kernel32.GetStdHandle |
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113 except (ImportError, AttributeError): |
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114 console_input = False |
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115 else: |
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116 hStdin = GetStdHandle(STD_INPUT_HANDLE) |
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117 console_input = bool(SetConsoleMode(hStdin, 1)) |
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118 if console_input: |
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119 FlushConsoleInputBuffer(hStdin) |
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120 class KEY_EVENT_RECORD(ctypes.Structure): |
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121 _fields_ = (("bKeyDown", ctypes.c_int), |
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122 ("wRepeatCount", ctypes.c_ushort), |
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123 ("wVirtualKeyCode", ctypes.c_ushort), |
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124 ("wVirtualScanCode", ctypes.c_ushort), |
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125 ("UnicodeChar", ctypes.c_wchar), |
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126 ("dwControlKeyState", ctypes.c_uint)) |
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127 class INPUT_RECORD(ctypes.Structure): |
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128 _fields_ = (("EventType", ctypes.c_int), |
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129 ("KeyEvent", KEY_EVENT_RECORD)) |
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130 # Memory limits (currently) are not supported |
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131 def call(*args, **kwargs): |
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132 case = kwargs.pop('case') |
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133 try: |
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134 case.process = Popen(*args, **kwargs) |
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135 except OSError: |
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136 raise CannotStartTestee(sys.exc_info()[1]) |
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137 case.time_started = clock() |
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138 if not console_input: |
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139 if case.maxtime: |
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140 if WaitForSingleObject(case.process._handle, int(case.maxtime * 1000)) != WAIT_OBJECT_0: |
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141 raise TimeLimitExceeded |
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142 else: |
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143 case.process.wait() |
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144 else: |
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145 ir = INPUT_RECORD() |
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146 n = ctypes.c_int() |
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147 lpHandles = (ctypes.c_int * 2)(hStdin, case.process._handle) |
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148 if case.maxtime: |
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149 time_end = clock() + case.maxtime |
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150 while case.process.poll() is None: |
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151 remaining = time_end - clock() |
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152 if remaining > 0: |
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153 if WaitForMultipleObjects(2, lpHandles, False, int(remaining * 1000)) == WAIT_OBJECT_0: |
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154 ReadConsoleInputA(hStdin, ctypes.byref(ir), 1, ctypes.byref(n)) |
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155 if ir.EventType == 1 and ir.KeyEvent.bKeyDown and ir.KeyEvent.wVirtualKeyCode == 27: |
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156 raise CanceledByUser |
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157 else: |
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158 raise TimeLimitExceeded |
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159 else: |
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160 while case.process.poll() is None: |
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161 if WaitForMultipleObjects(2, lpHandles, False, INFINITE) == WAIT_OBJECT_0: |
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162 ReadConsoleInputA(hStdin, ctypes.byref(ir), 1, ctypes.byref(n)) |
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163 if ir.EventType == 1 and ir.KeyEvent.bKeyDown and ir.KeyEvent.wVirtualKeyCode == 27: |
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164 raise CanceledByUser |
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165 case.time_stopped = clock() |
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166 if not console_input: |
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167 try: |
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168 try: |
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169 from _subprocess import WaitForSingleObject |
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170 except ImportError: |
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171 import ctypes |
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172 WaitForSingleObject = ctypes.windll.kernel32.WaitForSingleObject |
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173 except (ImportError, AttributeError): |
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174 # TODO: move the default implementation here |
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175 call = None |
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176 else: |
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177 # Make SIGCHLD interrupt sleep() and select() |
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178 def bury_child(signum, frame): |
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179 try: |
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180 bury_child.case.time_stopped = clock() |
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181 except Exception: |
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182 pass |
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183 signal(SIGCHLD, bury_child) |
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184 |
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185 # If you want this to work, don't set any stdio argument to PIPE |
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186 def call_real(*args, **kwargs): |
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187 bury_child.case = case = kwargs.pop('case') |
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188 preexec_fn_ = kwargs.get('preexec_fn', None) |
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189 read, write = os.pipe() |
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190 def preexec_fn(): |
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191 os.close(read) |
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192 if preexec_fn_: |
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193 preexec_fn_() |
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194 os.write(write, pickle.dumps(clock(), 1)) |
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195 kwargs['preexec_fn'] = preexec_fn |
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196 try: |
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197 case.process = Popen(*args, **kwargs) |
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198 except OSError: |
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199 os.close(read) |
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200 raise CannotStartTestee(sys.exc_info()[1]) |
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201 finally: |
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202 os.close(write) |
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203 try: |
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204 if pause is None: |
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205 if case.maxtime: |
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206 time.sleep(case.maxtime) |
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207 if case.process.poll() is None: |
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208 raise TimeLimitExceeded |
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209 else: |
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210 case.process.wait() |
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211 else: |
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212 if not case.maxtime: |
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213 try: |
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214 while case.process.poll() is None: |
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215 if select((sys.stdin,), (), ())[0]: |
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216 if sys.stdin.read(1) == '\33': |
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217 raise CanceledByUser |
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218 except select_error: |
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219 if sys.exc_info()[1].args[0] != EINTR: |
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220 raise |
|
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221 else: |
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222 case.process.poll() |
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223 else: |
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224 time_end = clock() + case.maxtime |
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225 try: |
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226 while case.process.poll() is None: |
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227 remaining = time_end - clock() |
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228 if remaining > 0: |
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229 if select((sys.stdin,), (), (), remaining)[0]: |
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230 if sys.stdin.read(1) == '\33': |
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231 raise CanceledByUser |
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232 else: |
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233 raise TimeLimitExceeded |
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234 except select_error: |
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235 if sys.exc_info()[1].args[0] != EINTR: |
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236 raise |
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237 else: |
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238 case.process.poll() |
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239 finally: |
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240 case.time_started = pickle.loads(os.read(read, 512)) |
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241 os.close(read) |
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242 del bury_child.case |
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243 def call(*args, **kwargs): |
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244 if 'preexec_fn' in kwargs: |
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245 try: |
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246 return call_real(*args, **kwargs) |
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247 except MemoryError: |
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248 # If there is not enough memory for the forked test.py, |
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249 # opt for silent dropping of the limit |
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250 # TODO: show a warning somewhere |
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251 del kwargs['preexec_fn'] |
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252 return call_real(*args, **kwargs) |
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253 else: |
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254 return call_real(*args, **kwargs) |
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255 |
| 22 | 256 |
| 21 | 257 __all__ = ('TestCase', 'load_problem', 'TestCaseNotPassed', |
| 22 | 258 'TimeLimitExceeded', 'CanceledByUser', 'WrongAnswer', |
| 259 'NonZeroExitCode', 'CannotStartTestee', | |
| 260 'CannotStartValidator', 'CannotReadOutputFile', | |
| 261 'CannotReadInputFile', 'CannotReadAnswerFile') | |
| 21 | 262 |
| 263 | |
| 264 | |
| 265 # Exceptions | |
| 266 | |
| 267 class TestCaseNotPassed(Exception): __slots__ = () | |
| 268 class TimeLimitExceeded(TestCaseNotPassed): __slots__ = () | |
| 22 | 269 class CanceledByUser(TestCaseNotPassed): __slots__ = () |
| 21 | 270 |
| 271 class WrongAnswer(TestCaseNotPassed): | |
| 272 __slots__ = 'comment' | |
| 273 def __init__(self, comment=''): | |
| 274 self.comment = comment | |
| 275 | |
| 276 class NonZeroExitCode(TestCaseNotPassed): | |
| 277 __slots__ = 'exitcode' | |
| 278 def __init__(self, exitcode): | |
| 279 self.exitcode = exitcode | |
| 280 | |
| 281 class ExceptionWrapper(TestCaseNotPassed): | |
| 282 __slots__ = 'upstream' | |
| 283 def __init__(self, upstream): | |
| 284 self.upstream = upstream | |
| 285 | |
| 286 class CannotStartTestee(ExceptionWrapper): __slots__ = () | |
| 287 class CannotStartValidator(ExceptionWrapper): __slots__ = () | |
| 288 class CannotReadOutputFile(ExceptionWrapper): __slots__ = () | |
| 289 class CannotReadInputFile(ExceptionWrapper): __slots__ = () | |
| 290 class CannotReadAnswerFile(ExceptionWrapper): __slots__ = () | |
| 291 | |
| 292 | |
| 293 | |
| 22 | 294 # Helper context managers |
| 295 | |
| 296 class CopyDeleting(object): | |
| 297 __slots__ = 'case', 'file', 'name' | |
| 298 | |
| 299 def __init__(self, case, file, name): | |
| 300 self.case = case | |
| 301 self.file = file | |
| 302 self.name = name | |
| 303 | |
| 304 def __enter__(self): | |
| 305 if self.name: | |
| 306 try: | |
| 307 self.file.copy(self.name) | |
| 308 except: | |
| 309 try: | |
| 310 self.__exit__(None, None, None) | |
| 311 except: | |
| 312 pass | |
| 313 raise | |
| 314 | |
| 315 def __exit__(self, exc_type, exc_val, exc_tb): | |
| 316 if self.name: | |
| 317 self.case.files_to_delete.append(self.name) | |
| 318 | |
| 319 | |
| 320 class Copying(object): | |
| 321 __slots__ = 'file', 'name' | |
| 322 | |
| 323 def __init__(self, file, name): | |
| 324 self.file = file | |
| 325 self.name = name | |
| 326 | |
| 327 def __enter__(self): | |
| 328 if self.name: | |
| 329 self.file.copy(self.name) | |
| 330 | |
| 331 def __exit__(self, exc_type, exc_val, exc_tb): | |
| 332 pass | |
| 333 | |
| 334 | |
| 335 | |
| 21 | 336 # Test case types |
| 16 | 337 |
| 338 class TestCase(object): | |
| 21 | 339 __slots__ = ('problem', 'id', 'isdummy', 'infile', 'outfile', 'points', |
| 340 'process', 'time_started', 'time_stopped', 'time_limit_string', | |
| 22 | 341 'realinname', 'realoutname', 'maxtime', 'maxmemory', |
| 342 'has_called_back', 'files_to_delete') | |
| 21 | 343 |
| 344 if ABCMeta: | |
| 345 __metaclass__ = ABCMeta | |
| 16 | 346 |
| 21 | 347 def __init__(case, prob, id, isdummy, points): |
| 16 | 348 case.problem = prob |
| 21 | 349 case.id = id |
| 350 case.isdummy = isdummy | |
| 351 case.points = points | |
| 352 case.maxtime = case.problem.config.maxtime | |
| 353 case.maxmemory = case.problem.config.maxmemory | |
| 354 if case.maxtime: | |
| 355 case.time_limit_string = '/%.3f' % case.maxtime | |
| 356 else: | |
| 357 case.time_limit_string = '' | |
| 358 if not isdummy: | |
| 359 case.realinname = case.problem.config.testcaseinname | |
| 360 case.realoutname = case.problem.config.testcaseoutname | |
| 361 else: | |
| 362 case.realinname = case.problem.config.dummyinname | |
| 363 case.realoutname = case.problem.config.dummyoutname | |
| 364 | |
| 365 @abstractmethod | |
| 366 def test(case): raise NotImplementedError | |
| 16 | 367 |
| 22 | 368 def __call__(case, callback): |
| 369 case.has_called_back = False | |
| 370 case.files_to_delete = [] | |
| 21 | 371 try: |
| 22 | 372 return case.test(callback) |
| 21 | 373 finally: |
| 22 | 374 now = clock() |
| 375 if not getattr(case, 'time_started', None): | |
| 376 case.time_started = case.time_stopped = now | |
| 377 elif not getattr(case, 'time_stopped', None): | |
| 378 case.time_stopped = now | |
| 379 if not case.has_called_back: | |
| 380 callback() | |
| 21 | 381 case.cleanup() |
| 382 | |
| 383 def cleanup(case): | |
| 384 #if getattr(case, 'infile', None): | |
| 385 # case.infile.close() | |
| 386 #if getattr(case, 'outfile', None): | |
| 387 # case.outfile.close() | |
| 388 if getattr(case, 'process', None): | |
| 389 # Try killing after three unsuccessful TERM attempts in a row | |
| 390 # (except on Windows, where TERMing is killing) | |
| 391 for i in range(3): | |
| 392 try: | |
| 393 try: | |
| 394 case.process.terminate() | |
| 395 except AttributeError: | |
| 396 # Python 2.5 | |
| 397 if TerminateProcess and hasattr(proc, '_handle'): | |
| 398 # Windows API | |
| 399 TerminateProcess(proc._handle, 1) | |
| 400 else: | |
| 401 # POSIX | |
| 402 os.kill(proc.pid, SIGTERM) | |
| 403 except Exception: | |
| 404 time.sleep(0) | |
| 405 case.process.poll() | |
| 406 else: | |
| 22 | 407 case.process.wait() |
| 21 | 408 break |
| 409 else: | |
| 410 # If killing the process is unsuccessful three times in a row, | |
| 411 # just silently stop trying | |
| 412 for i in range(3): | |
| 413 try: | |
| 414 try: | |
| 415 case.process.kill() | |
| 416 except AttributeError: | |
| 417 # Python 2.5 | |
| 418 if TerminateProcess and hasattr(proc, '_handle'): | |
| 419 # Windows API | |
| 420 TerminateProcess(proc._handle, 1) | |
| 421 else: | |
| 422 # POSIX | |
| 423 os.kill(proc.pid, SIGKILL) | |
| 424 except Exception: | |
| 425 time.sleep(0) | |
| 426 case.process.poll() | |
| 427 else: | |
| 22 | 428 case.process.wait() |
| 21 | 429 break |
| 22 | 430 if case.files_to_delete: |
| 431 for name in case.files_to_delete: | |
| 432 try: | |
| 433 os.remove(name) | |
| 434 except Exception: | |
| 435 # It can't be helped | |
| 436 pass | |
| 21 | 437 |
| 438 def open_infile(case): | |
| 439 try: | |
| 440 case.infile = files.File('/'.join((case.problem.name, case.realinname.replace('$', case.id)))) | |
| 441 except IOError: | |
| 442 e = sys.exc_info()[1] | |
| 443 raise CannotReadInputFile(e) | |
| 444 | |
| 445 def open_outfile(case): | |
| 446 try: | |
| 447 case.outfile = files.File('/'.join((case.problem.name, case.realoutname.replace('$', case.id)))) | |
| 448 except IOError: | |
| 449 e = sys.exc_info()[1] | |
| 450 raise CannotReadAnswerFile(e) | |
| 451 | |
| 16 | 452 |
| 21 | 453 class ValidatedTestCase(TestCase): |
| 454 __slots__ = 'validator' | |
| 455 | |
| 456 def __init__(case, *args): | |
| 457 TestCase.__init__(case, *args) | |
| 458 if not case.problem.config.tester: | |
| 459 case.validator = None | |
| 460 else: | |
| 461 case.validator = case.problem.config.tester | |
| 462 | |
| 463 def validate(case, output): | |
| 464 if not case.validator: | |
| 465 # Compare the output with the reference output | |
| 466 case.open_outfile() | |
| 467 with case.outfile.open() as refoutput: | |
|
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468 for line, refline in zip_longest(output, refoutput): |
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469 if refline is not None and not isinstance(refline, basestring): |
| 21 | 470 line = bytes(line, sys.getdefaultencoding()) |
| 471 if line != refline: | |
| 22 | 472 raise WrongAnswer |
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473 return 1 |
| 21 | 474 elif callable(case.validator): |
| 475 return case.validator(output) | |
| 476 else: | |
| 477 # Call the validator program | |
| 478 output.close() | |
| 23 | 479 if case.problem.config.ansname: |
| 480 case.open_outfile() | |
| 481 case.outfile.copy(case.problem.config.ansname) | |
|
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482 try: |
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483 case.process = Popen(case.validator, stdin=devnull, stdout=PIPE, stderr=STDOUT, universal_newlines=True, bufsize=-1) |
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484 except OSError: |
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485 raise CannotStartValidator(sys.exc_info()[1]) |
| 21 | 486 comment = case.process.communicate()[0].strip() |
| 26 | 487 match = re.match(r'(?i)(ok|(?:correct|wrong)(?:(?:\s|_)*answer)?)(?:$|\s+|[.,!:]+\s*)', comment) |
| 21 | 488 if match: |
| 489 comment = comment[match.end():] | |
| 490 if not case.problem.config.maxexitcode: | |
| 491 if case.process.returncode: | |
| 492 raise WrongAnswer(comment) | |
| 493 else: | |
|
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494 return 1, comment |
| 21 | 495 else: |
|
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496 return case.process.returncode / case.problem.config.maxexitcode, comment |
| 21 | 497 |
| 498 | |
| 499 class BatchTestCase(ValidatedTestCase): | |
| 500 __slots__ = () | |
| 501 | |
| 22 | 502 def test(case, callback): |
| 503 init_canceled() | |
| 21 | 504 if sys.platform == 'win32' or not case.maxmemory: |
| 505 preexec_fn = None | |
| 506 else: | |
| 507 def preexec_fn(): | |
| 508 try: | |
| 509 import resource | |
| 510 maxmemory = int(case.maxmemory * 1048576) | |
| 511 resource.setrlimit(resource.RLIMIT_AS, (maxmemory, maxmemory)) | |
| 512 # I would also set a CPU time limit but I do not want the time | |
| 513 # that passes between the calls to fork and exec to be counted in | |
| 514 except MemoryError: | |
| 515 # We do not have enough memory for ourselves; | |
| 516 # let the parent know about this | |
| 517 raise | |
| 518 except Exception: | |
| 519 # Well, at least we tried | |
| 520 pass | |
| 521 case.open_infile() | |
| 522 case.time_started = None | |
| 523 if case.problem.config.stdio: | |
| 54 | 524 if options.erase and not case.validator or not case.problem.config.inname: |
| 22 | 525 # TODO: re-use the same file name if possible |
| 21 | 526 # FIXME: 2.5 lacks the delete parameter |
| 527 with tempfile.NamedTemporaryFile(delete=False) as f: | |
| 22 | 528 inputdatafname = f.name |
|
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529 contextmgr = CopyDeleting(case, case.infile, inputdatafname) |
| 21 | 530 else: |
| 531 inputdatafname = case.problem.config.inname | |
|
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532 contextmgr = Copying(case.infile, inputdatafname) |
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533 with contextmgr: |
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534 # FIXME: this U doesn't do anything good for the child process, does it? |
| 22 | 535 with open(inputdatafname, 'rU') as infile: |
| 536 with tempfile.TemporaryFile('w+') if options.erase and not case.validator else open(case.problem.config.outname, 'w+') as outfile: | |
|
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537 if call is not None: |
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538 call(case.problem.config.path, case=case, stdin=infile, stdout=outfile, stderr=devnull, universal_newlines=True, bufsize=-1, preexec_fn=preexec_fn) |
|
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539 else: |
| 22 | 540 try: |
|
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541 try: |
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542 case.process = Popen(case.problem.config.path, stdin=infile, stdout=outfile, stderr=devnull, universal_newlines=True, bufsize=-1, preexec_fn=preexec_fn) |
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543 except MemoryError: |
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544 # If there is not enough memory for the forked test.py, |
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545 # opt for silent dropping of the limit |
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546 # TODO: show a warning somewhere |
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547 case.process = Popen(case.problem.config.path, stdin=infile, stdout=outfile, stderr=devnull, universal_newlines=True, bufsize=-1) |
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548 except OSError: |
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549 raise CannotStartTestee(sys.exc_info()[1]) |
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550 case.time_started = clock() |
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551 time_next_check = case.time_started + .15 |
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552 if not case.maxtime: |
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553 while True: |
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554 exitcode, now = case.process.poll(), clock() |
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555 if exitcode is not None: |
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556 case.time_stopped = now |
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557 break |
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558 # For some reason (probably Microsoft's fault), |
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559 # msvcrt.kbhit() is slow as hell |
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560 else: |
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561 if now >= time_next_check: |
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562 if canceled(): |
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563 raise CanceledByUser |
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564 else: |
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565 time_next_check = now + .15 |
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566 time.sleep(.001) |
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567 else: |
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568 time_end = case.time_started + case.maxtime |
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569 while True: |
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570 exitcode, now = case.process.poll(), clock() |
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571 if exitcode is not None: |
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572 case.time_stopped = now |
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573 break |
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574 elif now >= time_end: |
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575 raise TimeLimitExceeded |
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576 else: |
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577 if now >= time_next_check: |
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578 if canceled(): |
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579 raise CanceledByUser |
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580 else: |
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581 time_next_check = now + .15 |
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582 time.sleep(.001) |
|
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583 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
| 22 | 584 raise NonZeroExitCode(case.process.returncode) |
| 585 callback() | |
| 586 case.has_called_back = True | |
| 587 outfile.seek(0) | |
| 588 return case.validate(outfile) | |
| 21 | 589 else: |
| 22 | 590 case.infile.copy(case.problem.config.inname) |
|
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591 if call is not None: |
|
56
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592 call(case.problem.config.path, case=case, stdin=devnull, stdout=devnull, stderr=STDOUT, preexec_fn=preexec_fn) |
|
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593 else: |
| 21 | 594 try: |
|
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595 try: |
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596 case.process = Popen(case.problem.config.path, stdin=devnull, stdout=devnull, stderr=STDOUT, preexec_fn=preexec_fn) |
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597 except MemoryError: |
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598 # If there is not enough memory for the forked test.py, |
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599 # opt for silent dropping of the limit |
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600 # TODO: show a warning somewhere |
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601 case.process = Popen(case.problem.config.path, stdin=devnull, stdout=devnull, stderr=STDOUT) |
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602 except OSError: |
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603 raise CannotStartTestee(sys.exc_info()[1]) |
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604 case.time_started = clock() |
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605 time_next_check = case.time_started + .15 |
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606 if not case.maxtime: |
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607 while True: |
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608 exitcode, now = case.process.poll(), clock() |
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609 if exitcode is not None: |
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610 case.time_stopped = now |
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611 break |
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612 else: |
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613 if now >= time_next_check: |
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614 if canceled(): |
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615 raise CanceledByUser |
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616 else: |
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617 time_next_check = now + .15 |
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618 time.sleep(.001) |
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619 else: |
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620 time_end = case.time_started + case.maxtime |
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621 while True: |
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622 exitcode, now = case.process.poll(), clock() |
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623 if exitcode is not None: |
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624 case.time_stopped = now |
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625 break |
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626 elif now >= time_end: |
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627 raise TimeLimitExceeded |
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628 else: |
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629 if now >= time_next_check: |
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630 if canceled(): |
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631 raise CanceledByUser |
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632 else: |
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633 time_next_check = now + .15 |
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634 time.sleep(.001) |
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635 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
| 21 | 636 raise NonZeroExitCode(case.process.returncode) |
| 22 | 637 callback() |
| 638 case.has_called_back = True | |
| 21 | 639 with open(case.problem.config.outname, 'rU') as output: |
| 640 return case.validate(output) | |
| 641 | |
| 642 | |
| 643 # This is the only test case type not executing any programs to be tested | |
| 644 class OutputOnlyTestCase(ValidatedTestCase): | |
| 645 __slots__ = () | |
| 646 def cleanup(case): pass | |
| 647 | |
| 648 class BestOutputTestCase(ValidatedTestCase): | |
| 649 __slots__ = () | |
| 650 | |
| 651 # This is the only test case type executing two programs simultaneously | |
| 652 class ReactiveTestCase(TestCase): | |
| 653 __slots__ = () | |
| 654 # The basic idea is to launch the program to be tested and the grader | |
| 655 # and to pipe their standard I/O from and to each other, | |
| 656 # and then to capture the grader's exit code and use it | |
| 26 | 657 # like the exit code of an output validator is used. |
| 21 | 658 |
| 659 | |
| 660 def load_problem(prob, _types={'batch' : BatchTestCase, | |
| 661 'outonly' : OutputOnlyTestCase, | |
| 662 'bestout' : BestOutputTestCase, | |
| 663 'reactive': ReactiveTestCase}): | |
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664 # We will need to iterate over these configuration variables twice |
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665 try: |
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666 len(prob.config.dummies) |
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667 except Exception: |
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668 prob.config.dummies = tuple(prob.config.dummies) |
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669 try: |
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670 len(prob.config.tests) |
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671 except Exception: |
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672 prob.config.tests = tuple(prob.config.tests) |
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673 |
| 23 | 674 if options.legacy: |
| 675 prob.config.usegroups = False | |
| 58 | 676 newtests = [] |
| 23 | 677 for i, name in enumerate(prob.config.tests): |
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678 # Same here; we'll need to iterate over them twice |
| 23 | 679 try: |
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680 l = len(name) |
| 23 | 681 except Exception: |
| 682 try: | |
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683 name = tuple(name) |
| 23 | 684 except TypeError: |
|
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685 name = (name,) |
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686 l = len(name) |
| 58 | 687 if l > 1: |
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688 prob.config.usegroups = True |
| 58 | 689 newtests.append(name) |
| 690 if prob.config.usegroups: | |
| 691 prob.config.tests = newtests | |
| 692 del newtests | |
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693 |
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694 # First get prob.cache.padoutput right, |
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695 # then yield the actual test cases |
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696 for i in prob.config.dummies: |
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697 s = 'sample ' + str(i).zfill(prob.config.paddummies) |
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698 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
| 16 | 699 if prob.config.usegroups: |
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700 for group in prob.config.tests: |
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701 for i in group: |
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702 s = str(i).zfill(prob.config.padtests) |
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703 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
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704 for i in prob.config.dummies: |
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705 s = str(i).zfill(prob.config.paddummies) |
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706 yield _types[prob.config.kind](prob, s, True, 0) |
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707 for group in prob.config.tests: |
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708 yield problem.TestGroup() |
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709 for i in group: |
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710 s = str(i).zfill(prob.config.padtests) |
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711 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))) |
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712 yield problem.test_context_end |
| 16 | 713 else: |
| 714 for i in prob.config.tests: | |
| 21 | 715 s = str(i).zfill(prob.config.padtests) |
| 716 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) | |
| 717 for i in prob.config.dummies: | |
| 718 s = str(i).zfill(prob.config.paddummies) | |
| 719 yield _types[prob.config.kind](prob, s, True, 0) | |
| 720 for i in prob.config.tests: | |
| 721 s = str(i).zfill(prob.config.padtests) | |
| 722 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))) |