def update_feedback(self, check, error, process, result):
result.feedback = (
check.feedback
or (process.feedback if hasattr(process, 'feedback') else getattr(
self.binary, 'get_feedback', lambda x, y, z: '')(error, result,
process)))
if not result.feedback and result.get_main_code() == Result.RTE:
if hasattr(process,
'was_initialized') and not process.was_initialized:
# Process may failed to initialize, resulting in a SIGKILL without any prior signals.
# See <https://github.com/DMOJ/judge/issues/179> for more details.
result.feedback = 'failed initializing'
elif hasattr(process, 'signal'):
# I suppose generate a SIGKILL message is better when we don't know the signal that caused it.
result.feedback = strsignal(
process.signal).lower() if process.signal else 'killed'
# On Linux we can provide better help messages
if hasattr(process, 'protection_fault') and process.protection_fault:
syscall, callname, args = process.protection_fault
print_protection_fault(process.protection_fault)
callname = callname.replace('sys_', '', 1)
message = {
'open': 'opening files is not allowed',
}.get(callname, '%s syscall disallowed' % callname)
result.feedback = message
def grade(self, case):
result = Result(case)
case.input_data() # cache generator data
self._current_proc = self.binary.launch(time=self.problem.time_limit, memory=self.problem.memory_limit,
pipe_stderr=True,
unbuffered=case.config.unbuffered)
error = self._interact_with_process(case, result)
process = self._current_proc
result.max_memory = process.max_memory or 0.0
result.execution_time = process.execution_time or 0.0
result.r_execution_time = process.r_execution_time or 0.0
# checkers might crash if any data is None, so force at least empty string
check = case.checker()(result.proc_output or '',
case.output_data() or '',
submission_source=self.source,
judge_input=case.input_data() or '',
point_value=case.points)
# checkers must either return a boolean (True: full points, False: 0 points)
# or a CheckerResult, so convert to CheckerResult if it returned bool
if not isinstance(check, CheckerResult):
check = CheckerResult(check, case.points if check else 0.0)
result.result_flag |= [Result.WA, Result.AC][check.passed]
# Translate status codes/process results into Result object for status codes
if process.returncode > 0:
# print>> sys.stderr, 'Exited with error: %d' % process.returncode
result.result_flag |= Result.IR
if process.returncode < 0:
# None < 0 == True
# if process.returncode is not None:
# print>> sys.stderr, 'Killed by signal %d' % -process.returncode
result.result_flag |= Result.RTE # Killed by signal
if process.tle:
result.result_flag |= Result.TLE
if process.mle:
result.result_flag |= Result.MLE
if result.result_flag & ~Result.WA:
check.points = 0
result.points = check.points
result.feedback = (check.feedback or
(process.feedback if hasattr(process, 'feedback') else
getattr(self.binary, 'get_feedback', lambda x, y: '')(error, result)))
if not result.feedback and hasattr(process, 'signal') and process.signal and result.get_main_code() in [Result.IR, Result.RTE]:
result.feedback = strsignal(process.signal)
return result
def update_feedback(self, check, error, process, result):
result.feedback = (check.feedback or
(process.feedback if hasattr(process, 'feedback') else
getattr(self.binary, 'get_feedback', lambda x, y, z: '')(error, result, process)))
if not result.feedback and hasattr(process, 'signal') and process.signal and result.get_main_code() == Result.RTE:
result.feedback = strsignal(process.signal)
# On Linux we can provide better help messages
if hasattr(process, 'protection_fault') and process.protection_fault:
sigid, callname = process.protection_fault
callname = callname.replace('sys_', '', 1)
message = {
'open': 'opening files is not allowed',
'socketcall': 'accessing the network is not allowed',
'socket': 'accessing the network is not allowed',
'clone': 'threading is not allowed'
}.get(callname, '%s syscall disallowed' % callname)
result.feedback = message
def update_feedback(self, check, error, process, result):
result.feedback = (check.feedback or (process.feedback if hasattr(process, 'feedback') else
getattr(self.binary, 'get_feedback', lambda x, y, z: '')(error, result, process)))
if not result.feedback and result.get_main_code() == Result.RTE:
if hasattr(process, 'was_initialized') and not process.was_initialized:
# Process may failed to initialize, resulting in a SIGKILL without any prior signals.
# See <https://github.com/DMOJ/judge/issues/179> for more details.
result.feedback = 'failed initializing'
elif hasattr(process, 'signal'):
# I suppose generate a SIGKILL message is better when we don't know the signal that caused it.
result.feedback = strsignal(process.signal).lower() if process.signal else 'killed'
# On Linux we can provide better help messages
if hasattr(process, 'protection_fault') and process.protection_fault:
syscall, callname, args = process.protection_fault
print_protection_fault(process.protection_fault)
callname = callname.replace('sys_', '', 1)
message = '%s syscall disallowed' % callname
result.feedback = message
def grade(self, case):
result = Result(case)
case.input_data() # cache generator data
self._current_proc = self.binary.launch(
time=self.problem.time_limit,
memory=self.problem.memory_limit,
pipe_stderr=True,
unbuffered=case.config.unbuffered)
error = self._interact_with_process(case, result)
process = self._current_proc
result.max_memory = process.max_memory or 0.0
result.execution_time = process.execution_time or 0.0
result.r_execution_time = process.r_execution_time or 0.0
# checkers might crash if any data is None, so force at least empty string
check = case.checker()(result.proc_output or '',
case.output_data() or '',
submission_source=self.source,
judge_input=case.input_data() or '',
point_value=case.points)
# checkers must either return a boolean (True: full points, False: 0 points)
# or a CheckerResult, so convert to CheckerResult if it returned bool
if not isinstance(check, CheckerResult):
check = CheckerResult(check, case.points if check else 0.0)
result.result_flag |= [Result.WA, Result.AC][check.passed]
# Translate status codes/process results into Result object for status codes
if process.returncode > 0:
# print>> sys.stderr, 'Exited with error: %d' % process.returncode
result.result_flag |= Result.IR
if process.returncode < 0:
# None < 0 == True
# if process.returncode is not None:
# print>> sys.stderr, 'Killed by signal %d' % -process.returncode
result.result_flag |= Result.RTE # Killed by signal
if process.tle:
result.result_flag |= Result.TLE
if process.mle:
result.result_flag |= Result.MLE
if result.result_flag & ~Result.WA:
check.points = 0
result.points = check.points
result.feedback = (
check.feedback
or (process.feedback if hasattr(process, 'feedback') else getattr(
self.binary, 'get_feedback', lambda x, y: '')(error, result)))
if not result.feedback and hasattr(
process,
'signal') and process.signal and result.get_main_code() in [
Result.IR, Result.RTE
]:
result.feedback = strsignal(process.signal)
return result