Beispiel #1
0
    def get_generator(self, filename, flags):
        from dmoj.executors import executors
        from dmoj.config import InvalidInitException

        filename = os.path.abspath(filename)
        cache_key = filename, tuple(flags)
        if cache_key in self._cache:
            return self._cache[cache_key]

        try:
            with open(filename) as file:
                source = file.read()
        except:
            traceback.print_exc()
            raise IOError('could not read generator source')

        def find_cpp():
            for grader in ('CPP14', 'CPP11', 'CPP0X', 'CPP'):
                if grader in executors:
                    return grader
            raise InvalidInitException(
                "can't grade with generator; why did I get this submission?")

        lookup = {
            '.py': executors.get('PY2', None),
            '.py3': executors.get('PY3', None),
            '.c': executors.get('C', None),
            '.cpp': executors.get(find_cpp(), None),
            '.java': executors.get('JAVA', None),
            '.rb': executors.get('RUBY', None)
        }
        ext = os.path.splitext(filename)[1]
        pass_platform_flags = ['.c', '.cpp']

        if pass_platform_flags:
            flags += ['-DWINDOWS_JUDGE', '-DWIN32'
                      ] if os.name == 'nt' else ['-DLINUX_JUDGE']

        clazz = lookup.get(ext, None)
        if not clazz:
            raise IOError('could not identify generator extension')
        clazz = clazz.Executor

        if hasattr(clazz, 'flags'):
            # We shouldn't be mutating the base class flags
            # See https://github.com/DMOJ/judge/issues/174
            clazz = type('FlaggedExecutor', (clazz, ),
                         {'flags': flags + list(clazz.flags)})

        try:
            # _ so we can't possibly conflict with submission source file name (e.g. /problem/generator submitted in C++)
            # _ is not a valid char in problem codes
            executor = clazz('_generator', source)
        except CompileError as err:
            # Strip ansi codes from CompileError message so we don't get wacky displays on the site like
            # 01m[K_generator.cpp:26:23:[m[K [01;31m[Kerror: [m[K'[01m[Kgets[m[K' was not declared in this scope
            raise CompileError(ansi.strip_ansi(err.message))

        self._cache[cache_key] = executor
        return executor
Beispiel #2
0
    def log_internal_error(self,
                           exc: BaseException = None,
                           message: str = None) -> None:
        if not message:
            # If exc exists, raise it so that sys.exc_info() is populated with its data.
            if exc:
                try:
                    raise exc
                except KeyboardInterrupt:
                    # Let KeyboardInterrupt bubble up.
                    raise
                except:  # noqa: E722, we want to catch everything
                    pass

            message = ''.join(traceback.format_exception(*sys.exc_info()))

        logger.error(message)

        try:
            # Strip ANSI from the message, since this might be a checker's CompileError ...we don't want to see the raw
            # ANSI codes from GCC/Clang on the site. We could use format_ansi and send HTML to the site, but the site
            # doesn't presently support HTML internal error formatting.
            self.packet_manager.internal_error_packet(strip_ansi(message))
        except Exception:  # noqa E722: don't want `log_internal_error` to trigger `log_internal_error`, ever
            logger.exception(
                'Error encountered while reporting error to site!')
Beispiel #3
0
    def get_generator(self, filename, flags):
        from dmoj.executors import executors
        from dmoj.config import InvalidInitException

        filename = os.path.abspath(filename)
        cache_key = filename, tuple(flags)
        if cache_key in self._cache:
            return self._cache[cache_key]

        try:
            with open(filename) as file:
                source = file.read()
        except:
            traceback.print_exc()
            raise IOError('could not read generator source')

        def find_cpp():
            for grader in ('CPP14', 'CPP11', 'CPP0X', 'CPP'):
                if grader in executors:
                    return grader
            raise InvalidInitException(
                "can't grade with generator; why did I get this submission?")

        lookup = {
            '.py': executors.get('PY2', None),
            '.py3': executors.get('PY3', None),
            '.c': executors.get('C', None),
            '.cpp': executors.get(find_cpp(), None),
            '.java': executors.get('JAVA', None),
            '.rb': executors.get('RUBY', None)
        }
        ext = os.path.splitext(filename)[1]
        pass_platform_flags = ['.c', '.cpp']

        if pass_platform_flags:
            flags += ['-DWINDOWS_JUDGE', '-DWIN32'
                      ] if os.name == 'nt' else ['-DLINUX_JUDGE']

        clazz = lookup.get(ext, None)
        if not clazz:
            raise IOError('could not identify generator extension')

        try:
            executor = clazz.Executor('_generator', source)
        except CompileError as err:
            # Strip ansi codes from CompileError message so we don't get wacky displays on the site like
            # 01m[K_generator.cpp:26:23:[m[K [01;31m[Kerror: [m[K'[01m[Kgets[m[K' was not declared in this scope
            raise CompileError(ansi.strip_ansi(err.message))

        if hasattr(executor, 'flags'):
            executor.flags += flags

        self._cache[cache_key] = executor
        return executor
Beispiel #4
0
    def get_generator(self, filenames, flags, lang=None):
        from dmoj.executors import executors

        filenames = map(os.path.abspath, filenames)
        sources = {}

        try:
            for filename in filenames:
                with open(filename, 'r') as f:
                    sources[os.path.basename(filename)] = f.read()
        except:
            traceback.print_exc()
            raise IOError('could not read generator source')

        def find_runtime(languages):
            for grader in languages:
                if grader in executors:
                    return grader
            return None

        use_cpp = any(map(lambda name: os.path.splitext(name)[1] == '.cpp', filenames))
        if lang is None:
            best_choices = ('CPP17', 'CPP14', 'CPP11', 'CPP0X', 'CPP03') if use_cpp else ('C11', 'C')
            lang = find_runtime(best_choices)

        clazz = executors.get(lang)
        if not clazz:
            raise IOError('could not find a C++ executor for generator')

        clazz = clazz.Executor

        if hasattr(clazz, 'flags'):
            flags += ['-DWINDOWS_JUDGE', '-DWIN32'] if os.name == 'nt' else ['-DLINUX_JUDGE']

            # We shouldn't be mutating the base class flags.
            # See <https://github.com/DMOJ/judge/issues/174>.
            clazz = type('FlaggedExecutor', (clazz,), {'flags': flags + list(clazz.flags)})

        try:
            # Optimize the common case.
            if use_cpp:
                # Some generators (like those using testlib.h) take an extremely long time
                # to compile, so we cache them.
                executor = clazz('_generator', None, aux_sources=sources, cached=True)
            else:
                if len(sources) > 1:
                    raise InternalError('non-C/C++ generator cannot be multi-file')
                executor = clazz('_generator', list(sources.values())[0])
        except CompileError as err:
            # Strip ANSI codes from CompileError message so we don't get wacky displays on the site like
            # 01m[K_generator.cpp:26:23:[m[K [01;31m[Kerror: [m[K'[01m[Kgets[m[K' was not declared in this scope
            raise CompileError(ansi.strip_ansi(err.args[0]))

        return executor
Beispiel #5
0
    def internal_error(self, exc=None):
        # If exc is exists, raise it so that sys.exc_info() is populated with its data
        if exc:
            try:
                raise exc
            except:
                pass
        exc = sys.exc_info()

        message = ''.join(traceback.format_exception(*exc))

        # Strip ANSI from the message, since this might be a checker's CompileError
        # ...we don't want to see the raw ANSI codes from GCC/Clang on the site.
        # We could use format_ansi and send HTML to the site, but the site doesn't presently support HTML
        # internal error formatting.
        self.packet_manager.internal_error_packet(strip_ansi(message))

        # Logs can contain ANSI, and it'll display fine
        print(message, file=sys.stderr)
Beispiel #6
0
    def internal_error(self, exc=None):
        # If exc is exists, raise it so that sys.exc_info() is populated with its data
        if exc:
            try:
                raise exc
            except:
                pass
        exc = sys.exc_info()

        message = ''.join(traceback.format_exception(*exc))
        
        # Strip ANSI from the message, since this might be a checker's CompileError
        # ...we don't want to see the raw ANSI codes from GCC/Clang on the site.
        # We could use format_ansi and send HTML to the site, but the site doesn't presently support HTML
        # internal error formatting.
        self.packet_manager.internal_error_packet(strip_ansi(message))
        
        # Logs can contain ANSI, and it'll display fine
        print >>sys.stderr, message
Beispiel #7
0
    def get_generator(self, filename, flags):
        from dmoj.executors import executors

        filename = os.path.abspath(filename)
        cache_key = filename, tuple(flags)
        if cache_key in self._cache:
            return self._cache[cache_key]

        try:
            with open(filename) as file:
                source = file.read()
        except:
            traceback.print_exc()
            raise IOError('could not read generator source')

        def find_runtime(languages):
            for grader in languages:
                if grader in executors:
                    return grader
            return None

        lookup = {
            '.py':
            executors.get('PY2', None),
            '.py3':
            executors.get('PY3', None),
            '.c':
            executors.get('C', None),
            '.cpp':
            executors.get(find_runtime(('CPP14', 'CPP11', 'CPP0X', 'CPP03')),
                          None),
            '.java':
            executors.get(find_runtime(('JAVA9', 'JAVA8', 'JAVA7')), None),
            '.rb':
            executors.get(find_runtime(('RUBY21', 'RUBY19', 'RUBY18')), None)
        }
        ext = os.path.splitext(filename)[1]
        pass_platform_flags = ['.c', '.cpp']

        if pass_platform_flags:
            flags += ['-DWINDOWS_JUDGE', '-DWIN32'
                      ] if os.name == 'nt' else ['-DLINUX_JUDGE']

        clazz = lookup.get(ext, None)
        if not clazz:
            raise IOError('could not identify generator extension')
        clazz = clazz.Executor

        if hasattr(clazz, 'flags'):
            # We shouldn't be mutating the base class flags
            # See https://github.com/DMOJ/judge/issues/174
            clazz = type('FlaggedExecutor', (clazz, ),
                         {'flags': flags + list(clazz.flags)})

        try:
            executor = clazz('_generator', source)
        except CompileError as err:
            # Strip ansi codes from CompileError message so we don't get wacky displays on the site like
            # 01m[K_generator.cpp:26:23:[m[K [01;31m[Kerror: [m[K'[01m[Kgets[m[K' was not declared in this scope
            raise CompileError(ansi.strip_ansi(err.message))

        self._cache[cache_key] = executor
        return executor