Ejemplo n.º 1
0
 def test_alone_two_files(self):
     tt = Batch(["alone", ["", ""], "diff"])
     cc = tt.get_compilation_commands(["foo.%l", "bar.%l"])
     self.assertEqual(cc, {
         "L1": fake_compilation_commands(
             COMPILATION_COMMAND_1, ["foo.l1", "bar.l1"], "bar_foo"),
         "L2": fake_compilation_commands(
             COMPILATION_COMMAND_2, ["foo.l2", "bar.l2"], "bar_foo"),
     })
Ejemplo n.º 2
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 def test_grader(self):
     tt = Batch(["grader", ["", ""], "diff"])
     cc = tt.get_compilation_commands(["foo.%l"])
     self.assertEqual(cc, {
         "L1": fake_compilation_commands(
             COMPILATION_COMMAND_1, ["foo.l1", "grader.l1"], "foo"),
         "L2": fake_compilation_commands(
             COMPILATION_COMMAND_2, ["foo.l2", "grader.l2"], "foo"),
     })
Ejemplo n.º 3
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 def prepare(self, parameters, files=None, managers=None,
             compilation_step_return_value=(True, True, TEXT, STATS_OK)):
     tt = Batch(parameters)
     job = self.job(files, managers)
     if compilation_step_return_value is not None:
         self.compilation_step.return_value = compilation_step_return_value
     return tt, job
Ejemplo n.º 4
0
 def prepare(self, parameters, executables):
     tt = Batch(parameters)
     job = self.job(executables)
     self.evaluation_step.return_value = (True, True, STATS_OK)
     self.eval_output.return_value = (True, OUTCOME, TEXT)
     return tt, job
Ejemplo n.º 5
0
    def evaluate(self, job, file_cacher):
        """See TaskType.evaluate."""
        # f stand for first, s for second.
        if "user test" in job.info:
            return Batch(
                parameters=["grader", ("", ""), self.parameters[0]]).evaluate(
                    job, file_cacher)
        first_sandbox = create_sandbox(file_cacher, job.multithreaded_sandbox)
        second_sandbox = create_sandbox(file_cacher, job.multithreaded_sandbox)
        fifo_dir = tempfile.mkdtemp(dir=config.temp_dir)
        fifo = os.path.join(fifo_dir, "fifo")
        os.mkfifo(fifo)
        os.chmod(fifo_dir, 0o755)
        os.chmod(fifo, 0o666)

        language = get_language(job.language)
        # First step: we start the first manager.
        first_filename = "manager"
        first_command = language.get_evaluation_commands(first_filename,
                                                         main="grader",
                                                         args=["0", fifo])
        if len(first_command) > 1:
            job.success = False
            logger.error(
                "Language contains %d commands for "
                "evaluation, expecting 1",
                len(first_command),
                extra={"operation": job.info})
            return
        else:
            first_command = first_command[0]
        first_executables_to_get = {
            first_filename: job.executables[first_filename].digest
        }
        first_files_to_get = {"input.txt": job.input}
        first_allow_path = [fifo_dir]

        # Put the required files into the sandbox
        for filename, digest in first_executables_to_get.iteritems():
            first_sandbox.create_file_from_storage(filename,
                                                   digest,
                                                   executable=True)
        for filename, digest in first_files_to_get.iteritems():
            first_sandbox.create_file_from_storage(filename, digest)

        first = evaluation_step_before_run(first_sandbox,
                                           first_command,
                                           job.time_limit,
                                           job.memory_limit,
                                           first_allow_path,
                                           stdin_redirect="input.txt",
                                           wait=False)

        # Second step: we start the second manager.

        second_filename = "manager"
        second_command = language.get_evaluation_commands(second_filename,
                                                          main="grader",
                                                          args=["1", fifo])
        if len(second_command) > 1:
            job.success = False
            logger.error(
                "Language contains %d commands for "
                "evaluation, expecting 1",
                len(second_command),
                extra={"operation": job.info})
            return
        second_command = second_command[0]
        second_executables_to_get = {
            second_filename: job.executables[second_filename].digest
        }
        second_files_to_get = {}
        second_allow_path = [fifo_dir]

        # Put the required files into the second sandbox
        for filename, digest in second_executables_to_get.iteritems():
            second_sandbox.create_file_from_storage(filename,
                                                    digest,
                                                    executable=True)
        for filename, digest in second_files_to_get.iteritems():
            second_sandbox.create_file_from_storage(filename, digest)

        second = evaluation_step_before_run(second_sandbox,
                                            second_command,
                                            job.time_limit,
                                            job.memory_limit,
                                            second_allow_path,
                                            stdout_redirect="output.txt",
                                            wait=False)

        # Consume output.
        wait_without_std([second, first])
        # TODO: check exit codes with translate_box_exitcode.

        success_first, first_plus = \
            evaluation_step_after_run(first_sandbox)
        success_second, second_plus = \
            evaluation_step_after_run(second_sandbox)

        job.sandboxes = [first_sandbox.path, second_sandbox.path]
        job.plus = second_plus

        success = True
        outcome = None
        text = None

        # Error in the sandbox: report failure!
        if not success_first or not success_second:
            success = False

        # Contestant's error: the marks won't be good
        elif not is_evaluation_passed(first_plus) or \
                not is_evaluation_passed(second_plus):
            outcome = 0.0
            if not is_evaluation_passed(first_plus):
                text = human_evaluation_message(first_plus)
            else:
                text = human_evaluation_message(second_plus)
            if job.get_output:
                job.user_output = None

        # Otherwise, advance to checking the solution
        else:

            # Check that the output file was created
            if not second_sandbox.file_exists('output.txt'):
                outcome = 0.0
                text = [N_("Evaluation didn't produce file %s"), "output.txt"]
                if job.get_output:
                    job.user_output = None

            else:
                # If asked so, put the output file into the storage
                if job.get_output:
                    job.user_output = second_sandbox.get_file_to_storage(
                        "output.txt", "Output file in job %s" % job.info)

                # If not asked otherwise, evaluate the output file
                if not job.only_execution:
                    # Put the reference solution into the sandbox
                    second_sandbox.create_file_from_storage(
                        "res.txt", job.output)

                    # If a checker is not provided, use white-diff
                    if self.parameters[0] == "diff":
                        outcome, text = white_diff_step(
                            second_sandbox, "output.txt", "res.txt")

                    elif self.parameters[0] == "comparator":
                        if TwoSteps2017.CHECKER_FILENAME not in job.managers:
                            logger.error(
                                "Configuration error: missing or "
                                "invalid comparator (it must be "
                                "named `checker')",
                                extra={"operation": job.info})
                            success = False
                        else:
                            second_sandbox.create_file_from_storage(
                                TwoSteps2017.CHECKER_FILENAME,
                                job.managers[
                                    TwoSteps2017.CHECKER_FILENAME].digest,
                                executable=True)
                            # Rewrite input file, as in Batch.py
                            try:
                                second_sandbox.remove_file("input.txt")
                            except OSError as e:
                                assert not second_sandbox.file_exists(
                                    "input.txt")
                            second_sandbox.create_file_from_storage(
                                "input.txt", job.input)
                            success, _ = evaluation_step(
                                second_sandbox, [[
                                    "./%s" % TwoSteps2017.CHECKER_FILENAME,
                                    "input.txt", "res.txt", "output.txt"
                                ]],
                                allow_dirs=second_allow_path)
                            if success:
                                try:
                                    outcome, text = extract_outcome_and_text(
                                        second_sandbox)
                                except ValueError, e:
                                    logger.error(
                                        "Invalid output from "
                                        "comparator: %s",
                                        e.message,
                                        extra={"operation": job.info})
                                    success = False
                    else:
                        raise ValueError("Uncrecognized first parameter"
                                         " `%s' for TwoSteps tasktype." %
                                         self.parameters[0])
Ejemplo n.º 6
0
    def compile(self, job, file_cacher):
        """See TaskType.compile."""
        # Detect the submission's language. The checks about the
        # formal correctedness of the submission are done in CWS,
        # before accepting it.
        if "user test" in job.info:
            return Batch(
                parameters=["grader", ("", ""), self.parameters[0]]).compile(
                    job, file_cacher)
        language = get_language(job.language)
        source_ext = language.source_extension
        header_ext = language.header_extension

        # TODO: here we are sure that submission.files are the same as
        # task.submission_format. The following check shouldn't be
        # here, but in the definition of the task, since this actually
        # checks that task's task type and submission format agree.
        if len(job.files) != 1:
            job.success = True
            job.compilation_success = False
            job.plus = {}
            job.text = [N_("Invalid files in submission")]
            logger.error("Submission contains %d files, expecting 2",
                         len(job.files),
                         extra={"operation": job.info})
            return True

        # First and only one compilation.
        sandbox = create_sandbox(file_cacher, job.multithreaded_sandbox)
        job.sandboxes.append(sandbox.path)
        files_to_get = {}

        source_filenames = []

        # Manager.
        manager_filename = "grader%s" % source_ext
        source_filenames.append(manager_filename)
        files_to_get[manager_filename] = \
            job.managers[manager_filename].digest

        # User's submissions and headers.
        for filename, file_ in job.files.iteritems():
            source_filename = filename.replace(".%l", source_ext)
            source_filenames.append(source_filename)
            files_to_get[source_filename] = file_.digest
            # Headers (fixing compile error again here).
            if header_ext is not None:
                header_filename = filename.replace(".%l", header_ext)
                source_filenames.append(header_filename)
                files_to_get[header_filename] = \
                    job.managers[header_filename].digest

        for filename, digest in files_to_get.iteritems():
            sandbox.create_file_from_storage(filename, digest)

        # Get compilation command and compile.
        executable_filename = "manager"
        commands = language.get_compilation_commands(source_filenames,
                                                     executable_filename)
        operation_success, compilation_success, text, plus = \
            compilation_step(sandbox, commands)

        # Retrieve the compiled executables
        job.success = operation_success
        job.compilation_success = compilation_success
        job.plus = plus
        job.text = text
        if operation_success and compilation_success:
            digest = sandbox.get_file_to_storage(
                executable_filename,
                "Executable %s for %s" % (executable_filename, job.info))
            job.executables[executable_filename] = \
                Executable(executable_filename, digest)

        # Cleanup
        delete_sandbox(sandbox, job.success)