Python SessionState.previous_session_file方法代码示例

# 需要导入模块: from plainbox.impl.session import SessionState [as 别名]
# 或者: from plainbox.impl.session.SessionState import previous_session_file [as 别名]
    def _run_jobs(self, ns, job_list, exporter, transport=None):
        # Compute the run list, this can give us notification about problems in
        # the selected jobs. Currently we just display each problem
        matching_job_list = self._get_matching_job_list(ns, job_list)
        print("[ Analyzing Jobs ]".center(80, '='))
        # Create a session that handles most of the stuff needed to run jobs
        try:
            session = SessionState(job_list)
        except DependencyDuplicateError as exc:
            # Handle possible DependencyDuplicateError that can happen if
            # someone is using plainbox for job development.
            print("The job database you are currently using is broken")
            print("At least two jobs contend for the name {0}".format(
                exc.job.name))
            print("First job defined in: {0}".format(exc.job.origin))
            print("Second job defined in: {0}".format(
                exc.duplicate_job.origin))
            raise SystemExit(exc)
        with session.open():
            if session.previous_session_file():
                if self.ask_for_resume():
                    session.resume()
                else:
                    session.clean()
            self._update_desired_job_list(session, matching_job_list)
            if (sys.stdin.isatty() and sys.stdout.isatty() and not
                    ns.not_interactive):
                outcome_callback = self.ask_for_outcome
            else:
                outcome_callback = None
            runner = JobRunner(
                session.session_dir,
                session.jobs_io_log_dir,
                outcome_callback=outcome_callback,
                dry_run=ns.dry_run
            )
            self._run_jobs_with_session(ns, session, runner)
            # Get a stream with exported session data.
            exported_stream = io.BytesIO()
            data_subset = exporter.get_session_data_subset(session)
            exporter.dump(data_subset, exported_stream)
            exported_stream.seek(0)  # Need to rewind the file, puagh
            # Write the stream to file if requested
            self._save_results(ns.output_file, exported_stream)
            # Invoke the transport?
            if transport:
                exported_stream.seek(0)
                try:
                    transport.send(exported_stream.read())
                except InvalidSchema as exc:
                    print("Invalid destination URL: {0}".format(exc))
                except ConnectionError as exc:
                    print(("Unable to connect "
                           "to destination URL: {0}").format(exc))
                except HTTPError as exc:
                    print(("Server returned an error when "
                           "receiving or processing: {0}").format(exc))

        # FIXME: sensible return value
        return 0

# 需要导入模块: from plainbox.impl.session import SessionState [as 别名]
# 或者: from plainbox.impl.session.SessionState import previous_session_file [as 别名]
class SessionStateLocalStorageTests(TestCase):

    def setUp(self):
        # session data are kept in XDG_CACHE_HOME/plainbox/.session
        # To avoid resuming a real session, we have to select a temporary
        # location instead
        self._sandbox = tempfile.mkdtemp()
        self._env = os.environ
        os.environ['XDG_CACHE_HOME'] = self._sandbox

    def job_state(self, name):
        # A helper function to avoid overly long expressions
        return self.session.job_state_map[name]

    def test_persistent_save(self):
        self.job_A = make_job("A")
        self.job_list = [self.job_A]
        self.session = SessionState(self.job_list)
        result_A = JobResult({
            'job': self.job_A,
            'outcome': JobResult.OUTCOME_PASS,
            'comments': 'All good',
            'return_code': 0,
            'io_log': ((0, 'stdout', "Success !\n"),)
        })
        session_json_text = """{
            "_job_state_map": {
                "A": {
                    "_job": {
                        "data": {
                            "name": "A",
                            "plugin": "dummy",
                            "requires": null,
                            "depends": null
                        },
                        "_class_id": "JOB_DEFINITION"
                    },
                    "_result": {
                        "data": {
                            "job": {
                                "data": {
                                    "name": "A",
                                    "plugin": "dummy",
                                    "requires": null,
                                    "depends": null
                                },
                                "_class_id": "JOB_DEFINITION"
                            },
                            "outcome": "pass",
                            "return_code": 0,
                            "comments": "All good",
                            "io_log": [
                                [
                                    0,
                                    "stdout",
                                    "Success !\\n"
                                ]
                            ]
                        },
                        "_class_id": "JOB_RESULT"
                    },
                    "_class_id": "JOB_STATE"
                }
            },
            "_desired_job_list": [
                {
                    "data": {
                        "name": "A",
                        "plugin": "dummy",
                        "requires": null,
                        "depends": null
                    },
                    "_class_id": "JOB_DEFINITION"
                }
            ],
            "_class_id": "SESSION_STATE"
        }"""
        self.session.open()
        self.session.update_desired_job_list([self.job_A])
        self.session.update_job_result(self.job_A, result_A)
        self.session.persistent_save()
        session_file = self.session.previous_session_file()
        self.session.close()
        self.assertIsNotNone(session_file)
        with open(session_file) as f:
            raw_json = json.load(f)
            self.maxDiff = None
            self.assertEqual(raw_json, json.loads(session_json_text))

    def test_resume_session(self):
        # All of the tests below are using one session. The session has four
        # jobs, Job A depends on a resource provided by job R which has no
        # dependencies at all. Both Job X and Y depend on job A.
        #
        # A -(resource dependency)-> R
        #
        # X -(direct dependency) -> A
        #
        # Y -(direct dependency) -> A
        self.job_A = make_job("A", requires="R.attr == 'value'")
#.........这里部分代码省略.........