本文整理汇总了Python中mrjob.launch.MRJobLauncher类的典型用法代码示例。如果您正苦于以下问题：Python MRJobLauncher类的具体用法？Python MRJobLauncher怎么用？Python MRJobLauncher使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了MRJobLauncher类的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: main
def main():
parser = ArgumentParser()
parser.add_argument('output', help='ZipNum Cluster Output directory')
parser.add_argument('inputs', nargs='+', help='CDX Input glob eg: /cdx/*.cdx.gz')
parser.add_argument('-s', '--shards', default=10, type=int,
help='Number of ZipNum Cluster shards to create')
parser.add_argument('-l', '--numlines', default=3000, type=int,
help='Number of lines per gzip block (default 3000)')
parser.add_argument('-p', '--parallel', action='store_true',
help='Run in parllel (multiple maps/reducer processes)')
r = parser.parse_args()
MRJobLauncher.set_up_logging(quiet=False,
verbose=False,
stream=sys.stderr)
log.setLevel(logging.INFO)
compat_log = logging.getLogger('mrjob.compat')
compat_log.setLevel(logging.ERROR)
run_job(r.inputs, r.output, r.shards, r.parallel, r.numlines)
build_summary_and_loc(r.output)示例2: test_hadoop_runner
def test_hadoop_runner(self):
# you can't instantiate a HadoopJobRunner without Hadoop installed
launcher = MRJobLauncher(args=["--no-conf", "-r", "hadoop", "", "--hadoop-streaming-jar", "HUNNY"])
with no_handlers_for_logger("mrjob.runner"):
with patch.dict(os.environ, {"HADOOP_HOME": "100-Acre Wood"}):
with launcher.make_runner() as runner:
self.assertIsInstance(runner, HadoopJobRunner)示例3: test_hadoop_runner
def test_hadoop_runner(self):
# you can't instantiate a HadoopJobRunner without Hadoop installed
launcher = MRJobLauncher(args=['--no-conf', '-r', 'hadoop', '',
'--hadoop-streaming-jar', 'HUNNY'])
with no_handlers_for_logger('mrjob.runner'):
with patch.dict(os.environ, {'HADOOP_HOME': '100-Acre Wood'}):
with launcher.make_runner() as runner:
self.assertIsInstance(runner, HadoopJobRunner)示例4: test_no_output
def test_no_output(self):
launcher = MRJobLauncher(args=['--no-conf', '--no-output', ''])
launcher.sandbox()
with patch.object(launcher, 'make_runner') as m_make_runner:
runner = RunnerStub()
_mock_context_mgr(m_make_runner, runner)
runner.stream_output.return_value = ['a line']
launcher.run_job()
self.assertEqual(launcher.stdout.getvalue(), '')
self.assertEqual(launcher.stderr.getvalue(), '')示例5: test_no_output
def test_no_output(self):
launcher = MRJobLauncher(args=["--no-conf", "--no-output", ""])
launcher.sandbox()
with patch.object(launcher, "make_runner") as m_make_runner:
runner = Mock()
_mock_context_mgr(m_make_runner, runner)
runner.stream_output.return_value = ["a line"]
launcher.run_job()
self.assertEqual(launcher.stdout.getvalue(), "")
self.assertEqual(launcher.stderr.getvalue(), "")示例6: test_no_file_args_required
def test_no_file_args_required(self):
words1 = self.makefile('words1', b'kit and caboodle\n')
words2 = self.makefile('words2', b'baubles\nbangles and beads\n')
job = MRJobLauncher(
args=['-r', 'local', tests.sr_wc.__file__, words1, words2])
job.sandbox()
with job.make_runner() as runner:
runner.run()
lines = list(to_lines(runner.cat_output()))
self.assertEqual(len(lines), 1)
self.assertEqual(int(lines[0]), 7)示例7: _make_launcher
def _make_launcher(self, *args):
"""Make a launcher, add a mock runner (``launcher.mock_runner``), and
set it up so that ``launcher.make_runner().__enter__()`` returns
``launcher.mock_runner()``.
"""
launcher = MRJobLauncher(args=['--no-conf', ''] + list(args))
launcher.sandbox()
launcher.mock_runner = Mock()
launcher.mock_runner.stream_output.return_value = [b'a line\n']
launcher.make_runner = MagicMock() # include __enter__
launcher.make_runner.return_value.__enter__.return_value = (
launcher.mock_runner)
return launcher示例8: test_emr_runner
def test_emr_runner(self):
launcher = MRJobLauncher(args=['--no-conf', '-r', 'emr', ''])
with no_handlers_for_logger('mrjob.runner'):
with launcher.make_runner() as runner:
self.assertIsInstance(runner, EMRJobRunner)示例9: test_emr_runner
def test_emr_runner(self):
launcher = MRJobLauncher(args=["--no-conf", "-r", "emr", ""])
with no_handlers_for_logger("mrjob"):
with patch_fs_s3():
with launcher.make_runner() as runner:
self.assertIsInstance(runner, EMRJobRunner)示例10: test_local_runner
def test_local_runner(self):
launcher = MRJobLauncher(args=["--no-conf", "-r", "local", ""])
with no_handlers_for_logger("mrjob.runner"):
with launcher.make_runner() as runner:
self.assertIsInstance(runner, LocalMRJobRunner)