本文整理汇总了Python中mrjob.inline.InlineMRJobRunner.cat_output方法的典型用法代码示例。如果您正苦于以下问题：Python InlineMRJobRunner.cat_output方法的具体用法？Python InlineMRJobRunner.cat_output怎么用？Python InlineMRJobRunner.cat_output使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类mrjob.inline.InlineMRJobRunner的用法示例。
在下文中一共展示了InlineMRJobRunner.cat_output方法的2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: test_cat_output
# 需要导入模块: from mrjob.inline import InlineMRJobRunner [as 别名]
# 或者: from mrjob.inline.InlineMRJobRunner import cat_output [as 别名]
def test_cat_output(self):
a_dir_path = os.path.join(self.tmp_dir, 'a')
b_dir_path = os.path.join(self.tmp_dir, 'b')
l_dir_path = os.path.join(self.tmp_dir, '_logs')
os.mkdir(a_dir_path)
os.mkdir(b_dir_path)
os.mkdir(l_dir_path)
a_file_path = os.path.join(a_dir_path, 'part-00000')
b_file_path = os.path.join(b_dir_path, 'part-00001')
c_file_path = os.path.join(self.tmp_dir, 'part-00002')
x_file_path = os.path.join(l_dir_path, 'log.xml')
y_file_path = os.path.join(self.tmp_dir, '_SUCCESS')
with open(a_file_path, 'w') as f:
f.write('A')
with open(b_file_path, 'w') as f:
f.write('B')
with open(c_file_path, 'w') as f:
f.write('C')
with open(x_file_path, 'w') as f:
f.write('<XML XML XML/>')
with open(y_file_path, 'w') as f:
f.write('I win')
runner = InlineMRJobRunner(conf_paths=[], output_dir=self.tmp_dir)
self.assertEqual(sorted(to_lines(runner.cat_output())),
[b'A', b'B', b'C'])示例2: TestCatOutput
# 需要导入模块: from mrjob.inline import InlineMRJobRunner [as 别名]
# 或者: from mrjob.inline.InlineMRJobRunner import cat_output [as 别名]
class TestCatOutput(SandboxedTestCase):
def setUp(self):
super(TestCatOutput, self).setUp()
self.output_dir = os.path.join(self.tmp_dir, 'job_output')
os.mkdir(self.output_dir)
self.runner = InlineMRJobRunner(
conf_paths=[], output_dir=self.output_dir)
def test_empty(self):
self.assertEqual(list(self.runner.cat_output()), [])
def test_typical_output(self):
# actual output
self.makefile(os.path.join(self.output_dir, 'part-00000'),
b'line0\n')
self.makefile(os.path.join(self.output_dir, 'part-00001'),
b'line1\n')
# hidden .crc file
self.makefile(os.path.join(self.output_dir, '.crc.part-00000'),
b'42\n')
# hidden _SUCCESS file (ignore)
self.makefile(os.path.join(self.output_dir, '_SUCCESS'),
b'such a relief!\n')
# hidden _logs dir
self.makefile(os.path.join(self.output_dir, '_logs', 'log.xml'),
b'pretty much the usual\n')
self.assertEqual(sorted(to_lines(self.runner.cat_output())),
[b'line0\n', b'line1\n'])
def test_output_in_subdirs(self):
# test for output being placed in subdirs, for example with nicknack
self.makefile(os.path.join(self.output_dir, 'a', 'part-00000'),
b'line-a0\n')
self.makefile(os.path.join(self.output_dir, 'a', 'part-00001'),
b'line-a1\n')
self.makefile(os.path.join(self.output_dir, 'b', 'part-00000'),
b'line-b0\n')
self.makefile(os.path.join(self.output_dir, 'b', '.crc.part-00000'),
b'42\n')
self.assertEqual(sorted(to_lines(self.runner.cat_output())),
[b'line-a0\n', b'line-a1\n', b'line-b0\n'])
def test_read_all_non_hidden_files(self):
self.makefile(os.path.join(self.output_dir, 'baz'),
b'qux\n')
self.makefile(os.path.join(self.output_dir, 'foo', 'bar'),
b'baz\n')
self.assertEqual(sorted(to_lines(self.runner.cat_output())),
[b'baz\n', b'qux\n'])
def test_empty_string_between_files(self):
self.makefile(os.path.join(self.output_dir, 'part-00000'), b'A')
self.makefile(os.path.join(self.output_dir, 'part-00001'), b'\n')
self.makefile(os.path.join(self.output_dir, 'part-00002'), b'C')
# order isn't guaranteed, but there should be 3 chunks separated
# by two empty strings
chunks = list(self.runner.cat_output())
self.assertEqual(len(chunks), 5)
self.assertEqual(chunks[1], b'')
self.assertEqual(chunks[3], b'')
def test_output_dir_not_considered_hidden(self):
output_dir = os.path.join(self.tmp_dir, '_hidden', '_output_dir')
self.makefile(os.path.join(output_dir, 'part-00000'),
b'cats\n')
runner = InlineMRJobRunner(conf_paths=[], output_dir=output_dir)
self.assertEqual(sorted(to_lines(runner.stream_output())),
[b'cats\n'])
def test_deprecated_stream_output(self):
self.makefile(os.path.join(self.output_dir, 'part-00000'),
b'1\n2')
self.makefile(os.path.join(self.output_dir, 'part-00001'),
b'3\n4\n')
log = self.start(patch('mrjob.runner.log'))
# should group output into lines, but not join across files
self.assertEqual(sorted(self.runner.stream_output()),
[b'1\n', b'2', b'3\n', b'4\n'])
# should issue deprecation warning
self.assertEqual(log.warning.call_count, 1)