本文整理汇总了Python中tornado.process.Subprocess.STREAM属性的典型用法代码示例。如果您正苦于以下问题：Python Subprocess.STREAM属性的具体用法？Python Subprocess.STREAM怎么用？Python Subprocess.STREAM使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类tornado.process.Subprocess的用法示例。
在下文中一共展示了Subprocess.STREAM属性的13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_subprocess
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_subprocess(self):
subproc = Subprocess([sys.executable, '-u', '-i'],
stdin=Subprocess.STREAM,
stdout=Subprocess.STREAM, stderr=subprocess.STDOUT,
io_loop=self.io_loop)
self.addCleanup(lambda: os.kill(subproc.pid, signal.SIGTERM))
subproc.stdout.read_until(b'>>> ', self.stop)
self.wait()
subproc.stdin.write(b"print('hello')\n")
subproc.stdout.read_until(b'\n', self.stop)
data = self.wait()
self.assertEqual(data, b"hello\n")
subproc.stdout.read_until(b">>> ", self.stop)
self.wait()
subproc.stdin.write(b"raise SystemExit\n")
subproc.stdout.read_until_close(self.stop)
data = self.wait()
self.assertEqual(data, b"") 示例2: test_subprocess
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_subprocess(self):
if IOLoop.configured_class().__name__.endswith('LayeredTwistedIOLoop'):
# This test fails non-deterministically with LayeredTwistedIOLoop.
# (the read_until('\n') returns '\n' instead of 'hello\n')
# This probably indicates a problem with either TornadoReactor
# or TwistedIOLoop, but I haven't been able to track it down
# and for now this is just causing spurious travis-ci failures.
raise unittest.SkipTest("Subprocess tests not compatible with "
"LayeredTwistedIOLoop")
subproc = Subprocess([sys.executable, '-u', '-i'],
stdin=Subprocess.STREAM,
stdout=Subprocess.STREAM, stderr=subprocess.STDOUT)
self.addCleanup(lambda: (subproc.proc.terminate(), subproc.proc.wait()))
self.addCleanup(subproc.stdout.close)
self.addCleanup(subproc.stdin.close)
yield subproc.stdout.read_until(b'>>> ')
subproc.stdin.write(b"print('hello')\n")
data = yield subproc.stdout.read_until(b'\n')
self.assertEqual(data, b"hello\n")
yield subproc.stdout.read_until(b">>> ")
subproc.stdin.write(b"raise SystemExit\n")
data = yield subproc.stdout.read_until_close()
self.assertEqual(data, b"") 示例3: test_subprocess
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_subprocess(self):
if IOLoop.configured_class().__name__.endswith('LayeredTwistedIOLoop'):
# This test fails non-deterministically with LayeredTwistedIOLoop.
# (the read_until('\n') returns '\n' instead of 'hello\n')
# This probably indicates a problem with either TornadoReactor
# or TwistedIOLoop, but I haven't been able to track it down
# and for now this is just causing spurious travis-ci failures.
raise unittest.SkipTest("Subprocess tests not compatible with "
"LayeredTwistedIOLoop")
subproc = Subprocess([sys.executable, '-u', '-i'],
stdin=Subprocess.STREAM,
stdout=Subprocess.STREAM, stderr=subprocess.STDOUT,
io_loop=self.io_loop)
self.addCleanup(lambda: os.kill(subproc.pid, signal.SIGTERM))
subproc.stdout.read_until(b'>>> ', self.stop)
self.wait()
subproc.stdin.write(b"print('hello')\n")
subproc.stdout.read_until(b'\n', self.stop)
data = self.wait()
self.assertEqual(data, b"hello\n")
subproc.stdout.read_until(b">>> ", self.stop)
self.wait()
subproc.stdin.write(b"raise SystemExit\n")
subproc.stdout.read_until_close(self.stop)
data = self.wait()
self.assertEqual(data, b"") 示例4: test_close_stdin
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_close_stdin(self):
# Close the parent's stdin handle and see that the child recognizes it.
subproc = Subprocess([sys.executable, '-u', '-i'],
stdin=Subprocess.STREAM,
stdout=Subprocess.STREAM, stderr=subprocess.STDOUT,
io_loop=self.io_loop)
self.addCleanup(lambda: os.kill(subproc.pid, signal.SIGTERM))
subproc.stdout.read_until(b'>>> ', self.stop)
self.wait()
subproc.stdin.close()
subproc.stdout.read_until_close(self.stop)
data = self.wait()
self.assertEqual(data, b"\n") 示例5: test_stderr
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_stderr(self):
subproc = Subprocess([sys.executable, '-u', '-c',
r"import sys; sys.stderr.write('hello\n')"],
stderr=Subprocess.STREAM,
io_loop=self.io_loop)
self.addCleanup(lambda: os.kill(subproc.pid, signal.SIGTERM))
subproc.stderr.read_until(b'\n', self.stop)
data = self.wait()
self.assertEqual(data, b'hello\n') 示例6: test_subprocess
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_subprocess(self):
if IOLoop.configured_class().__name__.endswith("LayeredTwistedIOLoop"):
# This test fails non-deterministically with LayeredTwistedIOLoop.
# (the read_until('\n') returns '\n' instead of 'hello\n')
# This probably indicates a problem with either TornadoReactor
# or TwistedIOLoop, but I haven't been able to track it down
# and for now this is just causing spurious travis-ci failures.
raise unittest.SkipTest(
"Subprocess tests not compatible with " "LayeredTwistedIOLoop"
)
subproc = Subprocess(
[sys.executable, "-u", "-i"],
stdin=Subprocess.STREAM,
stdout=Subprocess.STREAM,
stderr=subprocess.STDOUT,
)
self.addCleanup(lambda: self.term_and_wait(subproc))
self.addCleanup(subproc.stdout.close)
self.addCleanup(subproc.stdin.close)
yield subproc.stdout.read_until(b">>> ")
subproc.stdin.write(b"print('hello')\n")
data = yield subproc.stdout.read_until(b"\n")
self.assertEqual(data, b"hello\n")
yield subproc.stdout.read_until(b">>> ")
subproc.stdin.write(b"raise SystemExit\n")
data = yield subproc.stdout.read_until_close()
self.assertEqual(data, b"") 示例7: test_close_stdin
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_close_stdin(self):
# Close the parent's stdin handle and see that the child recognizes it.
subproc = Subprocess(
[sys.executable, "-u", "-i"],
stdin=Subprocess.STREAM,
stdout=Subprocess.STREAM,
stderr=subprocess.STDOUT,
)
self.addCleanup(lambda: self.term_and_wait(subproc))
yield subproc.stdout.read_until(b">>> ")
subproc.stdin.close()
data = yield subproc.stdout.read_until_close()
self.assertEqual(data, b"\n") 示例8: test_stderr
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_stderr(self):
# This test is mysteriously flaky on twisted: it succeeds, but logs
# an error of EBADF on closing a file descriptor.
subproc = Subprocess(
[sys.executable, "-u", "-c", r"import sys; sys.stderr.write('hello\n')"],
stderr=Subprocess.STREAM,
)
self.addCleanup(lambda: self.term_and_wait(subproc))
data = yield subproc.stderr.read_until(b"\n")
self.assertEqual(data, b"hello\n")
# More mysterious EBADF: This fails if done with self.addCleanup instead of here.
subproc.stderr.close() 示例9: test_sigchild_signal
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_sigchild_signal(self):
Subprocess.initialize()
self.addCleanup(Subprocess.uninitialize)
subproc = Subprocess(
[sys.executable, "-c", "import time; time.sleep(30)"],
stdout=Subprocess.STREAM,
)
self.addCleanup(subproc.stdout.close)
subproc.set_exit_callback(self.stop)
os.kill(subproc.pid, signal.SIGTERM)
try:
ret = self.wait(timeout=1.0)
except AssertionError:
# We failed to get the termination signal. This test is
# occasionally flaky on pypy, so try to get a little more
# information: did the process close its stdout
# (indicating that the problem is in the parent process's
# signal handling) or did the child process somehow fail
# to terminate?
fut = subproc.stdout.read_until_close()
fut.add_done_callback(lambda f: self.stop()) # type: ignore
try:
self.wait(timeout=1.0)
except AssertionError:
raise AssertionError("subprocess failed to terminate")
else:
raise AssertionError(
"subprocess closed stdout but failed to " "get termination signal"
)
self.assertEqual(subproc.returncode, ret)
self.assertEqual(ret, -signal.SIGTERM) 示例10: test_close_stdin
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_close_stdin(self):
# Close the parent's stdin handle and see that the child recognizes it.
subproc = Subprocess([sys.executable, '-u', '-i'],
stdin=Subprocess.STREAM,
stdout=Subprocess.STREAM, stderr=subprocess.STDOUT)
self.addCleanup(lambda: (subproc.proc.terminate(), subproc.proc.wait()))
yield subproc.stdout.read_until(b'>>> ')
subproc.stdin.close()
data = yield subproc.stdout.read_until_close()
self.assertEqual(data, b"\n") 示例11: test_stderr
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_stderr(self):
# This test is mysteriously flaky on twisted: it succeeds, but logs
# an error of EBADF on closing a file descriptor.
skip_if_twisted()
subproc = Subprocess([sys.executable, '-u', '-c',
r"import sys; sys.stderr.write('hello\n')"],
stderr=Subprocess.STREAM)
self.addCleanup(lambda: (subproc.proc.terminate(), subproc.proc.wait()))
data = yield subproc.stderr.read_until(b'\n')
self.assertEqual(data, b'hello\n')
# More mysterious EBADF: This fails if done with self.addCleanup instead of here.
subproc.stderr.close() 示例12: test_sigchild_signal
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def test_sigchild_signal(self):
skip_if_twisted()
Subprocess.initialize()
self.addCleanup(Subprocess.uninitialize)
subproc = Subprocess([sys.executable, '-c',
'import time; time.sleep(30)'],
stdout=Subprocess.STREAM)
self.addCleanup(subproc.stdout.close)
subproc.set_exit_callback(self.stop)
os.kill(subproc.pid, signal.SIGTERM)
try:
ret = self.wait(timeout=1.0)
except AssertionError:
# We failed to get the termination signal. This test is
# occasionally flaky on pypy, so try to get a little more
# information: did the process close its stdout
# (indicating that the problem is in the parent process's
# signal handling) or did the child process somehow fail
# to terminate?
subproc.stdout.read_until_close(callback=self.stop)
try:
self.wait(timeout=1.0)
except AssertionError:
raise AssertionError("subprocess failed to terminate")
else:
raise AssertionError("subprocess closed stdout but failed to "
"get termination signal")
self.assertEqual(subproc.returncode, ret)
self.assertEqual(ret, -signal.SIGTERM) 示例13: run_command_async
# 需要导入模块: from tornado.process import Subprocess [as 别名]
# 或者: from tornado.process.Subprocess import STREAM [as 别名]
def run_command_async(cmd):
"""
Run a command using the asynchronous `tornado.process.Subprocess`.
Parameters
----------
iterable
An iterable of command-line arguments to run in the subprocess.
Returns
-------
A tuple containing the (return code, stdout)
"""
process = Subprocess(cmd,
stdout=Subprocess.STREAM,
stderr=Subprocess.STREAM)
try:
yield process.wait_for_exit()
except CalledProcessError as err:
pass
code = process.returncode
out = yield process.stdout.read_until_close()
return (code, out.decode('utf-8'))
# Windows does not support async subprocesses, so
# use a synchronous system calls.