本文整理汇总了Python中neutron.common.utils.subprocess_popen函数的典型用法代码示例。如果您正苦于以下问题：Python subprocess_popen函数的具体用法？Python subprocess_popen怎么用？Python subprocess_popen使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了subprocess_popen函数的5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: execute
def execute(cmd, root_helper=None, process_input=None, addl_env=None,
check_exit_code=True, return_stderr=False):
if root_helper:
cmd = shlex.split(root_helper) + cmd
cmd = map(str, cmd)
LOG.debug(_("Running command: %s"), cmd)
env = os.environ.copy()
if addl_env:
env.update(addl_env)
try:
obj = utils.subprocess_popen(cmd, shell=False,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env)
_stdout, _stderr = (process_input and
obj.communicate(process_input) or
obj.communicate())
obj.stdin.close()
m = _("\nCommand: %(cmd)s\nExit code: %(code)s\nStdout: %(stdout)r\n"
"Stderr: %(stderr)r") % {'cmd': cmd, 'code': obj.returncode,
'stdout': _stdout, 'stderr': _stderr}
LOG.debug(m)
if obj.returncode and check_exit_code:
raise RuntimeError(m)
finally:
# NOTE(termie): this appears to be necessary to let the subprocess
# call clean something up in between calls, without
# it two execute calls in a row hangs the second one
greenthread.sleep(0)
return return_stderr and (_stdout, _stderr) or _stdout示例2: execute
def execute(cmd):
if not cmd:
return
cmd = map(str, cmd)
LOG.debug("Running command: %s", cmd)
env = os.environ.copy()
obj = utils.subprocess_popen(cmd, shell=False,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env)
_stdout, _stderr = obj.communicate()
msg = ('Command: %(cmd)s Exit code: %(returncode)s '
'Stdout: %(stdout)s Stderr: %(stderr)s' %
{'cmd': cmd,
'returncode': obj.returncode,
'stdout': _stdout,
'stderr': _stderr})
LOG.debug(msg)
obj.stdin.close()
# Pass the output to calling process
sys.stdout.write(msg)
sys.stdout.flush()
return obj.returncode示例3: execute
def execute(cmd, root_helper=None, process_input=None, addl_env=None,
check_exit_code=True, return_stderr=False):
if root_helper:
cmd = shlex.split(root_helper) + cmd
cmd = map(str, cmd)
LOG.debug(_("Running command: %s"), cmd)
env = os.environ.copy()
if addl_env:
env.update(addl_env)
obj = utils.subprocess_popen(cmd, shell=False,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env)
_stdout, _stderr = (process_input and
obj.communicate(process_input) or
obj.communicate())
obj.stdin.close()
m = _("\nCommand: %(cmd)s\nExit code: %(code)s\nStdout: %(stdout)r\n"
"Stderr: %(stderr)r") % {'cmd': cmd, 'code': obj.returncode,
'stdout': _stdout, 'stderr': _stderr}
LOG.debug(m)
if obj.returncode and check_exit_code:
raise RuntimeError(m)
return return_stderr and (_stdout, _stderr) or _stdout示例4: create_process
def create_process(cmd, run_as_root=False, addl_env=None):
"""Create a process object for the given command.
The return value will be a tuple of the process object and the
list of command arguments used to create it.
"""
cmd = map(str, addl_env_args(addl_env) + cmd)
if run_as_root:
cmd = shlex.split(config.get_root_helper(cfg.CONF)) + cmd
LOG.debug("Running command: %s", cmd)
obj = utils.subprocess_popen(
cmd, shell=False, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE
)
return obj, cmd示例5: create_process
def create_process(cmd, addl_env=None):
cmd = list(map(str, cmd))
LOG.debug("Running command: %s", cmd)
env = os.environ.copy()
if addl_env:
env.update(addl_env)
obj = utils.subprocess_popen(cmd, shell=False,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env,
preexec_fn=None,
close_fds=False)
return obj, cmd