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使用check_output函数时出现警告,我无法重定向警告。我认为stderr只会带来错误,subprocess.check_output不能处理警告(虽然不确定)。任何人都可以建议需要重定向python check_output中的警告
def getSnapshot(volumeName):
try:
snapID, snapAttach = check_output(["openstack", "volume", "snapshot", "list", "--volume", volumeName, "-c", "Name", "-c", "ID", "-f", "value"]).rstrip().split()
myDict['snapshot'] = [snapAttach, snapID]
except ValueError:
myDict['snapshot'] = None
return myDict
警告类型:
WARNING: openstackclient.common.utils is deprecated and will be removed after Jun 2017. Please use osc_lib.utils. This warning is caused by an out-of-date import in /usr/local/lib/python2.7/dist-packages/heatclient/osc/plugin.py\nIgnoring domain related config project_domain_id because identity API version is 2.0\n
为什么不解决与OpenStack的问题,而不是在你的Python脚本中解决它呢? :D – AK47
它运行在我没有访问的其他服务器上。 –
警告应该在'stdin'或'stderr'中。没有像“stdwarn”这样的想法。你会在哪里看到警告? – sauerburger