本文整理匯總了Python中resource.Popen.communicate方法的典型用法代碼示例。如果您正苦於以下問題:Python Popen.communicate方法的具體用法?Python Popen.communicate怎麽用?Python Popen.communicate使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類resource.Popen
的用法示例。
在下文中一共展示了Popen.communicate方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: subcmd_voluuidget
# 需要導入模塊: from resource import Popen [as 別名]
# 或者: from resource.Popen import communicate [as 別名]
def subcmd_voluuidget(args):
from subprocess import Popen, PIPE
import xml.etree.ElementTree as XET
ParseError = XET.ParseError if hasattr(XET, 'ParseError') else SyntaxError
cmd = ['gluster', '--xml', '--remote-host=' + args.host,
'volume', 'info', args.volname]
if args.inet6:
cmd.append("--inet6")
po = Popen(cmd, bufsize=0,
stdin=None, stdout=PIPE, stderr=PIPE,
universal_newlines=True)
vix, err = po.communicate()
if po.returncode != 0:
logging.info(lf("Volume info failed, unable to get "
"volume uuid of slavevol, "
"returning empty string",
slavevol=args.volname,
slavehost=args.host,
error=po.returncode))
return ""
vi = XET.fromstring(vix)
if vi.find('opRet').text != '0':
logging.info(lf("Unable to get volume uuid of slavevol, "
"returning empty string",
slavevol=args.volname,
slavehost=args.host,
error=vi.find('opErrstr').text))
return ""
try:
voluuid = vi.find("volInfo/volumes/volume/id").text
except (ParseError, AttributeError, ValueError) as e:
logging.info(lf("Parsing failed to volume uuid of slavevol, "
"returning empty string",
slavevol=args.volname,
slavehost=args.host,
error=e))
voluuid = ""
print(voluuid)