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Python Popen.communicate方法代碼示例

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)
開發者ID:gluster,項目名稱:glusterfs,代碼行數:47,代碼來源:subcmds.py


注:本文中的resource.Popen.communicate方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。