From nobody Fri May 3 06:05:30 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) client-ip=205.139.110.120; envelope-from=libvir-list-bounces@redhat.com; helo=us-smtp-1.mimecast.com; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1587362542; cv=none; d=zohomail.com; s=zohoarc; b=cKAru/fKWhRAk42laKwakfe02wd6a2zBKLIMdv3rCsLXZONRcWJAb1gNG4J6rybEWDnAXBC1DvwdwTXIodFtVK9mTjdTrp/aTWxR+S6CDqrqGUVTUcZu5ROfeyvtvL0y5bI0Kci4B/fGfBoccSNZ9CapoRxfPoE/G6ZGJs7pyPA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1587362542; h=Content-Type:Content-Transfer-Encoding:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=JALltIsncJNLi1LeSTtD3+RVcqBhXc3h22+0zZoUvuM=; b=Dc0VJ15sK7BmUvkieXmO7GZ+b8eKBhXfS9i9Q5p8v0eMRPXK01l/kg7oG4ClFKjPfYQB6YGlrNVdArLqic8bIpxUDhM3L64PEhxjYdd/lF9TI0RoSV71KvsSBA+a79fGZ1cmL/f5qTfBXCIRD8TqOVYgQ8bn+XCye+l8mPh5qyA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com Return-Path: Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by mx.zohomail.com with SMTPS id 1587362542547140.28354412601925; Sun, 19 Apr 2020 23:02:22 -0700 (PDT) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-420-_yOgYFKTO5aC3AMpUWcxWA-1; Mon, 20 Apr 2020 02:02:18 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DD9CE18C35A1; Mon, 20 Apr 2020 06:02:12 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CB8D71001DDE; Mon, 20 Apr 2020 06:02:10 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 0716493901; Mon, 20 Apr 2020 06:02:08 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 03K626WG025043 for ; Mon, 20 Apr 2020 02:02:07 -0400 Received: by smtp.corp.redhat.com (Postfix) id C20E8AF7BC; Mon, 20 Apr 2020 06:02:06 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast01.extmail.prod.ext.rdu2.redhat.com [10.11.55.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BE867AF7A7 for ; Mon, 20 Apr 2020 06:02:04 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 728A18EE319 for ; Mon, 20 Apr 2020 06:02:04 +0000 (UTC) Received: from mail.univention.de (mail.univention.de [82.198.197.8]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-232-UWYew7feOJCfuoRItKFYbg-1; Mon, 20 Apr 2020 02:02:01 -0400 Received: from localhost (localhost [127.0.0.1]) by solig.knut.univention.de (Postfix) with ESMTP id 155CA8E320BA for ; Mon, 20 Apr 2020 08:01:59 +0200 (CEST) Received: from mail.univention.de ([127.0.0.1]) by localhost (solig.knut.univention.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bfiKy7hDejHK; Mon, 20 Apr 2020 08:01:55 +0200 (CEST) Received: from fixa.knut.univention.de (p5B21E7E0.dip0.t-ipconnect.de [91.33.231.224]) by solig.knut.univention.de (Postfix) with ESMTPSA id 451918E320B0; Mon, 20 Apr 2020 08:01:55 +0200 (CEST) Received: by fixa.knut.univention.de (Postfix, from userid 2260) id C482715F6A7; Mon, 20 Apr 2020 08:01:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587362541; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=JALltIsncJNLi1LeSTtD3+RVcqBhXc3h22+0zZoUvuM=; b=i7Oszju96zXV8HSTWfgDVsre2406kJOOjV3nSCoPeGiauUa7D8rgPn0OXgfBsXaro+aTyF NWwQK86BaG61t7xfQMXxs6Gs4UPDJrzUJHdZ5DiZCPHgl3y6CotOw2AeDFP2ZXZ6ubciXb ZU35KOZoZ7JUKDJ+dgLden85U9VoFmo= X-MC-Unique: _yOgYFKTO5aC3AMpUWcxWA-1 X-MC-Unique: UWYew7feOJCfuoRItKFYbg-1 X-Virus-Scanned: by amavisd-new-2.10.1 (20141025) (Debian) at knut.univention.de From: Philipp Hahn To: libvir-list@redhat.com Subject: [PATCH] doc/python: Update to Python 3 Date: Mon, 20 Apr 2020 08:01:54 +0200 Message-Id: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 03K626WG025043 X-loop: libvir-list@redhat.com X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Convert the simple example to Python 3 syntax: - print() is a function - do not use bare except - libvirt.open*() does not return None but raises an exception The referenced source for the example was removed with 5bb2a245abbde4c0a407f631660e2f2c81bc4c02 --- docs/python.html.in | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/docs/python.html.in b/docs/python.html.in index e6e8cfade9..0f804da8c3 100644 --- a/docs/python.html.in +++ b/docs/python.html.in @@ -38,24 +38,24 @@ specificities in their argument conversions:

is replaced by virDomain::info() which returns a list of
  1. state: one of the state values (virDomainState)
  2. maxMem= ory: the maximum memory used by the domain
  3. memory: the current amou= nt of memory used by the domain
  4. nbVirtCPU: the number of virtual CP= U
  5. cpuTime: the time used by the domain in nanoseconds
-

So let's look at a simple example inspired from the basic.py<= /code> -test found in python/tests/ in the source tree:

+

So let's look at a simple example:

import =
libvirt
 import sys
=20
-conn =3D libvirt=
.openReadOnly(None)
-if conn =3D=3D None:
-    print 'Failed to open connection to the hypervisor'
+try:
+    conn =3D lib=
virt.openReadOnly(None)
+except libvirt.libvirtError:
+    print('Failed to open connection to the hypervisor')
     sys.exit(1)
=20
 try:
     dom0 =3D conn.libvirt.libvirtError:
+    print('Failed to find the main domain')
     sys.exit(1)
=20
-print "Domain 0: id %d running %s" % (dom0.ID(), dom0.OSType())
-print dom0.info<=
/span>()
+print("Domain 0: id %d running %s" % (dom0.ID(), dom0.OSType())) +print(dom0.info<= /span>())

There is not much to comment about it, it really is a straight mapp= ing from the C API, the only points to notice are:

    --=20 2.20.1