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From: Philipp Hahn
To: libvir-list@redhat.com
Subject: [PATCH v2] doc/python: Update to Python 3
Date: Mon, 20 Apr 2020 15:01:11 +0200
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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
Signed-off-by: Philipp Hahn
Reviewed-by: Daniel P. Berrang=C3=A9
---
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
- state: one of the state values (virDomainState)
- maxMem=
ory: the maximum memory used by the domain
- memory: the current amou=
nt of memory used by the domain
- nbVirtCPU: the number of virtual CP=
U
- 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=
span>.libvirtError:
+ print('Failed to open connection to the hypervisor')
sys.exit(1)
=20
try:
dom0 =3D conn.lookupByName("Domain-0")
-except:
- print 'Failed to find the main domain'
+except libvirt=
span>.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: