examples: Replace sys.exit() with exit()

No need to import sys.

Signed-off-by: Philipp Hahn <hahn@univention.de>

examples/dhcpleases.py

@@ -4,7 +4,6 @@ Print leases info for a given virtual network
 """
 
 import libvirt
-import sys
 import time
 from argparse import ArgumentParser
 
@@ -18,18 +17,18 @@ try:
     conn = libvirt.open(args.uri)
 except libvirt.libvirtError:
     print("Unable to open connection to libvirt")
-    sys.exit(1)
+    exit(1)
 
 try:
     net = conn.networkLookupByName(args.network)
 except libvirt.libvirtError:
     print("Network %s not found" % args.network)
-    sys.exit(0)
+    exit(0)
 
 leases = net.DHCPLeases()
 if not leases:
     print("Failed to get leases for %s" % net.name())
-    sys.exit(0)
+    exit(0)
 
 def toIPAddrType(addrType: int) -> str:
     if addrType == libvirt.VIR_IP_ADDR_TYPE_IPV4:

examples/dominfo.py

@@ -4,7 +4,6 @@ Print information about the domain DOMAIN
 """
 
 import libvirt
-import sys
 import libxml2
 from argparse import ArgumentParser
 from typing import Any
@@ -37,14 +36,14 @@ try:
     conn = libvirt.openReadOnly(None)
 except libvirt.libvirtError:
     print('Failed to open connection to the hypervisor')
-    sys.exit(1)
+    exit(1)
 
 try:
     dom = conn.lookupByName(args.domain)
     # Annoyiingly, libvirt prints its own error message here
 except libvirt.libvirtError:
     print("Domain %s is not running" % args.domain)
-    sys.exit(0)
+    exit(0)
 
 info = dom.info()
 print_section("Domain info")

examples/domipaddrs.py

@@ -4,7 +4,6 @@ Print domain interfaces along with their MAC and IP addresses
 """
 
 import libvirt
-import sys
 from argparse import ArgumentParser
 
 IPTYPE = {
@@ -17,7 +16,7 @@ def print_dom_ifaces(dom: libvirt.virDomain) -> None:
     ifaces = dom.interfaceAddresses(libvirt.VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE)
     if ifaces is None:
         print("Failed to get domain interfaces")
-        sys.exit(0)
+        exit(0)
 
     print(" {0:10} {1:20} {2:12} {3}".format(
         "Interface", "MAC address", "Protocol", "Address"))
@@ -50,7 +49,7 @@ if __name__ == "__main__":
         dom = conn.lookupByName(args.domain)
     except libvirt.libvirtError:
         print("Domain %s not found" % args.domain)
-        sys.exit(0)
+        exit(0)
 
     print_dom_ifaces(dom)
     conn.close()

examples/domrestore.py

@@ -5,7 +5,6 @@ It is assumed that all files in DIR are images of domU's previously created with
 """
 
 import libvirt
-import sys
 import os
 from argparse import ArgumentParser
 
@@ -20,7 +19,7 @@ try:
     conn = libvirt.open(None)
 except libvirt.libvirtError:
     print('Failed to open connection to the hypervisor')
-    sys.exit(1)
+    exit(1)
 
 for img in imgs:
     file = os.path.join(args.dir, img)

examples/domsave.py

@@ -5,7 +5,6 @@ DIR must exist and be writable by this process.
 """
 
 import libvirt
-import sys
 import os
 from argparse import ArgumentParser
 
@@ -18,7 +17,7 @@ try:
     conn = libvirt.open(None)
 except libvirt.libvirtError:
     print('Failed to open connection to the hypervisor')
-    sys.exit(1)
+    exit(1)
 
 doms = conn.listDomainsID()
 for id in doms:

examples/domstart.py

@@ -5,7 +5,6 @@ If the domain is not running, create it.
 """
 
 import libvirt
-import sys
 import libxml2
 from argparse import ArgumentParser
 from typing import Tuple
@@ -33,7 +32,7 @@ try:
     conn = libvirt.open(None)
 except libvirt.libvirtError:
     print('Failed to open connection to the hypervisor')
-    sys.exit(1)
+    exit(1)
 
 try:
     dom = conn.lookupByName(name)
@@ -42,6 +41,6 @@ except libvirt.libvirtError:
     dom = conn.createLinux(xmldesc, 0)
     if dom is None:
         print("failed")
-        sys.exit(1)
+        exit(1)
     else:
         print("done")

examples/esxlist.py

@@ -5,7 +5,6 @@ List active domains of an ESX host and print some info.
 # also demonstrates how to use the libvirt.openAuth() method
 
 import libvirt
-import sys
 import libxml2
 import getpass
 from argparse import ArgumentParser
@@ -96,7 +95,7 @@ try:
     conn = libvirt.openAuth(uri, auth, 0)
 except libvirt.libvirtError:
     print("Failed to open connection to %s" % args.hostname)
-    sys.exit(1)
+    exit(1)
 
 state_names = { libvirt.VIR_DOMAIN_RUNNING  : "running",
                 libvirt.VIR_DOMAIN_BLOCKED  : "idle",

examples/guest-vcpus/guest-vcpu.py

@@ -5,7 +5,6 @@ used by guest-vcpu-daemon.py example
 """
 
 import libvirt
-import sys
 from argparse import ArgumentParser
 
 customXMLuri = "guest-cpu.python.libvirt.org"
@@ -28,14 +27,14 @@ if flags == 0 or args.config:
 
     if confvcpus < args.count:
         print("Persistent domain configuration has only " + str(confvcpus) + " vcpus configured")
-        sys.exit(1)
+        exit(1)
 
 if flags == 0 or args.live:
     livevcpus = dom.vcpusFlags(libvirt.VIR_DOMAIN_AFFECT_LIVE)
 
     if livevcpus < args.count:
         print("Live domain configuration has only " + str(livevcpus) + " vcpus configured")
-        sys.exit(1)
+        exit(1)
 
 if flags == 0 or args.live:
     dom.setVcpusFlags(args.count, libvirt.VIR_DOMAIN_AFFECT_LIVE | libvirt.VIR_DOMAIN_VCPU_GUEST)

examples/nodestats.py

@@ -5,7 +5,6 @@
 #   Michal Privoznik <mprivozn@redhat.com>
 
 import libvirt
-import sys
 from xml.dom import minidom
 import libxml2
 from typing import Any, Dict  # noqa F401
@@ -22,13 +21,13 @@ try:
     conn = libvirt.openReadOnly(None)
 except libvirt.libvirtError:
     print("Failed to connect to the hypervisor")
-    sys.exit(1)
+    exit(1)
 
 try:
     capsXML = conn.getCapabilities()
 except libvirt.libvirtError:
     print("Failed to request capabilities")
-    sys.exit(1)
+    exit(1)
 
 caps = minidom.parseString(capsXML)
 cells = caps.getElementsByTagName("cells")[0]

examples/topology.py

@@ -7,20 +7,19 @@
 #   Peter Krempa <pkrempa@redhat.com>
 
 import libvirt
-import sys
 from xml.dom import minidom
 
 try:
     conn = libvirt.openReadOnly(None)
 except libvirt.libvirtError:
     print('Failed to connect to the hypervisor')
-    sys.exit(1)
+    exit(1)
 
 try:
     capsXML = conn.getCapabilities()
 except libvirt.libvirtError:
     print('Failed to request capabilities')
-    sys.exit(1)
+    exit(1)
 
 caps = minidom.parseString(capsXML)
 host = caps.getElementsByTagName('host')[0]