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examples: Convert to ArgumentParser

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Replace getopt() and hand-rolled-parser with argparse.ArgumentParser.

Fix wrong header comments copy-pasted from domstart.py

Signed-off-by: Philipp Hahn <hahn@univention.de>
This commit is contained in:
Philipp Hahn
2020-07-28 07:05:19 +02:00
committed by Philipp Hahn
parent 9cf539a2a8
commit 06aba185a8
12 changed files with 142 additions and 235 deletions
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28
examples/domipaddrs.py
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@ -1,8 +1,11 @@
#!/usr/bin/env python3
# domipaddrs - print domain interfaces along with their MAC and IP addresses
"""
Print domain interfaces along with their MAC and IP addresses
"""
import libvirt
import sys
from argparse import ArgumentParser
IPTYPE = {
libvirt.VIR_IP_ADDR_TYPE_IPV4: "ipv4",
@ -33,29 +36,20 @@ def print_dom_ifaces(dom: libvirt.virDomain) -> None:
if __name__ == "__main__":
uri = None
name = None
args = len(sys.argv)
if args == 2:
name = sys.argv[1]
elif args == 3:
uri = sys.argv[1]
name = sys.argv[2]
else:
print("Usage: %s [URI] DOMAIN" % sys.argv[0])
print(" Print domain interfaces along with their MAC and IP addresses")
sys.exit(2)
parser = ArgumentParser(description=__doc__)
parser.add_argument("uri", nargs="?", default=None)
parser.add_argument("domain")
args = parser.parse_args()
try:
conn = libvirt.open(uri)
conn = libvirt.open(args.uri)
except libvirt.libvirtError:
raise SystemExit("Unable to open connection to libvirt")
try:
dom = conn.lookupByName(name)
dom = conn.lookupByName(args.domain)
except libvirt.libvirtError:
print("Domain %s not found" % name)
print("Domain %s not found" % args.domain)
sys.exit(0)
print_dom_ifaces(dom)