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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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20
examples/domsave.py
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@ -1,22 +1,20 @@
#!/usr/bin/env python3
# domstart - make sure a given domU is running, if not start it
"""
Save all currently running domU's into DIR.
DIR must exist and be writable by this process.
"""
import libvirt
import sys
import os
import libxml2
import pdb
from argparse import ArgumentParser
def usage() -> None:
print('Usage: %s DIR' % sys.argv[0])
print(' Save all currently running domU\'s into DIR')
print(' DIR must exist and be writable by this process')
if len(sys.argv) != 2:
usage()
sys.exit(2)
dir = sys.argv[1]
parser = ArgumentParser(description=__doc__)
parser.add_argument("dir")
args = parser.parse_args()
try:
conn = libvirt.open(None)
@ -30,7 +28,7 @@ for id in doms:
continue
dom = conn.lookupByID(id)
print("Saving %s[%d] ... " % (dom.name(), id))
path = os.path.join(dir, dom.name())
path = os.path.join(args.dir, dom.name())
ret = dom.save(path)
if ret == 0:
print("done")