cf6c63456b
PEP 8 calls for it, because it's forward compatible with Python 3.
Supported since Python 2.6, which we require (commit fec2103).
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <1450425164-24969-3-git-send-email-armbru@redhat.com>
127 lines
3.1 KiB
Python
Executable File
127 lines
3.1 KiB
Python
Executable File
#!/usr/bin/python
|
|
#
|
|
# QMP command line tool
|
|
#
|
|
# Copyright IBM, Corp. 2011
|
|
#
|
|
# Authors:
|
|
# Anthony Liguori <aliguori@us.ibm.com>
|
|
#
|
|
# This work is licensed under the terms of the GNU GPLv2 or later.
|
|
# See the COPYING file in the top-level directory.
|
|
|
|
import sys, os
|
|
from qmp import QEMUMonitorProtocol
|
|
|
|
def print_response(rsp, prefix=[]):
|
|
if type(rsp) == list:
|
|
i = 0
|
|
for item in rsp:
|
|
if prefix == []:
|
|
prefix = ['item']
|
|
print_response(item, prefix[:-1] + ['%s[%d]' % (prefix[-1], i)])
|
|
i += 1
|
|
elif type(rsp) == dict:
|
|
for key in rsp.keys():
|
|
print_response(rsp[key], prefix + [key])
|
|
else:
|
|
if len(prefix):
|
|
print '%s: %s' % ('.'.join(prefix), rsp)
|
|
else:
|
|
print '%s' % (rsp)
|
|
|
|
def main(args):
|
|
path = None
|
|
|
|
# Use QMP_PATH if it's set
|
|
if os.environ.has_key('QMP_PATH'):
|
|
path = os.environ['QMP_PATH']
|
|
|
|
while len(args):
|
|
arg = args[0]
|
|
|
|
if arg.startswith('--'):
|
|
arg = arg[2:]
|
|
if arg.find('=') == -1:
|
|
value = True
|
|
else:
|
|
arg, value = arg.split('=', 1)
|
|
|
|
if arg in ['path']:
|
|
if type(value) == str:
|
|
path = value
|
|
elif arg in ['help']:
|
|
os.execlp('man', 'man', 'qmp')
|
|
else:
|
|
print 'Unknown argument "%s"' % arg
|
|
|
|
args = args[1:]
|
|
else:
|
|
break
|
|
|
|
if not path:
|
|
print "QMP path isn't set, use --path=qmp-monitor-address or set QMP_PATH"
|
|
return 1
|
|
|
|
if len(args):
|
|
command, args = args[0], args[1:]
|
|
else:
|
|
print 'No command found'
|
|
print 'Usage: "qmp [--path=qmp-monitor-address] qmp-cmd arguments"'
|
|
return 1
|
|
|
|
if command in ['help']:
|
|
os.execlp('man', 'man', 'qmp')
|
|
|
|
srv = QEMUMonitorProtocol(path)
|
|
srv.connect()
|
|
|
|
def do_command(srv, cmd, **kwds):
|
|
rsp = srv.cmd(cmd, kwds)
|
|
if rsp.has_key('error'):
|
|
raise Exception(rsp['error']['desc'])
|
|
return rsp['return']
|
|
|
|
commands = map(lambda x: x['name'], do_command(srv, 'query-commands'))
|
|
|
|
srv.close()
|
|
|
|
if command not in commands:
|
|
fullcmd = 'qmp-%s' % command
|
|
try:
|
|
os.environ['QMP_PATH'] = path
|
|
os.execvp(fullcmd, [fullcmd] + args)
|
|
except OSError as exc:
|
|
if exc.errno == 2:
|
|
print 'Command "%s" not found.' % (fullcmd)
|
|
return 1
|
|
raise
|
|
return 0
|
|
|
|
srv = QEMUMonitorProtocol(path)
|
|
srv.connect()
|
|
|
|
arguments = {}
|
|
for arg in args:
|
|
if not arg.startswith('--'):
|
|
print 'Unknown argument "%s"' % arg
|
|
return 1
|
|
|
|
arg = arg[2:]
|
|
if arg.find('=') == -1:
|
|
value = True
|
|
else:
|
|
arg, value = arg.split('=', 1)
|
|
|
|
if arg in ['help']:
|
|
os.execlp('man', 'man', 'qmp-%s' % command)
|
|
return 1
|
|
|
|
arguments[arg] = value
|
|
|
|
rsp = do_command(srv, command, **arguments)
|
|
print_response(rsp)
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main(sys.argv[1:]))
|