Files
libguestfs/python/t/420-log-messages.py
Richard W.M. Jones 92e1864913 events: Add a warning event and direct all warning messages through it.
This also causes warnings to be printed even in non-verbose mode,
which is useful.
2013-10-11 15:34:23 +01:00

53 lines
1.6 KiB
Python

# libguestfs Python bindings
# Copyright (C) 2011 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import os
import guestfs
g = guestfs.GuestFS (python_return_dict=True)
log_invoked = 0
def log_callback (ev,eh,buf,array):
global log_invoked
log_invoked += 1
if ev == guestfs.EVENT_APPLIANCE:
buf = buf.rstrip()
# Log what happened.
print ("python event logged: event=%s eh=%d buf='%s' array=%s" %
(guestfs.event_to_string (ev), eh, buf, array))
# Register an event callback for all log messages.
events = guestfs.EVENT_APPLIANCE | guestfs.EVENT_LIBRARY \
| guestfs.EVENT_WARNING | guestfs.EVENT_TRACE
g.set_event_callback (log_callback, events)
# Now make sure we see some messages.
g.set_trace (1)
g.set_verbose (1)
# Do some stuff.
g.add_drive_ro ("/dev/null")
g.set_autosync (1)
g.close ()
if log_invoked == 0:
raise "Error: log_invoked should be > 0"