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"""
Copyright 2007-2008, Red Hat, Inc
see AUTHORS
This software may be freely redistributed under the terms of the GNU
general public license.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
import os
import string
import sys
import traceback
import xmlrpclib
import socket
REMOTE_ERROR = "REMOTE_ERROR"
def trace_me():
x = traceback.extract_stack()
bar = string.join(traceback.format_list(x))
return bar
def daemonize(pidfile=None):
"""
Daemonize this process with the UNIX double-fork trick.
Writes the new PID to the provided file name if not None.
"""
print pidfile
pid = os.fork()
if pid > 0:
sys.exit(0)
os.setsid()
os.umask(0)
pid = os.fork()
if pid > 0:
if pidfile is not None:
open(pidfile, "w").write(str(pid))
sys.exit(0)
def nice_exception(etype, evalue, etb):
etype = str(etype)
lefti = etype.index("'") + 1
righti = etype.rindex("'")
nicetype = etype[lefti:righti]
nicestack = string.join(traceback.format_list(traceback.extract_tb(etb)))
return [ REMOTE_ERROR, nicetype, str(evalue), nicestack ]
def get_hostname():
fqdn = socket.getfqdn()
host = socket.gethostname()
if fqdn.find(host) != -1:
return fqdn
else:
return host
def is_error(result):
if type(result) != list:
return False
if len(result) == 0:
return False
if result[0] == REMOTE_ERROR:
return True
return False
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