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"""
Copyright 2007, 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
REMOTE_CANARY = "***REMOTE_ERROR***"
# this is kind of handy, so keep it around for now
# but we really need to fix out server side logging and error
# reporting so we don't need it
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 remove_exceptions(results):
"""
Used by forkbomb/jobthing to avoid storing exceptions in database
because you know those don't serialize so well :)
# FIXME: this needs cleanup
"""
if results is None:
return REMOTE_CANARY
if str(results).startswith("<Fault"):
return REMOTE_CANARY
if type(results) == xmlrpclib.Fault:
return REMOTE_CANARY
if type(results) == dict:
new_results = {}
for x in results.keys():
value = results[x]
if str(value).find("<Fault") == -1:
# there are interesting issues with the way it is imported and type()
# so that is why this hack is here. type(x) != xmlrpclib.Fault appears to miss some things
new_results[x] = value
else:
new_results[x] = REMOTE_CANARY
return new_results
return results
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