def child_callback(self, child_id, record):
"""
\brief Processes records received by the child node
\param child_id identifier of the child that received the record
\param record dictionary representing the received record
"""
if record.is_last():
# XXX SEND ALL
self.status.completed(child_id)
return
key = self.key.get_field_names()
# DISTINCT not implemented, just forward the record
if not key:
Log.critical("No key associated to UNION operator")
self.send(record)
return
# Send records that have no key
if not Record.has_fields(record, key):
Log.info(
"UNION::child_callback sent record without key '%(key)s': %(record)r",
**locals())
self.send(record)
return
key_value = Record.get_value(record, key)
if key_value in self.key_map:
Log.debug("UNION::child_callback merged duplicate records: %r" %
record)
prev_record = self.key_map[key_value]
for k, v in record.items():
if not k in prev_record:
prev_record[k] = v
continue
if isinstance(v, list):
if not prev_record[k]:
prev_record[k] = list(
) # with failures it can occur that this is None
prev_record[k].extend(v) # DUPLICATES ?
#else:
# if not v == previous[k]:
# print "W: ignored conflictual field"
# # else: nothing to do
else:
self.key_map[key_value] = record
def check_python_daemon(self):
"""
\brief Check whether python-daemon is properly installed
\return True if everything is file, False otherwise
"""
# http://www.python.org/dev/peps/pep-3143/
ret = False
try:
import daemon
getattr(daemon, "DaemonContext")
ret = True
except AttributeError, e:
print e
# daemon and python-daemon conflict with each other
Log.critical(
"Please install python-daemon instead of daemon. Remove daemon first."
)
class Daemon(object):
__metaclass__ = Singleton
DEFAULTS = {
# Running
"uid": os.getuid(),
"gid": os.getgid(),
"working_directory": "/",
"debugmode": False,
"no_daemon": False,
"pid_filename": "/var/run/%s.pid" % Options().get_name()
}
#-------------------------------------------------------------------------
# Checks
#-------------------------------------------------------------------------
def check_python_daemon(self):
"""
\brief Check whether python-daemon is properly installed
\return True if everything is file, False otherwise
"""
# http://www.python.org/dev/peps/pep-3143/
ret = False
try:
import daemon
getattr(daemon, "DaemonContext")
ret = True
except AttributeError, e:
print e
# daemon and python-daemon conflict with each other
Log.critical(
"Please install python-daemon instead of daemon. Remove daemon first."
)
except ImportError:
Log.critical(
"Please install python-daemon - easy_install python-daemon.")
