diff --git a/gracedb/serialize/__init__.py b/gracedb/serialize/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/gracedb/serialize/utils.py b/gracedb/serialize/utils.py
new file mode 100644
index 0000000000000000000000000000000000000000..95e14ffd710b116ecace8e055cee9d058c35523c
--- /dev/null
+++ b/gracedb/serialize/utils.py
@@ -0,0 +1,437 @@
+#!/usr/bin/python
+
+from math import log
+from time import gmtime, strftime
+
+from pylal import Fr
+from glue.lal import LIGOTimeGPS
+from glue.ligolw import ligolw
+from glue.ligolw import table
+from glue.ligolw import lsctables
+
+##############################################################################
+#
+# useful variables
+#
+##############################################################################
+
+#Need these for each search: inspiral, burst, etc.
+InspiralCoincDef = lsctables.CoincDef(search = u"inspiral", \
+ search_coinc_type = 0, \
+ description = \
+ u"sngl_inspiral<-->sngl_inspiral coincidences")
+#these should work for both Omega and CWB
+BurstCoincDef = lsctables.CoincDef(search = u"burst", \
+ search_coinc_type = 0, \
+ description = \
+ u"coherent burst coincidences")
+
+#list of detectors participating in the coinc
+#MBTA only sends triples to gracedb at the time being so this list is
+#simply for convenience. burst and future inspiral searches should
+#construct this list on the fly
+H1L1V1_detlist = ['H1', 'L1', 'V1']
+H1L1_detlist = ['H1', 'L1']
+H1V1_detlist = ['H1', 'V1']
+L1V1_detlist = ['L1', 'V1']
+H1_detlist = ['H1']
+L1_detlist = ['L1']
+V1_detlist = ['V1']
+
+#this is the subset of SnglInspiralTable.validcolumn.keys() that
+#are assigned from MBTA coinc triggers
+MBTA_set_keys = ['ifo', 'search', 'end_time', 'end_time_ns', 'mass1', 'mass2',\
+ 'mchirp', 'mtotal', 'eta', 'snr', 'eff_distance', 'event_id',\
+ 'process_id', 'channel']
+#Omega
+Omega_set_keys = ['process_id', 'ifos', 'start_time', 'start_time_ns',\
+ 'duration', 'confidence', 'coinc_event_id']
+#CWB
+CWB_set_keys = ['process_id', 'ifos', 'start_time', 'start_time_ns',\
+ 'coinc_event_id']
+
+#this dictionary is the simplest way to assign event_id's
+#collisions are are taken care of in the process of conversion to sqlite
+insp_event_id_dict = {'H1': 'sngl_inspiral:event_id:0',\
+ 'L1': 'sngl_inspiral:event_id:1',\
+ 'V1': 'sngl_inspiral:event_id:2'}
+#this one is designed for coherent searches, which don't have event_ids
+coherent_event_id_dict = None
+
+#the names of the variables we're going to get from omega
+omega_vars = ['time', 'frequency', 'duration', 'bandwidth', 'modeTheta',\
+ 'modePhi', 'probSignal', 'probGlitch', 'logSignal','logGlitch',\
+ 'network', 'URL_web', 'URL_file']
+
+##############################################################################
+#
+# convenience functions
+#
+##############################################################################
+
+def compute_mchirp_eta(m1,m2):
+ """
+ compute and return mchirp and eta for a given pair of masses
+ """
+
+ mtot = m1 + m2
+ mu = m1*m2/mtot
+ eta = mu/mtot
+ mchirp = pow(eta,3.0/5.0)*mtot
+
+ return float(mchirp), float(eta)
+
+def write_output_files(root_dir, xmldoc, log_content, \
+ xml_fname = 'coinc.xml', log_fname = 'event.log'):
+ """
+ write the xml-format coinc tables and log file
+ """
+
+ f = open(root_dir+'/'+xml_fname,'w')
+ xmldoc.write(f)
+ f.close()
+
+ f = open(root_dir+'/'+log_fname,'w')
+ f.write(log_content)
+ f.close()
+
+def get_ifos_for_cwb(cwb_ifos):
+ """
+ get human-readable things from CWB detector labels
+ """
+
+ ifos = []
+ for i in cwb_ifos:
+ if i == '1': ifos.append('L1')
+ if i == '2' : ifos.append('H1')
+ if i == '3' : ifos.append('H2')
+ if i == '4' : ifos.append('G1')
+ if i == '5' : ifos.append('T1')
+ if i == '6' : ifos.append('V1')
+ if i == '7' : ifos.append('A1')
+
+ return ifos
+
+##############################################################################
+#
+# table populators
+#
+##############################################################################
+
+def populate_inspiral_tables(MBTA_frame, set_keys = MBTA_set_keys, \
+ event_id_dict = insp_event_id_dict):
+ """
+ create xml file and populate the SnglInspiral and CoincInspiral tables from a
+ coinc .gwf file from MBTA
+ xmldoc: xml file to append the tables to
+ MBTA_frame: frame file to get info about triggers from
+ set_keys: columns in the SnglInspiral Table to set
+ process_id: process_id
+ event_id_dict: {ifo:event_id} dictionary to assign event_id's
+ coinc_event_id: coinc_event_id
+ detectors: detectors participating in the coinc
+
+ returns xmldoc and contents of the comment field
+ """
+ #initialize xml document
+ xmldoc = ligolw.Document()
+ xmldoc.appendChild(ligolw.LIGO_LW())
+ #dictionaries to store about individual triggers
+ end_time = {}
+ snr = {}
+ mass1 = {}
+ mass2 = {}
+ Deff = {}
+ mchirp = {}
+ eta = {}
+
+ #extract the information from the frame file
+ events = Fr.frgetevent(MBTA_frame)
+ #get the ifos from the event name
+ for event in events:
+ if 'MbtaHLV' in event['name']:
+ detectors = H1L1V1_detlist
+ elif 'MbtaHL' in event['name']:
+ detectors = H1L1_detlist
+ elif 'MbtaHV' in event['name']:
+ detectors = H1V1_detlist
+ elif 'MbtaH' in event['name']:
+ detectors = H1_detlist
+ elif 'MbtaLV' in event['name']:
+ detectors = L1V1_detlist
+ elif 'MbtaL' in event['name']:
+ detectors = L1_detlist
+ elif 'MbtaV' in event['name']:
+ detectors = V1_detlist
+ else:
+ raise ValueError, "Invalid FrEvent name"
+
+ log_data = event['comment'] + '\n'
+ try:
+ far = 1/(float(event['IFAR_year'])*365.0*24*60*60)
+ except KeyError:
+ far = None
+ for ifo in detectors:
+ end_time[ifo] = LIGOTimeGPS(event[ifo+':end_time'])
+ snr[ifo] = float(event[ifo+':SNR'])
+ mass1[ifo] = float(event[ifo+':mass1'])
+ mass2[ifo] = float(event[ifo+':mass2'])
+ mchirp[ifo], eta[ifo] = compute_mchirp_eta(mass1[ifo],mass2[ifo])
+ Deff[ifo] = float(event[ifo+':eff_distance'])
+
+ #fill the SnglInspiralTable
+ sin_table = lsctables.New(lsctables.SnglInspiralTable)
+ xmldoc.childNodes[0].appendChild(sin_table)
+ process_id = lsctables.ProcessTable.get_next_id()
+ for ifo in detectors:
+ row = sin_table.RowType()
+ row.ifo = ifo
+ row.search = 'MBTA'
+ row.end_time = end_time[ifo].seconds
+ row.end_time_ns = end_time[ifo].nanoseconds
+ row.mass1 = mass1[ifo]
+ row.mass2 = mass2[ifo]
+ row.mchirp = mchirp[ifo]
+ row.mtotal = mass1[ifo] + mass2[ifo]
+ row.eta = eta[ifo]
+ row.snr = snr[ifo]
+ row.eff_distance = Deff[ifo]
+ row.event_id = event_id_dict[ifo]
+ row.process_id = process_id
+ row.channel = ''
+ #zero out the rest of the columns
+ #should work in chi2 and chi2cut
+ for key in sin_table.validcolumns.keys():
+ if key not in set_keys:
+ setattr(row,key,None)
+ sin_table.append(row)
+
+ #CoincInspiralTable
+ #using the conventions found in:
+ #https://www.lsc-group.phys.uwm.edu/ligovirgo/cbcnote/S6Plan/
+ #090505160219S6PlanningNotebookCoinc_and_Experiment_Tables_ihope_implementation?
+ #highlight=%28coinc%29|%28table%29
+
+ temp_data_loc = None
+
+ if len(detectors) < 2:
+ return xmldoc, log_data, temp_data_loc
+
+ #coinc_event_id = coinc_event_id_base + str(UID)
+
+ #this next line is to guard against future violence to the table definitions
+ cintcols = ['coinc_event_id','ifos','end_time','end_time_ns','mass','mchirp','snr','false_alarm_rate','combined_far']
+ cin_table = lsctables.New(lsctables.CoincInspiralTable,columns=cintcols)
+ xmldoc.childNodes[0].appendChild(cin_table)
+ row = cin_table.RowType()
+ row.set_ifos(detectors)
+ cid = lsctables.CoincTable.get_next_id()
+ row.coinc_event_id = cid
+ row.end_time = end_time['H1'].seconds
+ row.end_time_ns = end_time['H1'].nanoseconds
+ row.mass = (sum(mass1.values()) + sum(mass2.values()))/3
+ row.mchirp = sum(mchirp.values())/3
+ #the snr here is really the snr NOT effective snr
+ row.snr = pow(sum([x*x for x in snr.values()]),0.5)
+ if far is not None:
+ #far is triggers in Hz
+ row.combined_far = float(far)
+ else:
+ row.combined_far = None
+ row.false_alarm_rate = None
+
+ cin_table.append(row)
+
+
+ xmldoc = populate_coinc_tables(xmldoc,cid,insp_event_id_dict,\
+ InspiralCoincDef,detectors)
+
+ return xmldoc, log_data, temp_data_loc
+
+def populate_omega_tables(datafile, set_keys = Omega_set_keys):
+ """
+ """
+ #initialize xml document
+ xmldoc = ligolw.Document()
+ xmldoc.appendChild(ligolw.LIGO_LW())
+
+ #extract the data from the intial Omega file
+ f = open(datafile, 'r')
+ omega_list = []
+ for line in f.readlines():
+ if not line.strip(): continue # ignore blank lines
+ elif '#' in line.strip()[0]: continue # ignore comments
+ elif '=' not in line: raise ValueError, "Improperly formatted line"
+ else:
+ omega_list.extend([dat.strip() for dat in line.split('=',1)])
+ f.close()
+ omega_data = dict(zip(omega_list[::2],omega_list[1::2]))
+ # basic error checking
+# for key in omega_data:
+# if not (key in omega_vars):
+# raise ValueError, "Unknown variable"
+
+ #create the content for the event.log file
+ log_data = '\nLog File created '\
+ +strftime("%a, %d %b %Y %H:%M:%S", gmtime())\
+ +'\n'
+
+ for var in omega_vars:
+ log_data += var + ': ' + omega_data[var] + '\n'
+
+ #pull out the ifos
+ detectors = [ifo for ifo in omega_data['network'].split(',')]
+
+ #fill the MutliBurstTable
+ mb_table = lsctables.New(lsctables.MultiBurstTable)
+ xmldoc.childNodes[0].appendChild(mb_table)
+ row = mb_table.RowType()
+ row.process_id = lsctables.ProcessTable.get_next_id()
+ row.set_ifos(detectors)
+ st = LIGOTimeGPS(omega_data['time'])
+ row.start_time = st.seconds
+ row.start_time_ns = st.nanoseconds
+ row.duration = None
+ row.confidence = -log(float(omega_data['probGlitch']))
+ cid = lsctables.CoincTable.get_next_id()
+ row.coinc_event_id = cid
+ for key in mb_table.validcolumns.keys():
+ if key not in set_keys:
+ setattr(row,key,None)
+ mb_table.append(row)
+
+ xmldoc = populate_coinc_tables(xmldoc,cid, coherent_event_id_dict,\
+ BurstCoincDef, detectors)
+
+ return xmldoc, log_data, omega_data['URL_file']
+
+def populate_cwb_tables(datafile, set_keys=CWB_set_keys):
+ """
+ """
+ #initialize xml document
+ xmldoc = ligolw.Document()
+ xmldoc.appendChild(ligolw.LIGO_LW())
+
+ #extract the data from the file
+ f = open(datafile,'r')
+ cwb_list = []
+ for line in f.readlines():
+ if not line.strip(): continue #ignore blanks
+ elif '#' in line.strip()[0]: continue #skip comments
+ elif 'H1:' in line.strip() or 'L1:' in line.strip() or 'V1:' in line.strip(): continue #skip DQ stuff
+ elif ':' in line.strip(): cwb_list.extend([dat.strip() for dat in line.split(':',1)])
+
+ f.close()
+ cwb_data = dict(zip(cwb_list[::2],cwb_list[1::2]))
+
+ #create the content for the event.log file
+ log_data = '\nLog File created '\
+ +strftime("%a, %d %b %Y %H:%M:%S", gmtime())\
+ +'\n'
+ detectors = get_ifos_for_cwb(cwb_data['ifo'].split())
+
+ for var in cwb_data:
+ log_data += var + ': ' + cwb_data[var] + '\n'
+
+ #fill the MutliBurstTable
+ mb_table = lsctables.New(lsctables.MultiBurstTable)
+ xmldoc.childNodes[0].appendChild(mb_table)
+ row = mb_table.RowType()
+ row.process_id = lsctables.ProcessTable.get_next_id()
+ row.set_ifos(detectors)
+ st = LIGOTimeGPS(cwb_data['start'][0])
+ row.start_time = st.seconds
+ row.start_time_ns = st.nanoseconds
+ cid = lsctables.CoincTable.get_next_id()
+ row.coinc_event_id = cid
+ for key in mb_table.validcolumns.keys():
+ if key not in set_keys:
+ setattr(row,key,None)
+ mb_table.append(row)
+
+ xmldoc = populate_coinc_tables(xmldoc,cid, coherent_event_id_dict,\
+ BurstCoincDef, detectors)
+
+ return xmldoc, log_data, None
+
+
+
+def populate_coinc_tables(xmldoc, coinc_event_id, event_id_dict,\
+ CoincDef, detectors, \
+ time_slide_id = None, likelihood = None):
+ """
+ populate a set of coinc tables
+ xmldoc: xml file to append the tables to
+ CoincDef: pre-initialized CoincDef table row
+ detectors: detectors participating in the coinc
+ """
+ #make sure there's actually a coinc there to write
+ if len(detectors) < 2:
+ return xmldoc
+ else:
+ #CoincTable
+ coinc_table = lsctables.New(lsctables.CoincTable)
+ xmldoc.childNodes[0].appendChild(coinc_table)
+ row = coinc_table.RowType()
+ row.process_id = lsctables.ProcessTable.get_next_id()
+ row.coinc_event_id = coinc_event_id
+ coinc_def_id = lsctables.CoincDefTable.get_next_id()
+ row.coinc_def_id = coinc_def_id
+ row.time_slide_id = time_slide_id
+ row.set_instruments(detectors)
+ if 'inspiral' in CoincDef.search:
+ row.nevents = len(detectors)
+ elif 'burst' in CoincDef.search:
+ row.nevents = 1
+ else:
+ raise ValueError, "Unrecognize CoincDef.search"
+ row.likelihood = likelihood
+ coinc_table.append(row)
+
+ #CoincMapTable
+ coinc_map_table = lsctables.New(lsctables.CoincMapTable)
+ xmldoc.childNodes[0].appendChild(coinc_map_table)
+ for ifo in detectors:
+ row = coinc_map_table.RowType()
+ row.coinc_event_id = coinc_event_id
+ if 'inspiral' in CoincDef.search:
+ row.table_name = lsctables.SnglInspiralTable.tableName.split(':')[0]
+ elif 'burst' in CoincDef.search:
+ row.table_name = lsctables.MultiBurstTable.tableName.split(':')[0]
+ else:
+ raise ValueError, "Unrecognize CoincDef.search"
+ if event_id_dict:
+ row.event_id = event_id_dict[ifo]
+ coinc_map_table.append(row)
+ if not event_id_dict:
+ row.event_id = coinc_event_id
+ coinc_map_table.append(row)
+
+ #CoincDefTable
+ coinc_def_table = lsctables.New(lsctables.CoincDefTable)
+ xmldoc.childNodes[0].appendChild(coinc_def_table)
+ row = coinc_def_table.RowType()
+ row.coinc_def_id = coinc_def_id
+ row.search = CoincDef.search
+ row.search_coinc_type = CoincDef.search_coinc_type
+ row.description = CoincDef.description
+ coinc_def_table.append(row)
+
+ return xmldoc
+
+
+##############################################################################
+#
+# usage example
+#
+##############################################################################
+
+#here's how it works for inspirals
+#populate the tables
+#xmldoc, log_data, temp_data_loc = populate_inspiral_tables("MbtaFake-930909680-16.gwf")
+#write the output
+#write_output_files('.', xmldoc, log_data)
+
+#here's how it works for bursts
+#xmldoc, log_data, temp_data_loc = populate_burst_tables("initial.data")
+#write_output_files('.', final_xmldoc, log_data)
diff --git a/gracedb/translator.py b/gracedb/translator.py
index 9aad66cfada04abee2c86855d39c40c7c3e9c8ec..8f998ac05d4b7a97a7bec0df7c9c0893da49d4d4 100644
--- a/gracedb/translator.py
+++ b/gracedb/translator.py
@@ -6,7 +6,7 @@ from models import EventLog
import glue
import glue.ligolw.utils
-from ligo.gracedb.utils import populate_inspiral_tables, \
+from gracedb.serialize.utils import populate_inspiral_tables, \
populate_omega_tables, \
write_output_files