def create_is_playground_func(
connection,
playground_segs=segmentsUtils.S2playground(
self.segments.extent_all())):
"""
Construct the is_playground() SQL function.
"""
connection.create_function(
"is_playground", 2,
lambda seconds, nanoseconds: lsctables.LIGOTimeGPS(
seconds, nanoseconds) in playground_segs)
def __init__(self, flist, opts):
self.far = {}
self.segments = segments.segmentlistdict()
self.non_inj_fnames = []
self.inj_fnames = []
#self.der_fit = None
self.twoDMassBins = None
#self.dBin = {}
self.gw = None
self.found = {}
self.missed = {}
self.wnfunc = None
self.opts = opts
if opts.bootstrap_iterations: self.bootnum = int(opts.bootstrap_iterations)
else: self.bootnum = 100
self.veto_segments = segments.segmentlistdict()
self.zero_lag_segments = {}
self.instruments = []
self.livetime = {}
self.minmass = None
self.maxmass = None
self.mintotal = None
self.maxtotal = None
for f in flist:
if opts.verbose: print >> sys.stderr, "Gathering stats from: %s...." % (f,)
working_filename = dbtables.get_connection_filename(f, verbose = opts.verbose)
connection = sqlite3.connect(working_filename)
dbtables.DBTable_set_connection(connection)
xmldoc = dbtables.get_xml(connection)
# look for a sim table
try:
sim_inspiral_table = table.get_table(xmldoc, dbtables.lsctables.SimInspiralTable.tableName)
self.inj_fnames.append(f)
sim = True
except ValueError:
self.non_inj_fnames.append(f)
sim = False
if not sim:
if opts.veto_segments_name is not None: self.veto_segments = db_thinca_rings.get_veto_segments(connection, opts.veto_segments_name)
self.get_instruments(connection)
self.segments += db_thinca_rings.get_thinca_zero_lag_segments(connection, program_name = opts.live_time_program)
self.get_far_thresholds(connection)
else:
self.get_mass_ranges(connection)
#connection.close()
dbtables.discard_connection_filename(f, working_filename, verbose = opts.verbose)
dbtables.DBTable_set_connection(None)
# FIXME Do these have to be done by instruments?
self.segments -= self.veto_segments
# compute far, segments and livetime by instruments
for i in self.instruments:
self.far[i] = min(self.far[i])
# FIXME this bombs if any of the FARS are zero. maybe it should continue
# and just remove that instrument combo from the calculation
if self.far[i] == 0:
print >> sys.stderr, "Encountered 0 FAR in %s, ABORTING" % (i,)
sys.exit(1)
self.zero_lag_segments[i] = self.segments.intersection(i) - self.segments.union(set(self.segments.keys()) - i)
# Livetime must have playground removed
self.livetime[i] = float(abs(self.zero_lag_segments[i] - segmentsUtils.S2playground(self.segments.extent_all())))
if opts.verbose: print >> sys.stderr, "%s FAR %e, livetime %f" % (",".join(sorted(list(i))), self.far[i], self.livetime[i])
# get a 2D mass binning
self.twoDMassBins = self.get_2d_mass_bins(self.minmass, self.maxmass, opts.mass_bins)