sym = bool(opts.sym)
subcat = bool(opts.subcat)
fun = bool(opts.fun)
pcfg = bool(opts.pcfg)
top = int(opts.top)
traces = bool(opts.traces)
lncky = bool(opts.lncky)
if source == 'xml':
reader = XmlReader()
if input_file <> None :
if os.path.isdir(input_file):
treebank = reader.read_dir_xml(input_file)
else:
instream = open(input_file)
treebank = reader.read_xml(instream)
else:
treebank = reader.read_xml(sys.stdin)
elif source=='penn':
stream = sys.stdin.read()
reader = PtbReader(drparser=True)
treebank = reader.parse_treebank(stream)
else :
print "invalid source format\n"
sys.exit(1)
freq = FrequencyTable(subcat,not traces)
if all:
raw = True
