def idg(filename):
dg = DependencyGraph()
with open(filename) as fp:
for line in fp:
trimmed = line.strip()
if len(trimmed) == 0:
yield dg
dg = DependencyGraph()
else:
dg.addNode(Node.byline(trimmed))
if dg.length() > 0:
yield dg
from filter import alldgiter
from common import DependencyGraph
alldg = [dg for dg in alldgiter('conll/*/*.dp')]
import random
done = False
while not done:
i = random.randint(0, len(alldg) -1)
print str(alldg[i])
print
print str(DependencyGraph.filteredcopy(alldg[i]))
print "-"*10
while True:
inpt = raw_input('Continue[y/n] ').upper()
if inpt in ('Y','N'):
if inpt == 'N':
done = True
break
