def learn_constraints(word_list):
'''Learn the faithfulness and markedness constraints based on a word list'''
for con in cons.faithfuls + cons.markeds:
for paradigm in word_list:
for derivative in paradigm.derivatives:
for a in alignment.align_forms(paradigm.base, derivative.form):
if con.type == 'faithfulness':
score = con.func(paradigm.base, derivative.form, a)
elif con.type == 'markedness':
score = con.func(derivative.form)
con.scores[derivative.form.to_u()] = (score * (1 - derivative.probability))
def test_wugs(wug_list):
'''Get some wug plurals out of the constraints'''
for wug in wug_list:
for derivative in wug.derivatives:
for a in alignment.align_forms(wug.base, derivative):
for con in cons.faithfuls + cons.markeds:
if con.type == 'faithfulness':
score = con.func(wug.base, derivative, a)
elif con.type == 'markedness':
score = con.func(derivative)
wug.scores[derivative.to_u()][con.func.__name__] = score * con.avg_score()