def get_grammar_for_service(short_name):
file_name = '{0}_grammar.txt'.format(short_name)
file_path = path.abspath(path.join(path.dirname(__file__),
'services', file_name))
grammar = parse_grammar_from_file(file_path)
make_chomsky_normal_form(grammar)
grammar_features = generate_grammar_features(grammar)
return grammar_features
def test_parser(in_language, not_in_language, grammar):
grammar_features = generate_grammar_features(grammar)
try:
for string in in_language:
assert parse(string, grammar_features)
for string in not_in_language:
assert not parse(string, grammar_features)
except AssertionError as e:
e.args += (string,)
raise
print('SUCCESS')
#!/usr/bin/env python
# coding: utf-8
#
# Copyright (c) 2015, PAL Team.
# All rights reserved. See LICENSE for details.
import pprint
from pal.grammars.grammars import make_chomsky_normal_form
from pal.grammars.grammars import parse_grammar_from_file
from pal.grammars.parser import parse, generate_grammar_features, extract, search, parent
string = 'how much for two medium thin pizza with extra pineapple but no cheese sauce or mushrooms'
grammar = parse_grammar_from_file('pal/grammars/services/dominos_grammar.txt')
make_chomsky_normal_form(grammar)
grammar_features = generate_grammar_features(grammar)
parse_tree = parse(string, grammar_features)
pprint.pprint(parse_tree)
print 'NOT'
for x in search(parse_tree, 'negation_phrase topping_item'):
print extract(x, x[0]) # flatten
print parent(parse_tree, x)[0]
print '\nWITH'
for x in set(search(parse_tree, 'topping_item')).difference(
set(search(parse_tree, 'negation_phrase topping_item'))):
print extract(x, x[0]) # flatten
print parent(parse_tree, x)[0]
#!/usr/bin/env python
# coding: utf-8
#
# Copyright (c) 2015, PAL Team.
# All rights reserved. See LICENSE for details.
import pprint
from pal.grammars.grammars import make_chomsky_normal_form
from pal.grammars.grammars import parse_grammar_from_file
from pal.grammars.parser import parse, generate_grammar_features, extract, search, parent
string = 'how much for two medium thin pizza with extra pineapple but no cheese sauce or mushrooms'
grammar = parse_grammar_from_file('pal/grammars/services/dominos_grammar.txt')
make_chomsky_normal_form(grammar)
grammar_features = generate_grammar_features(grammar)
parse_tree = parse(string, grammar_features)
pprint.pprint(parse_tree)
print 'NOT'
for x in search(parse_tree, 'negation_phrase topping_item'):
print extract(x, x[0]) # flatten
print parent(parse_tree, x)[0]
print '\nWITH'
for x in set(search(parse_tree, 'topping_item')).difference(set(search(parse_tree, 'negation_phrase topping_item'))):
print extract(x, x[0]) # flatten
print parent(parse_tree, x)[0]
