def __init__(self, pcfg=None):
if pcfg is None:
pcfg = build_model()
self.pcfg = pcfg
self.tokenizer = PennTreebankTokenizer()
if nltk_is_available:
self.parse = self.nltk_parse
else:
self.parse = self.raw_parse
def tokenize_for_parsing(string):
tokenizer = PennTreebankTokenizer()
return tokenizer.tokenize(string)
