using stanford parsers with nltk

nltk_stanford_nlp.py

import os
from nltk.parse.stanford import StanfordParser, StanfordDependencyParser

os.environ["CLASSPATH"]= "/usr/local/stanford-models/stanford-postagger-full-2016-10-31/:usr/local/stanford-models/stanford-ner-2016-10-31/:/usr/local/stanford-models/stanford-parser-full-2016-10-31/"
os.environ["STANFORD_MODELS"]= "/usr/local/stanford-models/stanford-postagger-full-2016-10-31/models:/usr/local/stanford-models/stanford-ner-2016-10-31/classifiers"

stan_parser = StanfordParser()
stan_dep_parser = StanfordDependencyParser()

sents = ["The Mavericks won against the Jets", "Golden State Warriors thrashed LA Lakers"]

trees = [list(parse)[0] for parse in stan_parser.raw_parse_sents(sents)]
for tree in trees:
    tree.pretty_print()

"""
                  ROOT                         
                   |                            
                   S                           
      _____________|____________                
     |                          VP             
     |              ____________|___            
     |             |                PP         
     |             |       _________|___        
     NP            |      |             NP     
  ___|______       |      |          ___|___    
 DT        NNPS   VBD     IN        DT     NNS 
 |          |      |      |         |       |   
The     Mavericks won  against     the     Jets
               
               ROOT                          
                |                             
               SINV                          
          ______|___________________          
        FRAG             |          |        
         |               |          |         
         NP              VP         NP       
   ______|______         |       ___|____     
 NNP    NNP    NNPS     VBD    NNP      NNP  
  |      |      |        |      |        |    
Golden State Warriors thrashed  LA     Lakers

"""

trees = [list(parse)[0] for parse in stan_dep_parser.raw_parse_sents(sents)]
for tree in trees:
    tree.tree().pretty_print()
"""
            won           
     ________|_____        
Mavericks         Jets    
    |         _____|____   
   The    against      the
                
                thrashed       
           ________|_______     
       Warriors          Lakers
   _______|________        |    
Golden           State     LA  

"""

for tree in trees:
    print list(tree.triples())

"""
[((u'won', u'VBD'), u'nsubj', (u'Mavericks', u'NNPS')), ((u'Mavericks', u'NNPS'), u'det', (u'The', u'DT')), ((u'won', u'VBD'), u'nmod', (u'Jets', u'NNS')), ((u'Jets', u'NNS'), u'case', (u'against', u'IN')), ((u'Jets', u'NNS'), u'det', (u'the', u'DT'))]
[((u'thrashed', u'VBD'), u'dep', (u'Warriors', u'NNPS')), ((u'Warriors', u'NNPS'), u'compound', (u'Golden', u'NNP')), ((u'Warriors', u'NNPS'), u'compound', (u'State', u'NNP')), ((u'thrashed', u'VBD'), u'nsubj', (u'Lakers', u'NNP')), ((u'Lakers', u'NNP'), u'compound', (u'LA', u'NNP'))]
"""