some renaming of classes, methods

nltk/sentiment/__init__.py

-#!/usr/bin/python
+# -*- coding: utf-8 -*-
\ No newline at end of file
+# Natural Language Toolkit: Twitter
+#
+# Copyright (C) 2001-2015 NLTK Project
+# Author: Ewan Klein <ewan@inf.ed.ac.uk>
+# URL: <http://nltk.org/>
+# For license information, see LICENSE.TXT
+
+"""
+NLTK Sentiment Analysis Package
+
+
+"""
+
+from nltk.sentiment.vader import SentimentIntensityAnalyzer
+

nltk/sentiment/vader.py

@@ -67,10 +67,10 @@ Weblogs and Social Media (ICWSM-14). Ann Arbor, MI, June 2014.
 ...    "However, Mr. Carter solemnly argues, his client carried out the kidnapping under orders and in the ''least offensive way possible.''"
 ... ]
 >>> sentences.extend(tricky_sentences)
->>> sid = SentimentIntensityDetector()
+>>> sid = SentimentIntensityAnalyzer()
 >>> for sentence in sentences:
 ...     print(sentence)
-...     ss = sid.sentiment(sentence)
+...     ss = sid.polarity_scores(sentence)
 ...     for k in sorted(ss):
 ...         print('{0}: {1}, '.format(k, ss[k]), end='')
 ...     print()
@@ -353,7 +353,7 @@ class SentiText(object):
 
 
 
-class SentimentIntensityDetector(object):
+class SentimentIntensityAnalyzer(object):
     """
     Give a sentiment intensity score to sentences.
     """
@@ -372,7 +372,7 @@ class SentimentIntensityDetector(object):
                 lex_dict[w] = float(m)
         return lex_dict
 
-    def sentiment(self, text):
+    def polarity_scores(self, text):
         """
         Returns a float for sentiment strength based on the input text.
         Positive values are positive valence, negative value are negative
@@ -590,8 +590,8 @@ class SentimentIntensityDetector(object):
 def demo():
     text1 = "At least (I think...) it isn't a HORRIBLE :-) book!"
     text2 = "Today kinda sux! But I'll get by, lol"
-    sid = SentimentIntensityDetector()
-    ss1 = sid.sentiment(text1)
+    sid = SentimentIntensityAnalyzer()
+    ss1 = sid.polarity_scores(text1)
     print(text1)
     print(ss1)
 
@@ -606,7 +606,7 @@ def demo():
     """
 
 
-    ss2 = sid.sentiment(text2)
+    ss2 = sid.polarity_scores(text2)
     print(text2)
     print(ss2)
 

nltk/test/sentiment.ipynb

@@ -2,13 +2,114 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "IPython will make a temporary file named: /var/folders/ph/kjvyk6lw8xj5dc0059b22tr80000gn/T/ipython_edit_homi0r4u/ipython_edit_yj5p5w9f.py\n"
+     ]
+    }
+   ],
+   "source": [
+    "%edit"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{'Apple_PubSub_Socket_Render': '/private/tmp/com.apple.launchd.X3UI5cWZcx/Render',\n",
+       " 'BIBINPUTS': '.:/Users/ewan/sync/bib::',\n",
+       " 'CLICOLOR': '1',\n",
+       " 'COLUMNS': '153',\n",
+       " 'COMMAND_MODE': 'unix2003',\n",
+       " 'CPPFLAGS': '-no-cpp-precomp',\n",
+       " 'CVS_RSH': 'ssh',\n",
+       " 'DESTINATION': '/var/folders/ph/kjvyk6lw8xj5dc0059b22tr80000gn/T/iTerm 2.0.0.20150412 Update',\n",
+       " 'DISPLAY': ':0.0',\n",
+       " 'DOCBOOKDTD': '/opt/local/share/xml/docbook/4.4/docbookx.dtd',\n",
+       " 'GIT_PAGER': 'cat',\n",
+       " 'GNUTERM': 'aqua',\n",
+       " 'GNUTERMAPP': '/Applications/AquaTerm.app',\n",
+       " 'GPG_AGENT_INFO': '/Users/ewan/.gnupg/S.gpg-agent:447:1',\n",
+       " 'HOME': '/Users/ewan',\n",
+       " 'INFANDANGO_CONFIGFILE': '/Users/ewan/hg/inf1op-docs/src/labs/config/infandango_conf.py',\n",
+       " 'INFANDANGO_ROOT': '/Users/ewan/hg/infandango',\n",
+       " 'INFOPATH': '/opt/local/share/info',\n",
+       " 'ITERM_PROFILE': 'git',\n",
+       " 'ITERM_SESSION_ID': 'w0t3p0',\n",
+       " 'JAVACMD': '/Library/Java/Home//bin/java',\n",
+       " 'JAVA_HOME': '/Library/Java/Home/',\n",
+       " 'JENAROOT': '/Library/Java/Jena-2.6.2',\n",
+       " 'JPY_PARENT_PID': '1873',\n",
+       " 'LANG': 'en_GB.UTF-8',\n",
+       " 'LDFLAGS': '-flat_namespace',\n",
+       " 'LOGNAME': 'ewan',\n",
+       " 'MANPATH': '/usr/share/man:/usr/X11R6/man:/opt/man:/opt/local/man:/usr/local/man:/usr/local/share/man:/Users/ewan/usr/local/man://Users/ewan/man',\n",
+       " 'NLTK_LITE_CORPORA': '/usr/share/nltk_lite/corpora',\n",
+       " 'OLDPWD': '/Users/ewan/git/v-nltk-sentiment/nltk',\n",
+       " 'PAGER': 'cat',\n",
+       " 'PATH': '/Users/ewan/git/v-nltk-sentiment/bin:/usr/texbin:/opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/ewan/bin:/usr/local/sbin:/usr/local/bin:/usr/local/WordNet-3.0/bin:/usr/X11R6/bin:/Developer/Tools:/Library/Java/Jena-2.6.2/bin:/opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin:/opt/local/Library/Frameworks/Python.framework/Versions/2.6/bin:/Applications/acquia-drupal/mysql/bin:/Users/ewan/hg/infandango:',\n",
+       " 'PS1': '(v-nltk-sentiment) \\\\[\\\\a\\\\e]2;${PWD}\\\\a\\\\]\\\\\\n[\\\\W]\\\\n \\\\#% ',\n",
+       " 'PWD': '/Users/ewan/git/v-nltk-sentiment/nltk/nltk/test',\n",
+       " 'RSYNC_RSH': 'ssh',\n",
+       " 'SECURITYSESSIONID': '186a7',\n",
+       " 'SHELL': '/bin/bash',\n",
+       " 'SHLVL': '1',\n",
+       " 'SSH_AUTH_SOCK': '/private/tmp/com.apple.launchd.FzHVJGVYk9/Listeners',\n",
+       " 'TERM': 'xterm-color',\n",
+       " 'TERM_PROGRAM': 'iTerm.app',\n",
+       " 'TMPDIR': '/var/folders/ph/kjvyk6lw8xj5dc0059b22tr80000gn/T/',\n",
+       " 'USER': 'ewan',\n",
+       " 'VIRTUAL_ENV': '/Users/ewan/git/v-nltk-sentiment',\n",
+       " 'WNHOME': '/usr/local/WordNet-3.0',\n",
+       " 'XPC_FLAGS': '0x0',\n",
+       " 'XPC_SERVICE_NAME': '0',\n",
+       " '_': '/Users/ewan/git/v-nltk-sentiment/bin/ipython',\n",
+       " '__CF_USER_TEXT_ENCODING': '0x1F5:0x0:0x0',\n",
+       " '__PYVENV_LAUNCHER__': '/Users/ewan/git/v-nltk-sentiment/bin/python3.4'}"
+      ]
+     },
+     "execution_count": 2,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "%env"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "from nltk.sentiment import SentimentIntensityAnalyzer"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
    "metadata": {
     "collapsed": true
    },
    "outputs": [],
    "source": [
-    "from nltk.corpus import sentiwordnet as swn"
+    "from nltk.corpus import tweets"
    ]
   },
   {