#!/usr/local/bin/python # -*- coding: utf-8 -*- from senpy import easy_test, models, plugins import basic class Dictionary(plugins.SentimentPlugin): '''Sentiment annotation using a configurable lexicon''' author = '@balkian' version = '0.2' dictionaries = [basic.emojis, basic.emoticons] mappings = {'pos': 'marl:Positive', 'neg': 'marl:Negative'} def analyse_entry(self, entry, *args, **kwargs): polarity = basic.get_polarity(entry.text, self.dictionaries) if polarity in self.mappings: polarity = self.mappings[polarity] s = models.Sentiment(marl__hasPolarity=polarity) s.prov(self) entry.sentiments.append(s) yield entry test_cases = [{ 'input': 'Hello :)', 'polarity': 'marl:Positive' }, { 'input': 'So sad :(', 'polarity': 'marl:Negative' }, { 'input': 'Yay! Emojis 😁', 'polarity': 'marl:Positive' }, { 'input': 'But no emoticons 😢', 'polarity': 'marl:Negative' }] class EmojiOnly(Dictionary): '''Sentiment annotation with a basic lexicon of emojis''' dictionaries = [basic.emojis] test_cases = [{ 'input': 'Hello :)', 'polarity': 'marl:Neutral' }, { 'input': 'So sad :(', 'polarity': 'marl:Neutral' }, { 'input': 'Yay! Emojis 😁', 'polarity': 'marl:Positive' }, { 'input': 'But no emoticons 😢', 'polarity': 'marl:Negative' }] class EmoticonsOnly(Dictionary): '''Sentiment annotation with a basic lexicon of emoticons''' dictionaries = [basic.emoticons] test_cases = [{ 'input': 'Hello :)', 'polarity': 'marl:Positive' }, { 'input': 'So sad :(', 'polarity': 'marl:Negative' }, { 'input': 'Yay! Emojis 😁', 'polarity': 'marl:Neutral' }, { 'input': 'But no emoticons 😢', 'polarity': 'marl:Neutral' }] class Salutes(Dictionary): '''Sentiment annotation with a custom lexicon, for illustration purposes''' dictionaries = [{ 'marl:Positive': ['Hello', '!'], 'marl:Negative': ['Good bye', ] }] test_cases = [{ 'input': 'Hello :)', 'polarity': 'marl:Positive' }, { 'input': 'Good bye :(', 'polarity': 'marl:Negative' }, { 'input': 'Yay! Emojis 😁', 'polarity': 'marl:Positive' }, { 'input': 'But no emoticons 😢', 'polarity': 'marl:Neutral' }] if __name__ == '__main__': easy_test()