Vh JdZddlmZddlGddeZGddeZy) a  CorpusReader for the Opinion Lexicon. Opinion Lexicon information =========================== Authors: Minqing Hu and Bing Liu, 2004. Department of Computer Science University of Illinois at Chicago Contact: Bing Liu, liub@cs.uic.edu https://www.cs.uic.edu/~liub Distributed with permission. Related papers: - Minqing Hu and Bing Liu. "Mining and summarizing customer reviews". Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery & Data Mining (KDD-04), Aug 22-25, 2004, Seattle, Washington, USA. - Bing Liu, Minqing Hu and Junsheng Cheng. "Opinion Observer: Analyzing and Comparing Opinions on the Web". Proceedings of the 14th International World Wide Web conference (WWW-2005), May 10-14, 2005, Chiba, Japan. )WordListCorpusReader)*ceZdZdZdZy)IgnoreReadmeCorpusViewzQ This CorpusView is used to skip the initial readme block of the corpus. ctj|g|i||jt|j|jj g|_yN)StreamBackedCorpusView__init___openread_blankline_block_streamtell_filepos)selfargskwargss R/home/dcms/DCMS/lib/python3.12/site-packages/nltk/corpus/reader/opinion_lexicon.pyr zIgnoreReadmeCorpusView.__init__+sF''>t>v> T\\***,- N)__name__ __module__ __qualname____doc__r rrrr&s .rrc.eZdZdZeZddZdZdZdZ y)OpinionLexiconCorpusReadera Reader for Liu and Hu opinion lexicon. Blank lines and readme are ignored. >>> from nltk.corpus import opinion_lexicon >>> opinion_lexicon.words() ['2-faced', '2-faces', 'abnormal', 'abolish', ...] The OpinionLexiconCorpusReader provides shortcuts to retrieve positive/negative words: >>> opinion_lexicon.negative() ['2-faced', '2-faces', 'abnormal', 'abolish', ...] Note that words from `words()` method are sorted by file id, not alphabetically: >>> opinion_lexicon.words()[0:10] # doctest: +NORMALIZE_WHITESPACE ['2-faced', '2-faces', 'abnormal', 'abolish', 'abominable', 'abominably', 'abominate', 'abomination', 'abort', 'aborted'] >>> sorted(opinion_lexicon.words())[0:10] # doctest: +NORMALIZE_WHITESPACE ['2-faced', '2-faces', 'a+', 'abnormal', 'abolish', 'abominable', 'abominably', 'abominate', 'abomination', 'abort'] Nc | |j}nt|tr|g}t|j |ddDcgc]$\}}}|j ||j |&c}}}Scc}}}w)a^ Return all words in the opinion lexicon. Note that these words are not sorted in alphabetical order. :param fileids: a list or regexp specifying the ids of the files whose words have to be returned. :return: the given file(s) as a list of words and punctuation symbols. :rtype: list(str) T)encoding)_fileids isinstancestrconcatabspaths CorpusView_read_word_block)rfileidspathencfileids rwordsz OpinionLexiconCorpusReader.wordsOsz ?mmG  %iG,0==$+M  'T3d&;&;cJ    s)A1 c$|jdS)z Return all positive words in alphabetical order. :return: a list of positive words. :rtype: list(str) zpositive-words.txtr)rs rpositivez#OpinionLexiconCorpusReader.positivedzz.//rc$|jdS)z Return all negative words in alphabetical order. :return: a list of negative words. :rtype: list(str) znegative-words.txtr+r,s rnegativez#OpinionLexiconCorpusReader.negativemr.rcg}tdD]4}|j}|s|j|j6|S)N)rangereadlineappendstrip)rstreamr)ilines rr$z+OpinionLexiconCorpusReader._read_word_blockvsEr 'A??$D LL &  '  rr) rrrrrr#r)r-r0r$rrrrr5s".(J *00rrN)rnltk.corpus.readerrnltk.corpus.reader.apir rrrrrr<s.44$ .3 .H!5Hr