738 lines
21 KiB
Python
738 lines
21 KiB
Python
# -*- coding: utf-8 -*-
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from datetime import datetime
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import draw
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import draw1
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import time
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import numpy as np
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import csv
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import sys
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import json
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import os.path
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import subprocess
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from textacy import Vectorizer, viz
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from miscellaneous import *
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import textacy
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from scipy import *
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import os
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csv.field_size_limit(sys.maxsize)
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FILEPATH = os.path.dirname(os.path.realpath(__file__)) + "/"
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# load config
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config_ini = FILEPATH + "config.ini"
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config = ConfigParser.ConfigParser()
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with open(config_ini) as f:
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config.read_file(f)
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def textacyTopicModeling(corpus,
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n_topics = 15, top_topic_words = 7, top_document_labels_per_topic = 5,
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ngrams = 1, min_df=1, max_df=0.9,
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topicModel='lda'):
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n_terms = int(n_topics * top_topic_words)
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sort_terms_by = 'seriation' # 'seriation', 'weight', 'index', 'alphabetical'
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rank_terms_by = 'corpus' # 'corpus', 'topic'
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logprint("#### Topic Modeling {0}".format(topicModel))
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logprint(str("ngrams: {0}".format(ngrams)))
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logprint(str("min_df: {0}".format(min_df)))
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logprint(str("max_df: {0}".format(max_df)))
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logprint(str("n_topics: {0}".format(n_topics)))
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logprint("\n")
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start = time.time()
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# http://textacy.readthedocs.io/en/latest/api_reference.html#textacy.tm.topic_model.TopicModel.get_doc_topic_matrix
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weighting = ('tf' if topicModel == 'lda' else 'tfidf')
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###### vectorize corpi
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vectorizer = Vectorizer(weighting=weighting, min_df=min_df, max_df=max_df)
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terms_list = (doc.to_terms_list(ngrams=ngrams, named_entities=False, as_strings=True) for doc in corpus)
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doc_term_matrix = vectorizer.fit_transform(terms_list)
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id2term = vectorizer.__getattribute__("id_to_term")
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####### Initialize and train a topic model
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model = textacy.tm.TopicModel(topicModel, n_topics=n_topics)
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model.fit(doc_term_matrix)
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doc_topic_matrix = model.transform(doc_term_matrix)
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for topic_idx, top_terms in model.top_topic_terms(vectorizer.id_to_term, top_n=top_topic_words):
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logprint('{0}: {1}'.format(topic_idx, " ".join(top_terms)))
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for topic_idx, top_docs in model.top_topic_docs(doc_topic_matrix, top_n=top_document_labels_per_topic):
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logprint(topic_idx)
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for j in top_docs:
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logprint(corpus[j].metadata['categoryName'])
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####################### termite plot ###################################################################
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grams_label = "uni" if ngrams == 1 else "bi"
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draw1.termite_plot(model,doc_term_matrix, id2term,
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n_terms=n_terms,
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sort_terms_by=sort_terms_by,
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rank_terms_by=rank_terms_by + '_weight',
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save=FILEPATH + "results/{}_{}_{}_{}_{}_{}.png".format(grams_label, topicModel, n_topics,
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n_terms, sort_terms_by, rank_terms_by))
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end = time.time()
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logprint("\n\n\nTime Elapsed Topic Modeling with {1}:{0} min\n\n".format((end - start) / 60, topicModel))
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def jgibbsLLDA(labeldict,line_gen,path2save_results, top_topic_words=7):
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labeldict_rev = {v: k for k, v in labeldict.items()}
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jgibbsLLDA_root = FILEPATH + "java_LabledLDA/"
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LLDA_filepath = "{0}models/tickets/tickets.gz".format(jgibbsLLDA_root)
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textacy.fileio.write_file_lines(line_gen, filepath=LLDA_filepath)
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# wait for file to exist
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while not os.path.exists(LLDA_filepath):
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time.sleep(1)
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# run JGibbsLLDA file
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n_topics = len(labeldict) #+1 #default-topic
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FNULL = open(os.devnull, 'w') # supress output
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cmd_jgibbs_java = ["java", "-cp",
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"{0}lib/trove-3.0.3.jar:{0}lib/args4j-2.0.6.jar:{0}out/production/LabledLDA/".format(
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jgibbsLLDA_root),
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"jgibblda.LDA", "-est", "-dir", "{0}models/tickets".format(jgibbsLLDA_root), "-dfile",
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"tickets.gz",
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"-twords", str(top_topic_words), "-ntopics", str(n_topics)]
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subprocess.call(cmd_jgibbs_java, stdout=FNULL)
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# ANMERKUNG: Dateien sind versteckt. zu finden in models/
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cmd_gzip = ["gzip", "-dc", "{0}/models/tickets/.twords.gz".format(jgibbsLLDA_root)]
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output = subprocess.check_output(cmd_gzip).decode("utf-8")
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topic_regex = re.compile(r'Topic [0-9]*')
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#####################################
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# todo save results in file aufgrund von results
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result = []
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for line in output.splitlines():
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findall = topic_regex.findall(line)
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if len(findall) != 0:
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try:
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index = int(findall[0].split()[1])
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result.append("Topic {} {}:".format(index, labeldict_rev[index]))
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except:
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result.append(line)
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else:
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result.append(line)
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textacy.fileio.write_file_lines(result, path2save_results+".txt")
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#####################################
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results = []
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res_dict = {}
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count =0
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for line in output.splitlines():
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findall = topic_regex.findall(line)
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if len(findall) != 0:
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if len(res_dict) != 0:
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results.append(res_dict) #vorheriges an die liste ran (ist ja dann fertig)
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index = int(findall[0].split()[1])
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res_dict = {index : str(labeldict_rev[index]) }
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else:
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splitted = line.split()
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res_dict[splitted[0]] = float(splitted[1])
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if len(res_dict) != 0:
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results.append(res_dict) # letzes an die liste ran
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# every term in the resulsts to a list
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terms=[]
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for res in results:
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for key,value in res.items():
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if not isinstance(key, int) and not key in terms:
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terms.append(key)
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term2id = {t:i for i,t in enumerate(terms)} #and to dict
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################# termite plot #####################################################################
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topic_labels = list(range(len(labeldict)))
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term_labels = list(range(len(term2id))) #tuple([key for key in term2id.keys()])
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term_topic_weights = np.zeros((len(term2id),len(topic_labels)))
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for i,res in enumerate(results):
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for key,value in res.items():
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if not isinstance(key, int):
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term_topic_weights[term2id[key]][i] = value
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term_labels[term2id[key]] = key
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else:
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topic_labels[i] = labeldict_rev[key]
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draw.draw_termite(
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term_topic_weights, topic_labels, term_labels, save=path2save_results+".png")
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draw.draw_termite(
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term_topic_weights, topic_labels, term_labels, save=path2save_results+"_spaced.png",pow_x=0.78,pow_y=0.87)
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# save labeldict
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labeldict_path = path2save_results + "_labeldict.json"
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with open(labeldict_path, 'w') as file:
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file.write(json.dumps(labeldict))
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def jgibbsLLDA_category(corpus, path2save_results, top_topic_words=7):
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start = time.time()
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logprint("")
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logprint("start Category-LLDA:")
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# build dictionary of ticketcategories
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labelist = []
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for doc in corpus:
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labelist.append(normalize(doc.metadata["categoryName"]))
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labelist = list(set(labelist))
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print("len(labelist): {}".format(len(labelist)))
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labeldict = {k: v for v, k in enumerate(labelist)}
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def gen_cat_lines(textacyCorpus, labeldict):
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""" generates [topic1, topic2....] tok1 tok2 tok3 out of corpi"""
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for doc in textacyCorpus:
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yield "[" + str(labeldict.get(doc.metadata["categoryName"], len(labeldict))) + "] " + doc.text
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line_gen = gen_cat_lines(corpus, labeldict)
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path2save_results = path2save_results + "_kb_cat_llda_{}".format("top" + str(top_topic_words))
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jgibbsLLDA(labeldict, line_gen, path2save_results, top_topic_words=top_topic_words)
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end = time.time()
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logprint("\n\n\nTime Elapsed Category-LLDA :{0} min\n\n".format((end - start) / 60))
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def jgibbsLLDA_KB(corpus, path2save_results, top_topic_words = 7, kb_keywords=False):
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"""ticket_ID -> KB_ID -> keywords / subject -> llda"""
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start = time.time()
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logprint("")
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logprint("start {}-LLDA:".format("Keyword" if kb_keywords else "Subject"))
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# ticket2kb_dict
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kb2ticket_gen = textacy.fileio.read_csv(FILEPATH + "M42-Export/KB2Ticket_2017-09-13.csv", delimiter=";")
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ticket2kb_dict = {}
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for line in kb2ticket_gen:
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ticket_id = line[0]
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kb_id = line[1]
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ticket2kb_dict[ticket_id] = kb_id
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# {'INC55646': 'KBA10065', 'INC65776': 'KBA10040', 'INC43025': 'KBA10056', ...}
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kb_entries_used = len(list(set(ticket2kb_dict.values())))
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print("kb_entries_used: {}".format(kb_entries_used))
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# kb2keywords_dict
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kb2keywords_gen = textacy.fileio.read_csv(FILEPATH + "M42-Export/KB_2017-09-13.csv", delimiter=";")
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next(kb2keywords_gen,None) #skip first line("ArticleID";"Subject";"Keywords";...)
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kb2keywords_dict = {}
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for line in kb2keywords_gen:
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kb_id = line[0]
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subject = line[1]
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keywords = line[2]
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keywords_list = [normalize(x) for x in str(keywords).split(",")]
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if kb_id not in kb2keywords_dict.keys():
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kb2keywords_dict[kb_id] = []
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if kb_keywords:
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for item in keywords_list:
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if item != "":
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kb2keywords_dict[kb_id].append(item)
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else:
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kb2keywords_dict[kb_id].append(subject)
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#remove all empty items
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kb2keywords_dict = { k : v for k,v in kb2keywords_dict.items() if len(v) != 0}
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# {'KBA10091': ['citavi'], 'KBA10249': ['"beschaedigte unicard"', 'risse', '"defekte karte"'], ...}
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#keywords2kb_dict
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keywords2kb_dict = {}
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for kb_id, lst in kb2keywords_dict.items():
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for l in lst:
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if l not in keywords2kb_dict.keys():
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keywords2kb_dict[l] = [kb_id]
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else:
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keywords2kb_dict[l].append(kb_id)
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# {'unicard namensaenderung': ['KBA10276'], 'vpn': ['KBA10063'], 'outlook_exchange': ['KBA10181'], ...}
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# Look for actually used keywords
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used_keywords = []
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for doc in corpus:
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ticket_number = doc.metadata["TicketNumber"]
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kb_id = ticket2kb_dict.get(ticket_number, None)
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keywords = kb2keywords_dict.get(kb_id, None)
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if keywords and kb_id:
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used_keywords.append(list(map(normalize,keywords)))
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labelist = [item for sublist in used_keywords for item in sublist] #flatten list
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labelist = list(set(labelist))
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print("len(labelist): {}".format(len(labelist)))
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labeldict = {k: v for v, k in enumerate(labelist)}
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def gen_KB_lines(textacyCorpus, labeldict, ticket2kb_dict, kb2keywords_dict):
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for doc in corpus:
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ticket_number = doc.metadata["TicketNumber"]
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kb_number = ticket2kb_dict.get(ticket_number, None)
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keywords = kb2keywords_dict.get(kb_number, None)
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if keywords:
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label = ""
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for kw in keywords:
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label = label + str(labeldict.get(normalize(str(kw)), len(labeldict))) + " "
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yield "[ " + label + "] " + doc.text
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line_gen = gen_KB_lines(corpus, labeldict, ticket2kb_dict, kb2keywords_dict)
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path2save_results = path2save_results + "_kb_{}_llda_{}".format("keys" if kb_keywords else "subs",
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"top" + str(top_topic_words))
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jgibbsLLDA(labeldict, line_gen, path2save_results, top_topic_words=top_topic_words)
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end = time.time()
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logprint("\n\n\nTime Elapsed {1}-LLDA :{0} min\n\n".format((end - start) / 60,"Keyword" if kb_keywords else "Subject"))
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def jgibbsLLDA_KB_v2(corpus, path2save_results, top_topic_words = 7):
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start = time.time()
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logprint("")
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logprint("start LLDA:")
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# kb2keywords_dict / kb2subj_dict {str : [str]}
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kb2keywords_dict = {}
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kb2subjects_dict = {}
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kb_gen = textacy.fileio.read_csv(FILEPATH + "M42-Export/KB_2017-09-13.csv", delimiter=";")
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next(kb_gen, None) # skip first line "ArticleID";"Subject";"Keywords";...
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for line in kb_gen:
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kb_id = line[0]
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subject = normalize(line[1])
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keywords = [normalize(x) for x in str(line[2]).split(",")]
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if kb_id not in kb2keywords_dict.keys():
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kb2keywords_dict[kb_id] = keywords if keywords != [''] else ["DEFAULT"]
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else:
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kb2keywords_dict[kb_id] = kb2keywords_dict[kb_id] + keywords
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if kb_id not in kb2subjects_dict.keys():
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kb2subjects_dict[kb_id] = [normalize(subject) if subject != [''] else "DEFAULT"]
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else:
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kb2subjects_dict[kb_id].append(normalize(subject))
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# ticket2kbs_dict
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ticket2kbs_dict = {}
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kb2ticket_gen = textacy.fileio.read_csv(FILEPATH + "M42-Export/KB2Ticket_2017-09-13.csv", delimiter=";")
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next(kb2ticket_gen, None) # skip first line"TicketNumber";"ArticleID"
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for line in kb2ticket_gen:
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ticket_id = line[0]
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kb_id = line[1]
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if ticket_id not in ticket2kbs_dict.keys():
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ticket2kbs_dict[ticket_id] = [kb_id]
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else:
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ticket2kbs_dict[ticket_id].append(kb_id)
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# ticket2keywords
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ticket2keywords_dict = {} # {str:[str]}
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for ticket_id, kb_ids in ticket2kbs_dict.items():
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if ticket_id not in ticket2keywords_dict.keys():
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ticket2keywords_dict[ticket_id] = []
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for kb_id in kb_ids:
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ticket2keywords_dict[ticket_id].append(kb2keywords_dict[kb_id])
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ticket2keywords_dict[ticket_id] = flatten(ticket2keywords_dict[ticket_id])
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# ticket2subjects
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ticket2subjects_dict = {} # {str:[str]}
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for ticket_id, kb_ids in ticket2kbs_dict.items():
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if ticket_id not in ticket2subjects_dict.keys():
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ticket2subjects_dict[ticket_id] = []
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for kb_id in kb_ids:
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ticket2subjects_dict[ticket_id].append(kb2subjects_dict[kb_id])
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ticket2subjects_dict[ticket_id] = flatten(ticket2subjects_dict[ticket_id])
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# kb2keywords_dict {'KBA10230': ['DEFAULT'], 'KBA10129': ['DEFAULT'], 'KBA10287': ['sd_ansys_informationen'], } len = 260
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#kb2subjects_dict {'KBA10230': ['unicard nochmal beantragen'], 'KBA10129': ['sd_entsperrung unicard nach verlust/wiederfinden'], } len = 260
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# ticket2kbs_dict {'INC44526': ['KBA10056'], 'INC67205': ['KBA10056'], } len = 4832
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# ticket2keywords_dict {'INC44526': ['DEFAULT'], 'INC67205': ['DEFAULT'], 'INC71863': ['DEFAULT'], 'INC44392': ['asknet'] } len=4832
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#ticket2subjects_dioct {'INC44526': ['sd_telefon (antrag: neuanschluss, umzug, aenderung erledigt)'], len=4832
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# frage wieviele tickets pro topic?
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count_dict = {}
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for v in ticket2kbs_dict.values():
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for kb in v:
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if kb in count_dict.keys():
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count_dict[kb] +=1
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else:
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count_dict[kb] = 1
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import operator
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||
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||
sorted_dict = sorted(count_dict.items(), key=operator.itemgetter(1))
|
||
print("kb_entrys used: {}".format(len(sorted_dict)))
|
||
for k,v in sorted_dict:
|
||
print(k,kb2subjects_dict[k],v) #todo das selbe mit keywords
|
||
|
||
|
||
#todo hier weiter
|
||
|
||
|
||
# todo frage wie viele kb_entry's insg genutzt?
|
||
|
||
labelist = ticket2keywords_dict.values()
|
||
labelist = flatten(labelist)
|
||
labelist = list(set(labelist))
|
||
labeldict = {k: v for v, k in enumerate(labelist)}
|
||
|
||
|
||
|
||
|
||
|
||
def gen_key_lines(textacyCorpus, labeldict, ticket2keywords_dict):
|
||
for doc in corpus:
|
||
|
||
ticket_number = doc.metadata["TicketNumber"]
|
||
|
||
keywords = ticket2keywords_dict.get(ticket_number, ['DEFAULT'])
|
||
|
||
if keywords != ['DEFAULT']:
|
||
|
||
label = ""
|
||
for kw in keywords:
|
||
label = label + str(labeldict.get(normalize(str(kw)), labeldict['DEFAULT'])) + " "
|
||
|
||
yield "[ " + label + "] " + doc.text
|
||
|
||
keys_line_gen = gen_key_lines(corpus, labeldict, ticket2keywords_dict)
|
||
|
||
path2save_keys_results = path2save_results + "_kb_keys_llda_{}".format("top" + str(top_topic_words))
|
||
|
||
jgibbsLLDA(labeldict, keys_line_gen, path2save_keys_results, top_topic_words=top_topic_words)
|
||
|
||
|
||
|
||
|
||
|
||
"""
|
||
def gen_subj_lines(textacyCorpus, labeldict, ticket2subjects_dict):
|
||
|
||
for doc in corpus:
|
||
|
||
ticket_number = doc.metadata["TicketNumber"]
|
||
|
||
keywords = ticket2subjects_dict.get(ticket_number, ['DEFAULT'])
|
||
|
||
if keywords != ['DEFAULT']:
|
||
|
||
label = ""
|
||
for kw in keywords:
|
||
label = label + str(labeldict.get(normalize(str(kw)), len(labeldict))) + " "
|
||
|
||
yield "[ " + label + "] " + doc.text
|
||
"""
|
||
|
||
labelist = ticket2subjects_dict.values()
|
||
labelist = flatten(labelist)
|
||
labelist = list(set(labelist))
|
||
labeldict = {k: v for v, k in enumerate(labelist)}
|
||
labeldict.update({'DEFAULT' : len(labeldict)})
|
||
|
||
subj_line_gen = gen_key_lines(corpus, labeldict, ticket2subjects_dict)
|
||
|
||
path2save_subj_results = path2save_results + "_kb_subj_llda_{}".format("top" + str(top_topic_words))
|
||
|
||
jgibbsLLDA(labeldict, subj_line_gen, path2save_subj_results, top_topic_words=top_topic_words)
|
||
|
||
|
||
|
||
|
||
|
||
end = time.time()
|
||
logprint("\n\n\nTime Elapsed LLDA :{0} min\n\n".format((end - start) / 60))
|
||
|
||
|
||
|
||
|
||
|
||
def main( algorithm="llda"):
|
||
|
||
|
||
logprint("Topic Modeling: {0}".format(datetime.now()))
|
||
|
||
|
||
corpus_de_path = FILEPATH + config.get("de_corpus", "path")
|
||
corpus_en_path = FILEPATH + config.get("en_corpus", "path")
|
||
|
||
|
||
preCorpus_name = "de" + "_pre_ticket"
|
||
resultspath = FILEPATH + "results/pre"
|
||
|
||
|
||
# load corpus
|
||
de_corpus, parser = load_corpus(corpus_name=preCorpus_name, corpus_path=corpus_de_path)
|
||
logprint("Corpus loaded: {0}".format(de_corpus.lang))
|
||
|
||
|
||
|
||
if algorithm == "llda":
|
||
|
||
top_topic_words = 5
|
||
|
||
jgibbsLLDA_category(de_corpus, path2save_results=resultspath, top_topic_words=top_topic_words)
|
||
|
||
jgibbsLLDA_KB_v2(de_corpus, path2save_results=resultspath, top_topic_words=top_topic_words)
|
||
|
||
kb_keywords = False
|
||
#jgibbsLLDA_KB(de_corpus, path2save_results=resultspath, top_topic_words=top_topic_words, kb_keywords=kb_keywords)
|
||
|
||
kb_keywords = True
|
||
#jgibbsLLDA_KB(de_corpus, path2save_results=resultspath, top_topic_words=top_topic_words, kb_keywords=kb_keywords)
|
||
|
||
|
||
|
||
"""
|
||
top_topic_words = 10
|
||
path2save_results = resultspath + "_{}_{}".format(algorithm,"top"+str(top_topic_words))
|
||
jgibbsLLDA(de_corpus, path2save_results=path2save_results, top_topic_words=top_topic_words)
|
||
|
||
|
||
top_topic_words = 15
|
||
path2save_results = resultspath + "_{}_{}".format(algorithm, "top" + str(top_topic_words))
|
||
jgibbsLLDA(de_corpus, path2save_results=path2save_results, top_topic_words=top_topic_words)
|
||
|
||
top_topic_words = 20
|
||
path2save_results = resultspath + "_{}_{}".format(algorithm, "top" + str(top_topic_words))
|
||
jgibbsLLDA(de_corpus, path2save_results=path2save_results, top_topic_words=top_topic_words)
|
||
|
||
"""
|
||
else:
|
||
|
||
|
||
textacyTopicModeling(ngrams = 1,
|
||
topicModel = algorithm,
|
||
corpus=de_corpus)
|
||
"""
|
||
textacyTopicModeling(ngrams=1,
|
||
min_df=1,
|
||
max_df=0.9,
|
||
topicModel=algorithm,
|
||
n_topics=20,
|
||
corpus=de_corpus)
|
||
|
||
textacyTopicModeling(ngrams=1,
|
||
min_df=1,
|
||
max_df=0.9,
|
||
topicModel=algorithm,
|
||
n_topics=25,
|
||
corpus=de_corpus)
|
||
|
||
|
||
textacyTopicModeling(ngrams=1,
|
||
min_df=1,
|
||
max_df=0.9,
|
||
topicModel=algorithm,
|
||
n_topics=30,
|
||
corpus=de_corpus)
|
||
"""
|
||
|
||
|
||
textacyTopicModeling(ngrams=(1, 2),
|
||
topicModel=algorithm,
|
||
corpus=de_corpus)
|
||
"""
|
||
textacyTopicModeling(ngrams = (1,2),
|
||
min_df = 1,
|
||
max_df = 0.9,
|
||
topicModel = algorithm,
|
||
n_topics =20,
|
||
corpus=de_corpus)
|
||
|
||
textacyTopicModeling(ngrams = (1,2),
|
||
min_df = 1,
|
||
max_df = 0.9,
|
||
topicModel = algorithm,
|
||
n_topics =25,
|
||
corpus=de_corpus)
|
||
|
||
|
||
textacyTopicModeling(ngrams = (1,2),
|
||
min_df = 1,
|
||
max_df = 0.9,
|
||
topicModel = algorithm,
|
||
n_topics =30,
|
||
corpus=de_corpus)
|
||
"""
|
||
|
||
|
||
|
||
|
||
if __name__ == "__main__":
|
||
main()
|
||
|
||
|
||
|
||
|
||
|
||
|