preprocessing erstmal soweit fertig.
das mit der config wird noch verfeinert
This commit is contained in:
jannis.grundmann
parent
f09a261816
commit
4dbb07ae3f
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[default]
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thesauruspath = openthesaurus.csv
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path2xml = ticketSamples.xml
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language = de
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[preprocessing]
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ents = WORK_OF_ART,ORG,PRODUCT,LOC
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custom_words = grüßen,fragen
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#lemmatize = True
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default_return_first_Syn = False
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# -*- coding: utf-8 -*-
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import csv
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import random
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import sys
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import spacy
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import textacy
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"""
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import keras
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import numpy as np
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from keras.layers import Dense, SimpleRNN, LSTM, TimeDistributed, Dropout
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from keras.models import Sequential
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import keras.backend as K
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"""
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csv.field_size_limit(sys.maxsize)
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"""
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def getFirstSynonym(word, thesaurus_gen):
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word = word.lower()
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# TODO word cleaning https://stackoverflow.com/questions/3939361/remove-specific-characters-from-a-string-in-python
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# durch den thesaurrus iterieren
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for syn_block in thesaurus_gen: # syn_block ist eine liste mit Synonymen
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# durch den synonymblock iterieren
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for syn in syn_block:
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syn = syn.lower().split(" ") if not re.match(r'\A[\w-]+\Z', syn) else syn # aus synonym mach liste (um evtl. sätze zu identifieziren)
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# falls das wort in dem synonym enthalten ist (also == einem Wort in der liste ist)
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if word in syn:
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# Hauptform suchen
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if "auptform" in syn:
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# nicht ausgeben, falls es in Klammern steht
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for w in syn:
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if not re.match(r'\([^)]+\)', w) and w is not None:
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return w
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# falls keine hauptform enthalten ist, das erste Synonym zurückgeben, was kein satz ist und nicht in klammern steht
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if len(syn) == 1:
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w = syn[0]
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if not re.match(r'\([^)]+\)', w) and w is not None:
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return w
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return word # zur Not die eingabe ausgeben
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"""
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"""
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def cleanText(string,custom_stopwords=None, custom_symbols=None, custom_words=None, customPreprocessing=None, lemmatize=False, normalize_synonyms=False):
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# use preprocessing
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if customPreprocessing is not None:
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string = customPreprocessing(string)
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if custom_stopwords is not None:
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custom_stopwords = custom_stopwords
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else:
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custom_stopwords = []
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if custom_words is not None:
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custom_words = custom_words
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else:
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custom_words = []
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if custom_symbols is not None:
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custom_symbols = custom_symbols
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else:
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custom_symbols = []
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# custom stoplist
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# https://stackoverflow.com/questions/9806963/how-to-use-pythons-import-function-properly-import
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stop_words = __import__("spacy." + PARSER.lang, globals(), locals(), ['object']).STOP_WORDS
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stoplist =list(stop_words) + custom_stopwords
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# List of symbols we don't care about either
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symbols = ["-----","---","...","“","”",".","-","<",">",",","?","!","..","n’t","n't","|","||",";",":","…","’s","'s",".","(",")","[","]","#"] + custom_symbols
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# get rid of newlines
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string = string.strip().replace("\n", " ").replace("\r", " ")
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# replace twitter
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mentionFinder = re.compile(r"@[a-z0-9_]{1,15}", re.IGNORECASE)
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string = mentionFinder.sub("MENTION", string)
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# replace emails
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emailFinder = re.compile(r"\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b", re.IGNORECASE)
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string = emailFinder.sub("EMAIL", string)
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# replace urls
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urlFinder = re.compile(r"^(?:https?:\/\/)?(?:www\.)?[a-zA-Z0-9./]+$", re.IGNORECASE)
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string = urlFinder.sub("URL", string)
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# replace HTML symbols
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string = string.replace("&", "and").replace(">", ">").replace("<", "<")
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# parse with spaCy
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spacy_doc = PARSER(string)
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tokens = []
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added_entities = ["WORK_OF_ART","ORG","PRODUCT", "LOC"]#,"PERSON"]
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added_POS = ["NOUN"]#, "NUM" ]#,"VERB","ADJ"] #IDEE NUM mit in den Corpus aufnehmen, aber fürs TopicModeling nur Nomen http://aclweb.org/anthology/U15-1013
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# append Tokens to a list
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for tok in spacy_doc:
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if tok.pos_ in added_POS:
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if lemmatize:
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tokens.append(tok.lemma_.lower().strip())
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else:
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tokens.append(tok.text.lower().strip())
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# add entities
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if tok.ent_type_ in added_entities:
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tokens.append(tok.text.lower())
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# remove stopwords
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tokens = [tok for tok in tokens if tok not in stoplist]
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# remove symbols
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tokens = [tok for tok in tokens if tok not in symbols]
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# remove custom_words
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tokens = [tok for tok in tokens if tok not in custom_words]
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# remove single characters
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tokens = [tok for tok in tokens if len(tok)>1]
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# remove large strings of whitespace
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remove_large_strings_of_whitespace(" ".join(tokens))
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#idee abkürzungen auflösen (v.a. TU -> Technische Universität)
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if normalize_synonyms:
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tokens = [str(getFirstSynonym(tok,THESAURUS_list)) for tok in tokens]
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return " ".join(tokens)
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def remove_large_strings_of_whitespace(sentence):
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whitespaceFinder = re.compile(r'(\r\n|\r|\n)', re.IGNORECASE)
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sentence = whitespaceFinder.sub(" ", sentence)
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tokenlist = sentence.split(" ")
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while "" in tokenlist:
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tokenlist.remove("")
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while " " in tokenlist:
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tokenlist.remove(" ")
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return " ".join(tokenlist)
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"""
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"""
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def generateFromXML(path2xml, textfield='Beschreibung', clean=False, normalize_Synonyms=False,lemmatize=False):
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import xml.etree.ElementTree as ET
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tree = ET.parse(path2xml, ET.XMLParser(encoding="utf-8"))
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root = tree.getroot()
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for ticket in root:
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metadata = {}
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text = "ERROR"
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for field in ticket:
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if field.tag == textfield:
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if clean:
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text = cleanText_words(field.text,PARSER,normalize_synonyms=normalize_Synonyms,lemmatize=lemmatize)
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else:
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text = field.text
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else:
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#idee hier auch cleanen?
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metadata[field.tag] = field.text
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yield text, metadata
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"""
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LANGUAGE = 'de'
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#PARSER = de_core_news_md.load()
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PARSER = spacy.load(LANGUAGE)
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from old.textCleaning import TextCleaner
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cleaner = TextCleaner(parser=PARSER)
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def generateTextfromTicketXML(path2xml, textfield='Beschreibung', clean=False, normalize_Synonyms=False, lemmatize=False):
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import xml.etree.ElementTree as ET
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tree = ET.parse(path2xml, ET.XMLParser(encoding="utf-8"))
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root = tree.getroot()
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for ticket in root:
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text = "ERROR"
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for field in ticket:
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if field.tag == textfield:
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if clean:
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text = cleaner.normalizeSynonyms(cleaner.removeWords(cleaner.keepPOSandENT(field.text))) #,normalize_synonyms=normalize_Synonyms,lemmatize=lemmatize)
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else:
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text = field.text
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yield text
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def generateMetadatafromTicketXML(path2xml, textfield='Beschreibung'):#,keys_to_clean=["Loesung","Zusammenfassung"]):
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import xml.etree.ElementTree as ET
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tree = ET.parse(path2xml, ET.XMLParser(encoding="utf-8"))
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root = tree.getroot()
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for ticket in root:
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metadata = {}
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for field in ticket:
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if field.tag != textfield:
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if field.tag == "Zusammenfassung":
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metadata[field.tag] = cleaner.removePunctuation(field.text)
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elif field.tag == "Loesung":
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metadata[field.tag] = cleaner.removeWhitespace(field.text)
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else:
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metadata[field.tag] = field.text
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yield metadata
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"""
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def cleanText_symbols(string, parser=PARSER, custom_symbols=None, keep=None):
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if custom_symbols is not None:
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custom_symbols = custom_symbols
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else:
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custom_symbols = []
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if keep is not None:
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keep = keep
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else:
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keep = []
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# List of symbols we don't care about
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symbols = ["-----","---","...","“","”",".","-","<",">",",","?","!","..","n’t","n't","|","||",";",":","…","’s","'s",".","(",")","[","]","#"] + custom_symbols
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# parse with spaCy
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spacy_doc = parser(string)
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tokens = []
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pos = ["NUM", "SPACE", "PUNCT"]
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for p in keep:
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pos.remove(p)
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# append Tokens to a list
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for tok in spacy_doc:
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if tok.pos_ not in pos and tok.text not in symbols:
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tokens.append(tok.text)
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return " ".join(tokens)
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def cleanText_words(string,parser=PARSER, custom_stopwords=None, custom_words=None, customPreprocessing=cleanText_symbols, lemmatize=False, normalize_synonyms=False):
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# use preprocessing
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if customPreprocessing is not None:
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string = customPreprocessing(string)
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if custom_stopwords is not None:
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custom_stopwords = custom_stopwords
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else:
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custom_stopwords = []
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if custom_words is not None:
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custom_words = custom_words
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else:
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custom_words = []
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# custom stoplist
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# https://stackoverflow.com/questions/9806963/how-to-use-pythons-import-function-properly-import
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stop_words = __import__("spacy." + parser.lang, globals(), locals(), ['object']).STOP_WORDS
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stoplist =list(stop_words) + custom_stopwords
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# replace twitter
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mentionFinder = re.compile(r"@[a-z0-9_]{1,15}", re.IGNORECASE)
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string = mentionFinder.sub("MENTION", string)
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# replace emails
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emailFinder = re.compile(r"\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b", re.IGNORECASE)
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string = emailFinder.sub("EMAIL", string)
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# replace urls
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urlFinder = re.compile(r"^(?:https?:\/\/)?(?:www\.)?[a-zA-Z0-9./]+$", re.IGNORECASE)
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string = urlFinder.sub("URL", string)
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# replace HTML symbols
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string = string.replace("&", "and").replace(">", ">").replace("<", "<")
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# parse with spaCy
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spacy_doc = parser(string)
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tokens = []
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added_entities = ["WORK_OF_ART","ORG","PRODUCT", "LOC"]#,"PERSON"]
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added_POS = ["NOUN"]#, "NUM" ]#,"VERB","ADJ"] #fürs TopicModeling nur Nomen http://aclweb.org/anthology/U15-1013
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# append Tokens to a list
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for tok in spacy_doc:
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if tok.pos_ in added_POS:
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if lemmatize:
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tokens.append(tok.lemma_.lower().strip())
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else:
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tokens.append(tok.text.lower().strip())
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# add entities
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if tok.ent_type_ in added_entities:
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tokens.append(tok.text.lower())
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# remove stopwords
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tokens = [tok for tok in tokens if tok not in stoplist]
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# remove custom_words
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tokens = [tok for tok in tokens if tok not in custom_words]
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# remove single characters
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tokens = [tok for tok in tokens if len(tok)>1]
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# remove large strings of whitespace
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#remove_whitespace(" ".join(tokens))
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#idee abkürzungen auflösen (v.a. TU -> Technische Universität): abkürzungsverezeichnis
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if normalize_synonyms:
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tokens = [str(getFirstSynonym(tok,THESAURUS_list)) for tok in tokens]
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return " ".join(set(tokens))
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def cleanText_removeWhitespace(sentence):
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whitespaceFinder = re.compile(r'(\r\n|\r|\n|(\s)+)', re.IGNORECASE)
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sentence = whitespaceFinder.sub(" ", sentence)
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return sentence
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#todo: preprocess pipe: removewhitespace, removePUNCT, resolveAbk, keepPOS, keepEnt, removeWords, normalizeSynonyms
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def getFirstSynonym(word, thesaurus_gen):
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word = word.lower()
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# durch den thesaurrus iterieren
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for syn_block in thesaurus_gen: # syn_block ist eine liste mit Synonymen
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for syn in syn_block:
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syn = syn.lower()
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if re.match(r'\A[\w-]+\Z', syn): # falls syn einzelwort ist
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if word == syn:
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return getHauptform(syn_block, word)
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else: # falls es ein satz ist
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if word in syn:
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return getHauptform(syn_block, word)
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return word # zur Not, das ursrpüngliche Wort zurückgeben
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def getHauptform(syn_block, word, default_return_first_Syn=False):
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for syn in syn_block:
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syn = syn.lower()
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if "hauptform" in syn and len(syn.split(" ")) <= 2:
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# nicht ausgeben, falls es in Klammern steht
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for w in syn.split(" "):
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if not re.match(r'\([^)]+\)', w):
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return w
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if default_return_first_Syn:
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# falls keine hauptform enthalten ist, das erste Synonym zurückgeben, was kein satz ist und nicht in klammern steht
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for w in syn_block:
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if not re.match(r'\([^)]+\)', w):
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return w
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return word # zur Not, das ursrpüngliche Wort zurückgeben
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"""
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def printRandomDoc(textacyCorpus):
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print()
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print("len(textacyCorpus) = %i" % len(textacyCorpus))
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randIndex = int((len(textacyCorpus) - 1) * random.random())
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print("Index: {0} ; Text: {1} ; Metadata: {2}".format(randIndex, textacyCorpus[randIndex].text, textacyCorpus[randIndex].metadata))
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print()
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####################'####################'####################'####################'####################'##############
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# todo config-file
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DATAPATH = "ticketSamples.xml"
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DATAPATH_thesaurus = "openthesaurus.csv"
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normalize_Synonyms = True
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clean = True
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lemmatize = True
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custom_words = ["grüßen", "fragen"]
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####################'####################'####################'####################'####################'##############
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## files to textacy-corpus
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textacyCorpus = textacy.Corpus(PARSER)
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print("add texts to textacy-corpus...")
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textacyCorpus.add_texts(texts=generateTextfromTicketXML(DATAPATH, normalize_Synonyms=normalize_Synonyms, clean=clean, lemmatize=lemmatize), metadatas=generateMetadatafromTicketXML(DATAPATH))
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#for txt, dic in generateFromXML(DATAPATH, normalize_Synonyms=normalize_Synonyms, clean=clean, lemmatize=lemmatize):
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# textacyCorpus.add_text(txt,dic)
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for doc in textacyCorpus:
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print(doc.metadata)
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print(doc.text)
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#print(textacyCorpus[2].text)
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#printRandomDoc(textacyCorpus)
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#print(textacyCorpus[len(textacyCorpus)-1].text)
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print()
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print()
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@ -118,7 +118,7 @@ def keepinDoc(doc, toKeep=None):
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return " ".join([tok.text for tok in doc if tok.pos_ in toKeep or tok.ent_type_ in toKeep or tok.tag_ in toKeep])
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#todo https://mathieularose.com/function-composition-in-python/
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# https://mathieularose.com/function-composition-in-python/
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parser = spacy.load('de')
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cleaner = TextCleaner(parser)
|
||||
corpus_raw = textacy.Corpus(parser)
|
||||
|
|
@ -106,10 +106,6 @@ class TextCleaner:
|
|||
|
||||
return " ".join(tokens)
|
||||
|
||||
def resolveAbbreviations(self,string):
|
||||
return string #todo
|
||||
|
||||
|
||||
def keepPOSandENT(self, string, customPOS=None, customEnt=None, remove=None):
|
||||
|
||||
pos2keep = self.pos2keep + (customPOS if customPOS is not None else [])
|
||||
|
|
@ -142,6 +138,10 @@ class TextCleaner:
|
|||
|
||||
|
||||
|
||||
|
||||
|
||||
def resolveAbbreviations(self,string):
|
||||
return string #todo
|
||||
def removeWords(self,string, custom_words=None, keep=None, lemmatize=False):
|
||||
|
||||
wordlist = self.stop_words + (custom_words if custom_words is not None else [])
|
||||
|
|
@ -176,11 +176,6 @@ class TextCleaner:
|
|||
return " ".join(set(tokens))
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
def normalizeSynonyms(self, string, default_return_first_Syn=False):
|
||||
# parse with spaCy
|
||||
spacy_doc = self.parser(string)
|
||||
|
|
@ -190,8 +185,6 @@ class TextCleaner:
|
|||
|
||||
return " ".join(set(tokens))
|
||||
|
||||
|
||||
|
||||
def getFirstSynonym(self,word, thesaurus, default_return_first_Syn=False):
|
||||
if not isinstance(word, str):
|
||||
return word
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
TH;Technische_Universität (Hauptform);Technische Hochschule;TU
|
||||
Passwort (Hauptform);Kodewort;Schlüsselwort;Zugangscode;Kennwort (Hauptform);Geheimcode;Losung;Codewort;Zugangswort;Losungswort;Parole
|
||||
TH;Technische_Universität (Hauptform);Technische Hochschule;TU
|
||||
Fission;Kernfission;Kernspaltung;Atomspaltung
|
||||
Wiederaufnahme;Fortführung
|
||||
davonfahren;abdüsen (ugs.);aufbrechen;abfliegen;abfahren;(von etwas) fortfahren;abreisen;wegfahren;wegfliegen
|
||||
|
|
|
|||
|
Can't render this file because it is too large.
|
511
preprocessing.py
511
preprocessing.py
|
|
@ -1,389 +1,190 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
import csv
|
||||
import random
|
||||
import functools
|
||||
import re
|
||||
|
||||
import spacy
|
||||
import textacy
|
||||
import sys
|
||||
|
||||
import textacy
|
||||
import xml.etree.ElementTree as ET
|
||||
"""
|
||||
import keras
|
||||
import numpy as np
|
||||
from keras.layers import Dense, SimpleRNN, LSTM, TimeDistributed, Dropout
|
||||
from keras.models import Sequential
|
||||
import keras.backend as K
|
||||
"""
|
||||
import io
|
||||
csv.field_size_limit(sys.maxsize)
|
||||
|
||||
"""
|
||||
def getFirstSynonym(word, thesaurus_gen):
|
||||
|
||||
word = word.lower()
|
||||
# TODO word cleaning https://stackoverflow.com/questions/3939361/remove-specific-characters-from-a-string-in-python
|
||||
|
||||
|
||||
# durch den thesaurrus iterieren
|
||||
for syn_block in thesaurus_gen: # syn_block ist eine liste mit Synonymen
|
||||
|
||||
# durch den synonymblock iterieren
|
||||
for syn in syn_block:
|
||||
syn = syn.lower().split(" ") if not re.match(r'\A[\w-]+\Z', syn) else syn # aus synonym mach liste (um evtl. sätze zu identifieziren)
|
||||
|
||||
# falls das wort in dem synonym enthalten ist (also == einem Wort in der liste ist)
|
||||
if word in syn:
|
||||
|
||||
# Hauptform suchen
|
||||
if "auptform" in syn:
|
||||
# nicht ausgeben, falls es in Klammern steht
|
||||
for w in syn:
|
||||
if not re.match(r'\([^)]+\)', w) and w is not None:
|
||||
return w
|
||||
|
||||
# falls keine hauptform enthalten ist, das erste Synonym zurückgeben, was kein satz ist und nicht in klammern steht
|
||||
if len(syn) == 1:
|
||||
w = syn[0]
|
||||
if not re.match(r'\([^)]+\)', w) and w is not None:
|
||||
return w
|
||||
|
||||
return word # zur Not die eingabe ausgeben
|
||||
# Load the configuration file
|
||||
import configparser as ConfigParser
|
||||
config = ConfigParser.ConfigParser()
|
||||
with open("config.ini") as f:
|
||||
config.read_file(f)
|
||||
|
||||
|
||||
"""
|
||||
"""
|
||||
def cleanText(string,custom_stopwords=None, custom_symbols=None, custom_words=None, customPreprocessing=None, lemmatize=False, normalize_synonyms=False):
|
||||
PARSER = spacy.load(config.get("default","language"))
|
||||
corpus = textacy.Corpus(PARSER)
|
||||
|
||||
# use preprocessing
|
||||
if customPreprocessing is not None:
|
||||
string = customPreprocessing(string)
|
||||
thesauruspath = config.get("default","thesauruspath")
|
||||
THESAURUS = list(textacy.fileio.read_csv(thesauruspath, delimiter=";"))
|
||||
|
||||
|
||||
|
||||
if custom_stopwords is not None:
|
||||
custom_stopwords = custom_stopwords
|
||||
else:
|
||||
custom_stopwords = []
|
||||
|
||||
if custom_words is not None:
|
||||
custom_words = custom_words
|
||||
else:
|
||||
custom_words = []
|
||||
|
||||
if custom_symbols is not None:
|
||||
custom_symbols = custom_symbols
|
||||
else:
|
||||
custom_symbols = []
|
||||
def compose(*functions):
|
||||
def compose2(f, g):
|
||||
return lambda x: f(g(x))
|
||||
return functools.reduce(compose2, functions, lambda x: x)
|
||||
|
||||
|
||||
# custom stoplist
|
||||
# https://stackoverflow.com/questions/9806963/how-to-use-pythons-import-function-properly-import
|
||||
stop_words = __import__("spacy." + PARSER.lang, globals(), locals(), ['object']).STOP_WORDS
|
||||
################ generate Content and Metadata ########################
|
||||
|
||||
stoplist =list(stop_words) + custom_stopwords
|
||||
# List of symbols we don't care about either
|
||||
symbols = ["-----","---","...","“","”",".","-","<",">",",","?","!","..","n’t","n't","|","||",";",":","…","’s","'s",".","(",")","[","]","#"] + custom_symbols
|
||||
def generateMainTextfromTicketXML(path2xml, main_textfield='Beschreibung'):
|
||||
"""
|
||||
generates strings from XML
|
||||
:param path2xml:
|
||||
:param main_textfield:
|
||||
:param cleaning_function:
|
||||
:yields strings
|
||||
"""
|
||||
tree = ET.parse(path2xml, ET.XMLParser(encoding="utf-8"))
|
||||
root = tree.getroot()
|
||||
|
||||
for ticket in root:
|
||||
for field in ticket:
|
||||
if field.tag == main_textfield:
|
||||
yield field.text
|
||||
|
||||
|
||||
# get rid of newlines
|
||||
string = string.strip().replace("\n", " ").replace("\r", " ")
|
||||
|
||||
# replace twitter
|
||||
mentionFinder = re.compile(r"@[a-z0-9_]{1,15}", re.IGNORECASE)
|
||||
string = mentionFinder.sub("MENTION", string)
|
||||
|
||||
# replace emails
|
||||
emailFinder = re.compile(r"\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b", re.IGNORECASE)
|
||||
string = emailFinder.sub("EMAIL", string)
|
||||
|
||||
# replace urls
|
||||
urlFinder = re.compile(r"^(?:https?:\/\/)?(?:www\.)?[a-zA-Z0-9./]+$", re.IGNORECASE)
|
||||
string = urlFinder.sub("URL", string)
|
||||
|
||||
# replace HTML symbols
|
||||
string = string.replace("&", "and").replace(">", ">").replace("<", "<")
|
||||
|
||||
|
||||
|
||||
|
||||
# parse with spaCy
|
||||
spacy_doc = PARSER(string)
|
||||
tokens = []
|
||||
|
||||
added_entities = ["WORK_OF_ART","ORG","PRODUCT", "LOC"]#,"PERSON"]
|
||||
added_POS = ["NOUN"]#, "NUM" ]#,"VERB","ADJ"] #IDEE NUM mit in den Corpus aufnehmen, aber fürs TopicModeling nur Nomen http://aclweb.org/anthology/U15-1013
|
||||
|
||||
# append Tokens to a list
|
||||
for tok in spacy_doc:
|
||||
if tok.pos_ in added_POS:
|
||||
if lemmatize:
|
||||
tokens.append(tok.lemma_.lower().strip())
|
||||
else:
|
||||
tokens.append(tok.text.lower().strip())
|
||||
|
||||
# add entities
|
||||
if tok.ent_type_ in added_entities:
|
||||
tokens.append(tok.text.lower())
|
||||
|
||||
|
||||
|
||||
# remove stopwords
|
||||
tokens = [tok for tok in tokens if tok not in stoplist]
|
||||
|
||||
# remove symbols
|
||||
tokens = [tok for tok in tokens if tok not in symbols]
|
||||
|
||||
# remove custom_words
|
||||
tokens = [tok for tok in tokens if tok not in custom_words]
|
||||
|
||||
# remove single characters
|
||||
tokens = [tok for tok in tokens if len(tok)>1]
|
||||
|
||||
# remove large strings of whitespace
|
||||
remove_large_strings_of_whitespace(" ".join(tokens))
|
||||
|
||||
|
||||
#idee abkürzungen auflösen (v.a. TU -> Technische Universität)
|
||||
|
||||
if normalize_synonyms:
|
||||
tokens = [str(getFirstSynonym(tok,THESAURUS_list)) for tok in tokens]
|
||||
|
||||
return " ".join(tokens)
|
||||
|
||||
|
||||
def remove_large_strings_of_whitespace(sentence):
|
||||
|
||||
whitespaceFinder = re.compile(r'(\r\n|\r|\n)', re.IGNORECASE)
|
||||
sentence = whitespaceFinder.sub(" ", sentence)
|
||||
|
||||
tokenlist = sentence.split(" ")
|
||||
|
||||
while "" in tokenlist:
|
||||
tokenlist.remove("")
|
||||
while " " in tokenlist:
|
||||
tokenlist.remove(" ")
|
||||
|
||||
return " ".join(tokenlist)
|
||||
"""
|
||||
"""
|
||||
def generateFromXML(path2xml, textfield='Beschreibung', clean=False, normalize_Synonyms=False,lemmatize=False):
|
||||
import xml.etree.ElementTree as ET
|
||||
|
||||
def generateMetadatafromTicketXML(path2xml, leave_out=['Beschreibung']):
|
||||
tree = ET.parse(path2xml, ET.XMLParser(encoding="utf-8"))
|
||||
root = tree.getroot()
|
||||
|
||||
for ticket in root:
|
||||
metadata = {}
|
||||
text = "ERROR"
|
||||
for field in ticket:
|
||||
if field.tag == textfield:
|
||||
if clean:
|
||||
text = cleanText_words(field.text,PARSER,normalize_synonyms=normalize_Synonyms,lemmatize=lemmatize)
|
||||
else:
|
||||
text = field.text
|
||||
else:
|
||||
#idee hier auch cleanen?
|
||||
metadata[field.tag] = field.text
|
||||
yield text, metadata
|
||||
"""
|
||||
if field.tag not in leave_out:
|
||||
|
||||
|
||||
LANGUAGE = 'de'
|
||||
#PARSER = de_core_news_md.load()
|
||||
PARSER = spacy.load(LANGUAGE)
|
||||
|
||||
from textCleaning import TextCleaner
|
||||
|
||||
cleaner = TextCleaner(parser=PARSER)
|
||||
|
||||
|
||||
def generateTextfromTicketXML(path2xml, textfield='Beschreibung', clean=False, normalize_Synonyms=False, lemmatize=False):
|
||||
import xml.etree.ElementTree as ET
|
||||
|
||||
tree = ET.parse(path2xml, ET.XMLParser(encoding="utf-8"))
|
||||
root = tree.getroot()
|
||||
|
||||
|
||||
for ticket in root:
|
||||
text = "ERROR"
|
||||
for field in ticket:
|
||||
if field.tag == textfield:
|
||||
if clean:
|
||||
text = cleaner.normalizeSynonyms(cleaner.removeWords(cleaner.keepPOSandENT(field.text))) #,normalize_synonyms=normalize_Synonyms,lemmatize=lemmatize)
|
||||
else:
|
||||
text = field.text
|
||||
yield text
|
||||
|
||||
def generateMetadatafromTicketXML(path2xml, textfield='Beschreibung'):#,keys_to_clean=["Loesung","Zusammenfassung"]):
|
||||
import xml.etree.ElementTree as ET
|
||||
|
||||
tree = ET.parse(path2xml, ET.XMLParser(encoding="utf-8"))
|
||||
|
||||
root = tree.getroot()
|
||||
|
||||
for ticket in root:
|
||||
metadata = {}
|
||||
for field in ticket:
|
||||
if field.tag != textfield:
|
||||
if field.tag == "Zusammenfassung":
|
||||
metadata[field.tag] = cleaner.removePunctuation(field.text)
|
||||
elif field.tag == "Loesung":
|
||||
metadata[field.tag] = cleaner.removeWhitespace(field.text)
|
||||
else:
|
||||
metadata[field.tag] = field.text
|
||||
|
||||
yield metadata
|
||||
|
||||
def printRandomDoc(textacyCorpus):
|
||||
import random
|
||||
print()
|
||||
|
||||
print("len(textacyCorpus) = %i" % len(textacyCorpus))
|
||||
randIndex = int((len(textacyCorpus) - 1) * random.random())
|
||||
print("Index: {0} ; Text: {1} ; Metadata: {2}".format(randIndex, textacyCorpus[randIndex].text, textacyCorpus[randIndex].metadata))
|
||||
|
||||
print()
|
||||
|
||||
"""
|
||||
def cleanText_symbols(string, parser=PARSER, custom_symbols=None, keep=None):
|
||||
################ Preprocess#########################
|
||||
|
||||
if custom_symbols is not None:
|
||||
custom_symbols = custom_symbols
|
||||
def processDictstream(dictstream, funcdict, parser=PARSER):
|
||||
for dic in dictstream:
|
||||
result = {}
|
||||
for key, value in dic.items():
|
||||
if key in funcdict:
|
||||
result[key] = funcdict[key](parser(value))
|
||||
else:
|
||||
custom_symbols = []
|
||||
result[key] = key
|
||||
yield result
|
||||
|
||||
if keep is not None:
|
||||
keep = keep
|
||||
else:
|
||||
keep = []
|
||||
def processTextstream(textstream, func, parser=PARSER):
|
||||
# input str-stream output str-stream
|
||||
pipe = parser.pipe(textstream)
|
||||
|
||||
# List of symbols we don't care about
|
||||
symbols = ["-----","---","...","“","”",".","-","<",">",",","?","!","..","n’t","n't","|","||",";",":","…","’s","'s",".","(",")","[","]","#"] + custom_symbols
|
||||
|
||||
# parse with spaCy
|
||||
spacy_doc = parser(string)
|
||||
tokens = []
|
||||
|
||||
pos = ["NUM", "SPACE", "PUNCT"]
|
||||
for p in keep:
|
||||
pos.remove(p)
|
||||
|
||||
|
||||
# append Tokens to a list
|
||||
for tok in spacy_doc:
|
||||
if tok.pos_ not in pos and tok.text not in symbols:
|
||||
tokens.append(tok.text)
|
||||
|
||||
return " ".join(tokens)
|
||||
|
||||
def cleanText_words(string,parser=PARSER, custom_stopwords=None, custom_words=None, customPreprocessing=cleanText_symbols, lemmatize=False, normalize_synonyms=False):
|
||||
|
||||
# use preprocessing
|
||||
if customPreprocessing is not None:
|
||||
string = customPreprocessing(string)
|
||||
|
||||
if custom_stopwords is not None:
|
||||
custom_stopwords = custom_stopwords
|
||||
else:
|
||||
custom_stopwords = []
|
||||
|
||||
if custom_words is not None:
|
||||
custom_words = custom_words
|
||||
else:
|
||||
custom_words = []
|
||||
|
||||
|
||||
# custom stoplist
|
||||
# https://stackoverflow.com/questions/9806963/how-to-use-pythons-import-function-properly-import
|
||||
stop_words = __import__("spacy." + parser.lang, globals(), locals(), ['object']).STOP_WORDS
|
||||
|
||||
stoplist =list(stop_words) + custom_stopwords
|
||||
|
||||
# replace twitter
|
||||
mentionFinder = re.compile(r"@[a-z0-9_]{1,15}", re.IGNORECASE)
|
||||
string = mentionFinder.sub("MENTION", string)
|
||||
|
||||
# replace emails
|
||||
emailFinder = re.compile(r"\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b", re.IGNORECASE)
|
||||
string = emailFinder.sub("EMAIL", string)
|
||||
|
||||
# replace urls
|
||||
urlFinder = re.compile(r"^(?:https?:\/\/)?(?:www\.)?[a-zA-Z0-9./]+$", re.IGNORECASE)
|
||||
string = urlFinder.sub("URL", string)
|
||||
|
||||
# replace HTML symbols
|
||||
string = string.replace("&", "and").replace(">", ">").replace("<", "<")
|
||||
for doc in pipe:
|
||||
yield func(doc)
|
||||
|
||||
|
||||
|
||||
# parse with spaCy
|
||||
spacy_doc = parser(string)
|
||||
tokens = []
|
||||
|
||||
added_entities = ["WORK_OF_ART","ORG","PRODUCT", "LOC"]#,"PERSON"]
|
||||
added_POS = ["NOUN"]#, "NUM" ]#,"VERB","ADJ"] #fürs TopicModeling nur Nomen http://aclweb.org/anthology/U15-1013
|
||||
def keepOnlyPOS(pos_list, parser=PARSER):
|
||||
return lambda doc : parser(" ".join([tok.text for tok in doc if tok.pos_ in pos_list]))
|
||||
|
||||
# append Tokens to a list
|
||||
for tok in spacy_doc:
|
||||
if tok.pos_ in added_POS:
|
||||
if lemmatize:
|
||||
tokens.append(tok.lemma_.lower().strip())
|
||||
else:
|
||||
tokens.append(tok.text.lower().strip())
|
||||
def removeAllPOS(pos_list, parser=PARSER):
|
||||
return lambda doc: parser(" ".join([tok.text for tok in doc if tok.pos_ not in pos_list]))
|
||||
|
||||
# add entities
|
||||
if tok.ent_type_ in added_entities:
|
||||
tokens.append(tok.text.lower())
|
||||
def keepOnlyENT(ent_list,parser=PARSER):
|
||||
return lambda doc: parser(" ".join([tok.text for tok in doc if tok.ent_type_ in ent_list]))
|
||||
|
||||
def removeAllENT(ent_list, parser=PARSER):
|
||||
return lambda doc: parser(" ".join([tok.text for tok in doc if tok.ent_type_ not in ent_list]))
|
||||
|
||||
|
||||
|
||||
# remove stopwords
|
||||
tokens = [tok for tok in tokens if tok not in stoplist]
|
||||
|
||||
# remove custom_words
|
||||
tokens = [tok for tok in tokens if tok not in custom_words]
|
||||
|
||||
# remove single characters
|
||||
tokens = [tok for tok in tokens if len(tok)>1]
|
||||
|
||||
# remove large strings of whitespace
|
||||
#remove_whitespace(" ".join(tokens))
|
||||
doc2Set = lambda doc: str(set([tok.text for tok in doc]))
|
||||
doc2String = lambda doc : doc.text
|
||||
|
||||
|
||||
#idee abkürzungen auflösen (v.a. TU -> Technische Universität): abkürzungsverezeichnis
|
||||
mentionFinder = re.compile(r"@[a-z0-9_]{1,15}", re.IGNORECASE)
|
||||
emailFinder = re.compile(r"\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b", re.IGNORECASE)
|
||||
urlFinder = re.compile(r"^(?:https?:\/\/)?(?:www\.)?[a-zA-Z0-9./]+$", re.IGNORECASE)
|
||||
|
||||
if normalize_synonyms:
|
||||
tokens = [str(getFirstSynonym(tok,THESAURUS_list)) for tok in tokens]
|
||||
def replaceURLs(replace_with="URL",parser=PARSER):
|
||||
#return lambda doc: parser(textacy.preprocess.replace_urls(doc.text,replace_with=replace_with))
|
||||
return lambda doc: parser(urlFinder.sub(replace_with,doc.text))
|
||||
|
||||
return " ".join(set(tokens))
|
||||
def replaceEmails(replace_with="EMAIL",parser=PARSER):
|
||||
#return lambda doc: parser(textacy.preprocess.replace_emails(doc.text,replace_with=replace_with))
|
||||
return lambda doc : parser(emailFinder.sub(replace_with, doc.text))
|
||||
|
||||
def cleanText_removeWhitespace(sentence):
|
||||
whitespaceFinder = re.compile(r'(\r\n|\r|\n|(\s)+)', re.IGNORECASE)
|
||||
sentence = whitespaceFinder.sub(" ", sentence)
|
||||
return sentence
|
||||
def replaceTwitterMentions(replace_with="TWITTER_MENTION",parser=PARSER):
|
||||
return lambda doc : parser(mentionFinder.sub(replace_with, doc.text))
|
||||
|
||||
#todo: preprocess pipe: removewhitespace, removePUNCT, resolveAbk, keepPOS, keepEnt, removeWords, normalizeSynonyms
|
||||
def replaceNumbers(replace_with="NUMBER",parser=PARSER):
|
||||
return lambda doc: parser(textacy.preprocess.replace_numbers(doc.text, replace_with=replace_with))
|
||||
|
||||
def replacePhonenumbers(replace_with="PHONE",parser=PARSER):
|
||||
return lambda doc: parser(textacy.preprocess.replace_phone_numbers(doc.text, replace_with=replace_with))
|
||||
|
||||
|
||||
def getFirstSynonym(word, thesaurus_gen):
|
||||
|
||||
|
||||
|
||||
|
||||
def resolveAbbreviations(parser=PARSER):
|
||||
pass #todo
|
||||
|
||||
|
||||
def removeWords(words, keep=None,parser=PARSER):
|
||||
if hasattr(keep, '__iter__'):
|
||||
for k in keep:
|
||||
try:
|
||||
words.remove(k)
|
||||
except ValueError:
|
||||
pass
|
||||
return lambda doc : parser(" ".join([tok.text for tok in doc if tok.lower_ not in words]))
|
||||
|
||||
|
||||
|
||||
|
||||
def normalizeSynonyms(default_return_first_Syn=False, parser=PARSER):
|
||||
#return lambda doc : parser(" ".join([tok.lower_ for tok in doc]))
|
||||
return lambda doc : parser(" ".join([getFirstSynonym(tok.lower_, THESAURUS, default_return_first_Syn=default_return_first_Syn) for tok in doc]))
|
||||
|
||||
def getFirstSynonym(word, thesaurus, default_return_first_Syn=False):
|
||||
if not isinstance(word, str):
|
||||
return str(word)
|
||||
|
||||
word = word.lower()
|
||||
|
||||
|
||||
# durch den thesaurrus iterieren
|
||||
for syn_block in thesaurus_gen: # syn_block ist eine liste mit Synonymen
|
||||
for syn_block in thesaurus: # syn_block ist eine liste mit Synonymen
|
||||
|
||||
for syn in syn_block:
|
||||
syn = syn.lower()
|
||||
if re.match(r'\A[\w-]+\Z', syn): # falls syn einzelwort ist
|
||||
if word == syn:
|
||||
return getHauptform(syn_block, word)
|
||||
return str(getHauptform(syn_block, word, default_return_first_Syn=default_return_first_Syn))
|
||||
else: # falls es ein satz ist
|
||||
if word in syn:
|
||||
return getHauptform(syn_block, word)
|
||||
return word # zur Not, das ursrpüngliche Wort zurückgeben
|
||||
return str(getHauptform(syn_block, word, default_return_first_Syn=default_return_first_Syn))
|
||||
return str(word) # zur Not, das ursrpüngliche Wort zurückgeben
|
||||
|
||||
def getHauptform(syn_block, word, default_return_first_Syn=False):
|
||||
|
||||
for syn in syn_block:
|
||||
syn = syn.lower()
|
||||
|
||||
if "hauptform" in syn and len(syn.split(" ")) <= 2:
|
||||
# nicht ausgeben, falls es in Klammern steht
|
||||
# nicht ausgeben, falls es in Klammern steht#todo gibts macnmal?? klammern aus
|
||||
for w in syn.split(" "):
|
||||
if not re.match(r'\([^)]+\)', w):
|
||||
return w
|
||||
|
|
@ -394,58 +195,58 @@ def getHauptform(syn_block, word, default_return_first_Syn=False):
|
|||
if not re.match(r'\([^)]+\)', w):
|
||||
return w
|
||||
return word # zur Not, das ursrpüngliche Wort zurückgeben
|
||||
"""
|
||||
|
||||
def printRandomDoc(textacyCorpus):
|
||||
print()
|
||||
|
||||
print("len(textacyCorpus) = %i" % len(textacyCorpus))
|
||||
randIndex = int((len(textacyCorpus) - 1) * random.random())
|
||||
print("Index: {0} ; Text: {1} ; Metadata: {2}".format(randIndex, textacyCorpus[randIndex].text, textacyCorpus[randIndex].metadata))
|
||||
|
||||
print()
|
||||
|
||||
####################'####################'####################'####################'####################'##############
|
||||
# todo config-file
|
||||
|
||||
import de_core_news_md
|
||||
DATAPATH = "ticketSamples.xml"
|
||||
DATAPATH_thesaurus = "openthesaurus.csv"
|
||||
|
||||
|
||||
|
||||
normalize_Synonyms = True
|
||||
clean = True
|
||||
lemmatize = True
|
||||
stop_words=list(__import__("spacy." + PARSER.lang, globals(), locals(), ['object']).STOP_WORDS) + config.get("preprocessing","custom_words").split(",")
|
||||
|
||||
path2xml = config.get("default","path2xml")
|
||||
|
||||
|
||||
|
||||
content_generator = generateMainTextfromTicketXML(path2xml)
|
||||
metadata_generator = generateMetadatafromTicketXML(path2xml)
|
||||
|
||||
|
||||
|
||||
ents = config.get("preprocessing","ents").split(",")
|
||||
|
||||
|
||||
|
||||
clean_in_content=compose(
|
||||
|
||||
doc2String,
|
||||
#normalizeSynonyms(default_return_first_Syn=config.get("preprocessing","default_return_first_Syn")),
|
||||
replaceEmails(),
|
||||
replaceURLs(),
|
||||
replaceTwitterMentions(),
|
||||
removeWords(stop_words),
|
||||
#removeAllPOS(["SPACE","PUNCT"]),
|
||||
#removeAllENT(ents),
|
||||
keepOnlyPOS(['NOUN'])
|
||||
)
|
||||
|
||||
clean_in_meta = {
|
||||
"Loesung":removeAllPOS(["SPACE"]),
|
||||
"Zusammenfassung":removeAllPOS(["SPACE","PUNCT"])
|
||||
}
|
||||
|
||||
|
||||
contentStream = processTextstream(content_generator, func=clean_in_content)
|
||||
metaStream = processDictstream(metadata_generator, funcdict=clean_in_meta)
|
||||
|
||||
|
||||
corpus.add_texts(contentStream,metaStream)
|
||||
print(corpus[0].text)
|
||||
printRandomDoc(corpus)
|
||||
|
||||
|
||||
|
||||
custom_words = ["grüßen", "fragen"]
|
||||
|
||||
####################'####################'####################'####################'####################'##############
|
||||
|
||||
|
||||
## files to textacy-corpus
|
||||
textacyCorpus = textacy.Corpus(PARSER)
|
||||
|
||||
print("add texts to textacy-corpus...")
|
||||
textacyCorpus.add_texts(texts=generateTextfromTicketXML(DATAPATH, normalize_Synonyms=normalize_Synonyms, clean=clean, lemmatize=lemmatize), metadatas=generateMetadatafromTicketXML(DATAPATH))
|
||||
|
||||
|
||||
#for txt, dic in generateFromXML(DATAPATH, normalize_Synonyms=normalize_Synonyms, clean=clean, lemmatize=lemmatize):
|
||||
# textacyCorpus.add_text(txt,dic)
|
||||
|
||||
|
||||
|
||||
for doc in textacyCorpus:
|
||||
print(doc.metadata)
|
||||
print(doc.text)
|
||||
|
||||
#print(textacyCorpus[2].text)
|
||||
#printRandomDoc(textacyCorpus)
|
||||
#print(textacyCorpus[len(textacyCorpus)-1].text)
|
||||
|
||||
|
||||
print()
|
||||
print()
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue