preprocessing erstmal soweit fertig.

das mit der config wird noch verfeinert

config.ini

@@ -0,0 +1,26 @@
+[default]
+
+thesauruspath = openthesaurus.csv
+path2xml = ticketSamples.xml
+
+language = de
+
+[preprocessing]
+
+ents = WORK_OF_ART,ORG,PRODUCT,LOC
+
+custom_words = grüßen,fragen
+
+#lemmatize = True
+
+default_return_first_Syn = False
+
+
+
+
+
+
+
+
+
+

old/preprocessing.py

@@ -0,0 +1,466 @@
+# -*- coding: utf-8 -*-
+import csv
+import random
+import sys
+
+import spacy
+import textacy
+
+"""
+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
+"""
+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
+
+
+"""
+"""
+def cleanText(string,custom_stopwords=None, custom_symbols=None, custom_words=None, customPreprocessing=None, 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 = []
+
+    if custom_symbols is not None:
+        custom_symbols = custom_symbols
+    else:
+        custom_symbols = []
+
+
+    # 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
+    # List of symbols we don't care about either
+    symbols = ["-----","---","...","“","”",".","-","<",">",",","?","!","..","n’t","n't","|","||",";",":","…","’s","'s",".","(",")","[","]","#"] + custom_symbols
+
+
+
+    # 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("&amp;", "and").replace("&gt;", ">").replace("&lt;", "<")
+
+
+
+
+    # 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
+
+    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
+"""
+
+
+LANGUAGE = 'de'
+#PARSER = de_core_news_md.load()
+PARSER = spacy.load(LANGUAGE)
+
+from old.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 cleanText_symbols(string, parser=PARSER, custom_symbols=None, keep=None):
+
+    if custom_symbols is not None:
+        custom_symbols = custom_symbols
+    else:
+        custom_symbols = []
+
+    if keep is not None:
+        keep = keep
+    else:
+        keep = []
+
+    # 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("&amp;", "and").replace("&gt;", ">").replace("&lt;", "<")
+
+
+
+    # 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
+
+    # 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 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))
+
+
+    #idee abkürzungen auflösen (v.a. TU -> Technische Universität): abkürzungsverezeichnis
+
+    if normalize_synonyms:
+        tokens = [str(getFirstSynonym(tok,THESAURUS_list)) for tok in tokens]
+
+    return " ".join(set(tokens))
+
+def cleanText_removeWhitespace(sentence):
+    whitespaceFinder = re.compile(r'(\r\n|\r|\n|(\s)+)', re.IGNORECASE)
+    sentence = whitespaceFinder.sub(" ", sentence)
+    return sentence
+
+#todo: preprocess pipe: removewhitespace, removePUNCT, resolveAbk, keepPOS, keepEnt,  removeWords, normalizeSynonyms
+
+
+def getFirstSynonym(word, thesaurus_gen):
+
+    word = word.lower()
+
+
+    # durch den thesaurrus iterieren
+    for syn_block in thesaurus_gen:  # 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)
+            else:  # falls es ein satz ist
+                if word in syn:
+                    return getHauptform(syn_block, word)
+    return 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
+            for w in syn.split(" "):
+                if not re.match(r'\([^)]+\)', w):
+                    return w
+
+    if default_return_first_Syn:
+        # falls keine hauptform enthalten ist, das erste Synonym zurückgeben, was kein satz ist und nicht in klammern steht
+        for w in syn_block:
+            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
+
+DATAPATH = "ticketSamples.xml"
+DATAPATH_thesaurus = "openthesaurus.csv"
+
+
+
+normalize_Synonyms = True
+clean = True
+lemmatize = True
+
+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()
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

old/test.py

@@ -118,7 +118,7 @@ def keepinDoc(doc, toKeep=None):
     return " ".join([tok.text for tok in doc if tok.pos_ in toKeep or tok.ent_type_ in toKeep or tok.tag_ in toKeep])
 
 
-#todo  https://mathieularose.com/function-composition-in-python/
+#  https://mathieularose.com/function-composition-in-python/
 parser = spacy.load('de')
 cleaner = TextCleaner(parser)
 corpus_raw = textacy.Corpus(parser)

old/textCleaning.py

@@ -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

openthesaurus.csv

@@ -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

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 io
-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
-"""
 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
+# Load the configuration file
-        for syn_block in thesaurus_gen:  # syn_block ist eine liste mit Synonymen
+import configparser as ConfigParser
-
+config = ConfigParser.ConfigParser()
-            # durch den synonymblock iterieren
+with open("config.ini") as f:
-            for syn in syn_block:
+    config.read_file(f)
-                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
 
 
-"""
+PARSER = spacy.load(config.get("default","language"))
-"""
+corpus = textacy.Corpus(PARSER)
-def cleanText(string,custom_stopwords=None, custom_symbols=None, custom_words=None, customPreprocessing=None, lemmatize=False, normalize_synonyms=False):
 
-    # use preprocessing
+thesauruspath = config.get("default","thesauruspath")
-    if customPreprocessing is not None:
+THESAURUS = list(textacy.fileio.read_csv(thesauruspath, delimiter=";"))
-        string = customPreprocessing(string)
 
 
 
-    if custom_stopwords is not None:
+def compose(*functions):
-        custom_stopwords = custom_stopwords
+    def compose2(f, g):
-    else:
+        return lambda x: f(g(x))
-        custom_stopwords = []
+    return functools.reduce(compose2, functions, lambda x: x)
-
-    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 = []
 
 
-    # custom stoplist
+################ generate Content and Metadata ########################
-    # 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
+def generateMainTextfromTicketXML(path2xml, main_textfield='Beschreibung'):
-    # List of symbols we don't care about either
+    """
-    symbols = ["-----","---","...","“","”",".","-","<",">",",","?","!","..","n’t","n't","|","||",";",":","…","’s","'s",".","(",")","[","]","#"] + custom_symbols
+    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
 
-
+def generateMetadatafromTicketXML(path2xml, leave_out=['Beschreibung']):
-    # 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("&amp;", "and").replace("&gt;", ">").replace("&lt;", "<")
-
-
-
-
-    # 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
-
     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 field.tag not in leave_out:
-                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
-"""
 
-
-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()
 
-"""
+################ Preprocess#########################
-def cleanText_symbols(string, parser=PARSER, custom_symbols=None, keep=None):
 
-    if custom_symbols is not None:
+def processDictstream(dictstream, funcdict, parser=PARSER):
-        custom_symbols = custom_symbols
+    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:
+def processTextstream(textstream, func, parser=PARSER):
-        keep = keep
+   # input str-stream output str-stream
-    else:
+    pipe = parser.pipe(textstream)
-        keep = []
 
-    # List of symbols we don't care about
+    for doc in pipe:
-    symbols = ["-----","---","...","“","”",".","-","<",">",",","?","!","..","n’t","n't","|","||",";",":","…","’s","'s",".","(",")","[","]","#"] + custom_symbols
+        yield func(doc)
-
-    # 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("&amp;", "and").replace("&gt;", ">").replace("&lt;", "<")
 
 
 
-    # parse with spaCy
-    spacy_doc = parser(string)
-    tokens = []
 
-    added_entities = ["WORK_OF_ART","ORG","PRODUCT", "LOC"]#,"PERSON"]
+def keepOnlyPOS(pos_list, parser=PARSER):
-    added_POS = ["NOUN"]#, "NUM" ]#,"VERB","ADJ"] #fürs TopicModeling nur Nomen  http://aclweb.org/anthology/U15-1013
+    return lambda doc : parser(" ".join([tok.text for tok in doc if tok.pos_ in pos_list]))
 
-    # append Tokens to a list
+def removeAllPOS(pos_list, parser=PARSER):
-    for tok in spacy_doc:
+    return lambda doc:  parser(" ".join([tok.text for tok in doc if tok.pos_ not in pos_list]))
-            if tok.pos_ in added_POS:
-                if lemmatize:
-                    tokens.append(tok.lemma_.lower().strip())
-                else:
-                    tokens.append(tok.text.lower().strip())
 
-            # add entities
+def keepOnlyENT(ent_list,parser=PARSER):
-            if tok.ent_type_ in added_entities:
+    return lambda doc:  parser(" ".join([tok.text for tok in doc if tok.ent_type_ in ent_list]))
-                tokens.append(tok.text.lower())
+
+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
+doc2Set = lambda doc: str(set([tok.text for tok in doc]))
-    tokens = [tok for tok in tokens if tok not in custom_words]
+doc2String = lambda doc : doc.text
-
-    # remove single characters
-    tokens = [tok for tok in tokens if len(tok)>1]
-
-    # remove large strings of whitespace
-    #remove_whitespace(" ".join(tokens))
 
 
-    #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:
+def replaceURLs(replace_with="URL",parser=PARSER):
-        tokens = [str(getFirstSynonym(tok,THESAURUS_list)) for tok in tokens]
+    #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):
+def replaceTwitterMentions(replace_with="TWITTER_MENTION",parser=PARSER):
-    whitespaceFinder = re.compile(r'(\r\n|\r|\n|(\s)+)', re.IGNORECASE)
+    return lambda doc : parser(mentionFinder.sub(replace_with, doc.text))
-    sentence = whitespaceFinder.sub(" ", sentence)
-    return sentence
 
-#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 str(getHauptform(syn_block, word, default_return_first_Syn=default_return_first_Syn))
-    return word  # zur Not, das ursrpüngliche Wort zurückgeben
+    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
+stop_words=list(__import__("spacy." + PARSER.lang, globals(), locals(), ['object']).STOP_WORDS) + config.get("preprocessing","custom_words").split(",")
-clean = True
+
-lemmatize = True
+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()