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#-*- coding: utf-8 -*-
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# Copyright 2008-2010 Calculate Ltd. http://www.calculate-linux.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import re
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from xml import xpath
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from cl_template import blocText, xmlDoc
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from format.bind import bind
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class apache(bind):
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"""Класс для обработки конфигурационного файла типа apache
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"""
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_comment = "#"
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configName = "apache"
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configVersion = "0.1"
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__headerArea = "[^\<\> \t]+[ \t]+[^\<\> \t]+"
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__openArea = "[ \t]*\<%s\>"%(__headerArea)
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__closeArea = "[ \t]*\<\/[^\<\>]+\>"
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sepFields = "\n"
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reOpen = re.compile(__openArea)
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reClose = re.compile(__closeArea)
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reCloseArea = re.compile(__closeArea + "\s*\Z")
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reComment = re.compile("[ \t]*%s"%(_comment))
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reSepFields = re.compile(sepFields)
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reSeparator = re.compile("[ \t]+")
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reHeader = re.compile(__headerArea)
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def __init__(self,text):
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self.text = text
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self.blocTextObj = blocText()
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# Объект документ
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self.docObj = self.textToXML()
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# Создаем поля-массивы
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self.docObj.postParserList()
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# Создаем поля разделенные массивы
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self.docObj.postParserListSeplist(self.docObj.body)
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# XML документ
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self.doc = self.docObj.doc
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def postXML(self):
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"""Последующая постобработка XML"""
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# Для добавления перевода строки перед закрывающим тегом
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# конфигурационного файла
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xmlFields = xpath.Evaluate("child::fields", self.docObj.body)
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if not (xmlFields and\
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self.docObj.getTypeField(xmlFields[-1]) == "br"):
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self.docObj.body.appendChild(self.docObj.createField("br",
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[],"",[],
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False,False))
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xmlAreas = xpath.Evaluate("child::area", self.docObj.body)
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for xmlArea in xmlAreas:
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xmlFields = xpath.Evaluate("child::field", xmlArea)
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if not (xmlFields and\
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self.docObj.getTypeField(xmlFields[-1]) == "br"):
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xmlArea.appendChild(self.docObj.createField("br",
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[],"",[],
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False,False))
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def join(self, apacheObj):
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"""Объединяем конфигурации"""
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if isinstance(apacheObj, apache):
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self.docObj.joinDoc(apacheObj.doc)
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self.postXML()
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# Делим область на составные части
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def findOpenClose(self, text, reOpen, reClose, reComment, reHeader):
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"""Делит область на составные части
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начальный текстовый блок,
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открывающий блок,
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блок-тело,
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закрывающий блок
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"""
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firstBloc = ""
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startBloc = ""
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bodyBloc = ""
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endBloc = ""
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textLines = text.splitlines()
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findOpen = False
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if textLines:
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findOpen = reOpen.search(textLines[0])
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openBl = reOpen.search(text)
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if findOpen and reComment.split(text)[0].strip():
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blocA = text[openBl.end():]
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firstBloc = ""
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startBloc = text[openBl.start():openBl.end()]
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headBl = reHeader.search(startBloc)
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if headBl:
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firstBloc = headBl.group(0)
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closeBl = reClose.search(blocA)
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endBloc = blocA[closeBl.start():closeBl.end()]
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bodyBloc = blocA[:closeBl.start()]
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return (firstBloc, startBloc, bodyBloc, endBloc)
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else:
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return (firstBloc, startBloc, text, endBloc)
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# Делим текст на области включая вложенные (areas массив областей)
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def splitToAllArea(self, text, areas, reOpen, reClose, reCloseArea,
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reComment, reSepFields, reHeader):
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"""Делит текст на области включая вложенные
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возвращает список объектов областей (переменная areas)
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"""
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class area:
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def __init__(self):
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self.header = False
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self.start = False
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self.fields = []
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self.end = False
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blocs = self.blocTextObj.splitTxtToBloc(text,reOpen,reClose,
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reComment,reSepFields)
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for i in blocs:
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areaA = area()
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first,start,body,end = self.findOpenClose(i, reOpen, reCloseArea,
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reComment, reHeader)
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areaA.header = first.replace(" ","").replace("\t","")
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areaA.start = start
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areaA.end = end
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if areaA.end:
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blocsA = self.blocTextObj.splitTxtToBloc(body,reOpen,reClose,
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reComment,reSepFields)
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if blocsA and blocsA[0] == body:
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areaA.fields.append(body)
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areas.append(areaA)
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else:
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for ar in blocsA:
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self.splitToAllArea(ar, areaA.fields, reOpen,
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reClose,
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reCloseArea, reComment,
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reSepFields, reHeader)
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areas.append(areaA)
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else:
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areaA.fields.append(body)
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areas.append(areaA)
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def setDataField(self, txtLines, endtxtLines):
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"""Создаем список объектов с переменными"""
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class fieldData:
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def __init__(self):
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self.name = False
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self.value = False
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self.comment = False
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self.br = False
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fields = []
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field = fieldData()
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z = 0
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for k in txtLines:
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textLine = k + endtxtLines[z]
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z += 1
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findComment = self.reComment.search(textLine)
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if not textLine.strip():
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field.br = textLine
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fields.append(field)
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field = fieldData()
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elif findComment:
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field.comment = textLine
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fields.append(field)
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field = fieldData()
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else:
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pars = textLine.strip()
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nameValue = self.reSeparator.split(pars)
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if len (nameValue) == 1:
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field.name = ""
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field.value = textLine.replace(self.sepFields,"")
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field.br = textLine
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fields.append(field)
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field = fieldData()
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if len(nameValue) == 3:
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valueList = nameValue[2:]
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nameValue =["".join(nameValue[:2])," ".join(valueList)]
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if len(nameValue) > 3:
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valueList = nameValue[1:]
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nameValue =[nameValue[0]," ".join(valueList).replace(\
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self.sepFields,"")]
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if len(nameValue) == 2:
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name = nameValue[0]
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value = nameValue[1].replace(self.sepFields,"")
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field.name = name.replace(" ","").replace("\t","")
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field.value = value
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field.br = textLine
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fields.append(field)
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field = fieldData()
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return fields
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def textToXML(self):
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"""Преобразуем тект в XML"""
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areas = []
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self.splitToAllArea(self.text, areas, self.reOpen, self.reClose,
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self.reCloseArea,self.reComment,self.reSepFields,
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self.reHeader)
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docObj = xmlDoc()
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# Создание объекта документ c пустым разделителем между полями
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docObj.createDoc(self.configName, self.configVersion)
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if not areas:
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return docObj
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self.createXML(areas, docObj.getNodeBody(), docObj)
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return docObj
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