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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 cl_template import objShare, blocText, xmlDoc
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class bind(objShare):
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"""Класс для обработки конфигурационного файла типа bind
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"""
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_comment = "//"
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configName = "bind"
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configVersion = "0.1"
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__openArea = "{"
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__closeArea = "[ \t]*\}[ \t]*;[ \t]*"
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sepFields = ";"
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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|^%s|(?<=;)%s"%(_comment,_comment,_comment))
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reSepFields = re.compile(sepFields)
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reSeparator = re.compile("[ \t]+")
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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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# XML документ
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self.doc = self.docObj.doc
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# Делим область на составные части
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def findOpenClose(self, text, reOpen, reClose, reComment):
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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 = text[:openBl.start()]
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startBloc = text[openBl.start():openBl.end()]
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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):
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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)
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areaA.header = first.replace(" ","").replace("\t","")
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areaA.start = first + 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)
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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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return areas
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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) > 2:
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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 createCaptionTerm(self, header, start, end, docObj):
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"""Создание пустой области с заголовком
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при создании области проверяется первый символ заголовка
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и добавляется тег action
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"!" - <action>drop</action>
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"-" - <action>replace</action>
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"""
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areaAction = False
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if header:
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if header[0] == "!":
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docObj.createCaption(header[1:], [start,
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end.replace("\n","")])
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areaAction = "drop"
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elif header[0] == "-":
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docObj.createCaption(header[1:], [start,
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end.replace("\n","")])
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areaAction = "replace"
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else:
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docObj.createCaption(header, [start,
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end.replace("\n","")])
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else:
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docObj.createCaption(header, [start,
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end.replace("\n","")])
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areaXML = docObj.createArea()
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if areaAction:
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docObj.setActionArea(areaXML, areaAction)
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return areaXML
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def createXML(self, areas, rootNode, docObj):
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"""Создаем из массивов областей XML"""
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for i in areas:
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if str(i.__class__.__name__) == "area":
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if i.header and i.start:
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areaXML = self.createCaptionTerm(i.header, i.start,
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i.end.replace("\n",""),
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docObj)
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else:
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areaXML = rootNode
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for f in i.fields:
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if str(f.__class__.__name__) == "area":
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if f.header and f.start:
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areaXMLChild = self.createCaptionTerm(f.header,
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f.start,
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f.end.replace("\n",""),
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docObj)
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self.createXML(f.fields, areaXMLChild, docObj)
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areaXML.appendChild(areaXMLChild)
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else:
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self.createXML(f.fields, areaXML, docObj)
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if "\n" in f.end:
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fieldXMLBr = docObj.createField("br",[],
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"",[],
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False, False)
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areaXML.appendChild(fieldXMLBr)
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else:
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if not f:
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continue
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fields = self.splitToFields(f)
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for field in fields:
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if field.name != False:
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fieldXML = self.createFieldTerm(field.name,
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field.value,
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field.br, docObj)
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areaXML.appendChild(fieldXML)
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if field.br[-1] == "\n":
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fieldXMLBr = docObj.createField("br",[],
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"",[],
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False, False)
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areaXML.appendChild(fieldXMLBr)
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elif field.comment != False:
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fieldXML = docObj.createField("comment",
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[field.comment],
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"", [],
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False, False)
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areaXML.appendChild(fieldXML)
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elif field.br != False:
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brText = field.br.replace("\n","")
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if brText:
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fieldXML = docObj.createField('br',
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[brText],
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"", [],
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False, False)
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else:
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fieldXML = docObj.createField('br',
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[],
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"", [],
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False, False)
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areaXML.appendChild(fieldXML)
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if i.header and i.start:
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rootNode.appendChild(areaXML)
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if "\n" in i.end:
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fieldXMLBr = docObj.createField("br",[],
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"",[],
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False, False)
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rootNode.appendChild(fieldXMLBr)
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else:
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fields = self.splitToFields(i)
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for field in fields:
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if field.name != False:
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fieldXML = self.createFieldTerm(field.name,
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field.value,
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field.br, docObj)
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rootNode.appendChild(fieldXML)
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if field.br[-1] == "\n":
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fieldXMLBr = docObj.createField("br",[],"", [],
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False, False)
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rootNode.appendChild(fieldXMLBr)
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elif field.comment != False:
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fieldXML = docObj.createField("comment",
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[field.comment],
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"", [],
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False, False)
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rootNode.appendChild(fieldXML)
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elif field.br != False:
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brText = field.br.replace("\n","")
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if brText:
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fieldXML = docObj.createField('br', [brText],"",[],
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False, False)
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else:
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fieldXML = docObj.createField('br', [], "", [],
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False, False)
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rootNode.appendChild(fieldXML)
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#rootNode.appendChild(areaXML)
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def textToXML(self):
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"""Преобразуем текст в XML"""
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areas = []
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if self.text.strip():
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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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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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def join(self, bindObj):
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"""Объединяем конфигурации"""
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if isinstance(bindObj, bind):
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self.docObj.joinDoc(bindObj.doc)
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