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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 sys, re
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import xml.dom.minidom
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from cl_utils import _error
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# Перевод cообщений модуля
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from cl_lang import lang
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tr = lang()
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tr.setLocalDomain('cl_lib')
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tr.setLanguage(sys.modules[__name__])
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class patch(_error):
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"""Класс для замены, добавления, удаления, строк в файле"""
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# root нода
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rootNode = False
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# Документ
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doc = False
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# Текст шаблона
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text = ""
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def __init__(self, text):
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self.text = text
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# Создаем XML документ
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self.doc = self.textToXML()
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if self.doc:
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self.rootNode = self.doc.documentElement
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def textToXML(self):
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"""Создание из текста XML документа
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Храним xml в своем формате
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"""
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if not self.text.strip():
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self.text = ''
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text = '<?xml version="1.0" encoding="UTF-8"?>\n<patch>%s</patch>'\
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%self.text
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try:
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self.doc = xml.dom.minidom.parseString(text)
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except:
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return False
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return self.doc
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def processingFile(self, textConfigFile):
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"""Обработка конфигурационного файла"""
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if not self.doc:
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self.setError(_("Cannot convert the text template in XML"))
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return False
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retTextConfigFile = textConfigFile
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tags = ["reg", "text"]
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dataList = []
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tagsIndex = 0
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for node in self.rootNode.childNodes:
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if node.nodeType==node.ELEMENT_NODE:
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if not node.tagName == tags[tagsIndex]:
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self.setError(_("Incorrect template text"))
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return False
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if tagsIndex == 1:
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tagsIndex = 0
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else:
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tagsIndex += 1
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# регулярное выражение
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if node.tagName == "reg":
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if node.firstChild:
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reText = node.firstChild.nodeValue
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if reText is None:
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textNode = node.toxml().encode("UTF8")
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self.setError(\
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_("Incorrect template text")+ ": \n" +\
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"%s" %textNode)
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return False
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else:
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self.setError(\
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_("Incorrect text of template '<reg></reg>'"))
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return False
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if not reText.strip():
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self.setError(\
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_("Incorrect text of template '<reg>%s</reg>'")\
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%reText)
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return False
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try:
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regex = re.compile(reText)
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except:
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self.setError(\
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_("Incorrect text of template '<reg>%s</reg>'")\
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%reText)
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return False
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elif node.tagName == "text" and regex:
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if node.firstChild:
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text = node.firstChild.nodeValue
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if text is None:
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textNode = node.toxml().encode("UTF8")
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self.setError(\
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_("Incorrect template text")+ ": \n" +\
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"%s" %textNode)
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return False
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else:
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text = ""
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dataList.append((regex, text))
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regex = False
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for regex, text in dataList:
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# Замены в тексте конфигурационного файла
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retTextConfigFile = regex.sub(text, retTextConfigFile)
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return retTextConfigFile
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