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Added format xml_gconf_tree

develop
Самоукин Алексей 12 years ago
parent
commit
78d2c819f6
  1. 1
      pym/cl_api.py
  2. 191
      pym/format/xml_gconf_tree.py

1
pym/cl_api.py

@ -29,7 +29,6 @@ from cl_datavars import DataVars
class APIError(Exception):
"""Класс ошибок"""
pass
class libVars:

191
pym/format/xml_gconf_tree.py

@ -0,0 +1,191 @@
#-*- coding: utf-8 -*-
# Copyright 2010 Calculate Ltd. http://www.calculate-linux.org
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import time
import re
from xml import xpath
import xml.dom.minidom
from format.xml_gconf import xml_gconf
# Перевод cообщений модуля
from cl_lang import lang
tr = lang()
tr.setLocalDomain('cl_lib')
tr.setLanguage(sys.modules[__name__])
class xml_gconf_tree(xml_gconf):
"""Класс для объединения gconf_tree-xml файлов"""
def _join(self, xmlNewNode, xmlOldNode, flagRootNode=True):
"""Объединение корневой ноды шаблона и корневой ноды файла"""
xmlNode = xmlNewNode
childNodes = xmlNode.childNodes
nextOldNode = xmlOldNode
flagError = False
if xmlNode.nodeType == xmlNode.ELEMENT_NODE:
n = xmlNode
tagName = n.tagName
tagNameStr = tagName.encode("UTF-8")
nAction = u''
nName = u''
nType = u''
nValue = u''
nSchema = u''
attrName = ''
if flagRootNode:
if not tagName == "gconf":
self.setError(_("The text is not a valid gconf-XML format \
(not found '<gconf>...</gconf>')"))
return False
else:
if not tagName in ("dir", "entry"):
self.setError(_("The text is not a valid gconf-XML format \
(found '<%(tag)s>..</%(tag)s>'")%{'tag':tagNameStr})
return False
if not n.hasAttribute("name"):
self.setError(\
_('Not found arrtibute "name" in %(tag)s')\
%{'tag':tagNameStr})
return False
nName = n.getAttribute("name")
attrName = u"attribute::name='%s'"%nName
if n.hasAttribute("action"):
nAction = n.getAttribute("action")
if not nAction in ("join","replace","drop"):
textError = _('''In the text, XML template, look \
for a reserved attribute 'action' with the incorrect value.\n\
Valid values attribute 'action': \
(action="join", action="replace", action="drop")''')
self.setError(textError)
return False
if xmlOldNode.parentNode:
findAttrStr = ""
if attrName:
findAttrStr = "[%s]"%attrName
findPath = u"child::%s%s"%(tagName,findAttrStr)
# Рабочая нода
if flagRootNode:
workNode = xmlOldNode.parentNode
else:
workNode = xmlOldNode
oldNodes = xpath.Evaluate(findPath, workNode)
# По умолчанию - объединение аттрибутов
flagJoin = True
flagReplace = False
flagDrop = False
if nAction=="replace":
flagReplace = True
flagJoin = False
# Удаляем ноду
if nAction == "drop":
flagDrop = True
flagJoin = False
if flagRootNode:
textError = _('Incorrect action="drop" in root node')
self.setError(textError)
return False
if oldNodes:
if len(oldNodes)>1:
textError = _("The uncertainty in this template are \
the same nodes at one level")
self.setError(textError)
return False
nextOldNode = oldNodes[0]
# Объединение аттрибутов нод
if flagJoin:
listOldAttributes = nextOldNode.attributes.items()
if listOldAttributes:
listOldAttributes = filter(lambda x:\
x[0] != "mtime", listOldAttributes)
# Замена содержимого
if xmlNode.tagName == "entry":
replaceXmlNode = xmlNode.cloneNode(True)
# Сравнение содержимого нод
if not self.cmpListsNodesEntry([replaceXmlNode],
[nextOldNode]):
replaceXmlNode.setAttribute("mtime",
self.currentTime)
if not\
self._removeDropNodesAndAttrAction(\
replaceXmlNode):
return False
workNode.replaceChild(replaceXmlNode,
nextOldNode)
childNodes = False
listNewAttributes = xmlNode.attributes.items()
if listNewAttributes:
listNewAttributes = filter(lambda x:\
not x[0] in ("action", "mtime"),
listNewAttributes)
if set(listNewAttributes)!= set(listOldAttributes):
# Объединение аттрибутов
for attrName, attrValue in listNewAttributes:
nextOldNode.setAttribute(attrName, attrValue)
if nextOldNode.tagName == "entry":
nextOldNode.setAttribute("mtime",
self.currentTime)
# Замещение ноды
elif flagReplace:
replaceXmlNode = xmlNode.cloneNode(True)
# Сравнение содержимого нод
if not self.cmpListsNodesEntry([replaceXmlNode],
[nextOldNode]):
if replaceXmlNode.tagName == "entry":
replaceXmlNode.setAttribute("mtime",
self.currentTime)
if not\
self._removeDropNodesAndAttrAction(\
replaceXmlNode):
return False
workNode.replaceChild(replaceXmlNode,
nextOldNode)
childNodes = False
# Удаление ноды
elif flagDrop:
workNode.removeChild(nextOldNode)
childNodes = False
else:
# Добавление ноды
childNodes = False
if not flagDrop:
appendXmlNode = xmlNode.cloneNode(True)
if appendXmlNode.tagName == "entry":
appendXmlNode.setAttribute("mtime",
self.currentTime)
if not\
self._removeDropNodesAndAttrAction(appendXmlNode):
return False
workNode.appendChild(appendXmlNode)
if childNodes:
for node in childNodes:
if not self._join(node, nextOldNode, False):
flagError = True
break
if flagError:
return False
return True
def join(self, xml_gconfObj):
"""Объединяем конфигурации"""
# Получаем текущее время
self.currentTime = self.getCurrentTime()
if isinstance(xml_gconfObj, xml_gconf_tree):
try:
self.joinDoc(xml_gconfObj.doc)
except:
self.setError(_("Can not join template"))
return False
return True
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