güncelleme, bunları kullanmak için autoxml de ufak bi peç lazım, onu ayrıca koyucam
test etmeden aktive etmiyorum minidom implementasyonu da çalışmıyor bu arada
This commit is contained in:
Gürer Özen
+39
-54
@@ -9,17 +9,17 @@
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#
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# Please read the COPYING file.
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#
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# Authors: Eray Ozkural <eray@pardus.org.tr>
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# Baris Metin <baris@pardus.org.tr
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# Gurer Ozen <gurer@pardus.org.tr>
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"""
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some helper functions for high-level access to XML structures
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this implementation uses piksemel, a fast C-based XML library
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xmlext is a helper module for accessing XML files using
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xml.dom.minidom . It is a convenient wrapper for some
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DOM functions, and provides path based get/add functions
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as in KDE API.
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function names are mixedCase for compatibility with minidom,
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an old library
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an 'old library'
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this implementation uses piksemel
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"""
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import gettext
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@@ -27,11 +27,23 @@ __trans = gettext.translation('pisi', fallback=True)
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_ = __trans.ugettext
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import pisi
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from piksemel import *
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import piksemel as iks
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class XmlError(pisi.Error):
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"named this way because the class if mostly used with an import *"
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pass
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def getAllNodes(node, tagPath):
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"""retrieve all nodes that match a given tag path."""
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tags = tagPath.split('/')
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if len(tags) == 0:
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return []
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nodeList = [node] # basis case
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for tag in tags:
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results = map(lambda x: getTagByName(x, tag), nodeList)
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nodeList = []
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for x in results:
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nodeList.extend(x)
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pass # emacs indentation error, keep it here
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if len(nodeList) == 0:
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return []
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return nodeList
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def getNodeAttribute(node, attrname):
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"""get named attribute from DOM node"""
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@@ -39,23 +51,22 @@ def getNodeAttribute(node, attrname):
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def getChildElts(node):
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"""get only child elements"""
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return [x for x in parent.childNodes if x.type() == TAG ]
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return [x for x in parent.tags()]
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def getTagByName(parent, childName):
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return [x for x in parent if x.type() == TAG and x.name() == childName]
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return [x for x in parent.tags(childName)]
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def getNodeText(node, tagpath = ""):
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"""get the first child and expect it to be text!"""
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if tagpath!="":
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node = getNode(node, tagpath)
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try:
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if not node:
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return None
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child = node.firstChild()
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except IndexError:
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if not child:
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return None
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except AttributeError: # no node by that name
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return None
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if child.type() == CDATA: #FIXME: ??? TEXT type?
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# in any case, strip whitespaces... :/ you don't like it?
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if child.type() == iks.DATA:
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# in any case, strip whitespaces...
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return child.data().strip()
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else:
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raise XmlError(_("getNodeText: Expected text node, got something else!"))
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@@ -87,28 +98,15 @@ def getNode(node, tagpath):
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node = currentNode
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return currentNode
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def getAllNodes(node, tagPath):
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"""retrieve all nodes that match a given tag path."""
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#FIXME: better tag split
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tags = tagPath.split('/')
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if len(tags) == 0:
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return []
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nodeList = [node] # basis case
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def addText(node, tagpath, text):
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if tagpath != "":
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tags = tagpath.split("/")
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for tag in tags:
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results = map(lambda x: getTagByName(x, tag), nodeList)
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nodeList = []
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for x in results:
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nodeList.extend(x)
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pass # emacs indentation error, keep it here
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if len(nodeList) == 0:
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return []
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return nodeList
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if node.getTag(tag):
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node = node.getTag(tag)
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else:
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node = node.appendTag(tag)
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node.appendData(text)
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def createTagPath(node, tags):
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"""create new child at the end of a tag chain starting from node
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@@ -123,7 +121,7 @@ def addTagPath(node, tags, newnode=None):
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"""add newnode at the end of a tag chain, smart one"""
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node = createTagPath(node, tags)
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if newnode: # node to add specified
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node.appendTag(newnode)
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node.appendChild(newnode)
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return node
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def addNode(node, tagpath, newnode = None, branch=True):
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@@ -160,16 +158,3 @@ def addNode(node, tagpath, newnode = None, branch=True):
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return addTagPath(node, tags, newnode)
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return node
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def addText(node, tagPath, text, branch = True):
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node = addNode(node, tagPath, branch = branch)
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return node.appendData(text)
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# cannot be implemented with piksemel
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#def newNode(node, tag):
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# return Node(tag)
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# cannot be implemented with piksemel :(
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#def newTextNode(node, text):
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# return Node(text)
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+24
-94
@@ -9,26 +9,32 @@
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#
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# Please read the COPYING file.
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#
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# Authors: Eray Ozkural <eray@pardus.org.tr>
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# Gurer Ozen <gurer@pardus.org.tr>
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# Baris Metin <baris@pardus.org.tr
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"""
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XmlFile class further abstracts a dom object using the
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high-level dom functions provided in xmlext module
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high-level dom functions provided in xmlext module (and sorely lacking
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in xml.dom :( )
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this implementation uses piksemel, a fast C-based XML library
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function names are mixedCase for compatibility with minidom,
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an 'old library'
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this implementation uses piksemel
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"""
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import gettext
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__trans = gettext.translation('pisi', fallback=True)
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_ = __trans.ugettext
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import codecs
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import exceptions
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import piksemel as iks
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import pisi
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from piksemel import *
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from pisi.file import File
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from pisi.util import join_path as join
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class Error(pisi.Error):
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"named this way because the class if mostly used with an import *"
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pass
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class XmlFile(object):
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@@ -39,102 +45,26 @@ class XmlFile(object):
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def newDocument(self):
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"""clear DOM"""
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self.doc = newDocument(self.rootTag)
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self.doc = iks.newDocument(self.rootTag)
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def unlink(self):
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"""deallocate DOM structure"""
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pass # piksemel is garbage collected!
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pass # piksemel isnt as lame as minidom
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def rootNode(self):
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"""returns root document element"""
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return self.doc
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def readxml(self, fileName):
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def readxml(self, uri, tmpDir='/tmp', sha1sum=False, compress=None, sign=None):
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uri = File.make_uri(uri)
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localpath = File.download(uri, tmpDir,sha1sum=sha1sum,compress=compress,sign=sign)
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try:
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self.doc = parse(fileName)
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except ParseError, inst:
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raise XmlError(_("File '%s' has invalid XML: %s\n") % (fileName,
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str(inst)))
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self.doc = iks.parse(localpath)
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return self.doc
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except Exception, e:
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raise Error(_("File '%s' has invalid XML") % (localpath) )
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def writexml(self, fileName):
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f = codecs.open(fileName,'w', "utf-8")
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def writexml(self, uri, tmpDir = '/tmp', sha1sum=False, compress=None, sign=None):
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f = File(uri, File.write, sha1sum=sha1sum, compress=compress, sign=sign)
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f.write(self.doc.toPrettyString())
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f.close()
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def verifyRootTag(self):
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actual_roottag = self.rootNode().tagName
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if actual_roottag != self.rootTag:
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raise Error(_("Root tagname %s not identical to %s as expected") %
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(actual_roottag, self.rootTag) )
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# construction helpers
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#def newNode(self, tag):
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# return self.dom.createElement(tag)
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#def newTextNode(self, text):
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# return self.dom.createTextNode(text)
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#def newAttribute(self, attr):
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# return self.dom.createAttribute(attr)
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# read helpers
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def getNode(self, tagPath = ""):
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"""returns the *first* matching node for given tag path."""
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self.verifyRootTag()
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return getNode(self.doc, tagPath)
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def getNodeText(self, tagPath):
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"""returns the text of *first* matching node for given tag path."""
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node = self.getNode(tagPath)
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if not node:
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return None
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return getNodeText(node)
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def getAllNodes(self, tagPath):
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"""returns all nodes matching a given tag path."""
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self.verifyRootTag()
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return getAllNodes(self.doc, tagPath)
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def getChildren(self, tagpath):
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""" returns the children of the given path"""
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node = self.getNode(tagpath)
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return [x for x in parent.childNodes]
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# get only child elements
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def getChildElts(self, tagpath):
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""" returns the children of the given path, only with given type """
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return getChildElts(self.getNode(tagpath))
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# write helpers
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def addNode(self, tagPath, newnode = None):
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"this adds the newnode under given tag path"
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self.verifyRootTag()
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return addNode(self.doc, tagPath, newnode)
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def addNodeUnder(self, node, tagPath, newnode = None):
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"this adds the new stuff under node and then following tag path"
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self.verifyRootTag()
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return addNode(node, tagPath, newnode)
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def addChild(self, newnode):
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"add a new child node right under root element document"
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self.dom.documentElement.appendChild(newnode)
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def addText(self, node, text):
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"add text to node"
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raise Error('NOT IMPLEMENTED')
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#node.appendChild(self.newTextNode(text))
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def addTextNode(self, tagPath, text):
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"add a text node with given tag path"
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raise Error('NOT IMPLEMENTED')
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#node = self.addNode(tagPath, self.newTextNode(text))
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#return node
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def addTextNodeUnder(self, node, tagPath, text):
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"add a text node under given node with tag path (phew)"
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raise Error('NOT IMPLEMENTED')
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#return self.addNodeUnder(node, tagPath, self.newTextNode(text))
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