def xmlbuffer(self):
queryimpl = QXmlQuery(QXmlQuery.XQuery10)
#merge params from xquerynames and query path arguments
params = copy.deepcopy(self.xquerynames)
for name,value in self._queryparams.iteritems():
params.append([name,value])
#push values into external variable names in xquery
for item in params:
if len(item)==3 : # item has namespace
(name,value,namespace) = item
qname = QXmlName(queryimpl.namePool(), name, namespace)
else:
(name,value) = item
qname = QXmlName(queryimpl.namePool(), name)
qvalue = QXmlItem(value)
queryimpl.bindVariable(qname,qvalue)
#bind focus if available
if(self.focuspath != None):
queryimpl.setFocus(QUrl.fromLocalFile(self.focuspath))
queryimpl.setQuery(self.querysource)
buf = QBuffer()
buf.open(QBuffer.ReadWrite)
queryimpl.evaluateTo(buf)
buf.close()
data = buf.data()
return data
def getHtml(self, md):
xsltFile = QFile(self.xsltFilePath)
xsltFile.open(QIODevice.ReadOnly)
xslt = unicode(xsltFile.readAll())
xsltFile.close()
qry = QXmlQuery(QXmlQuery.XSLT20)
'''self.handler = ErrorHandler()
qry.setMessageHandler(self.handler)'''
qry.setFocus(md)
qry.setQuery(xslt)
return qry.evaluateToString()
def errorHandler(self, resultXML):
if resultXML:
qDebug(resultXML)
query = QXmlQuery(QXmlQuery.XSLT20)
xslFile = QFile(":/plugins/wps/exception.xsl")
xslFile.open(QIODevice.ReadOnly)
bRead = query.setFocus(resultXML)
query.setQuery(xslFile)
exceptionHtml = query.evaluateToString()
if exceptionHtml is None:
qDebug("Empty result from exception.xsl")
exceptionHtml = resultXML
self._errorResultCallback(exceptionHtml)
xslFile.close()
return False
def compute(self):
""" compute() -> None
Render the XML tree and display it on the spreadsheet
"""
xml = self.get_input('XML').name
xsl = self.get_input('XSL').name
query = QXmlQuery(QXmlQuery.XSLT20)
query.setFocus(QUrl.fromLocalFile(os.path.join(os.getcwd(), xml)))
query.setQuery(QUrl.fromLocalFile(os.path.join(os.getcwd(), xsl)))
html = query.evaluateToString() # gets a unicode object
if html is None:
raise ModuleError(self, "Error applying XSL")
self.displayAndWait(RichTextCellWidget, (html, ))
def save(self, serialized, filepath=None):
if filepath == None:
if self.loadedpath == None:
raise Error("Cannot guess filepath, no onload event was triggered")
else:
filepath = self.loadedpath
f = open(filepath, 'w')
savefilter = QXmlQuery(QXmlQuery.XQuery10)
savefilter.setFocus(serialized)
savefilter.setQuery(QUrl(os.path.realpath(self.savefilterpath)))
result = savefilter.evaluateToString()
result = result.toUtf8()
f.write(result)
f.close()
return filepath
