[Qgis-user] QGIS Plugin to open and parse xml metadata

[Horst Düster]

substitute filename with self.filename than it should work


All the best
Horst Düster


Am 24.03.2014 17:45, schrieb Suryo Miles:
> I make plugin in QGIS to open and read XML file, then parse it and show
> scale map from it, its a big xml file and line with scale information have
> format like this
>
> <gmd:denominator><gco:Integer>ScaleValue</gco:Integer></gmd:denominator>
>
> and i try code like this to open xml file and then parse it:
>
> from PyQt4 import QtCore, QtGuifrom ui_latih import Ui_latih# create
> the dialog for zoom to point
>
> class latihDialog(QtGui.QDialog):
>     def __init__(self):
>         QtGui.QDialog.__init__(self)
>         # Set up the user interface from Designer.
>         self.ui = Ui_latih()
>         self.ui.setupUi(self)
>
>         cariButton = self.ui.btnCari
>         QtCore.QObject.connect(cariButton, QtCore.SIGNAL('clicked()'),self.cari)
>
>     def cari(self, event=None):
>
>         #open dialog
>         filename = QtGui.QFileDialog.getOpenFileName(self, 'Open File', '*.xml')
>
>         self.ui.lineFile.setText(filename)
>
>         #call text
>         self.isiDataFile(filename)
>
>     def isiDataFile(self, nmfile):
>         #open with read mode
>         teksFile = open(nmfile, 'r').read()
>
>         self.ui.textFile.setText(teksFile)
>
>     import xml.etree.ElementTree as ET
>
>     tree = ET.parse(filename)
>     doc = tree.getroot()
>
>     for elem in doc.findall('Default_Config/gmd:denominator'):
>         x = elem.tag, elem.text
>         self.ui.lineSkala.setText(x)
>
>     for elem in doc.findall('Default_Config/gmd:MD_Format'):
>         y = elem.tag, elem.text
>         self.ui.lineFitur.setText(y)
>
> I try using Element Tree to parse and show ScaleValue in LineEdit because
> its integrated in python, but i have error message like this :
>
> NameError: name 'filename' is not defined
>
> i am really newbie in python and xml parser, can i pass the xml location
> from open xml code to
>
> tree = ET.parse( )
>
> because i plan to open more than one xml file and scale in one and another
> xml file have different value as well
>
> Can Someone help me?
>
>
>
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> Qgis-user at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/qgis-user

-- 

--
Dr. Horst Düster
Managing Director
Sourcepole AG - Linux & Open Source Solutions 
Weberstrasse 5, 8004 Zürich, Switzerland
Tel: +41 (0)44 440 77 11
Direkt: +41 (0)44 515 67 70
horst.duester at sourcepole.ch  http://www.sourcepole.ch

www.sourcepole.ch/kurse - Das Kursangebot Frühjahr 2014

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