[Qgis-user] Need help with write and save as in QGIS plugin

[Suryo Miles]

I m trying to make QGIS plugin that compare 2 map scale with Input1 and
Input2 and Information about scale when clicked the button, and then i want
to write and save it in pdf format file

i make my code like this

  class conditionDialog(QtGui.QDialog):
    def __init__(self):
        QtGui.QDialog.__init__(self)
        # Set up the user interface from Designer.
        self.ui = Ui_condition()
        self.ui.setupUi(self)

        Recomend = self.ui.btnProc
        QtCore.QObject.connect(Recomend,
QtCore.SIGNAL('clicked()'),self.Compare1)
        RecSec = self.ui.btnProc2
        QtCore.QObject.connect(RecSec,
QtCore.SIGNAL('clicked()'),self.Compare2)
        Smpan = self.ui.btnSave
        QtCore.QObject.connect(Smpan,
QtCore.SIGNAL('clicked()'),self.saveAs)

    def Compare1(self):
        input1 = self.ui.lineInput1.text()
        input2 = self.ui.lineInput2.text()
        compare = ''
        if input1 == input2:
            compare = 'Matching'
        else:
            compare = 'Not Matching'
        self.ui.textRec1.setPlainText(compare)

    def Compare2(self):
        dat1 = self.ui.lineCond1.text()
        dat2 = self.ui.lineCond2.text()
        hitung = ''
        if dat1 == dat2:
            hitung = 'Scale is Matching'
        elif dat1 >= dat2:
            hitung = 'Still can be used'
        else:
            hitung = 'Cannot be used'
        self.ui.textRec2.setPlainText(hitung)

    def _save(self, simpan):
        f = open( simpan, 'w' )
        f.write( 'Input 1 :' + "%s" % self.ui.lineInput1.text() )
        f.write( 'Input 2 :' + "%s" % self.ui.lineInput2.text() )
        f.write( 'Recomendation :' + (str(compare)+'\n' )
        f.write( 'Data 1 :' + "%s" % self.ui.lineCond1.text() )
        f.write( 'Data 2 :' + "%s" % self.ui.lineCond2.text() )
        f.close()
    def savefile(self):
        if self.simpan:
              self._save( "%s" % self.simpan )
        else:
              self.saveAs()

    def saveAs(self):
            tulis = QtGui.QFileDialog(self).getSaveFileName()
            if tulis !="":
                _filename = "%s" % tulis
                self._save( _filename )

But my save file looks messed up, it going straight not descend
this the example:
"Input 1 :Input NumberInput 2:Input NumberRekomendasi
:<PyQt4.QtGui.QTextEdit object at 0x0B2264F8>Condition 1Condition 2
it got error on recomendation and i cannot save it in any text format ( it
going like a unknown format file)
can someone help me?
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