[Qgis-developer] Dataprovider.select() doesnt exist

[Carles Boïls Gisbert]

Hi everyone,

I am using QGIS 1.9 Master in Ubuntu 12.10. I am trying to develop a plugin
and need to extract data from attributes tables of the .shp.

I created a GUI for the user can Open shp from the computer and the code
recognize the shp file and I can get the name of the .shp, name of columns,
etc. but I can not get the values for each row and work with them.

I follow the cookbook but when I type "provider.select(allAttrs)" the
python console in QGIS says:

"AttributeError:QgsVectorDataProvider' object has no attribute 'select'

here is the code I used: (i didn't copy the definition of GUI because  with
that is any prolem)

from PyQt4 import QtGui, QtCore
from PyQt4 import *
from qgis.core import *
from PyQt4.QtCore import *
from PyQt4.QtGui import *

import qgis.utils, sys
# supply path to where is your qgis installed
QgsApplication.setPrefixPath("/usr/", True)
#load providers
QgsApplication.initQgis()

*******

        self.ln_lnk.setText(str(self.filename_lnk))

        lnk_shp = QgsVectorLayer(self.filename_lnk, 'casires', 'ogr')

        if not lnk_shp.isValid():
            print "doesnt work"
            QtGui.QMessageBox.Warning(self, "Warning", "shp not valid",
QtGui.QMessageBox.Ok)

        try:
            provider = lnk_shp.dataProvider()
            feat = QgsFeature()
            allAttrs = provider.attributeIndexes()


            provider.select(allAttrs)
            attr_list =[]


            while provider.nextFeature(feat):

                attrs = feat.attributeMap()
                for(k,attr) in attrs.iteritems():
                    attr_list.append(attr.toString())

        except:
            self.ln_save.setText("Falsch")


I try the same plugin in a oldest version of QGIS 1.7.5 and it works or at
least doesn't show this "Falsch". I am wondering during a  week and have no
idea to sole this. I would really apreciate if someone can solve this
problem because is really important to create this plugin and for tha I
need to take the data from the attribute table, if not I can not continuous
anymore.

Does anyone what is wrong and why my QGIS doesnt recognize the
provider.select(allAttrs)?
I would like to know if somebody knows how to install a oldest version of
QGIS (e.g. 1.7.5)??

thank you so much!!
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