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Attempt to derive QtCore.QAbstractTableModel in PyQt
# -*- coding: utf-8 -*-
"""
Created on Wed Jul 17 10:50:56 2013
@author: cmarshall
"""
import sip
sip.setapi('QString', 1)
sip.setapi('QVariant', 1)
import pandas as pd
from PyQt4 import QtCore, QtGui
class TableModel(QtCore.QAbstractTableModel):
def __init__(self, parent=None, *args):
super(TableModel, self).__init__()
self.datatable = None
def update(self, dataIn):
print 'Updating Model'
self.datatable = dataIn
print 'Datatable : {0}'.format(self.datatable)
def rowCount(self, parent=QtCore.QModelIndex()):
return len(self.datatable.index)
def columnCount(self, parent=QtCore.QModelIndex()):
return len(self.datatable.columns.values)
def data(self, index, role=QtCore.Qt.DisplayRole):
#print 'Data Call'
#print index.column(), index.row()
if role == QtCore.Qt.DisplayRole:
i = index.row()
j = index.column()
#return QtCore.QVariant(str(self.datatable.iget_value(i, j)))
return '{0}'.format(self.datatable.iget_value(i, j))
else:
return QtCore.QVariant()
def flags(self, index):
return QtCore.Qt.ItemIsEnabled
class TableView(QtGui.QTableView):
"""
A simple table to demonstrate the QComboBox delegate.
"""
def __init__(self, *args, **kwargs):
QtGui.QTableView.__init__(self, *args, **kwargs)
if __name__=="__main__":
from sys import argv, exit
class Widget(QtGui.QWidget):
"""
A simple test widget to contain and own the model and table.
"""
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
l=QtGui.QVBoxLayout(self)
cdf = self.get_data_frame()
self._tm=TableModel(self)
self._tm.update(cdf)
self._tv=TableView(self)
self._tv.setModel(self._tm)
l.addWidget(self._tv)
def get_data_frame(self):
df = pd.DataFrame({'Name':['a','b','c','d'],
'First':[2.3,5.4,3.1,7.7], 'Last':[23.4,11.2,65.3,88.8], 'Class':[1,1,2,1], 'Valid':[True, True, True, False]})
return df
a=QtGui.QApplication(argv)
w=Widget()
w.show()
w.raise_()
exit(a.exec_())
@c0indev3l

It will be nice to also display columns names and index names.

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