title: Pyqt Change color of one word in TableView
body: <p>i need help changing the color of one word in my QTableView.</p>
  
  <h1>What i need to do is: when i open the csv file in my table, now i have sentences/words in my columns~rows and i need to color some words, like:</h1>
  
  <p>Here you can see my program with my csv.
  <a href="http://i.imgur.com/uIBQ2ch.jpg" rel="nofollow">http://i.imgur.com/uIBQ2ch.jpg</a></p>
  
  <p>Example: In the [3][0] ( 4 row, 1 column) i have the word "filme" as u can see in my image.</p>
  
  <h1>I want to color this word, and if exists the same word, in the [3][2] ( 4 row, 3 column) i want to  color this word too.</h1>
  
  <p>Here is my full code:</p>
  
  <pre><code>#!/usr/bin/env python
  #-*- coding:utf-8 -*-
  
  import sip
  sip.setapi('QVariant', 2)
  import sys
  reload(sys)
  sys.setdefaultencoding("utf-8")
  from PyQt4.QtCore import *
  from PyQt4.QtGui import *
  import csv
  
  
  try:
      _fromUtf8 = QString.fromUtf8
  except AttributeError:
      _fromUtf8 = lambda s:s
  
  
  
  class MyWindow(QWidget):
  def __init__(self, fileName, parent=None):
      super(MyWindow, self).__init__(parent)
      self.fileName = fileName
  
      self.model = QStandardItemModel(self)
  
      self.tableView = QTableView(self)
      self.tableView.setModel(self.model)
      self.tableView.horizontalHeader().setStretchLastSection(True)
  
      self.pushButtonLoad = QPushButton(self)
      self.pushButtonLoad.setText("Load Csv File!")
      self.pushButtonLoad.clicked.connect(self.on_pushButtonLoad_clicked)
  
      self.pushButtonWrite = QPushButton(self)
      self.pushButtonWrite.setText("Write Csv File!")
      self.pushButtonWrite.setStyleSheet('color:red;background-color:rgb(155, 255, 153);border:1px solid purple;')
      self.pushButtonWrite.clicked.connect(self.on_pushButtonWrite_clicked)
  
      self.layoutVertical = QVBoxLayout(self)
      self.layoutVertical.addWidget(self.tableView)
      self.layoutVertical.addWidget(self.pushButtonLoad)
      self.layoutVertical.addWidget(self.pushButtonWrite)
  
  
  def loadCsv(self, fileName):
      with open(fileName, "rb") as fileInput:
          for row in csv.reader(fileInput):    
              items = [
                  QStandardItem(field.decode('utf8'))
                  for field in row
              ]
              self.model.appendRow(items)
              self.tableView.resizeRowsToContents()
              self.model.setHeaderData(0, Qt.Horizontal, "Feature")
              self.model.setHeaderData(1, Qt.Horizontal, "Polarity(-1,0,1)")
              self.model.setHeaderData(2, Qt.Horizontal, "texto")
              self.tableView.setColumnWidth(2,1000)
              self.tableView.resizeRowsToContents() 
  
  def writeCsv(self, fileName):
      with open(fileName, "w") as fileOutput:
          writer = csv.writer(fileOutput)
          for rowNumber in range(self.model.rowCount()):
              fields = [
                  self.model.data(
                      self.model.index(rowNumber, columnNumber),
                      Qt.DisplayRole
                  )
                  for columnNumber in range(self.model.columnCount())
              ]
              writer.writerow(fields)
  @pyqtSlot()
  def on_pushButtonWrite_clicked(self):
      self.writeCsv(self.fileName)
  
  @pyqtSlot()
  def on_pushButtonLoad_clicked(self):
      self.loadCsv(self.fileName)
  
  if __name__ == "__main__":
  import sys
  
  app = QApplication(sys.argv)
  app.setApplicationName('MyWindow')
  
  main = MyWindow("marcoteste.csv")  
  
  main.show()
  
  sys.exit(app.exec_())
  </code></pre>