Python-сообщество

from PyQt4 import QtGui, QtCore
class Window(QtGui.QWidget):
    """Main widget."""
    def __init__(self, parent=None):
        QtGui.QWidget.__init__(self, parent)
        self.grid = QtGui.QGridLayout(self)
        self.add = QtGui.QPushButton('Add')
        self.delete = QtGui.QPushButton('Delete')
        # ... объявление кучи ваших виджетов
        # ...
        self.grid.addWidget(self.add, 0, 0)  # верх окна слева
        self.grid.addWidget(self.delete, 0, 1) # верх окна правее
        # ...

addStretch

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
from PyQt4 import QtGui, QtCore
class MainWindow(QtGui.QMainWindow):
    def __init__(self):
        QtGui.QMainWindow.__init__(self)
        self.Centr = QtGui.QWidget()
        self.setCentralWidget(self.Centr)
        self.resize(800, 400)
        self.setWindowTitle('mainwindow')
        self.statusBar()
# --------- BoxLayout ---------
# основной контейнер
        base_h_layout = QtGui.QHBoxLayout()
        base_h_layout.addWidget(self.list_view_box(1), stretch=4)
        base_h_layout.addWidget(self.list_view_box(2), stretch=4)
        base_h_layout.addLayout(self.right_labels_box(), stretch=3)
        base_h_layout.setSpacing(2)
        base_h_layout.setMargin(10)  
        self.Centr.setLayout(base_h_layout)
 
    def list_view_box(self, arg):
        """
        принимает arg - название listview
        возвращает виджет-контейнер QGroupBox        
        """
        box = QtGui.QGroupBox("some text {0}".format(arg))
        vbox = QtGui.QVBoxLayout(box)
        list_view =  QtGui.QListWidget()
        button = QtGui.QPushButton("button {0}".format(arg))
        vbox.addWidget(list_view)
        vbox.addWidget(button)
        return box
        
     
    def right_labels_box(self):
        """
        возвращает контейнер - QVBoxLayout
        """
        
        vbox_layout = QtGui.QVBoxLayout()
# первая надпись
        label_1 = QtGui.QLabel("-------")
        label_1.setStyleSheet('background-color: {0};'.format('#ffffff'))
        label_1.setAlignment(QtCore.Qt.AlignHCenter)
        form_1 = QtGui.QFormLayout()
        form_1.addRow("label 1:", label_1)
        form_1.setRowWrapPolicy(QtGui.QFormLayout.WrapAllRows)
# вторая надпись
        label_2 = QtGui.QLabel("-------")
        label_2.setStyleSheet('background-color: {0};'.format('#ffffff'))
        label_2.setAlignment(QtCore.Qt.AlignHCenter)
        form_2 = QtGui.QFormLayout()
        form_2.addRow("label 2:", label_2)
        form_2.setRowWrapPolicy(QtGui.QFormLayout.WrapAllRows)
        vbox_layout.addLayout(form_1)
        vbox_layout.addLayout(form_2)
        vbox_layout.addStretch(stretch=2)
        return vbox_layout
        
app = QtGui.QApplication(sys.argv)
main = MainWindow()
main.show()
sys.exit(app.exec_())

# -*- coding: utf8 -*-
from PyQt4 import QtGui, QtCore
class Window(QtGui.QWidget):
    """Main widget."""
    def __init__(self, parent=None):
        QtGui.QWidget.__init__(self, parent)
        self.horizontal = QtGui.QHBoxLayout(self)
        self.one_layout = QtGui.QVBoxLayout()
        self.tile_one = QtGui.QLabel('one')
        self.listview_one = QtGui.QListView()
        self.button_one = QtGui.QPushButton('one')
        self.one_layout.addWidget(self.tile_one)
        self.one_layout.addWidget(self.listview_one)
        self.one_layout.addWidget(self.button_one)
        #
        #
        self.two_layout = QtGui.QVBoxLayout()
        self.title_two = QtGui.QLabel('two')
        self.listview_two = QtGui.QListView()
        self.button_two = QtGui.QPushButton('two')
        self.two_layout.addWidget(self.title_two)
        self.two_layout.addWidget(self.listview_two)
        self.two_layout.addWidget(self.button_two)
       #
       #
        self.three_layout = QtGui.QVBoxLayout()
        self.label_one = QtGui.QLabel('One Label')
        self.edit_one = QtGui.QLineEdit()
        self.label_two = QtGui.QLabel('Two Label')
        self.edit_two = QtGui.QLineEdit()
        self.three_layout.addWidget(self.label_one)
        self.three_layout.addWidget(self.edit_one)
        self.three_layout.addWidget(self.label_two)
        self.three_layout.addWidget(self.edit_two)
        self.three_layout.addStretch(1)
        #
        #
        self.horizontal.addLayout(self.one_layout)
        self.horizontal.addLayout(self.two_layout)
        self.horizontal.addLayout(self.three_layout)
#
#
if __name__ == '__main__':
    import sys
    app = QtGui.QApplication(sys.argv)
    myapp = Window()
    myapp.show()
    sys.exit(app.exec_())