import sys,  string,  operator
from PyQt4 import QtCore, QtGui

class tabby(QtGui.QTabWidget):
    def __init__(self,  intface_spec,  parent = None):
        QtGui.QTabWidget.__init__(self, parent)
        for k, v in intface_spec.items():
            page = QtGui.QWidget()
            lay = QtGui.QFormLayout()
            for innerKey, innerVal in v.items():
                if innerVal['widget'] == 'QLineEdit':
                    w = QtGui.QLineEdit()
                elif innerVal['widget'] == 'QComboBox':
                    w = QtGui.QComboBox()
                    if 'list' in innerVal:
                        for listItem in innerVal['list']:
                            w.addItem(listItem)

                if 'length' in innerVal:
                    w.setFixedWidth(innerVal['length']*9)
                lay.addRow(innerKey, w)
            page.setLayout(lay)
            self.addTab(page,  str(k))

if __name__ == "__main__":
    interface_dict= {
        'First Tab' : {
            'First Name' : {
                'widget' : 'QLineEdit',
                'length' : 20
            }, 
            'Last Name' : {
                'widget' : 'QLineEdit',
                'length' : 30
            }, 
            'Title' : {
                'widget' : 'QComboBox',
                'list': ['Mr', 'Mrs', 'Ms', 'Dr', 'BDFL'], 
                'length': 10
            }
        }, 
        'Second Tab' : {
            'City' : {
                'widget' : 'QLineEdit',
                'length' : 20
            }, 
            'Street' : {
                'widget' : 'QLineEdit',
                'length' : 30
            } 
        }
    }
    app = QtGui.QApplication(sys.argv)
    mw = QtGui.QMainWindow()
    tabs = tabby(interface_dict)
    mw.setCentralWidget(tabs)
    mw.show()
    sys.exit(app.exec_())