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#!/usr/bin/env python
#-*- coding:utf-8 -*-

import os
import sys

from PyQt4.QtCore import Qt, QFile
from PyQt4.uic import loadUi
from PyQt4.QtGui import QDialog

from xarphus.gui import ui_rc

BASE_PATH = os.path.dirname(os.path.abspath(__file__))
#UI_PATH = os.path.join(BASE_PATH, 'gui', 'create_user.ui')
UI_PATH = QFile(":/ui_file/create_user.ui")

class CreateUser_Window(QDialog):
    def __init__(self, parent):

        QDialog.__init__(self, parent)

[...]
        UI_PATH.open(QFile.ReadOnly)
        self.ui_create_user = loadUi(UI_PATH, self)
        UI_PATH.close()
[...]

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#!/usr/bin/env python
#-*- coding:utf-8 -*-

from PyQt4.uic import loadUi
from PyQt4.QtCore import Qt, QFile

def ui_load_about(self):
    uiFile = QFile(":/ui_file/about.ui")
    uiFile.open(QFile.ReadOnly)
    self.ui_about = loadUi(uiFile)
    uiFile.close()
    print "STATUS [OK]  (", FILE_NAME, "): The function (ui_load_about) is called"
    return self.ui_about

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#!/usr/bin/env python
#-*- coding:utf-8 -*-

import os
import sys

from PyQt4.QtCore import Qt, QFile
from PyQt4.uic import loadUi
from PyQt4.QtGui import QDialog

import __init__ as ui_file

class About_Window(QDialog):
    def __init__(self, parent):

        QDialog.__init__(self, parent)

        self.ui_about = ui_file.ui_load_about(self)

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def create_about_form(self):
    self.ui_about = About_Window(self)

    # Now when I try to show (show()-method) a window, but I get two windows.
    # The reason is: I open and load the ui files from compiled
    # qt resorce file that was define in __init__-module. 
    # There is a function that opens the resource file, reads  
    # the ui file an closes and returns the ui file back

    # That's the reason why I have commented out this method
    #self.ui_about.show()

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def create_about_form(self):
    self.ui_about = About_Window(self)
    #self.ui_about.show()

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class About_Window(QDialog):
    def __init__(self, parent=None):
        QDialog.__init__(self, parent)

        UI_PATH = QFile(":/ui_file/about.ui")
        UI_PATH.open(QFile.ReadOnly)
        self.ui_about = loadUi(UI_PATH, self)
        UI_PATH.close()