Python - example [reddit/learnpython]

#
# https://www.reddit.com/r/learnpython/comments/57dc9u/recreate_tkinter_frame/
#

from PIL import Image
from PIL import ImageTk
from Tkinter import Tk, Frame
from Tkinter import Button, LEFT, TOP, X, FLAT, RAISED, StringVar, Label
import tkFileDialog

class UI():

    def __init__(self, parent):

        self.parent = parent

        self.showFrame = [0] * 14
        self.showTempFrame = []

        for i in range(14):
            var = StringVar()
            self.showTempFrame.append(var)
            self.showTempFrame[i].set("not set")

        self.currentShow = StringVar()
        self.currentShow.set("date.log")
        self.menuUI()
        self.timelineUI()

    def menuUI(self):

        toolbar = Frame(self.parent, bd=1, relief=RAISED)

        # Open Button
        self.openImg = Image.open("img/open.png")
        openImgMenu = ImageTk.PhotoImage(self.openImg)

        openButton = Button(toolbar, image=openImgMenu, relief=FLAT,
                           command=self.openShow)
        openButton.image = openImgMenu
        openButton.pack(side=LEFT, padx=2, pady=2)

    def timelineUI(self):

        self.timeline = Frame(self.parent)

        with open(self.currentShow.get()) as timelineShowFile:
            timelineShowData = timelineShowFile.readlines()

        timelineCurrentFrame = 0

        for timelineFrame in timelineShowData:
            for timelineFrameChannel in range(0, 13):
                if timelineFrame[timelineFrameChannel] == "0":
                    timelineChannelStateLabel = Label(self.timeline, text="")
                    timelineChannelStateLabel.grid(row=timelineFrameChannel, column=timelineCurrentFrame)

                elif timelineFrame[timelineFrameChannel] == "1":
                    timelineChannelStateLabel = Label(self.timeline, text="#")
                    timelineChannelStateLabel.grid(row=timelineFrameChannel, column=timelineCurrentFrame)

            timelineCurrentFrame = timelineCurrentFrame + 1

        self.timeline.pack(side=TOP, fill=X)

    def openShow(self):
        openFile = tkFileDialog.askopenfilename()
        self.currentShow.set(openFile)
        self.timeline.destroy()
        self.timelineUI()


def main():
    root = Tk()
    root.geometry("250x150+300+300")
    root.minsize(400, 300)
    app = UI(root)
    root.mainloop()


if __name__ == '__main__':
    main()