from Tkinter import *
import Tkinter, Tkconstants, tkFileDialog
from PIL import Image, ImageTk
from shutil import copyfile
import urllib
import time

cam_url   = "https://video.dot.state.mn.us/video/image/metro/C1628"
cam_title = "I-35W: I-35W NB @ Washington Ave"
saved     = "lastcapture.jpg"

tkimg = [None]           # Prevents garbage collection
framerate_delay = 1000   # in milliseconds
                         # Black Lives Matter

root = Tkinter.Tk()
root.title("MNDOT TRAFFIC CAM WATCHER")
label = Tkinter.Label(root)
label.pack()

def getImage():
    urllib.urlretrieve(cam_url, saved)
    print "Pulling image from camera " + cam_url[48:] + " - "\
        + cam_title

def saveImage():
    stamp = time.time()
    copyfile(saved, "saved\\cam" + cam_url[48:] + "-"\
        + str(stamp)[0:10] + ".jpg")
    print "Snapshot saved at saved\\cam" + cam_url[48:] + "-"\
        + str(stamp)[0:10] + ".jpg"

def loopCapture():
    try:
        getImage()
        tkimg[0] = ImageTk.PhotoImage(file=saved)
        label.config(image=tkimg[0])
        labelname = Label(root, text=cam_title).place(x=0, y=0)
        root.update_idletasks()
        root.after(framerate_delay, loopCapture)
        saveImage()
    except IOError:
        print IOError
    except AttributeError:
        print AttributeError

root.config()
loopCapture()
root.mainloop()