Das deutsche Python-Forum

Code: Alles auswählen

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

try:
    # Tkinter for Python 2.xx
    import Tkinter as tk
except ImportError:
    # Tkinter for Python 3.xx
    import tkinter as tk

import codecs
import os

from threading import Thread
from Queue import Queue

source_filename = "C:\Users\DMD-OL\Desktop\Handy-Datenbank\DATANORM\DATANORM.002"
TIME_STEP = 1000 # Milliseconds
LABEL_WIDTH = 3
LABEL_FONT = ('Helevetica', 20, 'bold')


def start():
    if not root.running:
        root.running = True
        counter()
        process_file(source_filename)

def counter():
    if not root.running: return
    root.after(TIME_STEP, counter)

def stop():
    root.running = False

#######
#Auslesen einer 3GB großen Textdatei
#######
def process_file(source_filename):

    # AN DIESER STELLE HÄTTE ICH GERN NACH JEDEM TIME_STEP DIE AKTUELLE AUSGABE VON "root.running" nach 1000 millisekunden
    print root.running

    # DAMIT ICH MIT
    #while root.running:
    #    worker_queue = Queue()
    #    finished = object()
    #    def process(queue, line):
    #        queue.put(line)
    #    def read():
    #        with open(source_filename) as source:
    #            for line in source:
    #                queue = Queue()
    #                Thread(target = process, args=(queue, line)).start()
    #                worker_queue.put(queue)
    #        worker_queue.put(finished)
    #    Thread(target = read).start()
    #    for output in iter(worker_queue.get, finished):
    #        print output.get()


root = tk.Tk()
root.config(relief='groove', bd=2)

root.running = False

app = tk.Frame(root)
app.grid(padx=5, pady=5)

tk.Button(app, text="Start", command=start).pack(pady=2) #process_file(source_filename)
tk.Button(app, text="Stop", command=stop).pack()

root.mainloop()