waydrn15

Example Python program waydrn15.py

Modules

• import sys, os, Tkinter, time, random

Methods

• def log_to_file(filename, formatted_time, entry, window):
• def ask_what_you_are_doing(mainwin, filename):
• def main(argv):

Code

Python tkinter example

#!/usr/bin/python
# -*- coding: utf-8; -*-
"""Asks, "What are you doing right now?" at random, averaging every 15 minutes.

Results are appended to `~/waydrn15.log` by default.

"""

import sys, os, Tkinter, time, random

def log_to_file(filename, formatted_time, entry, window):
    f = open(filename, 'a')

    try:
        f.write('%s %s\n' % (formatted_time, entry.get()))
    finally:
        f.close()

    window.destroy()

def ask_what_you_are_doing(mainwin, filename):
    new_window = Tkinter.Toplevel()

    now = time.time()
    formatted_time = time.strftime('%H:%M', time.localtime(now))
    text = 'What are you doing right now? (%s)' % formatted_time

    label = Tkinter.Label(new_window, text=text)
    entry = Tkinter.Entry(new_window, width=80)
    datetime = time.strftime('%Y-%m-%d %H:%M', time.localtime(now))
    command = lambda: log_to_file(filename, datetime, entry, new_window)
    button = Tkinter.Button(new_window, text='Log it', command=command)
    button.bind('<Return>', lambda ev: button.invoke())

    for widget in [label, entry, button]:
        widget.pack()

    entry.focus()
    new_window.lift()      # raise above other windows, stealing focus

    seconds = random.expovariate(1.0/(15*60))
    # for debugging:
    # seconds = 5
    mainwin.after(int(1000 * seconds),
                  lambda: ask_what_you_are_doing(mainwin, filename))

def main(argv):
    if len(argv) == 2:
        filename = argv[1]
    else:
        filename = os.path.join(os.environ['HOME'], 'waydrn15.log')

    mainwin = Tkinter.Tk()
    mainwin.title('time sampling applet')
    Tkinter.Label(mainwin,
                  text='Close this window to stop logging your time.').pack()
    Tkinter.Label(mainwin,
                  text='Logging to %r.' % filename).pack()

    ask_what_you_are_doing(mainwin, filename)

    mainwin.mainloop()

if __name__ == '__main__':
    main(sys.argv)

# Local Variables:
# compile-command: "./waydrn15.py"
# End:

Useful Links

• Articles: https://python-commandments.org/
• Python shell: https://bsdnerds.org/learn-python/
• Tutorial: https://pythonprogramminglanguage.com/