File: now.pyw
   1 #!/usr/bin/python
   2 
   3 # The MIT License (MIT)
   4 #
   5 # Copyright (c) 2026 pacman64
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a copy
   8 # of this software and associated documentation files (the "Software"), to deal
   9 # in the Software without restriction, including without limitation the rights
  10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 # copies of the Software, and to permit persons to whom the Software is
  12 # furnished to do so, subject to the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be included in
  15 # all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 # SOFTWARE.
  24 
  25 
  26 info = '''
  27 A little GUI window with a live date/time clock updating every new minute,
  28 and which you can also quit using the escape key. F1 shows this help message.
  29 '''
  30 
  31 
  32 from datetime import datetime
  33 from tkinter import Event, Label, Tk
  34 from tkinter.messagebox import showinfo
  35 
  36 
  37 def check_key(event: Event) -> None:
  38     char = event.char
  39     # quit app when escape key is pressed
  40     if char != '' and ord(char) == 27:
  41         window.quit()
  42     # show help message when F1 is pressed
  43     if event.keycode == 112:
  44         showinfo('Now', info.strip().replace('\n', ''))
  45 
  46 
  47 def tick() -> None:
  48     now = datetime.now()
  49     update(now)
  50     window.after((60 - now.second) * 1000, tick)
  51 
  52 
  53 def update(now: datetime) -> None:
  54     window.title(now.strftime('%Y-%m-%d %H:%M'))
  55     output.configure(text=now.strftime('%a %b %d\n%H:%M'))
  56 
  57 
  58 window = Tk()
  59 window.resizable(False, False)
  60 window.bind('<KeyPress>', check_key)
  61 output = Label(text='', font=('Lucida Console', 60))
  62 output.pack(padx=10, pady=5)
  63 
  64 try:
  65     tick()
  66     window.mainloop()
  67 except KeyboardInterrupt as _:
  68     pass