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-rw-r--r--examples/tricks/anytzclock.py78
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diff --git a/examples/tricks/anytzclock.py b/examples/tricks/anytzclock.py
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-# -*- python -*-
-
-# A xpybar configuration example that demonstrates how you can
-# write a configuration that lets you change the clock between
-# any timezone you want using the keyboard or terminal.
-
-# This example requires the package python-posix_ipc, and the
-# example command requires the package cmdipc.
-
-# Caveat: This example is only written to support local displays.
-# If the host part of $DISPLAY contains a dot, this example will
-# not work as expected.
-
-# Caveat: The IPC objects are not cleaned up on exit.
-# After exiting you may want to run
-# cmdipc -PQrk "/~${USER}.xpybar.$(echo "${DISPLAY}" | cut -d . -f 1)"
-
-# To switch between UTC and localtime run the command
-# cmdipc -PQk "/~${USER}.xpybar.$(echo "${DISPLAY}" | cut -d . -f 1)" send -- tz ${THE_TIMEZONE_YOU_WANT}
-# You may want to add an executable file in your ~/.local/bin
-# (which should you include in your $PATH) containing the code
-# #!/bin/sh
-# exec cmdipc -PQk "/~${USER}.xpybar.$(echo "${DISPLAY}" | cut -d . -f 1)" send -- tz "$@"
-# You can then add a hotkey to xbindkeys running that command
-# with a timezone as a argument, or run it in the terminal.
-# If the timezone is omitted, local time is used.
-
-import time
-import threading
-
-from plugins.clock import Clock
-from plugins.tzclock import TZClock
-
-
-OUTPUT, HEIGHT, YPOS, TOP = 0, 12, 24, True
-
-
-time_format = '%Y-(%m)%b-%d %T, %a w%V, %Z'
-
-local_clock = Clock(format = time_format, sync_to = Clock.SECONDS)
-my_clock = local_clock
-
-
-def mqueue_wait():
- import posix_ipc
- global my_clock
- qkey = '/~%s.xpybar.%s' % (os.environ['USER'], os.environ['DISPLAY'].split('.')[0])
- q = posix_ipc.MessageQueue(qkey, posix_ipc.O_CREAT, 0o600, 8, 128)
- while True:
- message = q.receive(None)[0].decode('utf-8', 'replace').split(' ')
- if message[0] == 'tz':
- old_clock = my_clock
- tz = '/'.join(message[1:])
- try:
- my_clock = local_clock if tz == '' else TZClock(timezone = tz, format = time_format)
- except:
- try:
- my_clock = local_clock if tz == '' else TZClock(timezone = tz.upper(), format = time_format)
- except:
- print('%s: unknown typezone: %s' % (sys.argv[0], tz), file = sys.stderr)
- continue
- if old_clock is not local_clock:
- del old_clock
- bar.invalidate() # Optional, just to force redrawing before the next second
-
-
-start_ = start
-def start():
- start_()
- async(mqueue_wait)
- async(lambda : local_clock.continuous_sync(lambda : bar.invalidate()))
-
-
-def redraw():
- text = '%s' % my_clock.read()
- bar.clear()
- bar.draw_coloured_text(0, 10, 0, 2, text)
-