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Generate own hash only once
Handle legacy capabilities
Move /caps command into /disco info
Use filesystem cache
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-10-04 19:28:25 +0000
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# Copyright (C) 2009-2013  Roman Zimbelmann <hut@lavabit.com>
# This software is distributed under the terms of the GNU GPL version 3.

"""Interrupt Signal handler for curses

This module can catch interrupt signals which would otherwise
rise a KeyboardInterrupt exception and handle it by pushing
a Ctrl+C (ASCII value 3) to the curses getch stack.
"""

import curses
import signal

_do_catch_interrupt = True

def catch_interrupt(boolean=True):
    """Should interrupts be caught and simulate a ^C press in curses?"""
    global _do_catch_interrupt
    old_value = _do_catch_interrupt
    _do_catch_interrupt = bool(boolean)
    return old_value

# The handler which will be used in signal.signal()
def _interrupt_handler(a1, a2):
    global _do_catch_interrupt
    # if a keyboard-interrupt occurs...
    if _do_catch_interrupt:
        # push a Ctrl+C (ascii value 3) to the curses getch stack
        curses.ungetch(3)
    else:
        # use the default handler
        signal.default_int_handler(a1, a2)

def install_interrupt_handler():
    """Install the custom interrupt_handler"""
    signal.signal(signal.SIGINT, _interrupt_handler)

def restore_interrupt_handler():
    """Restore the default_int_handler"""
    signal.signal(signal.SIGINT, signal.default_int_handler)