1#@!#!123s

: / proc / self / root / usr / lib64 / python3.6 / unittest /

Filename : signals.py

back

import signal
import weakref

from functools import wraps

__unittest = True


class _InterruptHandler(object):
    def __init__(self, default_handler):
        self.called = False
        self.original_handler = default_handler
        if isinstance(default_handler, int):
            if default_handler == signal.SIG_DFL:
                # Pretend it's signal.default_int_handler instead.
                default_handler = signal.default_int_handler
            elif default_handler == signal.SIG_IGN:
                # Not quite the same thing as SIG_IGN, but the closest we
                # can make it: do nothing.
                def default_handler(unused_signum, unused_frame):
                    pass
            else:
                raise TypeError("expected SIGINT signal handler to be "
                                "signal.SIG_IGN, signal.SIG_DFL, or a "
                                "callable object")
        self.default_handler = default_handler

    def __call__(self, signum, frame):
        installed_handler = signal.getsignal(signal.SIGINT)
        if installed_handler is not self:
            # if we aren't the installed handler, then delegate immediately
            # to the default handler
            self.default_handler(signum, frame)

        if self.called:
            self.default_handler(signum, frame)
        self.called = True
        for result in _results.keys():
            result.stop()

_results = weakref.WeakKeyDictionary()
def registerResult(result):
    _results[result] = 1

def removeResult(result):
    return bool(_results.pop(result, None))

_interrupt_handler = None
def installHandler():
    global _interrupt_handler
    if _interrupt_handler is None:
        default_handler = signal.getsignal(signal.SIGINT)
        _interrupt_handler = _InterruptHandler(default_handler)
        signal.signal(signal.SIGINT, _interrupt_handler)


def removeHandler(method=None):
    if method is not None:
        @wraps(method)
        def inner(*args, **kwargs):
            initial = signal.getsignal(signal.SIGINT)
            removeHandler()
            try:
                return method(*args, **kwargs)
            finally:
                signal.signal(signal.SIGINT, initial)
        return inner

    global _interrupt_handler
    if _interrupt_handler is not None:
        signal.signal(signal.SIGINT, _interrupt_handler.original_handler)

Name	Size	Last Modified	Owner	Permissions
__pycache__	Dir	December 06 2024 3:40:16	root	0755
__init__.py	3.104 KB	December 05 2024 1:00:51	root	0644
__main__.py	0.474 KB	December 23 2018 9:37:14	root	0644
case.py	56.152 KB	December 05 2024 1:00:51	root	0644
loader.py	21.703 KB	December 23 2018 9:37:14	root	0644
main.py	10.305 KB	December 23 2018 9:37:14	root	0644
mock.py	77.984 KB	December 23 2018 9:37:14	root	0644
result.py	7.268 KB	December 23 2018 9:37:14	root	0644
runner.py	7.569 KB	December 23 2018 9:37:14	root	0644
signals.py	2.347 KB	December 23 2018 9:37:14	root	0644
suite.py	10.233 KB	December 23 2018 9:37:14	root	0644
util.py	5.306 KB	December 23 2018 9:37:14	root	0644

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