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Commit Description:
merge with algo and add brython files that were missing
Commit Description:
merge with algo and add brython files that were missing
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lib/assets/Lib/unittest/signals.py
| 71 lines
| 2.4 KiB
| text/x-python
| PythonLexer
|
| r584 | 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) | ||||