def pre_handler_hook(self):
"""
Restore the signal handlers to their default values at Sage
startup, saving the old handler at the ``saved_sigint_handler``
attribute. This is needed because Jupyter needs to change the
``SIGINT`` handler.
See :trac:`19135`.
TESTS::
sage: from sage.repl.ipython_kernel.kernel import SageKernel
sage: k = SageKernel.__new__(SageKernel)
sage: k.pre_handler_hook()
sage: k.saved_sigint_handler
<cyfunction python_check_interrupt at ...>
"""
from cysignals import init_cysignals
self.saved_sigint_handler = init_cysignals()
def pre_handler_hook(self):
from cysignals import init_cysignals
self.saved_sigint_handler = init_cysignals()
def pre_handler_hook(self):
from cysignals import init_cysignals
self.saved_sigint_handler = init_cysignals()