def _unCatcher(error):
'''(INTERNAL) Default handler for I{uncaught} C{ObjC/NSExceptions}
wrapped as an L{NSExceptionError}.
'''
logf('handling %s', error, nl=1)
_SIGraise(_signal.SIGABRT)
return error # throw error in case _SIGraise failed
def _SIGhandler(sig, frame): # PYCHOK unused
'''(INTERNAL) Handler for the C{signal}s enabled by C{fault}.
'''
logf('traceback (most recent call last):')
for t in _NL_.join(traceback.format_stack(frame)).split(_NL_):
if t:
logf(t)
_bye(_SIGname(sig))
def _bye(name):
'''(INTERNAL) Time to go ...
'''
logf('%s(%s) %s %s %s',
exiting.__name__,
_exiting,
'from',
name,
'handler',
nl=1,
nt=1)
if _exiting < 0:
os._exit(-_exiting) # force exit
else:
sys.exit(_exiting)
def _handler(nsException):
e = NSExceptionError(ObjCInstance(nsException))
if log:
s = e.reason or _not_given_
logf('uncaught ObjC/%s: %s', e.name, s, nl=1)
logf('datetime %s (%s)', e.datetime, e.versionstr)
if e.info:
logf('info: %s', e.info)
logf('callstack (most recent last):')
for s in e.callstack:
logf(' %s', s) # argv0=_NN_, nt=1
r = handler(e)
if r is e or raiser:
raise e
elif isinstance(r, int):
exiting(r)
_bye(handler.__name__)
raise RuntimeError('no %s' % (setUncaughtExceptionHandler.__name__, ))
return h # previous
# enable like Python 3.3+
if _PY_FH and not is_enabled():
enable()
__all__ += _ALL_DOCS(disable, enable, exiting, is_enabled, SIGs_enabled)
if __name__ == '__main__':
if is_enabled() and '-X' in sys.argv[1:]:
# test fault handling
enable(sys.stdout)
logf('%s: %s', SIGs_enabled.__name__, SIGs_enabled())
from pycocoa.nstypes import NSColor
r = NSColor.redColor()
c = r.cyanComponent() # bye ...
elif _PY_FH and '-raise' in sys.argv[1:]:
# throw an ObjC/NSException and catch it
from pycocoa.nstypes import nsRaise
logf('%s ...', nsRaise.__name__)
nsRaise(reason='testing', _PY_FH=_PY_FH)
elif _PY_FH and '-try' in sys.argv[1:]:
# throw an ObjC/NSException, have the handler
# raise the NSExceptionError and then try to