mirror of
https://github.com/python/cpython
synced 2024-09-05 00:05:39 +00:00
![Serhiy Storchaka](/assets/img/avatar_default.png)
Functions signal(), getsignal(), pthread_sigmask(), sigpending(), sigwait() and valid_signals() were omitted. If __all__ is not defined all non-builtin functions should have correct __module__.
93 lines
2.4 KiB
Python
93 lines
2.4 KiB
Python
import _signal
|
|
from _signal import *
|
|
from enum import IntEnum as _IntEnum
|
|
|
|
_globals = globals()
|
|
|
|
_IntEnum._convert_(
|
|
'Signals', __name__,
|
|
lambda name:
|
|
name.isupper()
|
|
and (name.startswith('SIG') and not name.startswith('SIG_'))
|
|
or name.startswith('CTRL_'))
|
|
|
|
_IntEnum._convert_(
|
|
'Handlers', __name__,
|
|
lambda name: name in ('SIG_DFL', 'SIG_IGN'))
|
|
|
|
if 'pthread_sigmask' in _globals:
|
|
_IntEnum._convert_(
|
|
'Sigmasks', __name__,
|
|
lambda name: name in ('SIG_BLOCK', 'SIG_UNBLOCK', 'SIG_SETMASK'))
|
|
|
|
|
|
def _int_to_enum(value, enum_klass):
|
|
"""Convert a numeric value to an IntEnum member.
|
|
If it's not a known member, return the numeric value itself.
|
|
"""
|
|
try:
|
|
return enum_klass(value)
|
|
except ValueError:
|
|
return value
|
|
|
|
|
|
def _enum_to_int(value):
|
|
"""Convert an IntEnum member to a numeric value.
|
|
If it's not an IntEnum member return the value itself.
|
|
"""
|
|
try:
|
|
return int(value)
|
|
except (ValueError, TypeError):
|
|
return value
|
|
|
|
|
|
# Similar to functools.wraps(), but only assign __doc__.
|
|
# __module__ should be preserved,
|
|
# __name__ and __qualname__ are already fine,
|
|
# __annotations__ is not set.
|
|
def _wraps(wrapped):
|
|
def decorator(wrapper):
|
|
wrapper.__doc__ = wrapped.__doc__
|
|
return wrapper
|
|
return decorator
|
|
|
|
@_wraps(_signal.signal)
|
|
def signal(signalnum, handler):
|
|
handler = _signal.signal(_enum_to_int(signalnum), _enum_to_int(handler))
|
|
return _int_to_enum(handler, Handlers)
|
|
|
|
|
|
@_wraps(_signal.getsignal)
|
|
def getsignal(signalnum):
|
|
handler = _signal.getsignal(signalnum)
|
|
return _int_to_enum(handler, Handlers)
|
|
|
|
|
|
if 'pthread_sigmask' in _globals:
|
|
@_wraps(_signal.pthread_sigmask)
|
|
def pthread_sigmask(how, mask):
|
|
sigs_set = _signal.pthread_sigmask(how, mask)
|
|
return set(_int_to_enum(x, Signals) for x in sigs_set)
|
|
|
|
|
|
if 'sigpending' in _globals:
|
|
@_wraps(_signal.sigpending)
|
|
def sigpending():
|
|
return {_int_to_enum(x, Signals) for x in _signal.sigpending()}
|
|
|
|
|
|
if 'sigwait' in _globals:
|
|
@_wraps(_signal.sigwait)
|
|
def sigwait(sigset):
|
|
retsig = _signal.sigwait(sigset)
|
|
return _int_to_enum(retsig, Signals)
|
|
|
|
|
|
if 'valid_signals' in _globals:
|
|
@_wraps(_signal.valid_signals)
|
|
def valid_signals():
|
|
return {_int_to_enum(x, Signals) for x in _signal.valid_signals()}
|
|
|
|
|
|
del _globals, _wraps
|