def mkdeco(f, opt): #{{{
if 'overload' in opt:
sigopt['weak'] = False
signature = []
sigapp = signature.append
for ext in decoext:
if not isclass(ext) or not issubclass(ext, CustomDecoSignal):
raise TypeError("The 'decoext' argument expected CustomDecoSignal classes, got %s instead" %ext.__name__)
sigapp(ext)
sigapp(DecoSignalExtension)
for ext in sigext:
if not isclass(ext) or not issubclass(ext, SignalExtension):
raise TypeError("The 'sigext' argument expected SignalExtension classes, got %s instead" %ext.__name__)
sigapp(ext)
sigapp(BaseSignal)
_NewDecoSignal = newclass('_NewDecoSignal', tuple(signature),
dict(__slots__ = ()))
return _NewDecoSignal(f, **sigopt)
def mkdeco(f, kwargs): #{{{
sigkw = kwargs.pop('sigkw_', {})
if 'overload' in kwargs:
sigkw['weak'] = False
signature = []
sigapp = signature.append
for ext in kwargs.pop('decoext_', ()):
if not isclass(ext) or not issubclass(ext, CustomDecoSignal):
raise TypeError("The 'decoext' keyword expected CustomDecoSignal classes, got %s instead" %ext.__name__)
sigapp(ext)
sigapp(DecoSignalExtension)
for ext in kwargs.pop('sigext_', ()):
if not isclass(ext) or not issubclass(ext, SignalExtension):
raise TypeError("The 'sigext' keyword expected SignalExtension classes, got %s instead" %ext.__name__)
sigapp(ext)
sigapp(BaseSignal)
_NewDecoSignal = newclass('_NewDecoSignal', tuple(signature),
dict(__slots__ = ()))
return _NewDecoSignal(f, **sigkw)
def mkdeco(f, kwargs): #{{{
signature = []
sigapp = signature.append
for ext in kwargs.pop('decoext', ()):
if not isclass(ext) or not issubclass(ext, CustomDecoSignal):
raise TypeError("The 'decoext' keyword expected CustomDecoSignal classes, got %s instead" %ext.__name__)
sigapp(ext)
sigapp(DecoSignalExtension)
for ext in kwargs.pop('sigext', ()):
if not isclass(ext) or not issubclass(ext, SignalExtension):
raise TypeError("The 'sigext' keyword expected SignalExtension classes, got %s instead" %ext.__name__)
sigapp(ext)
sigapp(BaseSignal)
# signature = list(kwargs.pop('decoext', ()))
# signature.extend([DecoSignalExtension] + list(kwargs.pop('sigext', ())) + [BaseSignal])
cstr = """
class _NewDecoSignal(%s):
__slots__ = ()
""" %', '.join('signature[%i]' %i for i in xrange(len(signature)))
exec compile(cstr.strip(), '<string>', 'exec') in locals()
return _NewDecoSignal(f)
def settings(func): #{{{
signal = getattr(func, 'signal', None)
if isinstance(signal, DecoSignalExtension) and isinstance(signal, BaseSignal):
DecoSignalFunction = func
elif not _isf(func) and not isclass(func):
raise TypeError('argument must be a python function or a python class')
else:
signal = mkdeco(func, opt)
args, vargs, vkeys, defaults = spec = cgetargspec(func)
code_args = args + [v for v in (vargs, vkeys) if v != None]
fcode = Code(CodeList(), (), code_args, bool(vargs), bool(vkeys), True, 'f', '<dynamic decorator signal function>', 1, None)
fcode.code[:] = ([(SetLineno, 2), (LOAD_GLOBAL, 'signal')] + bp_call_args(*spec) +
[(RETURN_VALUE, None)])
DecoSignalFunction = newfunction(fcode.to_code(), locals(), 'DecoSignalFunction', default_argvals(args, defaults))
d = DecoSignalFunction
d = wraps(func)(d)
d.signal = signal
signal.signalfunc = d
for n in signal.decorators:
setattr(d, n, getattr(signal, n))
opt['MAKE_SIGNAL'] = 1
return global_settings(d, **opt)(d)
def settings(func): #{{{
signal = getattr(func, 'signal', None)
if isinstance(signal, DecoSignalExtension) and isinstance(signal, BaseSignal):
locals().update(DecoSignalFunction=func)
elif not _isf(func) and not isclass(func):
raise TypeError('argument must be a python function or a python class')
else:
defstr, callstr = cargdefstr(func)
signal = mkdeco(func, kwargs)
fstr = """
def DecoSignalFunction(%s):
return signal(%s)
""" %(defstr, callstr)
exec compile(fstr.strip(), '<string>', 'exec') in locals()
d = DecoSignalFunction
d = wraps(func)(d)
d.signal = signal
for n in signal.decorators:
setattr(d, n, getattr(signal, n))
kwargs.pop('decoext', ())
kwargs.pop('sigext', ())
kwargs['MAKE_SIGNAL'] = 1
return global_settings(d, **kwargs)(d)
def mk_itype(o): #{{{
if autotype:
if not isclass(o):
o = o.__class__
return InstanceType(o)
return o
