def decorate(fn):
if not inspect.isfunction(fn):
raise Exception("not a decoratable function")
spec = inspect_getfullargspec(fn)
names = tuple(spec[0]) + spec[1:3] + (fn.func_name, )
targ_name, fn_name = _unique_symbols(names, 'target', 'fn')
metadata = dict(target=targ_name, fn=fn_name)
metadata.update(format_argspec_plus(spec, grouped=False))
code = 'lambda %(args)s: %(target)s(%(fn)s, %(apply_kw)s)' % (metadata)
decorated = eval(code, {targ_name: target, fn_name: fn})
decorated.func_defaults = getattr(fn, 'im_func', fn).func_defaults
return update_wrapper(decorated, fn)
def decorate(fn):
if not inspect.isfunction(fn):
raise Exception("not a decoratable function")
spec = inspect_getfullargspec(fn)
names = tuple(spec[0]) + spec[1:3] + (fn.func_name,)
targ_name, fn_name = _unique_symbols(names, "target", "fn")
metadata = dict(target=targ_name, fn=fn_name)
metadata.update(format_argspec_plus(spec, grouped=False))
code = "lambda %(args)s: %(target)s(%(fn)s, %(apply_kw)s)" % (metadata)
decorated = eval(code, {targ_name: target, fn_name: fn})
decorated.func_defaults = getattr(fn, "im_func", fn).func_defaults
return update_wrapper(decorated, fn)
def decorator(target):
"""A signature-matching decorator factory."""
def decorate(fn):
if not inspect.isfunction(fn):
raise Exception("not a decoratable function")
spec = inspect_getfullargspec(fn)
names = tuple(spec[0]) + spec[1:3] + (fn.func_name,)
targ_name, fn_name = _unique_symbols(names, 'target', 'fn')
metadata = dict(target=targ_name, fn=fn_name)
metadata.update(format_argspec_plus(spec, grouped=False))
code = 'lambda %(args)s: %(target)s(%(fn)s, %(apply_kw)s)' % (
metadata)
decorated = eval(code, {targ_name:target, fn_name:fn})
decorated.func_defaults = getattr(fn, 'im_func', fn).func_defaults
return update_wrapper(decorated, fn)
return update_wrapper(decorate, target)
