def test_introspect_curry_py3():
f = cytoolz.curry(make_func(''))
assert num_required_args(f) == 0
assert is_arity(0, f)
assert has_varargs(f) is False
assert has_keywords(f) is False
f = cytoolz.curry(make_func('x'))
assert num_required_args(f) == 0
assert is_arity(0, f) is False
assert is_arity(1, f) is False
assert has_varargs(f) is False
assert has_keywords(f) # A side-effect of being curried
f = cytoolz.curry(make_func('x, y, z=0'))
assert num_required_args(f) == 0
assert is_arity(0, f) is False
assert is_arity(1, f) is False
assert is_arity(2, f) is False
assert is_arity(3, f) is False
assert has_varargs(f) is False
assert has_keywords(f)
f = cytoolz.curry(make_func('*args, **kwargs'))
assert num_required_args(f) == 0
assert has_varargs(f)
assert has_keywords(f)
def test_introspect_curry_py3():
if not PY3:
return
f = cytoolz.curry(make_func(""))
assert num_required_args(f) == 0
assert is_arity(0, f)
assert has_varargs(f) is False
assert has_keywords(f) is False
f = cytoolz.curry(make_func("x"))
assert num_required_args(f) == 0
assert is_arity(0, f) is False
assert is_arity(1, f) is False
assert has_varargs(f) is False
assert has_keywords(f) # A side-effect of being curried
f = cytoolz.curry(make_func("x, y, z=0"))
assert num_required_args(f) == 0
assert is_arity(0, f) is False
assert is_arity(1, f) is False
assert is_arity(2, f) is False
assert is_arity(3, f) is False
assert has_varargs(f) is False
assert has_keywords(f)
f = cytoolz.curry(make_func("*args, **kwargs"))
assert num_required_args(f) == 0
assert has_varargs(f)
assert has_keywords(f)
def test_introspect_curry_py3():
if not PY3:
return
f = cytoolz.curry(make_func(''))
assert num_required_args(f) == 0
assert is_arity(0, f)
assert has_varargs(f) is False
assert has_keywords(f) is False
f = cytoolz.curry(make_func('x'))
assert num_required_args(f) == 0
assert is_arity(0, f) is False
assert is_arity(1, f) is False
assert has_varargs(f) is False
assert has_keywords(f) # A side-effect of being curried
f = cytoolz.curry(make_func('x, y, z=0'))
assert num_required_args(f) == 0
assert is_arity(0, f) is False
assert is_arity(1, f) is False
assert is_arity(2, f) is False
assert is_arity(3, f) is False
assert has_varargs(f) is False
assert has_keywords(f)
f = cytoolz.curry(make_func('*args, **kwargs'))
assert num_required_args(f) == 0
assert has_varargs(f)
assert has_keywords(f)
def test_has_keywords():
assert has_keywords(lambda: None) is False
assert has_keywords(lambda x: None) is False
assert has_keywords(lambda x=1: None)
assert has_keywords(lambda **kwargs: None)
assert has_keywords(int)
assert has_keywords(sorted)
assert has_keywords(max)
assert has_keywords(map) is False
assert has_keywords(bytearray) is None
def test_has_keywords():
assert has_keywords(lambda: None) is False
assert has_keywords(lambda x: None) is False
assert has_keywords(lambda x=1: None)
assert has_keywords(lambda **kwargs: None)
assert has_keywords(int)
assert has_keywords(sorted)
assert has_keywords(max)
assert has_keywords(map) is False
assert has_keywords(bytearray) is None
def should_curry(func):
if not callable(func) or isinstance(func, curry):
return False
nargs = num_required_args(func)
if nargs is None or nargs > 1:
return True
else:
return nargs == 1 and has_keywords(func)
def enhanced_has_keywords(func):
if isinstance(func, Compose):
return enhanced_has_keywords(func.first)
else:
return has_keywords(func)
def should_curry(f):
num = num_required_args(f)
return num is None or num > 1 or num == 1 and has_keywords(f) is not False
def should_curry(f):
num = num_required_args(f)
return num is None or num > 1 or num == 1 and has_keywords(f) is not False
