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from rpython.tool.sourcetools import (
func_renamer, func_with_new_name, rpython_wrapper)
def test_rename():
def f(x, y=5):
return x + y
f.prop = int
g = func_with_new_name(f, "g")
assert g(4, 5) == 9
assert g.func_name == "g"
assert f.func_defaults == (5,)
assert g.prop is int
def test_rename_decorator():
@func_renamer("g")
def f(x, y=5):
return x + y
f.prop = int
assert f(4, 5) == 9
assert f.func_name == "g"
assert f.func_defaults == (5,)
assert f.prop is int
def test_func_rename_decorator():
def bar():
'doc'
bar2 = func_with_new_name(bar, 'bar2')
assert bar.func_doc == bar2.func_doc == 'doc'
bar.func_doc = 'new doc'
bar3 = func_with_new_name(bar, 'bar3')
assert bar3.func_doc == 'new doc'
assert bar2.func_doc != bar3.func_doc
def test_rpython_wrapper():
calls = []
def bar(a, b):
calls.append(('bar', a, b))
return a+b
template = """
def {name}({arglist}):
calls.append(('decorated', {arglist}))
return {original}({arglist})
"""
bar = rpython_wrapper(bar, template, calls=calls)
assert bar(40, 2) == 42
assert calls == [
('decorated', 40, 2),
('bar', 40, 2),
]
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