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Use the more powerful signatures module to display function argument signatures. In particular this works better for functions wrapped with functools.wraps (at least on Python >= 3.4)
Use the more powerful signatures module to display function argument signatures. In particular this works better for functions wrapped with functools.wraps (at least on Python >= 3.4)

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test_decorators.py
9 lines | 170 B | text/x-python | PythonLexer
Thomas Kluyver
Add tests for things in utils
r15516 from IPython.utils import decorators
def test_flag_calls():
@decorators.flag_calls
def f():
pass
assert not f.called
f()
assert f.called