comparison mercurial/extensions.py @ 34128:82bd4c5a81e5

extensions: fix wrapcommand/function of class instance

5361771f9714 changed _updatewrapper() to copy the __name__ attribute, but
not all callable objects has __name__.

Spotted by loading mq with extdiff.

34127:709b44f38ab9

        return func(*(args + a), **kw)
    return closure

def _updatewrapper(wrap, origfn, unboundwrapper):
    '''Copy and add some useful attributes to wrapper'''
    wrap.__name__ = origfn.__name__
    wrap.__module__ = getattr(origfn, '__module__')
    wrap.__doc__ = getattr(origfn, '__doc__')
    wrap.__dict__.update(getattr(origfn, '__dict__', {}))
    wrap._origfunc = origfn
    wrap._unboundwrapper = unboundwrapper

34128:82bd4c5a81e5

        return func(*(args + a), **kw)
    return closure

def _updatewrapper(wrap, origfn, unboundwrapper):
    '''Copy and add some useful attributes to wrapper'''
    try:
        wrap.__name__ = origfn.__name__
    except AttributeError:
        pass
    wrap.__module__ = getattr(origfn, '__module__')
    wrap.__doc__ = getattr(origfn, '__doc__')
    wrap.__dict__.update(getattr(origfn, '__dict__', {}))
    wrap._origfunc = origfn
    wrap._unboundwrapper = unboundwrapper