sa0.5 init-replacement fails

def setattr_kargs( *args, **kargs):
    assert len(args)==1
    x = args[0](0)
    for k,v in kargs.iteritems(): setattr( x, k, v)

class X(object): ....

X.__init__ = setattr_kargs

when SA comes to play, it fails to find a 'self' in "init" arguments.

fix: the self_arg in format_argspec_plus() should never be None: e.g. self_arg = spec0 and spec0 0 or spec1+'0' seems to work.

also, the empty defaults is tuple/() and not None, so spec3 should not be compared to None but just bool of it.

def format_argspec_plus(fn, grouped=True):
    spec = args,vargs,kwargs,defaults = inspect.getargspec(fn)
    vkargs = inspect.formatargspec(*spec)
    self_arg = args and args[0](0) or vargs+'[0](0)'
    apply_pos = inspect.formatargspec( args,vargs,kwargs)
    defaulted_vals = defaults and args[-len(defaults):](-len(defaults):) or ()
    apply_kw = inspect.formatargspec( args,vargs,kwargs,
                     defaulted_vals, formatvalue=lambda x: '=' + x)
    if grouped:
        return dict(args=vkargs, self_arg=self_arg,
                  apply_pos=apply_pos, apply_kw=apply_kw)
    else:
        return dict(args=vkargs[1:-1](1:-1), self_arg=self_arg,
                  apply_pos=apply_pos[1:-1](1:-1), apply_kw=apply_kw[1:-1](1:-1))

on related note, the log/printing of functext/funcvars will help a bit, as the functext is not very visible in a stacktrace. and/or, maybe fix/hack the co_filename and co_firstlineno code-attributes, so inspect.getsource( myclass.init) "works"... maybe pointing to orm.attributes._generate_init function.

az()svilendobrev_com

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