All,
Ok, it looks like in order to implement a tracer that does
interpolation, I'm going to have to hack around with frames.
Perl's interpolation is fairly straightforward, to do interpolation of
$a == 1 all you need to do is put quotes around "$a == 1" to have $a
evaluated.
So, I'd like to do the same thing with python. It looks like I can do
the same thing with frames, ie:
interpolate_frame(frame, "if not wx.Platform == '__WXMAC' ")
would interpolate wx based off of the frame that you passed to
interpolate_frame, because wx is in the f_locals or f_globals
dictionary.
Hence, this would become:
loc_wx = _first_defined(frame.f_locals["wx"], frame.f_globals["wx"])
return "if not ", loc_wx.Platform , " == \"__WXMAC\""
which would then do the interpolation.
I guess my question is - has something like this been released? I see
some close hits, namely Evan Forsmark's
http://www.evanfosmark.com/2008/06/string-interpolation-in-python/
but I don't see anything exact, and getting this right would be fairly
tricky, so I was hoping for canned solution.
Any ideas would be great on this, including pitfalls that people see
in implementing it.
Ed
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