[TIP] figleaf tests
C. Titus Brown
ctb at msu.edu
Mon Jun 23 19:26:11 PDT 2008
On Mon, Jun 23, 2008 at 09:37:41PM -0400, Ned Batchelder wrote:
-> I've been down these paths too, and I completely understand Titus' wariness.
->
-> I think the stdlib module trace.py has the right idea: rather than
-> analyze the code at all, simply compile it, and look at the table of
-> line numbers in the code object. This is by definition the set of lines
-> that sys.settrace can return, and is very simple to read. It has the
-> advantage that as the compiler changes from version to version, changing
-> the lines that can be returned, trace.py is immune to the changes.
Hmm, I didn't realize that the table of line numbers in the code object
is the set of lines that can be returned by sys.settrace! That makes my
life *much* easier, thanks!
-> For more exotic ideas along these lines, you can lie about line numbers:
-> http://nedbatchelder.com/blog/200804/wicked_hack_python_bytecode_tracing.html
Ummm... :)
--titus
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