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Re: Is it possible to get string from function?

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In article <mailman.5570.1389849928.18130.python-list@python.org>,
 Chris Angelico <rosuav@gmail.com> wrote:

> On Thu, Jan 16, 2014 at 2:46 PM, Roy Smith <roy@panix.com> wrote:
> > So, I figured I would write a meta-test, which used introspection to
> > find all the methods in the class, extract the strings from them (they
> > are all assigned to a variable named RECEIPT), and check to make sure
> > they're all different.
>> [...]
> But you might be able to shortcut it enormously. You say the strings
> are "about 2500 characters long, hex-encoded". What are the chances of
> having another constant, somewhere in the test function, that also
> happens to be roughly that long and hex-encoded?

The chances are exactly zero.

> If the answer is "practically zero", then skip the code, skip 
> co_names, and just look through co_consts.

That sounds like it should work, thanks!

> Of course, this whole theory goes out the
> window if your test functions can reference another test's RECEIPT;

No, they don't do that.

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Thread

Is it possible to get string from function? Roy Smith <roy@panix.com> - 2014-01-15 22:46 -0500
  Dynamic generation of test cases for each input datum (was: Is it possible to get string from function?) Ben Finney <ben+python@benfinney.id.au> - 2014-01-16 16:02 +1100
    Re: Dynamic generation of test cases for each input datum (was: Is it possible to get string from function?) Roy Smith <roy@panix.com> - 2014-01-16 00:09 -0500
  Re: Is it possible to get string from function? Chris Angelico <rosuav@gmail.com> - 2014-01-16 16:25 +1100
    Re: Is it possible to get string from function? Roy Smith <roy@panix.com> - 2014-01-16 00:40 -0500
      Re: Is it possible to get string from function? Chris Angelico <rosuav@gmail.com> - 2014-01-16 16:47 +1100
  Re: Is it possible to get string from function? Steven D'Aprano <steve@pearwood.info> - 2014-01-16 07:16 +0000
    Re: Is it possible to get string from function? Roy Smith <roy@panix.com> - 2014-01-16 09:30 -0500
  Re: Is it possible to get string from function? Peter Otten <__peter__@web.de> - 2014-01-16 09:52 +0100

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