[pytest-dev] Disabling timeout for pdb

[Bruno Oliveira]

Hi,

> 1. Am I missing something or does pytest indeed completely seal off its
internals?

Not really, you can access _pytest module directly:
>>> import _pytest.pdb
>>> _pytest.pdb.pytestPDB
<class _pytest.pdb.pytestPDB at 0x026F0500>

> 2. Am I approaching this wrong? How else could I go about achieving my
goal of disabling the timeout?

Personally I would try to implement this in pytest-timeout instead,
possibly by adding a `disable_all_timeouts()` API function would be called
automatically when `pdb.set_trace()` is called. This also leaves room for
other code to disable timeout handling if needed.

Cheers,



On Sat, Sep 13, 2014 at 10:50 AM, Wolfgang Schnerring <ws at gocept.com> wrote:

> Hi,
>
> I'd really love for pytest_timeout to not perform the timeout when I'm
> using
> pdb (more specifically, the "import pdb; pdb.set_trace()" statement; I'm
> aware that pytest_timeout learned to respect the "--pdb" command line
> parameter recently), because it invariably bites me and then I have to
> re-run the tests with "--timeout=0", which is annoying.
>
> So, this means I'd need to do /something/ (most probably set a flag) as
> part
> of the pdb.set_trace() call. I gathered that pytest already wraps the
> pdb.set_trace() call for its own purposes, so I guess I'd need to wrap
> *that*.
>
> The easiest way to achieve that wrapping would be to subclass the
> "pytestPDB" class (simply wrapping it with a function messes up the
> frames).
> However, pytest has this magic going on where its parts are in the
> "_pytest"
> submodule which is not a normal module but something else entirely. Which
> means, as far as I can tell, I cannot "import pytest._pytest.pdb", which is
> to say, I cannot access the pytestPDB class at all.
>
> Which leaves me with two questions:
> 1. Am I missing something or does pytest indeed completely seal off its
> internals? Does that mean pytestPDB would need to grow a plugin hook (say,
> "pytest_pdb_interact", as a companion to "pytest_exception_interact")?
> 2. Am I approaching this wrong? How else could I go about achieving my goal
> of disabling the timeout?
>
> Thanks for your help,
> Wolfgang
>
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