[lldb-dev] Refactoring dotest as a Python package

Zachary Turner via lldb-dev lldb-dev at lists.llvm.org
Tue Oct 27 16:30:39 PDT 2015

I have the first part of the patch in, and the second part of the patch
(which is essentially just a whole-folder rename with a couple of fixups)
ready to go.  What's the best way to have this reviewed?  Uploading a 7MB
patch to Phabricator probably isn't going to work out very well.

On Tue, Oct 27, 2015 at 1:40 PM Zachary Turner <zturner at google.com> wrote:

> I think I have a way to split this into two smaller CLs.  I'm testing this
> at the moment, if so it will allow the first CL to be most of the
> preparation for the rename without the rename, and then the second CL
> should literally just be a straight move with only 1-2 line code change.
> So I'll try to put this first CL up for review shortly.
> On Tue, Oct 27, 2015 at 12:49 PM Zachary Turner <zturner at google.com>
> wrote:
>> I've got a patch locally to make all of our Python stuff part of an lldb
>> package called `lldbsuite`.  Currently we've got a bunch of standalone
>> scripts that live in various directories such as `lldb/test`, or
>> `lldb/scripts`, and possibly some  other locations, and this organization
>> makes it hard to share code because it is incompatible with Python's
>> built-in code reuse mechanism, which is its package system.
>> The problem is, this patch is *big*.  Functionally there weren't many
>> major changes, but it renames the entire test directory.  To be clear, it
>> still leaves `test/dotest.py` in place, so nobody has to change their
>> workflow or do anything differently.  If you used to write "cd test &&
>> dotest.py" you can still do that.  dotest.py is now just a 2 line wrapper
>> around the package, so it looks like:
>> import lldbsuite.test
>> lldbsuite.test.run_suite()
>> the advantage of this method is that lldbsuite can contain subpackages.
>> It already contains one subpackage, which is lldbsuite.test, and I plan to
>> move some of the Python code in `lldb/scripts` there as well, so that we
>> have lldbsuite.scripts.  Then we can add a third submodule,
>> lldbsuite.shared, and now dotest can share code with scripts, and it gives
>> us a nice place to put stuff that previously had been copied all around.
>> It also gives us a nice way to perform module-wide initialization that we
>> don't have to repeat in every single test, such as writing "import
>> lldb_shared" at the top of every file, since that can be done as part of
>> lldbsuite/__init__.py.
>> In any case, I have this all working on my machine, but I would like to
>> see if someone can try my patch out on other platforms.  The size of the
>> patch presents a problem though - it's over 7MB since it renames a very
>> large directory.
>> As usual, comments / concerns also welcome.
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