[TIP] Coming changes to unittest2 plugins
michael at voidspace.org.uk
Mon Sep 27 10:09:25 PDT 2010
On 27/09/2010 18:05, holger krekel wrote:
> On Mon, Sep 27, 2010 at 18:30 +0200, Tarek Ziadé wrote:
>> On Mon, Sep 27, 2010 at 5:36 PM, holger krekel<holger at merlinux.eu> wrote:
>>> Hi Tarek, Michael,
>>> On Mon, Sep 27, 2010 at 16:47 +0200, Tarek Ziadé wrote:
>>>> On Mon, Sep 27, 2010 at 4:33 PM, Michael Foord<michael at voidspace.org.uk> wrote:
>>> The advantage of this notation is that it's explicit and clear what
>>> is the module part and what is the object ...
>>>> see distutils2.util.resolve_name()
>>> whereas this helper requires to import the actual package.
>> Yes because the intent there was to load the location. You could
>> create the same kind of helper without loading the code actually, if
>> you just want to locate the module, as long as the packages that
>> contains them are defined in setup.py or setup.cfg. Granted, it
>> requires more work to find them.
> If package/module defs are done using wild-cards i still need to look
> around, though, right?
I don't know what this means - so my comment below doesn't really apply
to it. :-)
>>> I'd rather like to be able to derive as much information from
>>> the static distutils2 metadata as possible. Concretely, using
>>> "a.b.c" notation for entry points would make it harder to write
>>> a tool that takes setup.cfg and generates a setuptools-compliant
>>> setup.py. Or am i missing something?
>> Its harder but feasible.
>> Being able to convert easily the old notation to the new one is
>> important. Although I don't think the new notation should be created
>> with the pre-request that it will be easy to revert it to the old
>> notation. This is less important than having a notation that is clear
>> and simple imho.
> Well, If notation A can be safely converted into notation B but not
> the other way around i consider A a more explicit notation.
> "dotted object addresses" look simple but they are really hiding
> complexity (also due to Python's complicated import system).
> This is also indicated by the fact that distutils2.util.resolve_name
> has 20 lines of code (and easily gives meaningless errors, btw) whereas
> the "a.b:C" notation requires a brain-dead simple 2-liner to resolve.
But we should optimize for the user and not for the framework - right?
As the users here are Python developers, using the Python syntax for
specifying objects seems 'nicer'.
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