[PD-dev] path for embedded examples

[Hans-Christoph Steiner]

On Apr 12, 2010, at 11:59 AM, Roman Haefeli wrote:

> On Mon, 2010-04-12 at 11:32 -0400, Hans-Christoph Steiner wrote:
>> On Apr 12, 2010, at 3:43 AM, Roman Haefeli wrote:
>>
>>> On Mon, 2010-04-12 at 09:33 +0200, Frank Barknecht wrote:
>>>> On Sat, Apr 10, 2010 at 11:01:22PM +0200, Roman Haefeli wrote:
>>>>> On Sat, 2010-04-10 at 13:25 -0400, Hans-Christoph Steiner wrote:
>>>>>> Part of the idea of a libdir is to also include examples.
>>>>>> Currently,
>>>>>> this is done using an 'examples' subfolder.  The problem with
>>>>>> that is
>>>>>> the example patches won't automatically find the objects from the
>>>>>> libdir that they are embedded in. So I'm wondering what the best
>>>>>> way
>>>>>> to handle this is.  Here are a couple ideas:
>>>>>>
>>>>>> - require [declare -path ..] for all example patches (works on  
>>>>>> any
>>>>>> branch of Pd)
>>>>>>
>>>>>> - instead of 'examples' folder, use mypatch-example.pd in the
>>>>>> main dir
>>>>>> of the libdir (works without extra tricks)
>>>>>>
>>>>>> - use [import mylib] for all example patches (works even when the
>>>>>> example patch is saved elsewhere)
>>>>>
>>>>> - use [declare -stdpath extra/mylib] for all example patches
>>>>> (works on
>>>>> any branch of Pd and works even when the example patch is saved
>>>>> elsewhere)
>>>>
>>>> I think, this doesn't work if "mylib" isn't installed or isn't
>>>> installed in
>>>> "extra".
>>>
>>> True. But since we're talking about example patches _coming with_
>>> certain libraries, I think it does make sense to assume that the
>>> original library is installed, and installed in "extra".
>>> Or am I missing something here?
>>
>>
>> Yeah, [declare -stdpath extra/mylib] requires the library to be in  
>> the
>> 'extra' folder.
>
> Isn't that the point of this exercise?
> Do we want the freedom to put the example files wherever we want or  
> are
> we looking for the freedom to put the library wherever we want? I was
> assuming the former, since usually you have the library installed at a
> fixed install location.

There needs to be a user-installed folder for libraries.  "extra" is  
not a user-installable location unless you are installing Pd yourself  
from source.

>>  [declare -path ..] will work anywhere that library
>> is, but won't work if the example is saved outside of the library
>> folder.
>
> Exactly.
>
>> Also, stdpath will add the library to the global path, right?
>
> No, it only affects the patch with the [declare] inside. At least on
> 0.42.5 vanilla. When loading binary externals, they're added the  
> global
> path (which is the same for all mechanisms).

Ah right, my mistake.  That demonstrates one reason why I avoid  
[declare] and made [import].  I can never remember what [declare]'s  
options mean. :-)

.hc


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