Re: [Zope-dev] zope.18n:translate() keyword arguments versus MessageID attributes

2010-10-29 Thread Michael Howitz
Am 27.10.2010 um 08:52 schrieb Christian Theune:
 On 10/27/2010 08:44 AM, Michael Howitz wrote:
[...]
 +1 But the `mapping` attribute should update the existing mapping of the 
 message ID as this would allow to have a partial mapping stored on the 
 message ID and add the other part when translating.
 
 Does this use case really appear that often?

I think of it as low hanging fruit.

 I see that there isn't much danger to doing that as the mappings 
 shouldn't be too large anyway and the code that processes them doesn't 
 allow for control structures based on their values so having superfluous 
 values wouldn't hurt and this behaviour would keep old code working.
 
 OTOH can you make a feature request for this so I can deal with it 
 separately?

https://bugs.launchpad.net/zope.i18n/+bug/668189 (Did not find out how to make 
a feature request, so filed it as bug.)


Yours sincerely,
-- 
Michael Howitz · m...@gocept.com · software developer
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http://gocept.com · tel +49 345 1229889 8 · fax +49 345 1229889 1
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Re: [Zope-dev] zope.18n:translate() keyword arguments versus MessageID attributes

2010-10-29 Thread Christian Theune
On 10/29/2010 08:26 AM, Michael Howitz wrote:
 Am 27.10.2010 um 08:52 schrieb Christian Theune:
 On 10/27/2010 08:44 AM, Michael Howitz wrote:
 [...]
 +1 But the `mapping` attribute should update the existing mapping of the 
 message ID as this would allow to have a partial mapping stored on the 
 message ID and add the other part when translating.

 Does this use case really appear that often?

 I think of it as low hanging fruit.

You're probably right.

 I see that there isn't much danger to doing that as the mappings
 shouldn't be too large anyway and the code that processes them doesn't
 allow for control structures based on their values so having superfluous
 values wouldn't hurt and this behaviour would keep old code working.

 OTOH can you make a feature request for this so I can deal with it
 separately?

 https://bugs.launchpad.net/zope.i18n/+bug/668189 (Did not find out how to 
 make a feature request, so filed it as bug.)

Make a bug and mark it wishlist. I've done that for your.

Christian

-- 
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gocept gmbh  co. kg · forsterstraße 29 · 06112 halle (saale) · germany
http://gocept.com · tel +49 345 1229889 0 · fax +49 345 1229889 1
Zope and Plone consulting and development
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Re: [Zope-dev] zope.18n:translate() keyword arguments versus MessageID attributes

2010-10-29 Thread Michael Howitz
Am 29.10.2010 um 08:36 schrieb Christian Theune:
[...]
 OTOH can you make a feature request for this so I can deal with it
 separately?
 
 https://bugs.launchpad.net/zope.i18n/+bug/668189 (Did not find out how to 
 make a feature request, so filed it as bug.)
 
 Make a bug and mark it wishlist. I've done that for your.

Huh, I'm not allowed to change the importance of this ticket.

Yours sincerely,
-- 
Michael Howitz · m...@gocept.com · software developer
gocept gmbh  co. kg · forsterstraße 29 · 06112 halle (saale) · germany
http://gocept.com · tel +49 345 1229889 8 · fax +49 345 1229889 1
Zope and Plone consulting and development

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Re: [Zope-dev] zope.18n:translate() keyword arguments versus MessageID attributes

2010-10-27 Thread Christian Theune
On 10/27/2010 08:44 AM, Michael Howitz wrote:
 Am 26.10.2010 um 16:13 schrieb Tres Seaver:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 On 10/26/2010 09:36 AM, Christian Theune wrote:
 Hi,

 I've fiddled a bit with
 https://bugs.edge.launchpad.net/zope.i18n/+bug/592753 and ended up with
 an unclear situation:

 The ``translate'' methods of both zope.i18n and ITranslationDomain have
 optional parameters for the domain/default/mapping attributes of a
 message ID.

 The message ID attributes always override the parameters but it is not
 said why. (I probed the tests and they at least verify that this is the
 case but don't state motivation.)

 As I had to chase this down for quite a while when I originally tried to
 call zope.i18n.translate() directly (for providing translated emails) it
 took me quite a while to understand what's going on.

 I see two possibilities for improving the situation:

 - don't implicitly ignore the parameters, but raise an exception if
both a message id and at least one of the parameters (domain/default
/mapping) is given and write some documentation that explains the
situation (what is happening and why)

 or

 - make the parameters take precedence over the message id attributes

 So - why not do the latter?

 I prefer the latter, and don't think we need a deprecation cycle for it:
 if the call site is passing in a mapping, that is presumably more
 specific than anything stored in the catalog.  I can't see how we would
 break anything here, as nobody is likely to have actually used the
 feature (since it is effectively a no-op).

 +1 But the `mapping` attribute should update the existing mapping of the 
 message ID as this would allow to have a partial mapping stored on the 
 message ID and add the other part when translating.

Does this use case really appear that often?

I see that there isn't much danger to doing that as the mappings 
shouldn't be too large anyway and the code that processes them doesn't 
allow for control structures based on their values so having superfluous 
values wouldn't hurt and this behaviour would keep old code working.

OTOH can you make a feature request for this so I can deal with it 
separately?

Christian

-- 
Christian Theune · c...@gocept.com
gocept gmbh  co. kg · forsterstraße 29 · 06112 halle (saale) · germany
http://gocept.com · tel +49 345 1229889 0 · fax +49 345 1229889 1
Zope and Plone consulting and development
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[Zope-dev] zope.18n:translate() keyword arguments versus MessageID attributes

2010-10-26 Thread Christian Theune
Hi,

I've fiddled a bit with 
https://bugs.edge.launchpad.net/zope.i18n/+bug/592753 and ended up with 
an unclear situation:

The ``translate'' methods of both zope.i18n and ITranslationDomain have 
optional parameters for the domain/default/mapping attributes of a 
message ID.

The message ID attributes always override the parameters but it is not 
said why. (I probed the tests and they at least verify that this is the 
case but don't state motivation.)

As I had to chase this down for quite a while when I originally tried to 
call zope.i18n.translate() directly (for providing translated emails) it 
took me quite a while to understand what's going on.

I see two possibilities for improving the situation:

- don't implicitly ignore the parameters, but raise an exception if
   both a message id and at least one of the parameters (domain/default
   /mapping) is given and write some documentation that explains the
   situation (what is happening and why)

or

- make the parameters take precendence over the message id attributes

So - why not do the latter?

Christian

-- 
Christian Theune · c...@gocept.com
gocept gmbh  co. kg · forsterstraße 29 · 06112 halle (saale) · germany
http://gocept.com · tel +49 345 1229889 0 · fax +49 345 1229889 1
Zope and Plone consulting and development

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Re: [Zope-dev] zope.18n:translate() keyword arguments versus MessageID attributes

2010-10-26 Thread Tres Seaver
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 10/26/2010 09:36 AM, Christian Theune wrote:
 Hi,
 
 I've fiddled a bit with 
 https://bugs.edge.launchpad.net/zope.i18n/+bug/592753 and ended up with 
 an unclear situation:
 
 The ``translate'' methods of both zope.i18n and ITranslationDomain have 
 optional parameters for the domain/default/mapping attributes of a 
 message ID.
 
 The message ID attributes always override the parameters but it is not 
 said why. (I probed the tests and they at least verify that this is the 
 case but don't state motivation.)
 
 As I had to chase this down for quite a while when I originally tried to 
 call zope.i18n.translate() directly (for providing translated emails) it 
 took me quite a while to understand what's going on.
 
 I see two possibilities for improving the situation:
 
 - don't implicitly ignore the parameters, but raise an exception if
both a message id and at least one of the parameters (domain/default
/mapping) is given and write some documentation that explains the
situation (what is happening and why)
 
 or
 
 - make the parameters take precendence over the message id attributes
 
 So - why not do the latter?

I prefer the latter, and don't think we need a deprecation cycle for it:
 if the call site is passing in a mapping, that is presumably more
specific than anything stored in the catalog.  I can't see how we would
break anything here, as nobody is likely to have actually used the
feature (since it is effectively a no-op).


Tres.
- -- 
===
Tres Seaver  +1 540-429-0999  tsea...@palladion.com
Palladion Software   Excellence by Designhttp://palladion.com
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Re: [Zope-dev] zope.18n:translate() keyword arguments versus MessageID attributes

2010-10-26 Thread Charlie Clark
Am 26.10.2010, 16:13 Uhr, schrieb Tres Seaver tsea...@palladion.com:

 I prefer the latter, and don't think we need a deprecation cycle for it:
  if the call site is passing in a mapping, that is presumably more
 specific than anything stored in the catalog.  I can't see how we would
 break anything here, as nobody is likely to have actually used the
 feature (since it is effectively a no-op).

+1

Some additional justification - it's inconsistent to have different  
behaviour for message id's and local strings plus it basically defeats the  
purpose of domains if you can't override the system values in the  
application.

Charlie
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Managing Director
Clark Consulting  Research
German Office
Helmholtzstr. 20
Düsseldorf
D- 40215
Tel: +49-211-600-3657
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