Re: [Zope-dev] How can I force the language for a particular template rendering?

2009-04-17 Thread Ethan Jucovy
How about just monkeypatching the active negotiator?

{{{
negotiator = getUtility(zope.i18n.interfaces.INegotiator)
orig = negotiator.getLanguage
negotiator.getLanguage = lambda foo, bar: 'fr'
text = my_page_template()
negotiator.getLanguage = orig
}}}

Haven't tested it, but in my (limited) understanding of the I18N system
something like that ought to work..

egj

On Fri, Apr 17, 2009 at 3:14 PM, Chris Withers ch...@simplistix.co.ukwrote:

 Hi All,

 What I want to do is best shown in pseudocode:

 something.setLanguage('fr')
 text = my_page_template()
 something.restoreLanguage()

 ...the reason I want to do this is that the results of that template
 will not be in the language negotiated for the current user, as the
 result is then emailed to someone who may not be speaking the same
 language as them.

 I can't find a way to specify a target_language that overrides the
 negotiated language into the ZPT rendering process. Is there such a way?

 Suggestions welcomed!

 Chris
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Re: [Zope-dev] How can I force the language for a particular template rendering?

2009-04-17 Thread Hanno Schlichting
Ethan Jucovy wrote:
 How about just monkeypatching the active negotiator?
 
 {{{
 negotiator = getUtility(zope.i18n.interfaces.INegotiator)
 orig = negotiator.getLanguage
 negotiator.getLanguage = lambda foo, bar: 'fr'
 text = my_page_template()
 negotiator.getLanguage = orig
 }}}
 
 Haven't tested it, but in my (limited) understanding of the I18N system
 something like that ought to work..

As the default negotiator is based on the request, it might be possible
to forge a different request object for the template.

Or attach a marker interface to the request and register a different
IUserPreferredLanguages adapter for it. A more specialized version
should take precedence over the normal adapter based on the HTTP header.

Hanno

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Re: [Zope-dev] How can I force the language for a particular template rendering?

2009-04-17 Thread Ethan Jucovy
Actually -- for a more proper solution -- I believe
zope.i18n.interfaces.IUserPreferredLanguages is expected to adapt a request
(rather than being a contextless utility) so I bet you could register a
custom IUserPreferredLanguages whose getPreferredLanguages returns ['fr'] on
an IForceLanguage interface, and mark the current request with
IForceLanguage before rendering the template.

egj

On Fri, Apr 17, 2009 at 3:35 PM, Ethan Jucovy ethan.juc...@gmail.comwrote:

 How about just monkeypatching the active negotiator?

 {{{
 negotiator = getUtility(zope.i18n.interfaces.INegotiator)
 orig = negotiator.getLanguage
 negotiator.getLanguage = lambda foo, bar: 'fr'
 text = my_page_template()
 negotiator.getLanguage = orig
 }}}

 Haven't tested it, but in my (limited) understanding of the I18N system
 something like that ought to work..

 egj


 On Fri, Apr 17, 2009 at 3:14 PM, Chris Withers ch...@simplistix.co.ukwrote:

 Hi All,

 What I want to do is best shown in pseudocode:

 something.setLanguage('fr')
 text = my_page_template()
 something.restoreLanguage()

 ...the reason I want to do this is that the results of that template
 will not be in the language negotiated for the current user, as the
 result is then emailed to someone who may not be speaking the same
 language as them.

 I can't find a way to specify a target_language that overrides the
 negotiated language into the ZPT rendering process. Is there such a way?

 Suggestions welcomed!

 Chris



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Re: [Zope-dev] How can I force the language for a particular template rendering?

2009-04-17 Thread Ethan Jucovy
Actually -- for a more proper solution -- I believe
zope.i18n.interfaces.IUserPreferredLanguages is expected to adapt a request
(rather than being a contextless utility) so I bet you could register a
custom IUserPreferredLanguages whose getPreferredLanguages returns ['fr'] on
an IForceLanguage interface, and mark the current request with
IForceLanguage before rendering the template.

egj

On Fri, Apr 17, 2009 at 3:35 PM, Ethan Jucovy ethan.juc...@gmail.comwrote:

 How about just monkeypatching the active negotiator?

 {{{
 negotiator = getUtility(zope.i18n.interfaces.INegotiator)
 orig = negotiator.getLanguage
 negotiator.getLanguage = lambda foo, bar: 'fr'
 text = my_page_template()
 negotiator.getLanguage = orig
 }}}

 Haven't tested it, but in my (limited) understanding of the I18N system
 something like that ought to work..

 egj


 On Fri, Apr 17, 2009 at 3:14 PM, Chris Withers ch...@simplistix.co.ukwrote:

 Hi All,

 What I want to do is best shown in pseudocode:

 something.setLanguage('fr')
 text = my_page_template()
 something.restoreLanguage()

 ...the reason I want to do this is that the results of that template
 will not be in the language negotiated for the current user, as the
 result is then emailed to someone who may not be speaking the same
 language as them.

 I can't find a way to specify a target_language that overrides the
 negotiated language into the ZPT rendering process. Is there such a way?

 Suggestions welcomed!

 Chris



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