Django behavior on translatable URL patterns (i18n_patterns) when prefix_default_language=False is used.

[Anthony Baillard]

I have reported a few days ago an issue in Django 4.2 regarding 
translatable URL patterns: https://code.djangoproject.com/ticket/34515 

Sarah Boyce (thank you Sarah) is working on a patch to fix the 404 issue: 
https://github.com/django/django/pull/16797 

But, for now, we do not agree on the correct behavior in the case 
described. So, as she suggested (
https://github.com/django/django/pull/16797#issuecomment-1524958085), I 
write to ask the community. 

In brief: 

1. Using i18n_patterns with default_prefix_language = True with 3 different 
languages (perfectly OK): 
- */en/about/* goes to English page 
- */es/a-proposito/* goes to Spanish page 
- */fr/a-propos/* goes to French page 

2. Using i18n_patterns with default_prefix_language = False with 3 
different languages and default to english (perfectly OK): 
- about/ goes to English page 
- */es/a-proposito/* goes to Spanish page 
- */fr/a-propos/* goes to French page 

3. Using i18n_patterns with default_prefix_language = False with 3 
different languages and default to french in Django 4.1 (seems OK to me): 
- */en/about/* goes to English page 
- */es/a-proposito/* goes to Spanish page 
- */a-propos/* goes to French page 

4. Using i18n_patterns with default_prefix_language = False with 3 
different languages and default to french in Django 4.2 (bug report): 
- */en/about/* goes to English page 
- */es/a-proposito/* goes to Spanish page 
- */a-propos/* raises HTTP 404 (because cookie or http header is not 'fr') 

5. Using i18n_patterns with default_prefix_language = False with 3 
different languages and default to french with Sarah's patch (what we do 
not agree on): 
- */en/about/* goes to English page 
- */es/a-proposito/* goes to Spanish page 
- */a-propos/* redirects to */en/about/* (because cookie or http header is 
'en') 

IMO, behavior 3 is good (because it reproduces 1 without prefix). Sarah's 
and Nessita's opinion is that behavior 5 is correct. 
More details in the issues and PR. 

So, what do you think? Thank you! 

Anthony 

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Re: Django behavior on translatable URL patterns (i18n_patterns) when prefix_default_language=False is used.

[Mariusz Felisiak]

Anthony, please don't start the same discussion on multiple channels.

If anyone wants to add a comment, please do so in the forum 

.

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