This is how I do it in one of my websites
in model:
SUPPORTED_LANGUAGES = ('en', 'pt') # or just load this from config
def pick_lang():
twoletter = session.lang or T.accepted_language[:2]
if twoletter in SUPPORTED_LANGUAGES:
T.force(twoletter)
return twoletter
else:
T.force('en')
return 'en'
LANG = pick_lang()
Then default.py
def language():
""" Switch the site language """
if request.args(0) in SUPPORTED_LANGUAGES:
session.lang = request.args(0)
redirect(request.vars._next)
In layout.html on the footer
<ul class="nav nav-pills language-switcher order-3 col-4">
<li role="presentation" {{if LANG == 'pt':}}class="active"{{pass}}
>
<a href="{{=URL('default', 'language', args='pt',
vars={'_next':URL(args=request.args, vars=request.vars)})}}">PT</a>
</li>
<li role="presentation" {{if LANG == 'en':}}class="active"{{pass}}
>
<a href="{{=URL('default', 'language', args='en',
vars={'_next':URL(args=request.args, vars=request.vars)})}}">EN</a>
</li>
</ul>
--
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