> Right now I'm trying to send request.translate to SignupForm via:
>
> @view_config(...)
> def signup(request):
> customer = Customer()
> form = SignupForm(request.POST, customer, _=request.translate)
> ...
I guess this can't work either, for the same reason. But this gave me an
idea :-)
Basically, the problem is that the form definition is evaluated at
initialization time, but the translation proper must be done only during
each request.
So, I tried this, and it works for me (Deform + Mako): I created a
"_lazy" class, which is a replacement for "_" :
from pyramid.threadlocal import get_current_request
class _lazy(object):
def __init__(self, msg):
self.msg = msg
def __str__(self):
request = get_current_request()
return request.translate(self.msg)
(Yes, I know, using "get_current_request" should be avoided as much as
possible ;-)
http://docs.pylonsproject.org/projects/pyramid/en/latest/api/threadlocal.html)
So, when my form is defined, each message is instantiated as a "_lazy"
object:
class SignupForm(Form):
firstname = TextField(_lazy(u'First name'),
[validators.Required(message=_lazy(u'This field is required.'))])
lastname = TextField(_lazy(u'Last name'),
[validators.Required(message=_lazy(u'This field is required.'))])
Then, I'm supposing that when the templating system renders the
TextFields into HTML, it will convert them to strings/unicode/...
That's why I do the actual translation in the __str__ method, using the
get_current_request() request.
Hope this helps,
Laurent.
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