ok this is a little bit complex problem (at least for me)
let's supose that I've a model like this one:
class News(models.Model):
name = CharField(max_length=200, unique=True)
body = TextField()
usually I put a slug field like this one
slug = CharField(max_length=200, unique=True, blank=True)
and instead of using models.Model as parent class I use this one:
class UniqueSlugFromName(models.Model):
class Meta:
abstract = True
def save(self):
"""Auto-populate an empty slug field from the MyModel name and
if it conflicts with an existing slug then append a number and try
saving again.
name = original
slug = the slug
"""
if not self.slug:
self.slug = slugify(self.name) # Where self.name is the
field used for 'pre-populate from'
while True:
try:
super(UniqueSlugFromName, self).save()
# Assuming the IntegrityError is due to a slug fight
except IntegrityError:
match_obj = re.match(r'^(.*)-(\d+)$', self.slug)
if match_obj:
next_int = int(match_obj.group(2)) + 1
self.slug = match_obj.group(1) + '-' + str(next_int)
else:
self.slug += '-2'
else:
break
so the Model class is now something like this:
class News(models.Model):
name = CharField(max_length=200, unique=True)
body = TextField()
slug = CharField(max_length=200, unique=True, blank=True)
in this way every slug field is populated with the slugify version of
the name field.
now I need to translate the 2 fields name and body so instead of the
above class I change this like this one
class News(models.Model):
slug = CharField(max_length=200, unique=True, blank=True)
class Translation(multilingual.Translation):
name = CharField(max_length=200)
body = TextField()
but now the slug field is populated with the value of "none" I think
because the value of the fields is not yet in the database
moreover I should need translatable slug too so I can request the page
with all its urls for example
/news/hello-I-am-a-news/ -> content in english
/news/sono-una-news/ -> content in italian
is there a way to solve this problem ?
cheers
Marco
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