def create_language(self, name):
try:
language = LanguageEntity.create(name = name)
language.put()
except DuplicatedEntityException:
raise LanguageException
return language
def list_languages(cls):
"""
Return the list of languages as a list of pairs:
((1, "Italian"), ...)
"""
languages = LanguageEntity.all().order('name').run()
list = [(language.key().id(), language.name) for language in languages]
return list
def find_by_id(cls, language_id):
return LanguageEntity.get_by_id(language_id)