# Copyright 2016 IBM All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
The v2 Language Translation service
(https://www.ibm.com/watson/developercloud/language-translation.html)
"""
from __future__ import print_function
from .watson_service import WatsonService
[docs]class LanguageTranslationV2(WatsonService):
default_url = "https://gateway.watsonplatform.net/language-translation/api"
def __init__(self, url=default_url, **kwargs):
WatsonService.__init__(self, 'language_translation', url, **kwargs)
print(
'WARNING: The Language Translation service was deprecated, '
'please migrate to Language Translator.')
[docs] def identify(self, text):
"""
Identifies the language of given source text
"""
return self.request(method='POST', url='/v2/identify', data=text,
headers={'content-type': 'text/plain'},
accept_json=True)
[docs] def get_identifiable_languages(self):
return self.request(method='GET', url='/v2/identifiable_languages',
accept_json=True)
[docs] def get_models(self, default=None, source=None, target=None):
"""
Get the available models for translation
"""
params = {'default': default, 'source': source, 'target': target}
return self.request(method='GET', url='/v2/models', params=params,
accept_json=True)
[docs] def create_model(self, base_model_id, name=None, forced_glossary=None,
parallel_corpus=None,
monolingual_corpus=None):
if forced_glossary is None and parallel_corpus is None and \
monolingual_corpus is None:
raise ValueError('A glossary or corpus must be provided')
params = {'name': name,
'base_model_id': base_model_id}
files = {'forced_glossary': forced_glossary,
'parallel_corpus': parallel_corpus,
'monolingual_corpus': monolingual_corpus}
return self.request(method='POST', url='/v2/models', params=params,
files=files, accept_json=True)
[docs] def get_model(self, model_id):
return self.request(method='GET', url='/v2/models/{0}'
.format(model_id), accept_json=True)
[docs] def delete_model(self, model_id):
return self.request(method='DELETE',
url='/v2/models/{0}'.format(model_id),
accept_json=True)
[docs] def translate(self, text, source=None, target=None, model_id=None):
"""
Translates text from a source language to a target language
"""
if model_id is None and (source is None or target is None):
raise ValueError(
'Either model_id or source and target must be specified')
data = {'text': text, 'source': source, 'target': target,
'model_id': model_id}
# data=data or json=data
return self.request(method='POST', url='/v2/translate', json=data).text