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| 1 | +# Copyright 2015 IBM All Rights Reserved. |
| 2 | +# |
| 3 | +# Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +# you may not use this file except in compliance with the License. |
| 5 | +# You may obtain a copy of the License at |
| 6 | +# |
| 7 | +# http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +# |
| 9 | +# Unless required by applicable law or agreed to in writing, software |
| 10 | +# distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +# See the License for the specific language governing permissions and |
| 13 | +# limitations under the License. |
| 14 | + |
| 15 | +""" |
| 16 | +The v2 Language Translator service |
| 17 | +(https://http://www.ibm.com/smarterplanet/us/en/ibmwatson/developercloud/language-translator.html) |
| 18 | +""" |
| 19 | + |
| 20 | +from .watson_developer_cloud_service import WatsonDeveloperCloudService |
| 21 | +from .watson_developer_cloud_service import WatsonInvalidArgument |
| 22 | + |
| 23 | + |
| 24 | +class LanguageTranslatorV2(WatsonDeveloperCloudService): |
| 25 | + default_url = "https://gateway.watsonplatform.net/language-translator/api" |
| 26 | + |
| 27 | + def __init__(self, url=default_url, **kwargs): |
| 28 | + WatsonDeveloperCloudService.__init__( |
| 29 | + self, 'language_translator', url, **kwargs) |
| 30 | + |
| 31 | + def identify(self, text): |
| 32 | + """ |
| 33 | + Identifies the language of given source text |
| 34 | + """ |
| 35 | + return self.request(method='POST', url='/v2/identify', data=text, headers={'content-type': 'text/plain'}, |
| 36 | + accept_json=True) |
| 37 | + |
| 38 | + def get_identifiable_languages(self): |
| 39 | + return self.request(method='GET', url='/v2/identifiable_languages', accept_json=True) |
| 40 | + |
| 41 | + def get_models(self, default=None, source=None, target=None): |
| 42 | + """ |
| 43 | + Get the available models for translation |
| 44 | + """ |
| 45 | + params = {'default': default, 'source': source, 'target': target} |
| 46 | + return self.request(method='GET', url='/v2/models', params=params, accept_json=True) |
| 47 | + |
| 48 | + def create_model(self, base_model_id, name=None, forced_glossary=None, parallel_corpus=None, |
| 49 | + monolingual_corpus=None): |
| 50 | + if forced_glossary is None and parallel_corpus is None and monolingual_corpus is None: |
| 51 | + raise WatsonInvalidArgument('A glossary or corpus must be provided') |
| 52 | + params = {'name': name, |
| 53 | + 'base_model_id': base_model_id} |
| 54 | + files = {'forced_glossary': forced_glossary, |
| 55 | + 'parallel_corpus': parallel_corpus, |
| 56 | + 'monolingual_corpus': monolingual_corpus} |
| 57 | + return self.request(method='POST', url='/v2/models', params=params, files=files, accept_json=True) |
| 58 | + |
| 59 | + def get_model(self, model_id): |
| 60 | + return self.request(method='GET', url='/v2/models/{0}'.format(model_id), accept_json=True) |
| 61 | + |
| 62 | + def delete_model(self, model_id): |
| 63 | + return self.request(method='DELETE', url='/v2/models/{0}'.format(model_id), accept_json=True) |
| 64 | + |
| 65 | + def translate(self, text, source=None, target=None, model=None): |
| 66 | + """ |
| 67 | + Translates text from a source language to a target language |
| 68 | + """ |
| 69 | + if model is None and (source is None or target is None): |
| 70 | + raise WatsonInvalidArgument('Either model or source and target must be specified') |
| 71 | + |
| 72 | + data = {'text': text, 'source': source, 'target': target, 'model': model} |
| 73 | + |
| 74 | + # data=data or json=data |
| 75 | + return self.request(method='POST', url='/v2/translate', json=data).text |
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