Example #1
0
def call_find_template_set(arg_json, arg_nlp, arg_templates):
    examples = LabeledExample.read(arg_json)
    indices = [e.index for e in examples.itervalues()]
    natural_language = {i: NLP.read(arg_nlp, i) for i in indices}
    word_problems = [WordProblem(examples[i], natural_language[i])
                     for i in indices]
    templates = [wp.extract_template() for wp in word_problems]

    unique = list()
    wp_template_map = dict()
    for wp in word_problems:
        template = wp.template
        wp_index = wp.labeled_example.index
        found_template = False
        for unique_i, u in enumerate(unique):
            if template == u:
                wp_template_map[wp_index] = unique_i
                found_template = True
                break

        if not found_template:
            unique.append(template)
            wp_template_map[wp_index] = len(unique) - 1

    print('{} total and {} unique templates'.format(len(templates),
                                                    len(unique)))
    with open(arg_templates, 'wt') as f_handle:
        out_json = {'templates': [t.to_json() for t in unique],
                    'wp_template_map': wp_template_map}
        f_handle.write(json.dumps(out_json))
Example #2
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def call_extract_features(arg_json, arg_nlp, arg_templates, arg_parameters):
    examples = LabeledExample.read(arg_json)
    indices = [e.index for e in examples.itervalues()]
    natural_language = {i: NLP.read(arg_nlp, i) for i in indices}
    word_problems = [WordProblem(examples[i], natural_language[i])
                     for i in indices]

    with open(arg_templates, 'rt') as f_handle:
        raw = f_handle.read()

    parsed = json.loads(raw)
    unique_templates = [Template.from_json(j) for j in parsed['templates']]
    # TODO(Eric): using only 2 word problems for testing
    unique_templates = unique_templates[:2]
    word_problems = word_problems[:2]

    feature_extractor = FeatureExtractor(unique_templates, word_problems)
    derivations = initialize_partial_derivations_for_all_templates(
        word_problems[0], unique_templates)
    derivation = derivations[0]
    while not derivation.is_complete():
        derivation = derivation.all_ways_to_fill_next_slot()[0]

    print(feature_extractor.extract(derivation))
    print(derivation)
Example #3
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def call_count_unique(arg_json, arg_unique, arg_nlp):
    examples = LabeledExample.read(arg_json)
    templates = list()
    for index in arg_unique:
        example = examples[index]
        natural_language = NLP.read(arg_nlp, index)
        wp = WordProblem(example, natural_language)
        templates.append(wp.extract_template())

    print(len(set(templates)))
    print(json.dumps([t.to_json() for t in templates]))
Example #4
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def call_print(arg_json, arg_index, arg_nlp):
    examples = LabeledExample.read(arg_json)
    example = examples[arg_index]
    natural_language = NLP.read(arg_nlp, arg_index)
    wp = WordProblem(example, natural_language)
    wp.extract_template()
    print(wp)
    print('questions: {}'
          .format([(s.as_text(), s.object_of_sentence())
                   for s in wp.nlp.questions().itervalues()]))
    print('commands: {}'
          .format([(s.as_text(), s.object_of_sentence())
                   for s in wp.nlp.commands().itervalues()]))
Example #5
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def call_fold(arg_testfold, arg_numfolds, arg_foldoutput,
              arg_json, arg_nlp, arg_templates, arg_parameters):
    examples = LabeledExample.read(arg_json)
    indices = [e.index for e in examples.itervalues()][:5]  # TODO just 5 for testing
    natural_language = {i: NLP.read(arg_nlp, i) for i in indices}
    word_problems = [WordProblem(examples[i], natural_language[i])
                     for i in indices]

    fold_indices = make_fold_indices(arg_numfolds, len(word_problems))
    test_indices = fold_indices.pop(arg_testfold)
    train_indices = list()
    for per_fold in fold_indices:
        train_indices.extend(per_fold)

    with open(arg_templates, 'rt') as f_handle:
        raw = f_handle.read()

    parsed = json.loads(raw)
    unique_templates = [Template.from_json(j) for j in parsed['templates']]
    wp_template_map = {int(k): v
                       for k, v in parsed['wp_template_map'].iteritems()}

    train_wps = [word_problems[i] for i in train_indices]
    train_templates_indices = list({wp_template_map[wp.labeled_example.index]
                                    for wp in train_wps})
    remap_templates = {wp.labeled_example.index:
                       train_templates_indices.index(
                           wp_template_map[wp.labeled_example.index])
                       for wp in train_wps}
    train_templates = [unique_templates[i] for i in train_templates_indices]

    feature_extractor = FeatureExtractor(train_templates, train_wps)
    classifier = optimize_parameters(feature_extractor, train_wps,
                                     train_templates, remap_templates)
    with open(arg_parameters, 'wt') as f_handle:
        f_handle.write(json.dumps(classifier.to_json()))

    correct = 0
    for test_i in test_indices:
        test_wp = word_problems[test_i]
        correct += classifier.solve(test_wp)
    print('{} correct out of {}'.format(correct, len(test_indices)))
Example #6
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 def print_prediction_from_file(file_name: str,
                                description: str = None) -> None:
     print_prediction(LabeledExample(recording_directory / file_name),
                      description=description)
Example #7
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 def predict(sample: LabeledExample) -> str:
     return wav2letter.predict_single(
         sample.z_normalized_transposed_spectrogram())
Example #8
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 def example(audio_file: Path) -> LabeledExample:
     return LabeledExample(audio_file, label_from_id=lambda id: self._remove_tags_to_ignore(
         labels_with_tags_by_id[id]),
                           mel_frequency_count=self.mel_frequency_count,
                           original_label_with_tags_from_id=lambda id: labels_with_tags_by_id[id])
Example #9
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    def record_to_file(self, path: Path) -> LabeledExample:
        "Records from the microphone and outputs the resulting data to 'path'. Returns a labeled example for analysis."
        librosa.output.write_wav(str(path), self.record(), self.sample_rate)

        return LabeledExample(path)