#!/usr/bin/env python import sklearn.feature_extraction as fe import pandas_ml as pdml import pandas_ml.util.testing as tm class TestFeatureExtraction(tm.TestCase): def test_objectmapper(self): df = pdml.ModelFrame([]) self.assertIs(df.feature_extraction.DictVectorizer, fe.DictVectorizer) self.assertIs(df.feature_extraction.FeatureHasher, fe.FeatureHasher) self.assertIs(df.feature_extraction.image.img_to_graph, fe.image.img_to_graph) self.assertIs(df.feature_extraction.image.grid_to_graph, fe.image.grid_to_graph) self.assertIs(df.feature_extraction.image.extract_patches_2d, fe.image.extract_patches_2d) self.assertIs(df.feature_extraction.image.reconstruct_from_patches_2d, fe.image.reconstruct_from_patches_2d) self.assertIs(df.feature_extraction.image.PatchExtractor, fe.image.PatchExtractor) self.assertIs(df.feature_extraction.text.CountVectorizer, fe.text.CountVectorizer) self.assertIs(df.feature_extraction.text.HashingVectorizer, fe.text.HashingVectorizer) self.assertIs(df.feature_extraction.text.TfidfTransformer, fe.text.TfidfTransformer) self.assertIs(df.feature_extraction.text.TfidfVectorizer, fe.text.TfidfVectorizer)