Esempio n. 1
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    def test_getitem_dense2gensim(self):

        corpus = ShardedCorpus(self.tmp_fname,
                               self.data,
                               shardsize=100,
                               dim=self.dim,
                               sparse_serialization=False,
                               gensim=True)

        item = corpus[3]
        self.assertTrue(isinstance(item, list))
        self.assertTrue(isinstance(item[0], tuple))

        dslice = corpus[2:6]
        self.assertTrue(next(dslice) == corpus[2])
        dslice = list(dslice)
        self.assertTrue(isinstance(dslice, list))
        self.assertTrue(isinstance(dslice[0], list))
        self.assertTrue(isinstance(dslice[0][0], tuple))

        iscorp, _ = is_corpus(dslice)
        self.assertTrue(
            iscorp, "Is the object returned by slice notation "
            "a gensim corpus?")

        ilist = corpus[[2, 3, 4, 5]]
        self.assertTrue(next(ilist) == corpus[2])
        ilist = list(ilist)
        self.assertTrue(isinstance(ilist, list))
        self.assertTrue(isinstance(ilist[0], list))
        self.assertTrue(isinstance(ilist[0][0], tuple))

        # From generators to lists

        self.assertEqual(len(ilist), len(dslice))
        for i in xrange(len(ilist)):
            self.assertEqual(
                len(ilist[i]), len(dslice[i]),
                "Row %d: dims %d/%d" % (i, len(ilist[i]), len(dslice[i])))
            for j in xrange(len(ilist[i])):
                self.assertEqual(
                    ilist[i][j], dslice[i][j],
                    "ilist[%d][%d] = %s ,dslice[%d][%d] = %s" %
                    (i, j, str(ilist[i][j]), i, j, str(dslice[i][j])))

        iscorp, _ = is_corpus(ilist)
        self.assertTrue(
            iscorp, "Is the object returned by list notation "
            "a gensim corpus?")
Esempio n. 2
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    def test_getitem_dense2gensim(self):

        corpus = ShardedCorpus(self.tmp_fname, self.data, shardsize=100,
                               dim=self.dim, sparse_serialization=False,
                               gensim=True)

        item = corpus[3]
        self.assertTrue(isinstance(item, list))
        self.assertTrue(isinstance(item[0], tuple))

        dslice = corpus[2:6]
        self.assertTrue(next(dslice) == corpus[2])
        dslice = list(dslice)
        self.assertTrue(isinstance(dslice, list))
        self.assertTrue(isinstance(dslice[0], list))
        self.assertTrue(isinstance(dslice[0][0], tuple))

        iscorp, _ = is_corpus(dslice)
        self.assertTrue(iscorp, "Is the object returned by slice notation "
                                "a gensim corpus?")

        ilist = corpus[[2, 3, 4, 5]]
        self.assertTrue(next(ilist) == corpus[2])
        ilist = list(ilist)
        self.assertTrue(isinstance(ilist, list))
        self.assertTrue(isinstance(ilist[0], list))
        self.assertTrue(isinstance(ilist[0][0], tuple))

        # From generators to lists

        self.assertEqual(len(ilist), len(dslice))
        for i in xrange(len(ilist)):
            self.assertEqual(len(ilist[i]), len(dslice[i]),
                             "Row %d: dims %d/%d" % (i, len(ilist[i]),
                                                     len(dslice[i])))
            for j in xrange(len(ilist[i])):
                self.assertEqual(ilist[i][j], dslice[i][j],
                                 "ilist[%d][%d] = %s ,dslice[%d][%d] = %s" % (
                                     i, j, str(ilist[i][j]), i, j,
                                     str(dslice[i][j])))


        iscorp, _ = is_corpus(ilist)
        self.assertTrue(iscorp, "Is the object returned by list notation "
                                "a gensim corpus?")
Esempio n. 3
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    def setUp(self):
        self.dim = 1000
        self.random_string = ''.join([random.choice('1234567890') for _ in xrange(8)])
        self.tmp_dir = 'test-temp-' + self.random_string
        os.makedirs(self.tmp_dir)

        self.tmp_fname = os.path.join(self.tmp_dir,
                                      'shcorp.' + self.random_string + '.tmp')
        self.data = mock_data(dim=1000)
        self.corpus = ShardedCorpus(self.tmp_fname, self.data, dim=self.dim,
                                    shardsize=100)
Esempio n. 4
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    def setUp(self):
        self.dim = 1000
        self.random_string = ''.join([random.choice('1234567890') for _ in xrange(8)])
        self.tmp_dir = 'test-temp-' + self.random_string
        os.makedirs(self.tmp_dir)

        self.tmp_fname = os.path.join(self.tmp_dir,
                                      'shcorp.' + self.random_string + '.tmp')
        self.data = mock_data(dim=1000)
        self.corpus = ShardedCorpus(self.tmp_fname, self.data, dim=self.dim,
                                    shardsize=100)
Esempio n. 5
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    def test_getitem(self):

        _ = self.corpus[130]
        # Does retrieving the item load the correct shard?
        self.assertEqual(self.corpus.current_shard_n, 1)

        item = self.corpus[220:227]

        self.assertEqual((7, self.corpus.dim), item.shape)
        self.assertEqual(self.corpus.current_shard_n, 2)

        for i in xrange(220, 227):
            self.assertTrue(np.array_equal(self.corpus[i], item[i-220]))
Esempio n. 6
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    def test_resize(self):

        dataset = ShardedCorpus(self.tmp_fname, self.data, shardsize=100,
                                dim=self.dim)

        self.assertEqual(10, dataset.n_shards)

        dataset.resize_shards(250)

        self.assertEqual(4, dataset.n_shards)
        for n in xrange(dataset.n_shards):
            fname = dataset._shard_name(n)
            self.assertTrue(os.path.isfile(fname))
Esempio n. 7
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    def test_getitem(self):

        _ = self.corpus[130]
        # Does retrieving the item load the correct shard?
        self.assertEqual(self.corpus.current_shard_n, 1)

        item = self.corpus[220:227]

        self.assertEqual((7, self.corpus.dim), item.shape)
        self.assertEqual(self.corpus.current_shard_n, 2)

        for i in xrange(220, 227):
            self.assertTrue(numpy.array_equal(self.corpus[i], item[i - 220]))
Esempio n. 8
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    def test_resize(self):

        dataset = ShardedCorpus(self.tmp_fname, self.data, shardsize=100,
                                dim=self.dim)

        self.assertEqual(10, dataset.n_shards)

        dataset.resize_shards(250)

        self.assertEqual(4, dataset.n_shards)
        for n in xrange(dataset.n_shards):
            fname = dataset._shard_name(n)
            self.assertTrue(os.path.isfile(fname))