How to use new_tmp_dir method in localstack

Best Python code snippet using localstack_python

test_filesystems.py

Source:test_filesystems.py

1import pytest2from lume_services.services.files.filesystems import (3    MountedFilesystem,4    LocalFilesystem,5    PathNotInMount,6)7from lume_services.files.serializers.text import TextSerializer8@pytest.fixture(scope="module", autouse=True)9def text_serializer():10    return TextSerializer()11class TestLocalFilesystem:12    @pytest.fixture(scope="class")13    def test_local_filesystem(self):14        return LocalFilesystem()15    def test_local_filesystem_dir_exists(self, test_local_filesystem, tmp_path):16        assert test_local_filesystem.dir_exists(tmp_path, create_dir=False)17    def test_local_filesystem_create_dir(self, test_local_filesystem, tmp_path):18        new_tmp_dir = f"{tmp_path}/placeholder_dr"19        test_local_filesystem.create_dir(new_tmp_dir)20        assert test_local_filesystem.dir_exists(new_tmp_dir, create_dir=False)21    def test_local_filesystem_dir_exist_create(self, test_local_filesystem, tmp_path):22        new_tmp_dir = f"{tmp_path}/placeholder_dr"23        # create dir24        assert test_local_filesystem.dir_exists(new_tmp_dir, create_dir=True)25        assert test_local_filesystem.dir_exists(new_tmp_dir, create_dir=False)26    def test_local_filesystem_read_write(27        self, test_local_filesystem, tmp_path, text_serializer28    ):29        tmp_file = f"{tmp_path}/test.txt"30        text = "test text"31        # write32        test_local_filesystem.write(tmp_file, text, text_serializer)33        assert test_local_filesystem.file_exists(tmp_file)34        # read35        new_text = test_local_filesystem.read(tmp_file, text_serializer)36        assert new_text == text37    def test_local_filesystem_create_dir_on_write(38        self, test_local_filesystem, tmp_path, text_serializer39    ):40        tmp_file = f"{tmp_path}/tmp_dir2/test.txt"41        text = "test text"42        # fail on no directory creation43        with pytest.raises(FileNotFoundError):44            test_local_filesystem.write(45                tmp_file, text, text_serializer, create_dir=False46            )47        # succeed on creation48        test_local_filesystem.write(tmp_file, text, text_serializer, create_dir=True)49class TestMountedFilesystem:50    @pytest.fixture()51    def test_mounted_filesystem(self, tmp_path, fs):52        return MountedFilesystem(mount_alias="/test_base", mount_path=str(tmp_path))53    def test_mounted_filesystem_dir_does_not_exist(self, test_mounted_filesystem, fs):54        assert not test_mounted_filesystem.dir_exists(55            test_mounted_filesystem.mount_alias, create_dir=False56        )57    def test_mounted_filesystem_dir_does_not_exist_on_file_read(58        self, test_mounted_filesystem, text_serializer, fs59    ):60        tmp_file = "/some_unknown_dir/test.txt"61        text = "test text"62        # write63        with pytest.raises(PathNotInMount):64            test_mounted_filesystem.write(65                tmp_file, text, text_serializer, create_dir=False66            )67    def test_mounted_filesystem_dir_exists(self, test_mounted_filesystem):68        assert test_mounted_filesystem.dir_exists(69            test_mounted_filesystem.mount_alias, create_dir=True70        )71    def test_mounted_filesystem_create_dir(self, test_mounted_filesystem):72        new_tmp_dir = f"{test_mounted_filesystem.mount_alias}/placeholder_dir"73        test_mounted_filesystem.create_dir(new_tmp_dir)74        assert test_mounted_filesystem.dir_exists(new_tmp_dir, create_dir=False)75    def test_mounted_filesystem_dir_exist_create(self, test_mounted_filesystem):76        new_tmp_dir = f"{test_mounted_filesystem.mount_alias}/placeholder_dir"77        # create dir78        assert test_mounted_filesystem.dir_exists(new_tmp_dir, create_dir=True)79        assert test_mounted_filesystem.dir_exists(new_tmp_dir, create_dir=False)80    def test_mounted_filesystem_read_write(81        self, test_mounted_filesystem, text_serializer82    ):83        tmp_file = f"{test_mounted_filesystem.mount_alias}/test.txt"84        text = "test text"85        # write86        test_mounted_filesystem.write(tmp_file, text, text_serializer, create_dir=True)87        assert test_mounted_filesystem.file_exists(tmp_file)88        # read89        new_text = test_mounted_filesystem.read(tmp_file, text_serializer)90        assert new_text == text91    def test_mounted_filesystem_create_dir_on_write(92        self, test_mounted_filesystem, text_serializer93    ):94        tmp_file = f"{test_mounted_filesystem.mount_alias}/tmp_dir2/test.txt"95        text = "test text"96        # fail on no directory creation97        with pytest.raises(FileNotFoundError):98            test_mounted_filesystem.write(99                tmp_file, text, text_serializer, create_dir=False100            )101        # succeed on creation...

segmentation.py

Source:segmentation.py

1from collections import deque2from itertools import islice3import numpy as np4from scipy.io.wavfile import read, write5import os678class Segmentation:910    def __init__(self):11        self.Y = []12        self.metas = []13        self.new_tmp_dirs = []1415    def segment_all(self, data, window_size, overlap, tmp_dir_id):16        """17        Call segmentation function on all audio clips1819        :param data: input data20        :param window_size: window size21        :param overlap: overlap22        :param tmp_dir_id: hash of temporary directory23        :return: segmented data24        """2526        for i in range(len(data.metas)):27            if os.path.isfile(data.metas[i][1]):28                filename = data.metas[i][1]29            else:30                filename = data.metas[i][1].split(".wav")[0]31            framerate, X = read(filename)32            if len(X.shape) > 1:33                X = X[:, 0]34            self.segmentation(X, data.metas[i], data.Y[i], window_size, overlap, tmp_dir_id)3536        return np.array(self.Y), self.metas, self.new_tmp_dirs3738    def segmentation(self, data, metas, target_class, window_size, overlap, tmp_dir_id):39        """40        Call sliding_window function to segment audio clip and temporarily write them in the specified folder4142        :param data: data for one sound clip43        :param metas: meta data44        :param target_class: sound clip category45        :param window_size: window size46        :param overlap: overlap47        :param tmp_dir_id: hash of temporary directory48        :return: Void -> append data to variables declared in __init__49        """5051        if window_size == "" or window_size == "0":52            window_size = 153        if overlap == "" or overlap == "0":54            overlap = 155        window_size = int(metas[-1] * float(window_size))56        overlap = int(metas[-1] * float(overlap))5758        segments = self.sliding_window(data, window_size, overlap)59        counter = 16061        for i in segments:62            c = []63            for x in i:64                c.append(x)65            tmp = [x for x in c if x != None and x != 0]66            if len(tmp) == 0:67                continue68            array_len = len(c)69            if c.count(None) > 0:70                c = [0 if x is None else x for x in c]71            elif c.count(0) >= array_len / 2:72                continue7374            new_tmp_dir = os.path.dirname(metas[1]) + os.sep + "segmented-" + tmp_dir_id + os.sep75            if not os.path.exists(new_tmp_dir):76                os.makedirs(new_tmp_dir)77                self.new_tmp_dirs.append(new_tmp_dir)7879            filename = new_tmp_dir + metas[0] + "_" + str(counter) + ".wav"80            write(filename, metas[-1], np.array(c))8182            self.metas.append([metas[0] + "_" + str(counter), filename, window_size, float(window_size) / float(metas[-1]), metas[-1]])83            self.Y.append(target_class)8485            counter += 18687    def sliding_window(self, iterable, size=2, step=1, fillvalue=None):88        """89        Implemented sliding window algorithm9091        :param iterable: data92        :param size: window size93        :param step: overlap94        :param fillvalue: fill value95        :return: iterator of segmented audio data96        """9798        if size < 0 or step < 1:99            raise ValueError100        it = iter(iterable)101        q = deque(islice(it, size), maxlen=size)102        if not q:103            return  # empty iterable or size == 0104        q.extend(fillvalue for _ in range(size - len(q)))  # pad to size105        while True:106            yield iter(q)  # iter() to avoid accidental outside modifications107            try:108                q.append(next(it))109            except StopIteration:  # Python 3.5 pep 479 support110                return
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