def test_file_exists(self):
        path = os.path.join(self.tmp_dir.name, 'lorem', 'ipsum.txt')
        s3_path = 's3://{}/xxx/lorem.txt'.format(self.bucket_name)
        s3_path_prefix = 's3://{}/xxx/lorem'.format(self.bucket_name)
        s3_directory = 's3://{}/xxx/'.format(self.bucket_name)
        make_dir(path, check_empty=False, use_dirname=True)

        str_to_file(self.lorem, path)
        upload_or_copy(path, s3_path)

        self.assertTrue(file_exists(s3_directory, include_dir=True))
        self.assertTrue(file_exists(s3_path, include_dir=False))
        self.assertFalse(file_exists(s3_path_prefix, include_dir=True))
        self.assertFalse(file_exists(s3_directory, include_dir=False))
        self.assertFalse(
            file_exists(s3_directory + 'NOTPOSSIBLE', include_dir=False))
    def __init__(self,
                 uri,
                 extent,
                 crs_transformer,
                 tmp_dir,
                 vector_output=None,
                 class_config=None):
        """Constructor.

        Args:
            uri: (str) URI of GeoTIFF file used for storing predictions as RGB values
            extent: (Box) The extent of the scene
            crs_transformer: (CRSTransformer)
            tmp_dir: (str) temp directory to use
            vector_output: (None or array of VectorOutputConfig) containing
                vectorifiction configuration information
            class_config: (ClassConfig) with color values used to convert
                class ids to RGB value
        """
        self.uri = uri
        self.vector_output = vector_output
        self.extent = extent
        self.crs_transformer = crs_transformer
        self.tmp_dir = tmp_dir
        # Note: can't name this class_transformer due to Python using that attribute
        if class_config:
            self.class_trans = SegmentationClassTransformer(class_config)
        else:
            self.class_trans = None

        self.source = None
        if file_exists(uri):
            self.source = RasterioSourceConfig(uris=[uri]).build(tmp_dir)
    def test_file_exists_local_true(self):
        path = os.path.join(self.tmp_dir.name, 'lorem', 'ipsum.txt')
        directory = os.path.dirname(path)
        make_dir(directory, check_empty=False)

        str_to_file(self.lorem, path)

        self.assertTrue(file_exists(path))
    def test_file_exists_s3_true(self):
        path = os.path.join(self.tmp_dir.name, 'lorem', 'ipsum.txt')
        directory = os.path.dirname(path)
        make_dir(directory, check_empty=False)

        str_to_file(self.lorem, path)

        s3_path = 's3://{}/lorem.txt'.format(self.bucket_name)
        upload_or_copy(path, s3_path)

        self.assertTrue(file_exists(s3_path))
    def test_copy_from_http(self):
        http_path = ('https://raw.githubusercontent.com/tensorflow/models/'
                     '17fa52864bfc7a7444a8b921d8a8eb1669e14ebd/README.md')
        expected = os.path.join(
            self.tmp_dir.name, 'http', 'raw.githubusercontent.com',
            'tensorflow/models',
            '17fa52864bfc7a7444a8b921d8a8eb1669e14ebd/README.md')
        download_if_needed(http_path, self.tmp_dir.name)

        self.assertTrue(file_exists(expected))
        os.remove(expected)
示例#6
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def _collect(key, root_uri, output_dir, collect_dir, get_model_bundle=False):
    print('\nCollecting experiment {}...\n'.format(key))

    model_bundle_uri = join(root_uri, output_dir, 'bundle', 'model-bundle.zip')
    eval_uri = join(root_uri, output_dir, 'eval', 'eval.json')

    if not file_exists(eval_uri):
        print('Missing eval!')
        return

    if not file_exists(model_bundle_uri):
        print('Missing model bundle!')
        return

    make_dir(join(collect_dir, key))
    if get_model_bundle:
        download_or_copy(model_bundle_uri, join(collect_dir, key))

    download_or_copy(eval_uri, join(collect_dir, key))

    eval_json = file_to_json(join(collect_dir, key, 'eval.json'))
    pprint.pprint(eval_json['overall'], indent=4)
示例#7
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def _predict(key, sample_img, collect_dir):
    print('\nTesting model bundle for {}...\n'.format(key))

    model_bundle_uri = join(collect_dir, key, 'model-bundle.zip')
    if not file_exists(model_bundle_uri):
        print('Bundle does not exist!')
        return

    sample_img = download_or_copy(sample_img, join(collect_dir, key))

    exts = {'cc': 'json', 'ss': 'tif', 'od': 'json'}
    for task, ext in exts.items():
        if key.endswith(task):
            break

    out_uri = join(collect_dir, key, 'predictions.{}'.format(ext))
    cmd = ['rastervision', 'predict', model_bundle_uri, sample_img, out_uri]
    proc = subprocess.run(cmd)
    if proc.returncode != 0:
        print('failure!')
        print(' '.join(cmd))
        exit()
示例#8
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def save_image_crop(image_uri,
                    image_crop_uri,
                    label_uri=None,
                    label_crop_uri=None,
                    size=600,
                    min_features=10,
                    vector_labels=True,
                    class_config=None):
    """Save a crop of an image to use for testing.

    If label_uri is set, the crop needs to cover >= min_features.

    Args:
        image_uri: URI of original image
        image_crop_uri: URI of cropped image to save
        label_uri: optional URI of label file
        label_crop_uri: optional URI of cropped labels to save
        size: height and width of crop

    Raises:
        ValueError if cannot find a crop satisfying min_features constraint.
    """
    if not file_exists(image_crop_uri):
        print('Saving test crop to {}...'.format(image_crop_uri))
        old_environ = os.environ.copy()
        try:
            request_payer = S3FileSystem.get_request_payer()
            if request_payer == 'requester':
                os.environ['AWS_REQUEST_PAYER'] = request_payer
            im_dataset = rasterio.open(image_uri)
            h, w = im_dataset.height, im_dataset.width

            extent = Box(0, 0, h, w)
            windows = extent.get_windows(size, size)
            if label_uri and vector_labels:
                crs_transformer = RasterioCRSTransformer.from_dataset(
                    im_dataset)
                geojson_vs_config = GeoJSONVectorSourceConfig(
                    uri=label_uri, default_class_id=0, ignore_crs_field=True)
                vs = geojson_vs_config.build(class_config, crs_transformer)
                geojson = vs.get_geojson()
                geoms = []
                for f in geojson['features']:
                    g = shape(f['geometry'])
                    geoms.append(g)
                tree = STRtree(geoms)

            def p2m(x, y, z=None):
                return crs_transformer.pixel_to_map((x, y))

            for w in windows:
                use_window = True
                if label_uri and vector_labels:
                    w_polys = tree.query(w.to_shapely())
                    use_window = len(w_polys) >= min_features
                    if use_window and label_crop_uri is not None:
                        print('Saving test crop labels to {}...'.format(
                            label_crop_uri))

                        label_crop_features = [
                            mapping(transform(p2m, wp)) for wp in w_polys
                        ]
                        label_crop_json = {
                            'type':
                            'FeatureCollection',
                            'features': [{
                                'geometry': f
                            } for f in label_crop_features]
                        }
                        json_to_file(label_crop_json, label_crop_uri)

                if use_window:
                    crop_image(image_uri, w, image_crop_uri)

                    if not vector_labels and label_uri and label_crop_uri:
                        crop_image(label_uri, w, label_crop_uri)

                    break

            if not use_window:
                raise ValueError('Could not find a good crop.')
        finally:
            os.environ.clear()
            os.environ.update(old_environ)
示例#9
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    def __init__(
            self,
            uri: str,
            extent: Box,
            crs_transformer: CRSTransformer,
            tmp_dir: str,
            vector_outputs: Optional[Sequence['VectorOutputConfig']] = None,
            class_config: ClassConfig = None,
            save_as_rgb: bool = False,
            smooth_output: bool = False,
            smooth_as_uint8: bool = False,
            rasterio_block_size: int = 256):
        """Constructor.

        Args:
            uri: (str) Path to directory where the predictions are/will be
                stored. Smooth scores will be saved as "uri/scores.tif",
                discrete labels will be stored as "uri/labels.tif", and vector
                outputs will be saved in "uri/vector_outputs/".
            extent: (Box) The extent of the scene.
            crs_transformer: (CRSTransformer)
            tmp_dir: (str) temp directory to use
            vector_outputs: (Optional[Sequence[VectorOutputConfig]]) containing
                vectorifiction configuration information. Defaults to None.
            class_config: (ClassConfig) Class config.
            save_as_rgb: (bool, optional) If True, Saves labels as an RGB
                image, using the class-color mapping in the class_config.
                Defaults to False.
            smooth_output: (bool, optional) If True, expects labels to be
                class scores and stores both scores and discrete labels.
                Defaults to False.
            smooth_as_uint8: (bool, optional) If True, stores smooth class
                scores as np.uint8 (0-255) values rather than as np.float32
                discrete labels, to help save memory/disk space.
                Defaults to False.
        """
        self.root_uri = uri
        self.label_uri = join(uri, 'labels.tif')
        self.score_uri = join(uri, 'scores.tif')
        self.hits_uri = join(uri, 'pixel_hits.npy')

        self.vector_outputs = vector_outputs
        self.extent = extent
        self.crs_transformer = crs_transformer
        self.tmp_dir = tmp_dir
        self.class_config = class_config
        self.smooth_output = smooth_output
        self.smooth_as_uint8 = smooth_as_uint8
        self.rasterio_block_size = rasterio_block_size

        self.class_transformer = None
        if save_as_rgb:
            self.class_transformer = SegmentationClassTransformer(class_config)

        self.label_raster_source = None
        self.score_raster_source = None

        if file_exists(self.label_uri):
            cfg = RasterioSourceConfig(uris=[self.label_uri])
            self.label_raster_source = cfg.build(tmp_dir)

        if self.smooth_output:
            if file_exists(self.score_uri):
                cfg = RasterioSourceConfig(uris=[self.score_uri])
                raster_source = cfg.build(tmp_dir)
                extents_equal = raster_source.get_extent() == self.extent
                bands_equal = raster_source.num_channels == len(class_config)
                self_dtype = np.uint8 if self.smooth_as_uint8 else np.float32
                dtypes_equal = raster_source.get_dtype() == self_dtype

                if extents_equal and bands_equal and dtypes_equal:
                    self.score_raster_source = raster_source
 def test_file_exists_s3_false(self):
     s3_path = 's3://{}/hello.txt'.format(self.bucket_name)
     self.assertFalse(file_exists(s3_path))
    def test_file_exists_local_false(self):
        path = os.path.join(self.tmp_dir.name, 'hello', 'hello.txt')
        directory = os.path.dirname(path)
        make_dir(directory, check_empty=False)

        self.assertFalse(file_exists(path))
 def test_file_exists_http_false(self):
     http_path = ('https://raw.githubusercontent.com/tensorflow/models/'
                  '17fa52864bfc7a7444a8b921d8a8eb1669e14ebd/XXX')
     self.assertFalse(file_exists(http_path))