Пример #1
0
    def handle_cli(self, args, func):
        parser = argparse.ArgumentParser()
        parser.add_argument("--input", required=True)
        parser.add_argument("-o",
                            "--output",
                            default="str",
                            choices=["str", "json", "yaml"])
        parsed_args = parser.parse_args(args)
        file_path = parsed_args.input

        check_file_format(file_path, self.accept_file_extensions)
        if not os.path.isabs(file_path):
            file_path = os.path.abspath(file_path)

        try:
            from fastai.vision import open_image, Image
        except ImportError:
            raise ImportError("fastai package is required to use")

        image_array = open_image(
            fn=file_path,
            convert_mode=self.convert_mode,
            div=self.div,
            after_open=self.after_open,
            cls=self.cls or Image,
        )

        result = func(image_array)
        result = get_output_str(result, output_format=parsed_args.output)
        print(result)
Пример #2
0
    def handle_request(self, request, func):
        try:
            from fastai.vision import Image, pil2tensor
        except ImportError:
            raise ImportError(
                "fastai package is required to use FastaiImageHandler")

        try:
            from imageio import imread
        except ImportError:
            raise ImportError(
                "imageio package is required to use FastaiImageHandler")

        if request.method != "POST":
            return Response(response="Only accept POST request", status=400)

        input_streams = []
        for filename in self.input_names:
            file = request.files.get(filename)
            if file is not None:
                file_name = secure_filename(file.filename)
                check_file_format(file_name, self.accept_file_extensions)
                input_streams.append(BytesIO(file.read()))

        if len(input_streams) == 0:
            if request.data:
                input_streams = (request.data, )
            else:
                raise ValueError(
                    "BentoML#ImageHandler unexpected HTTP request: %s" %
                    request)

        input_data = []
        for input_stream in input_streams:
            data = imread(input_stream, pilmode=self.convert_mode)

            if self.after_open:
                data = self.after_open(data)

            data = pil2tensor(data, np.float32)

            if self.div:
                data = data.div_(255)

            if self.cls:
                data = self.cls(data)
            else:
                data = Image(data)
            input_data.append(data)

        result = func(*input_data)

        result = get_output_str(result, request.headers.get("output", "json"))
        return Response(response=result,
                        status=200,
                        mimetype="application/json")
Пример #3
0
    def handle_request(self, request, func):
        try:
            from fastai.vision import Image, pil2tensor
            import numpy as np
        except ImportError:
            raise ImportError(
                "fastai package is required to use FastaiImageHandler")

        try:
            from imageio import imread
        except ImportError:
            raise ImportError(
                "imageio package is required to use FastaiImageHandler")
        return

        if request.method != "POST":
            return Response(response="Only accept POST request", status=400)

        input_file = request.files.get(self.input_name)
        file_name = secure_filename(input_file.filename)
        check_file_format(file_name, self.accept_file_extensions)

        input_stream = BytesIO(input_file.read())
        input_data = imread(input_stream, pilmode=self.convert_mode)

        if self.after_open:
            input_data = self.after_open(input_data)

        input_data = pil2tensor(input_data, np.float32)

        if self.div:
            input_data = input_data.div_(255)

        if self.cls:
            input_data = self.cls(input_data)
        else:
            input_data = Image(input_data)

        result = func(input_data)
        result = get_output_str(result, request.headers.get("output", "json"))
        return Response(response=result,
                        status=200,
                        mimetype="application/json")