def configure_preview()

in machine-learning-notebooks/camera.py [0:0]

• 30 lines of code
• 15 McCabe index (conditional complexity)

    def configure_preview(self, resolution=None, encode=None, bitrate=None, framerate=None, display_out=None):
        """
        This method is for setting preview params.

        Parameters
        ----------
        resolution : str
            A value from resolutions attribute
        encode : str
            A value from encodetype attribute
        bitrate : str
            A value from bitrates attribute
        framerate : int
            A value from framerates attribute
        display_out : {0, 1}
            For enabling or disabling HDMI output

        Returns
        -------
        bool
            True if the request is successful. False on failure.

        """
        if resolution and self.resolutions and resolution in self.resolutions:
            res = self.resolutions.index(resolution)
        else:
            res = 1  # 1080P
        if encode and self.encodetype and encode in self.encodetype:
            enc = self.encodetype.index(encode)
        else:
            enc = 0  # HEVC
        if bitrate and self.bitrates and bitrate in self.bitrates:
            bit = self.bitrates.index(bitrate)
        else:
            bit = 6  # 4Mbps
        if framerate and self.framerates and framerate in self.framerates:
            fps = self.framerates.index(framerate)
        else:
            fps = 1  # 30

        if display_out > 1 and display_out < 0:
            print("Invalid value: display_out should 0/1, using default 0")
            display_out = 0

        path = "/video"
        payload = {
            "resolutionSelectVal": res,
            "encodeModeSelectVal": enc,
            "bitRateSelectVal": bit,
            "fpsSelectVal": fps,
            "displayOut": display_out
        }
        response = self.connection.post(path, payload)
        return response["status"]