DSLR image capture and download from Python

capture.py

import os
import gphoto2 as gp

class Camera:
    def __init__(self):
        pass

    def open(self):
        self.context = gp.gp_context_new()
        self.camera = gp.check_result(gp.gp_camera_new())
        gp.check_result(gp.gp_camera_init(self.camera, self.context))

    def close(self):
        gp.check_result(gp.gp_camera_exit(self.camera, self.context))

    def capture(self, path='./'):
        file_path = gp.check_result(gp.gp_camera_capture(
            self.camera, gp.GP_CAPTURE_IMAGE, self.context))

        target = os.path.join(path, file_path.name)

        camera_file = gp.check_result(gp.gp_camera_file_get(
            self.camera, file_path.folder, file_path.name,
            gp.GP_FILE_TYPE_NORMAL, self.context))

        gp.check_result(gp.gp_file_save(camera_file, target))

        return target

if __name__ == "__main__":
    cam = Camera()
    cam.open()
    cam.capture()
    cam.close()