Python sample to open 2 ZED with the ZED SDK (https://github.com/stereolabs/zed-python)

multi_zed.py

import cv2
import pyzed.camera as zcam
import pyzed.types as tp
import pyzed.core as core
import pyzed.defines as sl


def main():
    print("Running...")
    init = zcam.PyInitParameters()
    init.camera_resolution = sl.PyRESOLUTION.PyRESOLUTION_HD720
    init.camera_linux_id = 0
    init.camera_fps = 30
    cam = zcam.PyZEDCamera()
    if not cam.is_opened():
        print("Opening ZED Camera 1...")
    status = cam.open(init)
    if status != tp.PyERROR_CODE.PySUCCESS:
        print(repr(status))
        exit()

    init.camera_linux_id = 1 # Specify the camera index
    cam2 = zcam.PyZEDCamera()
    if not cam2.is_opened():
        print("Opening ZED Camera 2...")
    status = cam2.open(init)
    if status != tp.PyERROR_CODE.PySUCCESS:
        print(repr(status))
        exit()

    runtime = zcam.PyRuntimeParameters()
    mat = core.PyMat()
    mat2 = core.PyMat()

    print_camera_information(cam)
    print_camera_information(cam2)

    key = ''
    while key != 113:  # for 'q' key
        err = cam.grab(runtime)
        if err == tp.PyERROR_CODE.PySUCCESS:
            cam.retrieve_image(mat, sl.PyVIEW.PyVIEW_LEFT)
            cv2.imshow("ZED 1", mat.get_data())

        err = cam2.grab(runtime)
        if err == tp.PyERROR_CODE.PySUCCESS:
            cam2.retrieve_image(mat2, sl.PyVIEW.PyVIEW_LEFT)
            cv2.imshow("ZED 2", mat2.get_data())

        key = cv2.waitKey(5)
    cv2.destroyAllWindows()

    cam.close()
    print("\nFINISH")


def print_camera_information(cam):
    print("Resolution: {0}, {1}.".format(
        round(cam.get_resolution().width, 2), cam.get_resolution().height))
    print("Camera FPS: {0}.".format(cam.get_camera_fps()))
    print("Firmware: {0}.".format(
        cam.get_camera_information().firmware_version))
    print("Serial number: {0}.\n".format(
        cam.get_camera_information().serial_number))


if __name__ == "__main__":
    main()