def readCalibration(file_name):
"""Read .ini or .yaml calibration file and return (camera name and cameraInfo message).
@param file_name: camera calibration file name
@type file_name: str
@return: (camera name, cameraInfo message) or None on Error
@rtype: tuple(str, sensor_msgs.msg.CameraInfo | None
"""
ret, cn, ci = __readCalibrationWrapper(file_name)
if not ret:
return None
c = CameraInfo()
c.deserialize(ci)
return cn, c
