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[BUG] When accessing the parameters of lanelet::AllWayStop/lanelet::RightOfWays, an infinite loop occurs #378

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Joe12138 opened this issue Dec 26, 2024 · 1 comment · May be fixed by #383
Open

[BUG] When accessing the parameters of lanelet::AllWayStop/lanelet::RightOfWays, an infinite loop occurs #378

Joe12138 opened this issue Dec 26, 2024 · 1 comment · May be fixed by #383

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@Joe12138
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When I want to accessing the parameters of lanelet::AllWayStop/lanelet::RightOfWays, an infinite loop occurs.
The code is as below:

for reg_ele_obj in lanelet_map.regulatoryElementLayer:
      if reg_ele_obj.attributes["subtype"] == "right_of_way":
            parameter_dict = reg_ele_obj.parameters
            right_of_way_lanelets = reg_ele_obj.rightOfWayLanelets()
            yield_lanelets = reg_ele_obj.yieldLanelets()
            stop_line = reg_ele_obj.stopLine
            refers = parameter_dict["refers"]
            refer_line = parameter_dict["ref_line"]
            print("Hello world!")
            print(parameter_dict.values())
      elif reg_ele_obj.attributes["subtype"] == "all_way_stop":
            lanelets = reg_ele_obj.lanelets()
            stop_lines = reg_ele_obj.stopLines()
            traffic_signs = reg_ele_obj.trafficSigns()
            parameter_dict = reg_ele_obj.parameters
            refers = parameter_dict["refers"]
            refer_line = parameter_dict["ref_line"]
            
            print(parameter_dict.keys())
            print(parameter_dict.values())

The error is shown as below:

File "hd_map_lanelet.py", line 255, in <module>
    print(parameter_dict.values())
RecursionError: maximum recursion depth exceeded while calling a Python object

Version: lanelet2 1.2.2 (Python3.9.21, Ubuntu 22.04 LTS)
@poggenhans
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Thanks for reporting this! Can you please create a standalone example so that we can reproduce your bug? I suspect there is some kind of loop in the parameters of your lanelets that causes the print function to recurse. But hard to tell without the actual data.

@poggenhans poggenhans linked a pull request Jan 23, 2025 that will close this issue
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@poggenhans @Joe12138