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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"draw-proto.py example returns AttributeError on Ubuntu 22.04 python-xlib v.033 installed from source","articleBody":"Just getting acquainted with this project, run the examples. \ninstalled python-xlib via pip install .  on a conda environment.\npython version '3.10.6 (main, Oct  7 2022, 20:19:58) [GCC 11.2.0]'\nUbuntu 22.045LTS\n\n\n python draw-proto.py \nTraceback (most recent call last):\n  File \"/home/z/work/UIs/xinterface/xlib/python-xlib/examples/draw-proto.py\", line 231, in \u003cmodule\u003e\n    Window(display.Display()).loop()\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/display.py\", line 157, in __init__\n    r = ConnectionSetupRequest(self,\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/display.py\", line 1075, in __init__\n    display.send_and_recv(request = -1)\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/display.py\", line 612, in send_and_recv\n    gotreq = self.parse_response(request)\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/display.py\", line 689, in parse_response\n    return self.parse_connection_setup()\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/display.py\", line 958, in parse_connection_setup\n    x, d = r._success_reply.parse_binary(self.data_recv[:alen],\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/rq.py\", line 1202, in parse_binary\n    ret[f.name], data = f.parse_binary_value(data, display,\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/rq.py\", line 532, in parse_binary_value\n    ret[i], data = self.type.parse_binary(data, display)\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/rq.py\", line 1191, in parse_binary\n    field_val = f.parse_value(field_val, display)\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/rq.py\", line 309, in parse_value\n    c = display.get_resource_class(self.class_name)\n  File \"/home/z/miniconda3/envs/abj/lib/python3.10/site-packages/Xlib/protocol/display.py\", line 320, in get_resource_class\n    return self.resource_classes.get(class_name, default)\nAttributeError: 'Display' object has no attribute 'resource_classes'. Did you mean: 'get_resource_class'?\n(abj) z@zNuc:~/work/UIs/xinterface/xlib/python-xlib/examples$ \n\n","author":{"url":"https://github.com/xvdp","@type":"Person","name":"xvdp"},"datePublished":"2025-01-20T11:01:32.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/281/python-xlib/issues/281"}