René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Segmentation Fault on PythonEngine.Initialize()","articleBody":"### Environment\r\n\r\n-   Pythonnet version: 3.0.4\r\n-   Python version: 3.11.3\r\n-   Operating System: Linux Mint 21.1\r\n-   .NET Runtime: NET 8\r\n\r\n### Details\r\n\r\n-   I have a C# NET application that works well under Windows but fails with multiple different Python versions under Linux. Pythonnet fails when I try to initialize it with PythonEngine.Initialize()\r\n- I'm compiling this CLI application in VS2022 under Windows using net8.0\r\n- Because pythonnet requires libpython3.11.so, I'm compiling Python from source on the target system with the ```--enable-shared``` flag. To compile Python 3.11.3 I'm using the following commands:\r\n\r\n```\r\n./configure  --enable-shared\r\nmake -s -j2\r\n```\r\n- Is there a compilation flag I'm missing?\r\n\r\n```\r\nif (!Linux)\r\n{\r\n    PythonHome = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, \"python-3.11.3-embed-amd64\");\r\n    PythonDLL = \"python311.dll\";\r\n    PythonPath = $\"{PythonHome}/Lib\";\r\n    path = PythonHome + \";\" + Environment.GetEnvironmentVariable(\"PATH\", EnvironmentVariableTarget.Process);\r\n}\r\nelse\r\n{\r\n    PythonHome = \"/home/user/cli/Python-3.11.3\";\r\n    PythonPath = $\"{PythonHome}/Lib\";\r\n    PythonDLL = $\"libpython3.11.so\";\r\n    path = PythonHome + \":\" + Environment.GetEnvironmentVariable(\"PATH\", EnvironmentVariableTarget.Process);\r\n\r\n}\r\nEnvironment.SetEnvironmentVariable(\"PATH\", path, EnvironmentVariableTarget.Process);\r\nConsole.WriteLine(\"PATH = \" + Environment.GetEnvironmentVariable(\"PATH\", EnvironmentVariableTarget.Process));\r\nEnvironment.SetEnvironmentVariable(\"PYTHONHOME\", PythonHome, EnvironmentVariableTarget.Process);\r\nConsole.WriteLine(\"PYTHONHOME = \" + Environment.GetEnvironmentVariable(\"PYTHONHOME\", EnvironmentVariableTarget.Process));\r\nEnvironment.SetEnvironmentVariable(\"PYTHONPATH\", PythonPath, EnvironmentVariableTarget.Process);\r\nConsole.WriteLine(\"PYTHONPATH = \" + Environment.GetEnvironmentVariable(\"PYTHONPATH\", EnvironmentVariableTarget.Process));\r\nEnvironment.SetEnvironmentVariable(\"PYTHONNET_PYDLL\", PythonDLL, EnvironmentVariableTarget.Process);\r\nConsole.WriteLine(\"PYTHONNET_PYDLL = \" + Environment.GetEnvironmentVariable(\"PYTHONNET_PYDLL\", EnvironmentVariableTarget.Process));\r\n\r\nif (Linux)\r\n{\r\n    Runtime.PythonDLL = PythonDLL;\r\n    PythonEngine.PythonHome = PythonHome;\r\n    PythonEngine.PythonPath = PythonPath;\r\n\r\n}\r\nConsole.WriteLine(\"Initializing.\");\r\nPythonEngine.Initialize();\r\nConsole.WriteLine(\"Allowing threads.\");\r\nPythonEngine.BeginAllowThreads();\r\nConsole.WriteLine(\"Initialized.\");\r\n```\r\n\r\nNo NET exception is thrown. It simply segfaults during initialization.\r\n```\r\nPATH = /home/user/cli/Python-3.11.3:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin\r\nPYTHONHOME = /home/user/cli/Python-3.11.3\r\nPYTHONPATH = /home/user/cli/Python-3.11.3/Lib\r\nPYTHONNET_PYDLL = libpython3.11.so\r\nInitializing.\r\nSegmentation fault (core dumped)\r\n```\r\n","author":{"url":"https://github.com/ddaigle-dge","@type":"Person","name":"ddaigle-dge"},"datePublished":"2024-10-08T03:09:24.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/2479/pythonnet/issues/2479"}