René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Crashes on .NET Core 3 and 2 on Linux","articleBody":"Can't make this work on Linux Mint 19 (Ubuntu 18.04).\r\nCompiled ReleaseMonoPy3 with XPLAT;;PYTHON3;PYTHON37;UCS4;MONO_LINUX;PYTHON_WITH_PYMALLOC.\r\nIt seems to crash on Py.GIL():\r\n\r\n```\r\nusing (Py.GIL())\r\n{\r\n    dynamic np = Py.Import(\"numpy\");\r\n    Console.WriteLine(np.cos(np.pi * 2));\r\n\r\n    dynamic sin = np.sin;\r\n    Console.WriteLine(sin(5));\r\n\r\n    double c = np.cos(5) + sin(5);\r\n    Console.WriteLine(c);\r\n\r\n    dynamic a = np.array(new List\u003cfloat\u003e { 1, 2, 3 });\r\n    Console.WriteLine(a.dtype);\r\n\r\n    dynamic b = np.array(new List\u003cfloat\u003e { 6, 5, 4 }, dtype: np.int32);\r\n    Console.WriteLine(b.dtype);\r\n\r\n    Console.WriteLine(a * b);\r\n    Console.ReadKey();\r\n}\r\n```\r\n\r\nUpon further investigation, it seems to crash in InitializePlatformData(), as\r\n\r\n`IntPtr platformModule = PyImport_ImportModule(\"platform\"); // Becomes NULL pointer`\r\n\r\nRunning this line immediately after setting `platformModule = ... `\r\n\r\n`Console.WriteLine(new PythonException().Message);`\r\n\r\nyields:\r\n\r\n**ModuleNotFoundError : No module named '_posixsubprocess'**\r\n\r\nI also tried making sure the python home and path variables are correctly set:\r\n\r\n```\r\nPythonEngine.PythonHome = @\"/usr/local/bin/python3.7\";\r\nPythonEngine.PythonPath = @\"/usr/local/lib/python3.7\";\r\n```\r\n\r\nI have no problem importing _posixsubprocess module when running the python3.7 binary from the terminal.","author":{"url":"https://github.com/emilmuller","@type":"Person","name":"emilmuller"},"datePublished":"2019-10-07T10:32:27.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/967/pythonnet/issues/967"}