diff --git a/src/embed_tests/TestPythonEngineProperties.cs b/src/embed_tests/TestPythonEngineProperties.cs index 6d2d5d6cc..626e3c77f 100644 --- a/src/embed_tests/TestPythonEngineProperties.cs +++ b/src/embed_tests/TestPythonEngineProperties.cs @@ -181,13 +181,37 @@ public void SetProgramName() public void SetPythonPath() { PythonEngine.Initialize(); - string path = PythonEngine.PythonPath; + + const string moduleName = "pytest"; + bool importShouldSucceed; + try + { + Py.Import(moduleName); + importShouldSucceed = true; + } + catch + { + importShouldSucceed = false; + } + + string[] paths = Py.Import("sys").GetAttr("path").As(); + string path = string.Join(System.IO.Path.PathSeparator.ToString(), paths); + + // path should not be set to PythonEngine.PythonPath here. + // PythonEngine.PythonPath gets the default module search path, not the full search path. + // The list sys.path is initialized with this value on interpreter startup; + // it can be (and usually is) modified later to change the search path for loading modules. + // See https://docs.python.org/3/c-api/init.html#c.Py_GetPath + // After PythonPath is set, then PythonEngine.PythonPath will correctly return the full search path. + PythonEngine.Shutdown(); PythonEngine.PythonPath = path; PythonEngine.Initialize(); Assert.AreEqual(path, PythonEngine.PythonPath); + if (importShouldSucceed) Py.Import(moduleName); + PythonEngine.Shutdown(); } } pFad - Phonifier reborn

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