Method addToPythonPath

src/EnergyPlus/PluginManager.cc:1229–1268

}

void PluginManager::addToPythonPath(EnergyPlusData &state, const fs::path &includePath, bool userDefinedPath)
{
    if (includePath.empty()) {
        return;
    }

    // We use generic_string / generic_wstring here, which will always use a forward slash as directory separator even on windows
    // This doesn't handle the (very strange, IMHO) case were on unix you have backlashes (which are VALID filenames on Unix!)
    // Could use FileSystem::makeNativePath first to convert the backslashes to forward slashes on Unix
    PyObject *unicodeIncludePath;
    // ReSharper disable once CppRedundantTypenameKeyword
    if constexpr (std::is_same_v<typename fs::path::value_type, wchar_t>) {
        // ReSharper disable once CppDFAUnreachableCode
        const std::wstring ws = includePath.generic_wstring();
        unicodeIncludePath = PyUnicode_FromWideChar(ws.c_str(), static_cast<Py_ssize_t>(ws.size())); // New reference
    } else {
        const std::string s = includePath.generic_string();
        unicodeIncludePath = PyUnicode_FromString(s.c_str()); // New reference
    }
    if (unicodeIncludePath == nullptr) {
        ShowFatalError(state, EnergyPlus::format("ERROR converting the path \"{:g}\" for addition to the sys.path in Python", includePath));
    }

    PyObject *sysPath = PySys_GetObject("path"); // Borrowed reference
    int const ret = PyList_Insert(sysPath, 0, unicodeIncludePath);
    Py_DECREF(unicodeIncludePath);

    if (ret != 0) {
        if (PyErr_Occurred() != nullptr) {
            PluginInstance::reportPythonError(state);
        }
        ShowFatalError(state, EnergyPlus::format("ERROR adding \"{:g}\" to the sys.path in Python", includePath));
    }

    if (userDefinedPath) {
        ShowMessage(state, EnergyPlus::format("Successfully added path \"{:g}\" to the sys.path in Python", includePath));
    }

    // PyRun_SimpleString)("print(' EPS : ' + str(sys.path))");
}
#else
std::vector<std::string> PluginManager::currentPythonPath()
{