Add transition GUI to the E+ Auxiliary CLI

Author: Myoldmopar

src/EnergyPlus/CMakeLists.txt

@@ -979,7 +979,7 @@ if(LINK_WITH_PYTHON)
       TARGET energyplusapi
       POST_BUILD # TODO: I don't think we want to quote the generator expression
       COMMAND ${CMAKE_COMMAND} -E env --unset=PIP_REQUIRE_VIRTUALENV
-      ${Python_EXECUTABLE} -m pip install --target="$<TARGET_FILE_DIR:energyplusapi>/python_lib" --upgrade energyplus-launch==3.7.2
+      ${Python_EXECUTABLE} -m pip install --target="$<TARGET_FILE_DIR:energyplusapi>/python_lib" --upgrade energyplus-launch==3.7.2 energyplus-transition-tools==2.1.1
       COMMAND ${Python_EXECUTABLE} "${PROJECT_SOURCE_DIR}/cmake/PythonFixUpTclTk.py" "$<TARGET_FILE_DIR:energyplusapi>/python_lib"
     )
   endif()

src/EnergyPlus/CommandLineInterface.cc

@@ -278,6 +278,50 @@ sys.argv.append("energyplus")
             cmd += R"python(
 from eplaunch.tk_runner import main_gui
 main_gui()
+)python";
+            // std::cout << "Trying to execute this python snippet: " << std::endl << cmd << std::endl;
+            engine.exec(cmd);
+            exit(0);
+        });
+
+        auto *updaterSubCommand = auxiliaryToolsSubcommand->add_subcommand("updater", "IDF Version Updater");
+        updaterSubCommand->add_option("args", python_fwd_args, "Extra Arguments forwarded to IDF Version Updater")->option_text("ARG ...");
+        updaterSubCommand->positionals_at_end(true);
+        updaterSubCommand->footer("You can pass extra arguments after the updater keyword, they will be forwarded to IDF Version Updater.");
+
+        updaterSubCommand->callback([&state, &python_fwd_args] {
+            EnergyPlus::Python::PythonEngine engine(state);
+            // There's probably better to be done, like instantiating the pythonEngine with the argc/argv then calling PyRun_SimpleFile but whatever
+            std::string cmd = R"python(import sys
+sys.argv.clear()
+sys.argv.append("energyplus")
+)python";
+            for (const auto &arg : python_fwd_args) {
+                cmd += fmt::format("sys.argv.append(\"{}\")\n", arg);
+            }
+
+            fs::path programDir = FileSystem::getParentDirectoryPath(FileSystem::getAbsolutePath(FileSystem::getProgramPath()));
+            fs::path const pathToPythonPackages = programDir / "python_lib";
+            std::string sPathToPythonPackages = std::string(pathToPythonPackages.string());
+            std::replace(sPathToPythonPackages.begin(), sPathToPythonPackages.end(), '\\', '/');
+            cmd += fmt::format("sys.path.insert(0, \"{}\")\n", sPathToPythonPackages);
+
+            std::string tclConfigDir;
+            for (auto &p : std::filesystem::directory_iterator(pathToPythonPackages)) {
+                if (p.is_directory()) {
+                    std::string dirName = p.path().filename().string();
+                    if (dirName.find("tcl", 0) == 0 && dirName.find(".", 0) > 0) {
+                        tclConfigDir = dirName;
+                        break;
+                    }
+                }
+            }
+            cmd += "from os import environ\n";
+            cmd += fmt::format("environ[\'TCL_LIBRARY\'] = \"{}/{}\"\n", sPathToPythonPackages, tclConfigDir);
+
+            cmd += R"python(
+from energyplus_transition.runner import main_gui
+main_gui(True)
 )python";
             // std::cout << "Trying to execute this python snippet: " << std::endl << cmd << std::endl;
             engine.exec(cmd);