Fix #5249 - Implement a CLI pip_list subcommand similar to the ruby gem_list one

src/cli/UpdateCommand.cpp

@@ -297,5 +297,17 @@ shell.interact()
     pythonEngine->exec(cmd);
   }
 
+  void executePipListCommand(ScriptEngineInstance& pythonEngine) {
+    // TODO: seems like the CLI is picking up your virtualenvironment, so we manipulate sys.path to keep only the E+ folder for now
+    const std::string cmd = R"python(
+import sys
+sys.path = [x for x in sys.path if "EnergyPlus" in x]
+import importlib.metadata
+mods = sorted([f"{x.name}=={x.version}" for x in importlib.metadata.distributions()])
+[print(x) for x in mods]
+    )python";
+    pythonEngine->exec(cmd);
+  }
+
 }  // namespace cli
 }  // namespace openstudio

src/cli/UpdateCommand.hpp

@@ -21,6 +21,7 @@ namespace cli {
   void executePythonScriptCommand(openstudio::path pythonScriptPath, ScriptEngineInstance& pythonEngine, const std::vector<std::string>& arguments);
 
   void executeGemListCommand(ScriptEngineInstance& rubyEngine);
+  void executePipListCommand(ScriptEngineInstance& pythonEngine);
 
   void executeRubyRepl(ScriptEngineInstance& rubyEngine);
   void executePythonRepl(ScriptEngineInstance& pythonEngine);

src/cli/main.cpp

@@ -270,9 +270,15 @@ int main(int argc, char* argv[]) {
     python_repl_command->callback([&pythonEngine] { openstudio::cli::executePythonRepl(pythonEngine); });
     // }
 
-    [[maybe_unused]] auto* gem_listCommand = app.add_subcommand("gem_list", "Lists the set gems available to openstudio")->callback([&rubyEngine]() {
-      openstudio::cli::executeGemListCommand(rubyEngine);
-    });
+    [[maybe_unused]] auto* gem_listCommand =
+      app.add_subcommand("gem_list", "Lists the set of gems available to openstudio")->callback([&rubyEngine]() {
+        openstudio::cli::executeGemListCommand(rubyEngine);
+      });
+
+    [[maybe_unused]] auto* pip_listCommand =
+      app.add_subcommand("pip_list", "Lists the set of python modules available to openstudio")->callback([&pythonEngine]() {
+        openstudio::cli::executePipListCommand(pythonEngine);
+      });
 
     // Not hidding any commands right now
     // [[maybe_unused]] auto* list_commandsCommand = app.add_subcommand("list_commands", "Lists the entire set of available commands");