From 2cd0baf22b151325d8a493cf3fc5b96df1b8f6a9 Mon Sep 17 00:00:00 2001
From: arjxn-py <arjxn.py@gmail.com>
Date: Fri, 17 Oct 2025 16:04:50 +0530
Subject: [PATCH 1/4] Add Modules Request

---
 src/xdebugger.cpp | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/src/xdebugger.cpp b/src/xdebugger.cpp
index 95c98e5e..ec510c20 100644
--- a/src/xdebugger.cpp
+++ b/src/xdebugger.cpp
@@ -369,4 +369,43 @@ namespace xpyt
         return std::unique_ptr<xeus::xdebugger>(new debugger(context,
                                                              config, user_name, session_id, debugger_config));
     }
+
+    nl::json debugger::modules(const nl::json& message)
+    {
+        py::module sys = py::module::import("sys");
+        py::list modules = sys.attr("modules").attr("values")();
+
+        int start_module = message.value("startModule", 0);
+        int module_count = message.value("moduleCount", static_cast<int>(py::len(modules)));
+
+        nl::json mods = nl::json::array();
+        for (int i = start_module; i < module_count && i < static_cast<int>(py::len(modules)); ++i)
+        {
+            py::object module = modules[i];
+            py::object spec = getattr(module, "__spec__", py::none());
+            py::object origin = py::none();
+            if (!spec.is_none())
+                origin = getattr(spec, "origin", py::none());
+
+            if (!origin.is_none())
+            {
+                std::string filename = py::str(origin);
+                if (filename.size() > 3 && filename.substr(filename.size() - 3) == ".py")
+                {
+                    mods.push_back({
+                        {"id", i},
+                        {"name", py::str(module.attr("__name__"))},
+                        {"path", filename}
+                    });
+                }
+            }
+        }
+
+        return {
+            {"body", {
+                {"modules", mods},
+                {"totalModules", py::len(modules)}
+            }}
+        };
+    }
 }

From 9f62edd8b3686b206ca1ef37c1f47395509b38b6 Mon Sep 17 00:00:00 2001
From: arjxn-py <arjxn.py@gmail.com>
Date: Fri, 17 Oct 2025 17:45:19 +0530
Subject: [PATCH 2/4] Register Modules Request

---
 src/xdebugger.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/xdebugger.cpp b/src/xdebugger.cpp
index ec510c20..f1d2af41 100644
--- a/src/xdebugger.cpp
+++ b/src/xdebugger.cpp
@@ -66,6 +66,8 @@ namespace xpyt
         register_request_handler("attach", std::bind(&debugger::attach_request, this, _1), true);
         register_request_handler("configurationDone", std::bind(&debugger::configuration_done_request, this, _1), true);
         register_request_handler("copyToGlobals", std::bind(&debugger::copy_to_globals_request, this, _1), true);
+        register_request_handler("modules", std::bind(&debugger::modules, this, _1), false);
+
     }
 
     debugger::~debugger()

From ac842ec00de1ea240a111eb0ee164c9d6053144b Mon Sep 17 00:00:00 2001
From: arjxn-py <arjxn.py@gmail.com>
Date: Fri, 17 Oct 2025 17:52:32 +0530
Subject: [PATCH 3/4] Add modules request declaration in `xdebugger.hpp`

---
 include/xeus-python/xdebugger.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/xeus-python/xdebugger.hpp b/include/xeus-python/xdebugger.hpp
index 6a7e2056..a7268818 100644
--- a/include/xeus-python/xdebugger.hpp
+++ b/include/xeus-python/xdebugger.hpp
@@ -55,6 +55,7 @@ namespace xpyt
         nl::json attach_request(const nl::json& message);
         nl::json configuration_done_request(const nl::json& message);
         nl::json copy_to_globals_request(const nl::json& message);
+        nl::json modules(const nl::json& message);
 
         nl::json variables_request_impl(const nl::json& message) override;
 

From 6d5edbcca366ea30e2b92f4d186642fa8e3363d3 Mon Sep 17 00:00:00 2001
From: arjxn-py <arjxn.py@gmail.com>
Date: Fri, 17 Oct 2025 18:26:57 +0530
Subject: [PATCH 4/4] Acquire GIL in modules request

---
 src/xdebugger.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/xdebugger.cpp b/src/xdebugger.cpp
index f1d2af41..700e4702 100644
--- a/src/xdebugger.cpp
+++ b/src/xdebugger.cpp
@@ -374,6 +374,7 @@ namespace xpyt
 
     nl::json debugger::modules(const nl::json& message)
     {
+        py::gil_scoped_acquire acquire;
         py::module sys = py::module::import("sys");
         py::list modules = sys.attr("modules").attr("values")();