Support Jupyter Notebook 7 and enable JupyterLab debugger

README.adoc

@@ -71,6 +71,12 @@ notebook attached to IPyIDA. The command takes care of installing dependencies
 on its first run and starting a Notebook server unless one is already running.
 Check the command help (by typing `%open_notebook?`) for further options.
 
+Both `notebook` 6.x and 7.x are supported. On 7.x (which is served by
+`jupyter-server`) IPyIDA pre-creates a kernel session against the `proxy`
+kernel via the REST API so the JupyterLab-based frontend attaches to it on
+load — the legacy `?kernel_name=` query string alone is not honoured on the
+new UI.
+
 == Customizing the IPython console
 
 By default, the console does not have any globals available. If you want to

ipyida/kernel.py

@@ -47,6 +47,23 @@ def is_using_ipykernel_5():
     import ipykernel
     return hasattr(ipykernel.kernelbase.Kernel, "process_one")
 
+
+def _configure_debugpy_python():
+    # ipykernel's Debugger drives debugpy.listen(), which spawns its DAP
+    # adapter via sys.executable. In IDA that's idaq.exe, so the adapter
+    # never starts and listen() hits its 30 s accept() timeout -- this is
+    # what makes the JupyterLab/Notebook 7 debug button hang then error
+    # with "timed out waiting for adapter to connect". Point debugpy at
+    # the real interpreter backing this environment.
+    try:
+        import debugpy
+        from .notebook import _python_executable
+    except ImportError:
+        return
+    python = _python_executable()
+    if os.path.exists(python):
+        debugpy.configure(python=python)
+
 def get_ea_bounds():
     """
     Wraps getting the min and max ea to use either inf_get_min_ea
@@ -166,6 +183,8 @@ def start(self):
 
         self.connection_file = app.connection_file
 
+        _configure_debugpy_python()
+
         if not is_using_ipykernel_5():
             app.kernel.do_one_iteration()