Add pytest_leave_pdb hook

src/_pytest/debugging.py

@@ -107,6 +107,7 @@ def do_continue(self, arg):
                         tw.line()
                         tw.sep(">", "PDB continue (IO-capturing resumed)")
                         self._pytest_capman.resume_global_capture()
+                    cls._pluginmanager.hook.pytest_leave_pdb(config=cls._config)
                     return ret
 
                 do_c = do_cont = do_continue

src/_pytest/hookspec.py

@@ -609,3 +609,13 @@ def pytest_enter_pdb(config):
 
     :param _pytest.config.Config config: pytest config object
     """
+
+
+def pytest_leave_pdb(config):
+    """ called when leaving pdb (e.g. with continue after pdb.set_trace()).
+
+    Can be used by plugins to take special action just after the python
+    debugger leaves interactive mode.
+
+    :param _pytest.config.Config config: pytest config object
+    """