Properly translate line in Goto Target. Fixes #150

src/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_api.py

@@ -228,9 +228,31 @@ class PyDevdAPI(object):
         elif thread_id.startswith('__frame__:'):
             sys.stderr.write("Can't make tasklet step command: %s\n" % (thread_id,))
 
-    def request_set_next(self, py_db, seq, thread_id, set_next_cmd_id, line, func_name):
+    def request_set_next(self, py_db, seq, thread_id, set_next_cmd_id, original_filename, line, func_name):
+        '''
+        :param Optional[str] original_filename:
+            If available, the filename may be source translated, otherwise no translation will take
+            place (the set next just needs the line afterwards as it executes locally, but for
+            the Jupyter integration, the source mapping may change the actual lines and not only
+            the filename).
+        '''
         t = pydevd_find_thread_by_id(thread_id)
         if t:
+            if original_filename is not None:
+                translated_filename = self.filename_to_server(original_filename)  # Apply user path mapping.
+                pydev_log.debug('Set next (after path translation) in: %s line: %s', translated_filename, line)
+                func_name = self.to_str(func_name)
+
+                assert translated_filename.__class__ == str  # i.e.: bytes on py2 and str on py3
+                assert func_name.__class__ == str  # i.e.: bytes on py2 and str on py3
+
+                # Apply source mapping (i.e.: ipython).
+                _source_mapped_filename, new_line, multi_mapping_applied = py_db.source_mapping.map_to_server(
+                    translated_filename, line)
+                if multi_mapping_applied:
+                    pydev_log.debug('Set next (after source mapping) in: %s line: %s', translated_filename, line)
+                    line = new_line
+
             int_cmd = InternalSetNextStatementThread(thread_id, set_next_cmd_id, line, func_name, seq=seq)
             py_db.post_internal_command(int_cmd, thread_id)
         elif thread_id.startswith('__frame__:'):

src/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_process_net_command.py

@@ -163,7 +163,7 @@ class _PyDevCommandProcessor(object):
 
     def _cmd_set_next(self, py_db, cmd_id, seq, text):
         thread_id, line, func_name = text.split('\t', 2)
-        return self.api.request_set_next(py_db, seq, thread_id, cmd_id, line, func_name)
+        return self.api.request_set_next(py_db, seq, thread_id, cmd_id, None, line, func_name)
 
     cmd_run_to_line = _cmd_set_next
     cmd_set_next_statement = _cmd_set_next
@@ -366,7 +366,6 @@ class _PyDevCommandProcessor(object):
         if debug or force:
             pydevd_file_utils.DEBUG_CLIENT_SERVER_TRANSLATION = debug
 
-
     def cmd_set_py_exception_json(self, py_db, cmd_id, seq, text):
         # This API is optional and works 'in bulk' -- it's possible
         # to get finer-grained control with CMD_ADD_EXCEPTION_BREAK/CMD_REMOVE_EXCEPTION_BREAK

src/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_process_net_command_json.py

@@ -994,7 +994,7 @@ class PyDevJsonCommandProcessor(object):
         target_id = int(request.arguments.targetId)
         thread_id = request.arguments.threadId
         try:
-            _, line = self._goto_targets_map.obtain_value(target_id)
+            path, line = self._goto_targets_map.obtain_value(target_id)
         except KeyError:
             response = pydevd_base_schema.build_response(
                 request,
@@ -1005,7 +1005,7 @@ class PyDevJsonCommandProcessor(object):
                 })
             return NetCommand(CMD_RETURN, 0, response, is_json=True)
 
-        self.api.request_set_next(py_db, request.seq, thread_id, CMD_SET_NEXT_STATEMENT, line, '*')
+        self.api.request_set_next(py_db, request.seq, thread_id, CMD_SET_NEXT_STATEMENT, path, line, '*')
         # See 'NetCommandFactoryJson.make_set_next_stmnt_status_message' for response
         return None
 

src/debugpy/_vendored/pydevd/tests_python/resources/_debugger_case_source_map_goto_target.py

@@ -0,0 +1,24 @@
+# Some comment lines to move the function below
+# Some comment lines to move the function below
+# Some comment lines to move the function below
+# Some comment lines to move the function below
+
+
+def full_function():
+    # Note that this function is not called, it's there just to make the mapping explicit.
+    # The test case should stop at `a = 1` and then skip the `print('Skip this print')`.
+    # map to Cell1, line 1
+    a = 1  # map to Cell1, line 2
+    print('Skip this print')  # map to Cell1, line 3
+    print('TEST SUCEEDED')  # map to Cell1, line 4
+    b = 2  # map to Cell1, line 5
+
+
+if __name__ == '__main__':
+    code = compile('''# line 1
+a = 1  # line 2
+print('Skip this print')  # line 3
+print('TEST SUCEEDED')  # line 4
+b = 2  # line 5
+''', '<Cell1>', 'exec')
+    exec(code)

src/debugpy/_vendored/pydevd/tests_python/test_debugger_json.py

@@ -3293,6 +3293,64 @@ def test_source_mapping_just_my_code(case_setup):
         writer.finished_ok = True
 
 
+def test_source_mapping_goto_target(case_setup):
+    from _pydevd_bundle._debug_adapter.pydevd_schema import Source
+    from _pydevd_bundle._debug_adapter.pydevd_schema import PydevdSourceMap
+
+    def additional_output_checks(writer, stdout, stderr):
+        assert 'Skip this print' not in stdout
+        assert 'TEST SUCEEDED' in stdout
+
+    with case_setup.test_file('_debugger_case_source_map_goto_target.py', additional_output_checks=additional_output_checks) as writer:
+        test_file = writer.TEST_FILE
+        if isinstance(test_file, bytes):
+            # file is in the filesystem encoding (needed for launch) but protocol needs it in utf-8
+            test_file = test_file.decode(file_system_encoding)
+            test_file = test_file.encode('utf-8')
+
+        json_facade = JsonFacade(writer)
+        json_facade.write_launch(justMyCode=False)
+
+        map_to_cell_1_line1 = writer.get_line_index_with_content('map to Cell1, line 1')
+        map_to_cell_1_line2 = writer.get_line_index_with_content('map to Cell1, line 2')
+        map_to_cell_1_line4 = writer.get_line_index_with_content('map to Cell1, line 4')
+        map_to_cell_1_line5 = writer.get_line_index_with_content('map to Cell1, line 5')
+
+        cell1_map = PydevdSourceMap(map_to_cell_1_line1, map_to_cell_1_line5, Source(path='<Cell1>'), 1)
+        pydevd_source_maps = [cell1_map]
+        json_facade.write_set_pydevd_source_map(
+            Source(path=test_file),
+            pydevd_source_maps=pydevd_source_maps,
+        )
+        json_facade.write_set_breakpoints(map_to_cell_1_line2)
+
+        json_facade.write_make_initial_run()
+
+        json_hit = json_facade.wait_for_thread_stopped(line=map_to_cell_1_line2, file=os.path.basename(test_file))
+        for stack_frame in json_hit.stack_trace_response.body.stackFrames:
+            assert stack_frame['source']['sourceReference'] == 0
+
+        goto_targets_request = json_facade.write_request(
+            pydevd_schema.GotoTargetsRequest(pydevd_schema.GotoTargetsArguments(
+                source=pydevd_schema.Source(path=writer.TEST_FILE, sourceReference=0),
+                line=map_to_cell_1_line4)))
+        goto_targets_response = json_facade.wait_for_response(goto_targets_request)
+        target_id = goto_targets_response.body.targets[0]['id']
+
+        goto_request = json_facade.write_request(
+            pydevd_schema.GotoRequest(pydevd_schema.GotoArguments(
+                threadId=json_hit.thread_id,
+                targetId=target_id)))
+        goto_response = json_facade.wait_for_response(goto_request)
+        assert goto_response.success
+
+        json_hit = json_facade.wait_for_thread_stopped('goto')
+
+        json_facade.write_continue()
+
+        writer.finished_ok = True
+
+
 @pytest.mark.skipif(not TEST_CHERRYPY or IS_WINDOWS, reason='No CherryPy available / not ok in Windows.')
 def test_process_autoreload_cherrypy(case_setup_multiprocessing, tmpdir):
     '''