Fixes issue identifying ptvsd files (fixes stop on entry). #1159 (#1160)

src/ptvsd/futures.py

@@ -118,7 +118,10 @@ class EventLoop(object):
                 # thread, so, just silence it.
                 pass
             else:
-                traceback.print_exc()
+                try:
+                    traceback.print_exc()
+                except:
+                    pass  # Could give an error during shutdown.
 
     def stop(self):
         self._stop = True
@@ -173,4 +176,5 @@ def wrap_async(f):
 
         callback(None)
         return result
+
     return g

src/ptvsd/wrapper.py

@@ -39,6 +39,7 @@ import _pydevd_bundle.pydevd_comm_constants as pydevd_comm_constants  # noqa
 import _pydevd_bundle.pydevd_extension_api as pydevd_extapi  # noqa
 import _pydevd_bundle.pydevd_extension_utils as pydevd_extutil  # noqa
 import _pydevd_bundle.pydevd_frame as pydevd_frame  # noqa
+from pydevd_file_utils import get_abs_path_real_path_and_base_from_file  # noqa
 # from _pydevd_bundle.pydevd_comm import pydevd_log
 from _pydevd_bundle.pydevd_dont_trace_files import PYDEV_FILE  # noqa
 from _pydevd_bundle import pydevd_additional_thread_info
@@ -151,7 +152,7 @@ SafeReprPresentationProvider._instance = SafeReprPresentationProvider()
 str_handlers = pydevd_extutil.EXTENSION_MANAGER_INSTANCE.type_to_instance.setdefault(pydevd_extapi.StrPresentationProvider, [])  # noqa
 str_handlers.insert(0, SafeReprPresentationProvider._instance)
 
-PTVSD_DIR_PATH = os.path.dirname(os.path.abspath(__file__)) + os.path.sep
+PTVSD_DIR_PATH = os.path.dirname(os.path.abspath(get_abs_path_real_path_and_base_from_file(__file__)[0])) + os.path.sep
 NORM_PTVSD_DIR_PATH = os.path.normcase(PTVSD_DIR_PATH)
 
 

tests/func/test_stop_on_entry.py

@@ -0,0 +1,36 @@
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See LICENSE in the project root
+# for license information.
+
+from __future__ import print_function, with_statement, absolute_import
+
+from tests.helpers.pattern import Path
+from tests.helpers.session import DebugSession
+from tests.helpers.timeline import Event
+import pytest
+
+
+@pytest.mark.parametrize('start_method', ['launch'])
+def test_stop_on_entry(run_as, start_method, tmpdir):
+    testfile = tmpdir.join('test.py')
+    with testfile.open('w') as stream:
+        stream.write('''
+stop_here = 1
+print('done')
+''')
+
+    with DebugSession() as session:
+        session.initialize(
+            target=(run_as, str(testfile)),
+            start_method=start_method,
+            ignore_unobserved=[Event('continued')],
+            debug_options=['StopOnEntry'],
+        )
+
+        session.start_debugging()
+        hit = session.wait_for_thread_stopped()
+        frames = hit.stacktrace.body['stackFrames']
+        assert frames[0]['source']['path'] == Path(str(testfile))
+
+        session.send_request('continue').wait_for_response(freeze=False)
+        session.wait_for_exit()