Change locking boundaries for shared dict. Add a unit test.

Make smart_futures re-raise exceptions that happened in futures.
Mess with file_utils.

1 files changed, 8 insertions, 2 deletions

diff --git a/smart_future.py b/smart_future.py
index c96c5a7..2f3cbd9 100644
--- a/smart_future.py
+++ b/smart_future.py
@@ -40,8 +40,11 @@ def wait_any(
             if log_exceptions and not f.cancelled():
                 exception = f.exception()
                 if exception is not None:
+                    logger.warning(
+                        f'Future {id(f)} raised an unhandled exception and exited.'
+                    )
                     logger.exception(exception)
-                    traceback.print_tb(exception.__traceback__)
+                    raise exception
             yield smart_future_by_real_future[f]
     if callback is not None:
         callback()
@@ -62,8 +65,11 @@ def wait_all(
             if not f.cancelled():
                 exception = f.exception()
                 if exception is not None:
+                    logger.warning(
+                        f'Future {id(f)} raised an unhandled exception and exited.'
+                    )
                     logger.exception(exception)
-                    traceback.print_tb(exception.__traceback__)
+                    raise exception
     assert len(done) == len(real_futures)
     assert len(not_done) == 0