Raise exceptions instead of showing

docs/source/changelog.rst

@@ -34,6 +34,11 @@ Glossary
 Releases
 ---------------------
 
+v1.1.0
+=================
+- Instead of showing a coroutine error on screen if it ocurred while running a coroutine with
+  :func:`~tk_async_execute.utils.async_execute()`, raise the exception instead in :func:`tk_async_execute.async_execute()`.
+
 v1.0.1
 =================
 - Fix event loop problems on Python before 3.10 due to semaphores (etc.) calling ``get_event_loop`` inside.

tk_async_execute/__init__.py

@@ -27,7 +27,7 @@
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 """
-VERSION = "1.0.1"
+VERSION = "1.1.0"
 
 from .utils import *
 from . import widget

tk_async_execute/utils.py

@@ -156,9 +156,16 @@ def async_execute(
     -----------
     ExecutingAsyncWindow
         The progress TopLevel window responsible for ``coro`` execution.
+
+    Raises
+    --------
+    Exception
+        Exception that occurred in ``coro`` (if it ocurred). Only raised if ``wait`` is True.
     """
     window = ExecutingAsyncWindow(coro, visible, pop_up, callback, master=master)
     if wait:
         window.wait_window()
+        if (exc := window.future.exception()) is not None:
+            raise exc
 
     return window

tk_async_execute/widget.py

@@ -117,7 +117,7 @@ def __init__(
         sys.stdout = self
 
         self.future = future = asyncio.run_coroutine_threadsafe(coro, self.loop)
-        future.add_done_callback(lambda fut: self.after_idle(self.destroy, fut))
+        future.add_done_callback(lambda fut: self.after_idle(self.destroy))
 
     def flush(self):
         pass
@@ -132,14 +132,7 @@ def write(self, text: str):
 
         self.old_stdout.write(text)
 
-    def destroy(self, future: asyncio.Future = None) -> None:
-        if future is not None and (exc := future.exception()) is not None:
-            messagebox.showerror(
-                "Coroutine error",
-                f"{exc}\n(Error while running coroutine: {self.awaitable.__name__})\nType: {exc.__class__}",
-                master=self
-            )
-
+    def destroy(self) -> None:
         sys.stdout = self.old_stdout
 
         if self.callback is not None: