mcatanzaro opened a new issue, #2053:
URL: https://github.com/apache/buildstream/issues/2053
Looks like bst 2.5.0 is unfortunately incompatible with Python 3.14.0rc2.
Here's an example of me trying to run `bst build components/openssl.bst` in the
freedesktop-sdk project using Fedora 43's buildstream package:
```
BUG module 'asyncio' has no attribute 'set_child_watcher'
Traceback (most recent call last):
File "/usr/bin/bst", line 8, in <module>
sys.exit(cli())
~~~^^
File "/usr/lib/python3.14/site-packages/click/core.py", line 1442, in
__call__
return self.main(*args, **kwargs)
~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.14/site-packages/click/core.py", line 1363, in
main
rv = self.invoke(ctx)
File "/usr/lib/python3.14/site-packages/click/core.py", line 1830, in
invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
File "/usr/lib/python3.14/site-packages/click/core.py", line 1226, in
invoke
return ctx.invoke(self.callback, **ctx.params)
~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.14/site-packages/click/core.py", line 794, in
invoke
return callback(*args, **kwargs)
File "/usr/lib/python3.14/site-packages/click/decorators.py", line 46,
in new_func
return f(get_current_context().obj, *args, **kwargs)
File
"/usr/lib64/python3.14/site-packages/buildstream/_frontend/cli.py", line 522,
in build
app.stream.build(
~~~~~~~~~~~~~~~~^
elements,
^^^^^^^^^
...<6 lines>...
retry_failed=retry_failed,
^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/lib64/python3.14/site-packages/buildstream/_stream.py",
line 442, in build
self._run(announce_session=True)
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.14/site-packages/buildstream/_stream.py",
line 1811, in _run
status = self._scheduler.run(self.queues,
self._context.get_cascache().get_casd())
File
"/usr/lib64/python3.14/site-packages/buildstream/_scheduler/scheduler.py", line
53, in wrapper
return func(*args, **kwargs)
File
"/usr/lib64/python3.14/site-packages/buildstream/_scheduler/scheduler.py", line
145, in run
asyncio.set_child_watcher(asyncio.SafeChildWatcher()) # pylint:
disable=deprecated-class
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.14/asyncio/__init__.py", line 74, in
__getattr__
raise AttributeError(f"module {__name__!r} has no attribute
{name!r}")
AttributeError: module 'asyncio' has no attribute 'set_child_watcher'
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib64/python3.14/site-packages/buildstream/_frontend/app.py",
line 538, in _global_exception_handler
self.stream.terminate()
~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/lib64/python3.14/site-packages/buildstream/_stream.py", line
1276, in terminate
self._scheduler.terminate()
~~~~~~~~~~~~~~~~~~~~~~~~~^^
File
"/usr/lib64/python3.14/site-packages/buildstream/_scheduler/scheduler.py", line
242, in terminate
self.loop.call_soon(self._terminate_jobs_real)
^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'call_soon'
Original exception was:
Traceback (most recent call last):
File "/usr/bin/bst", line 8, in <module>
sys.exit(cli())
~~~^^
File "/usr/lib/python3.14/site-packages/click/core.py", line 1442, in
__call__
return self.main(*args, **kwargs)
~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.14/site-packages/click/core.py", line 1363, in main
rv = self.invoke(ctx)
File "/usr/lib/python3.14/site-packages/click/core.py", line 1830, in
invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
File "/usr/lib/python3.14/site-packages/click/core.py", line 1226, in
invoke
return ctx.invoke(self.callback, **ctx.params)
~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.14/site-packages/click/core.py", line 794, in invoke
return callback(*args, **kwargs)
File "/usr/lib/python3.14/site-packages/click/decorators.py", line 46, in
new_func
return f(get_current_context().obj, *args, **kwargs)
File "/usr/lib64/python3.14/site-packages/buildstream/_frontend/cli.py",
line 522, in build
app.stream.build(
~~~~~~~~~~~~~~~~^
elements,
^^^^^^^^^
...<6 lines>...
retry_failed=retry_failed,
^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/lib64/python3.14/site-packages/buildstream/_stream.py", line
442, in build
self._run(announce_session=True)
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.14/site-packages/buildstream/_stream.py", line
1811, in _run
status = self._scheduler.run(self.queues,
self._context.get_cascache().get_casd())
File
"/usr/lib64/python3.14/site-packages/buildstream/_scheduler/scheduler.py", line
53, in wrapper
return func(*args, **kwargs)
File
"/usr/lib64/python3.14/site-packages/buildstream/_scheduler/scheduler.py", line
145, in run
asyncio.set_child_watcher(asyncio.SafeChildWatcher()) # pylint:
disable=deprecated-class
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.14/asyncio/__init__.py", line 74, in __getattr__
raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
AttributeError: module 'asyncio' has no attribute 'set_child_watcher'
```
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