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oracle / graalpython

A Python 3 implementation built on GraalVM
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AttributeError: module 'sys' has no attribute 'get_asyncgen_hooks' #300

Closed oroppas closed 1 year ago

oroppas commented 1 year ago

Here's how to replicate the error:

  1. graalpy -m pip install textual
  2. graalpy -m textual

and the traceback

(graalpy) [ryuta@fedora tmp]$ graalpy -m textual
Traceback (most recent call last):
  File "/home/ryuta/packages/graalvm/graalvm/graal/sdk/mxbuild/linux-amd64/GRAALVM_3666026860_JAVA17/graalvm-3666026860-java17-23.0.0-dev/languages/python/lib/python3.10/asyncio/runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "/home/ryuta/packages/graalvm/graalvm/graal/sdk/mxbuild/linux-amd64/GRAALVM_3666026860_JAVA17/graalvm-3666026860-java17-23.0.0-dev/languages/python/lib/python3.10/asyncio/base_events.py", line 636, in run_until_complete
    self.run_forever()
  File "/home/ryuta/packages/graalvm/graalvm/graal/sdk/mxbuild/linux-amd64/GRAALVM_3666026860_JAVA17/graalvm-3666026860-java17-23.0.0-dev/languages/python/lib/python3.10/asyncio/base_events.py", line 595, in run_forever
    old_agen_hooks = sys.get_asyncgen_hooks()
AttributeError: module 'sys' has no attribute 'get_asyncgen_hooks'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/home/ryuta/packages/graalvm/graalvm/graal/sdk/mxbuild/linux-amd64/GRAALVM_3666026860_JAVA17/graalvm-3666026860-java17-23.0.0-dev/languages/python/lib/python3.10/runpy.py", line 196, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/home/ryuta/packages/graalvm/graalvm/graal/sdk/mxbuild/linux-amd64/GRAALVM_3666026860_JAVA17/graalvm-3666026860-java17-23.0.0-dev/languages/python/lib/python3.10/runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "/home/ryuta/packages/graalvm/graalpy/lib/python3.10/site-packages/textual/__main__.py", line 6, in <module>
    app.run()
  File "/home/ryuta/packages/graalvm/graalpy/lib/python3.10/site-packages/textual/app.py", line 873, in run
    asyncio.run(run_app())
  File "/home/ryuta/packages/graalvm/graalvm/graal/sdk/mxbuild/linux-amd64/GRAALVM_3666026860_JAVA17/graalvm-3666026860-java17-23.0.0-dev/languages/python/lib/python3.10/asyncio/runners.py", line 47, in run
    _cancel_all_tasks(loop)
  File "/home/ryuta/packages/graalvm/graalvm/graal/sdk/mxbuild/linux-amd64/GRAALVM_3666026860_JAVA17/graalvm-3666026860-java17-23.0.0-dev/languages/python/lib/python3.10/asyncio/runners.py", line 63, in _cancel_all_tasks
    loop.run_until_complete(tasks.gather(*to_cancel, return_exceptions=True))
  File "/home/ryuta/packages/graalvm/graalvm/graal/sdk/mxbuild/linux-amd64/GRAALVM_3666026860_JAVA17/graalvm-3666026860-java17-23.0.0-dev/languages/python/lib/python3.10/asyncio/base_events.py", line 636, in run_until_complete
    self.run_forever()
  File "/home/ryuta/packages/graalvm/graalvm/graal/sdk/mxbuild/linux-amd64/GRAALVM_3666026860_JAVA17/graalvm-3666026860-java17-23.0.0-dev/languages/python/lib/python3.10/asyncio/base_events.py", line 595, in run_forever
    old_agen_hooks = sys.get_asyncgen_hooks()
AttributeError: module 'sys' has no attribute 'get_asyncgen_hooks'
msimacek commented 1 year ago

Hi Ryuta, GraalPy doesn't yet have support for asyncio in general. It's currently being worked on

oroppas commented 1 year ago

Hi Michael. It's good to know asyncio is being worked on!

oroppas commented 1 year ago

2494d46 fixed the error.