René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"AttributeError: dlsym failed","articleBody":"Hi! I'm trying to run prompt-toolkit (the main prompt engine for xonsh shell) and facing with exception.\n```xsh\n# rustpython v0.4.0 (https://github.com/RustPython/RustPython#92acf339)\nrustpython -m pip install prompt-toolkit # 3.0.52\n```\nptk.py:\n```xsh\nfrom prompt_toolkit import prompt\ntext = prompt(\"Say something: \")\nprint(\"You said:\", text)\n```\nRun:\n```xsh\n~/.cargo/bin/rustpython ptk.py\n```\n```xsh\nTraceback (most recent call last):\n  File \"ptk.py\", line 3, in \u003cmodule\u003e\n    text = prompt(\"Say something: \")\n  File \"/Users/pc/.local/lib/rustpython3.13/site-packages/prompt_toolkit/shortcuts/prompt.py\", line 1494, in prompt\n    inputhook=inputhook,\n  File \"/Users/pc/.local/lib/rustpython3.13/site-packages/prompt_toolkit/shortcuts/prompt.py\", line 1059, in prompt\n    inputhook=inputhook,\n  File \"/Users/pc/.local/lib/rustpython3.13/site-packages/prompt_toolkit/application/application.py\", line 1002, in run\n    return asyncio.run(coro)\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/asyncio/runners.py\", line 193, in run\n    with Runner(debug=debug, loop_factory=loop_factory) as runner:\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/asyncio/runners.py\", line 194, in run\n    return runner.run(main)\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/asyncio/runners.py\", line 129, in run\n    signal.signal(signal.SIGINT, signal.default_int_handler)\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/asyncio/runners.py\", line 124, in run\n    raise  # CancelledError\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/asyncio/runners.py\", line 118, in run\n    return self._loop.run_until_complete(task)\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/asyncio/base_events.py\", line 687, in run_until_complete\n    return future.result()\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/asyncio/futures.py\", line 203, in result\n    raise self._exception.with_traceback(self._exception_tb)\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/asyncio/tasks.py\", line 314, in __step_run_and_handle_result\n    result = coro.send(None)\n  File \"/Users/pc/.local/lib/rustpython3.13/site-packages/prompt_toolkit/application/application.py\", line 865, in run_async\n    with ExitStack() as stack:\n  File \"/Users/pc/.local/lib/rustpython3.13/site-packages/prompt_toolkit/application/application.py\", line 877, in run_async\n    stack.enter_context(set_handle_sigint(loop))\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/contextlib.py\", line 530, in enter_context\n    result = _enter(cm)\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/contextlib.py\", line 143, in __enter__\n    raise RuntimeError(\"generator didn't yield\") from None\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/contextlib.py\", line 141, in __enter__\n    return next(self.gen)\n  File \"/Users/pc/.local/lib/rustpython3.13/site-packages/prompt_toolkit/application/application.py\", line 810, in set_handle_sigint\n    with _restore_sigint_from_ctypes():\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/contextlib.py\", line 143, in __enter__\n    raise RuntimeError(\"generator didn't yield\") from None\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/contextlib.py\", line 141, in __enter__\n    return next(self.gen)\n  File \"/Users/pc/.local/lib/rustpython3.13/site-packages/prompt_toolkit/application/application.py\", line 1610, in _restore_sigint_from_ctypes\n    pythonapi.PyOS_getsig.restype = c_void_p\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/ctypes/__init__.py\", line 412, in __getattr__\n    func = self.__getitem__(name)\n  File \"/Users/pc/.cargo/git/checkouts/rustpython-63090cdce5e18442/92acf33/crates/pylib/Lib/ctypes/__init__.py\", line 417, in __getitem__\n    func = self._FuncPtr((name_or_ordinal, self))\nAttributeError: dlsym failed\n```","author":{"url":"https://github.com/anki-code","@type":"Person","name":"anki-code"},"datePublished":"2025-12-25T05:16:06.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/6510/RustPython/issues/6510"}