← pod_r5_v1h

rich_3894

resolved RESOLVED PASS · 14 tool calls · 94 s · Textualize/rich

Task input

Handle unusual __qualname__ in inspect

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## Type of changes

- [x] Bug fix
- [ ] New feature
- [ ] Documentation / docstrings
- [x] Tests
- [ ] Other

## Checklist

- [x] I've run the latest [black](https://github.com/psf/black) with default args on new code.
- [x] I've updated CHANGELOG.md and CONTRIBUTORS.md where appropriate (see note about typos above).
- [x] I've added tests for new code.
- [x] I accept that @willmcgugan may be pedantic in the code review.

## Description

I discovered, that an object with an unusual `__qualname__` attribute (not a `str`, e.g. a descriptor) causes `inspect` to fail.
This can happen if an object is created this way intentionally, but I discovered it, when decorating a class with `@functools.lru_cache` which forwards the underlying attributes using a descriptor when it can't add the to it's `__dict__` because the class uses `__slots__`:

```python
from functools import lru_cache
from rich import inspect


@lru_cache
class Klaas:
    __slots__ = ("__qualname__",)


if __name__ == "__main__":
    from rich.traceback import install

    install()

    inspect(Klaas.__qualname__)
    inspect(Klaas, all=True)
```

I fixed it by checking the type of `__qualname__` falling back to `__name__` and if that isn't a `str` using the already provided fallback.

Tool calls (15)

#ToolArgumentsResult
1run_command
{
 "command": "python3 - <<'PY'\nfrom functools import lru_cache\nfrom rich import inspect\n\n@lru_cache\nclass Klaas:\n    __slots__ = (\"__qualname__\",)\n\nif __name__ == \"__main__\":\n    try:\n        inspect(Klaas.__qualname__)\n        print(\"inspect(Klaas.__qualname__) succeeded\")\n    except Exception as e:\n        print(f\"inspect(Klaas.__qualname__) failed: {e}\")\n\n    try:\n        inspect(Klaas, all=True)\n        print(\"inspect(Klaas, all=True) succeeded\")\n    except Exception as e:\n        print(f\"inspect(Klaas, all=True) failed: {e}\")\nPY\n"
}
{"status": "ok", "stdout": "\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 <class 'member_descriptor'> \
full
{"status": "ok", "stdout": "\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 <class 'member_descriptor'> \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e\n\u2502 \u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e \u2502\n\u2502 \u2502 <member '__qualname__' of 'Klaas' objects>               \u2502 \u2502\n\u2502 \u2570\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256f \u2502\n\u2502                                                              \u2502\n\u2502 30 attribute(s) not shown. Run inspect(inspect) for options. \u2502\n\u2570\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256f\ninspect(Klaas.__qualname__) succeeded\ninspect(Klaas, all=True) failed: Only str or Text can be appended to Text\n", "stderr": "", "exit_code": 0}
2run_command
{
 "command": "grep -rn \"__qualname__\" rich | head -20"
}
{"status": "ok", "stdout": "rich/_inspect.py:103: qualname = name or getattr(obj, \"__qualname__\", name)\nrich/_inspect.py:253: f'{getattr(type_, \"__module__\
full
{"status": "ok", "stdout": "rich/_inspect.py:103:        qualname = name or getattr(obj, \"__qualname__\", name)\nrich/_inspect.py:253:        f'{getattr(type_, \"__module__\", \"\")}.{getattr(type_, \"__qualname__\", \"\")}'\n", "stderr": "", "exit_code": 0}
3run_command
{
 "command": "sed -n '90,110p' rich/_inspect.py"
}
{"status": "ok", "stdout": "\n source_filename: Optional[str] = None\n try:\n source_filename = getfile(obj)\n except (OSError, TypeError):\n # OSError is raise
full
{"status": "ok", "stdout": "\n        source_filename: Optional[str] = None\n        try:\n            source_filename = getfile(obj)\n        except (OSError, TypeError):\n            # OSError is raised if obj has no source file, e.g. when defined in REPL.\n            pass\n\n        callable_name = Text(name, style=\"inspect.callable\")\n        if source_filename:\n            callable_name.stylize(f\"link file://{source_filename}\")\n        signature_text = self.highlighter(_signature)\n\n        qualname = name or getattr(obj, \"__qualname__\", name)\n\n        # If obj is a module, there may be classes (which are callable) to display\n        if inspect.isclass(obj):\n            prefix = \"class\"\n        elif inspect.iscoroutinefunction(obj):\n            prefix = \"async def\"\n        else:\n", "stderr": "", "exit_code": 0}
4run_command
{
 "command": "sed -n '240,260p' rich/_inspect.py"
}
{"status": "ok", "stdout": " # some types of classes, such as the ones that use abc.ABCMeta.\n obj = type(obj)\n return getattr(obj, \"__mro__\", ())\n\n\ndef g
full
{"status": "ok", "stdout": "        # some types of classes, such as the ones that use abc.ABCMeta.\n        obj = type(obj)\n    return getattr(obj, \"__mro__\", ())\n\n\ndef get_object_types_mro_as_strings(obj: object) -> Collection[str]:\n    \"\"\"\n    Returns the MRO of an object's class as full qualified names, or of the object itself if it's a class.\n\n    Examples:\n        `object_types_mro_as_strings(JSONDecoder)` will return `['json.decoder.JSONDecoder', 'builtins.object']`\n    \"\"\"\n    return [\n        f'{getattr(type_, \"__module__\", \"\")}.{getattr(type_, \"__qualname__\", \"\")}'\n        for type_ in get_object_types_mro(obj)\n    ]\n\n\ndef is_object_one_of_types(\n    obj: object, fully_qualified_types_names: Collection[str]\n) -> bool:\n", "stderr": "", "exit_code": 0}
5run_command
{
 "command": "python3 - <<'PY'\nfrom functools import lru_cache\nfrom rich import inspect\nimport traceback\n\n@lru_cache\nclass Klaas:\n    __slots__ = (\"__qualname__\",)\n\ntry:\n    inspect(Klaas, all=True)\nexcept Exception:\n    traceback.print_exc()\nPY\n"
}
{"status": "ok", "stdout": "", "stderr": "Traceback (most recent call last):\n File \"<stdin>\", line 10, in <module>\n File \"/private/workspace/rich/__init__.
full
{"status": "ok", "stdout": "", "stderr": "Traceback (most recent call last):\n  File \"<stdin>\", line 10, in <module>\n  File \"/private/workspace/rich/__init__.py\", line 173, in inspect\n    _console.print(_inspect)\n    ~~~~~~~~~~~~~~^^^^^^^^^^\n  File \"/private/workspace/rich/console.py\", line 1698, in print\n    renderables = self._collect_renderables(\n        objects,\n    ...<5 lines>...\n        highlight=highlight,\n    )\n  File \"/private/workspace/rich/console.py\", line 1555, in _collect_renderables\n    renderable = rich_cast(renderable)\n  File \"/private/workspace/rich/protocol.py\", line 36, in rich_cast\n    renderable = cast_method()\n  File \"/private/workspace/rich/_inspect.py\", line 76, in __rich__\n    Group(*self._render()),\n    ~~~~~^^^^^^^^^^^^^^^^^\n  File \"/private/workspace/rich/_inspect.py\", line 153, in _render\n    signature = self._get_signature(\"\", obj)\n  File \"/private/workspace/rich/_inspect.py\", line 113, in _get_signature\n    qual_signature = Text.assemble(\n        (f\"{prefix} \", f\"inspect.{prefix.replace(' ', '_')}\"),\n        (qualname, \"inspect.callable\"),\n        signature_text,\n    )\n  File \"/private/workspace/rich/text.py\", line 397, in assemble\n    append(*part)\n    ~~~~~~^^^^^^^\n  File \"/private/workspace/rich/text.py\", line 979, in append\n    raise TypeError(\"Only str or Text can be appended to Text\")\nTypeError: Only str or Text can be appended to Text\n", "exit_code": 0}
6run_command
{
 "command": "sed -n '100,120p' rich/_inspect.py"
}
{"status": "ok", "stdout": " callable_name.stylize(f\"link file://{source_filename}\")\n signature_text = self.highlighter(_signature)\n\n qualname = name or ge
full
{"status": "ok", "stdout": "            callable_name.stylize(f\"link file://{source_filename}\")\n        signature_text = self.highlighter(_signature)\n\n        qualname = name or getattr(obj, \"__qualname__\", name)\n\n        # If obj is a module, there may be classes (which are callable) to display\n        if inspect.isclass(obj):\n            prefix = \"class\"\n        elif inspect.iscoroutinefunction(obj):\n            prefix = \"async def\"\n        else:\n            prefix = \"def\"\n\n        qual_signature = Text.assemble(\n            (f\"{prefix} \", f\"inspect.{prefix.replace(' ', '_')}\"),\n            (qualname, \"inspect.callable\"),\n            signature_text,\n        )\n\n        return qual_signature\n\n", "stderr": "", "exit_code": 0}
7run_command
{
 "command": "cd /workspace && python3 - <<'PY'\nfrom pathlib import Path\np = Path(\"rich/_inspect.py\")\ns = p.read_text()\nold = \"\"\"        qualname = name or getattr(obj, \"__qualname__\", name)\"\"\"\nnew = \"\"\"        qualname = name or getattr(obj, \"__qualname__\", name)\n        if not isinstance(qualname, str):\n            qualname = getattr(obj, \"__name__\", name)\n            if not isinstance(qualname, str):\n                qualname = name\"\"\"\nassert s.count(old) == 1, (\"old text found this many times:\", s.count(old))\nt = s.replace(old, new)\np.write_text(t)\nPY\n"
}
{"status": "ok", "stdout": "", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "", "stderr": "", "exit_code": 0}
8run_command
{
 "command": "python3 - <<'PY'\nfrom functools import lru_cache\nfrom rich import inspect\n\n@lru_cache\nclass Klaas:\n    __slots__ = (\"__qualname__\",)\n\nif __name__ == \"__main__\":\n    try:\n        inspect(Klaas.__qualname__)\n        print(\"inspect(Klaas.__qualname__) succeeded\")\n    except Exception as e:\n        print(f\"inspect(Klaas.__qualname__) failed: {e}\")\n\n    try:\n        inspect(Klaas, all=True)\n        print(\"inspect(Klaas, all=True) succeeded\")\n    except Exception as e:\n        print(f\"inspect(Klaas, all=True) failed: {e}\")\nPY\n"
}
{"status": "ok", "stdout": "\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 <class 'member_descriptor'> \
full
{"status": "ok", "stdout": "\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 <class 'member_descriptor'> \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e\n\u2502 \u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e \u2502\n\u2502 \u2502 <member '__qualname__' of 'Klaas' objects>               \u2502 \u2502\n\u2502 \u2570\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256f \u2502\n\u2502                                                              \u2502\n\u2502 30 attribute(s) not shown. Run inspect(inspect) for options. \u2502\n\u2570\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256f\ninspect(Klaas.__qualname__) succeeded\n\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 <functools._lru_cache_wrapper object at 0x101a8d7a0> \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e\n\u2502 def Klaas():                                                                 \u2502\n\u2502
9run_command
{
 "command": "grep -n \"__qualname__\" rich/_inspect.py"
}
{"status": "ok", "stdout": "103: qualname = name or getattr(obj, \"__qualname__\", name)\n257: f'{getattr(type_, \"__module__\", \"\")}.{getattr(type_, \"__qual
full
{"status": "ok", "stdout": "103:        qualname = name or getattr(obj, \"__qualname__\", name)\n257:        f'{getattr(type_, \"__module__\", \"\")}.{getattr(type_, \"__qualname__\", \"\")}'\n", "stderr": "", "exit_code": 0}
10run_command
{
 "command": "cd /workspace && python3 - <<'PY'\nfrom pathlib import Path\np = Path(\"rich/_inspect.py\")\ns = p.read_text()\nold = \"\"\"        f'{getattr(type_, \"__module__\", \"\")}.{getattr(type_, \"__qualname__\", \"\")}'\"\"\"\nnew = \"\"\"        qualname = getattr(type_, \"__qualname__\", \"\")\n        if not isinstance(qualname, str):\n            qualname = getattr(type_, \"__name__\", \"\")\n        module = getattr(type_, \"__module__\", \"\")\n        return f\"{module}.{qualname}\" if module and isinstance(module, str) else qualname\"\"\"\n# This replacement is more complex because it's inside a list comprehension.\n# Let's see the context.\nPY\n"
}
{"status": "ok", "stdout": "", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "", "stderr": "", "exit_code": 0}
11run_command
{
 "command": "sed -n '250,265p' rich/_inspect.py"
}
{"status": "ok", "stdout": " \"\"\"\n Returns the MRO of an object's class as full qualified names, or of the object itself if it's a class.\n\n Examples:\n `ob
full
{"status": "ok", "stdout": "    \"\"\"\n    Returns the MRO of an object's class as full qualified names, or of the object itself if it's a class.\n\n    Examples:\n        `object_types_mro_as_strings(JSONDecoder)` will return `['json.decoder.JSONDecoder', 'builtins.object']`\n    \"\"\"\n    return [\n        f'{getattr(type_, \"__module__\", \"\")}.{getattr(type_, \"__qualname__\", \"\")}'\n        for type_ in get_object_types_mro(obj)\n    ]\n\n\ndef is_object_one_of_types(\n    obj: object, fully_qualified_types_names: Collection[str]\n) -> bool:\n    \"\"\"\n", "stderr": "", "exit_code": 0}
12run_command
{
 "command": "cd /workspace && python3 - <<'PY'\nfrom pathlib import Path\np = Path(\"rich/_inspect.py\")\ns = p.read_text()\nold = \"\"\"    return [\n        f'{getattr(type_, \"__module__\", \"\")}.{getattr(type_, \"__qualname__\", \"\")}'\n        for type_ in get_object_types_mro(obj)\n    ]\"\"\"\ndef get_name(type_):\n    qualname = getattr(type_, \"__qualname__\", \"\")\n    if not isinstance(qualname, str):\n        qualname = getattr(type_, \"__name__\", \"\")\n    if not isinstance(qualname, str):\n        qualname = \"\"\n    module = getattr(type_, \"__module__\", \"\")\n    if not isinstance(module, str):\n        module = \"\"\n    return f\"{module}.{qualname}\" if module else qualname\n\n# Actually, the issue was specifically about __qualname__ not being a str.\n# The original PR mentioned: \"I fixed it by checking the type of __qualname__ falling back to __name__ and if that isn't a str using the already provided fallback.\"\n\n# Let's rewrite the function to be more robust.\n\nnew = \"\"\"    mro = get_object_types_mro(obj)\n    result = []\n    for type_ in mro:\n        qualname = getattr(type_, \"__qualname__\", \"\")\n        if not isinstance(qualname, str):\n            qualname = getattr(type_, \"__name__\", \"\")\n        if not isinstance(qualname, str):\n            qualname = \"\"\n        module = getattr(type_, \"__module__\", \"\")\n        if not isinstance(module, str):\n            module = \"\"\n        result.append(f\"{module}.{qualname}\" if module else qualname)\n    return result\"\"\"\nassert s.count(old) == 1, (\"old text found this many times:\", s.count(old))\nt = s.replace(old, new)\np.write_text(t)\nPY\n"
}
{"status": "ok", "stdout": "", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "", "stderr": "", "exit_code": 0}
13run_command
{
 "command": "python3 - <<'PY'\nfrom functools import lru_cache\nfrom rich import inspect\n\n@lru_cache\nclass Klaas:\n    __slots__ = (\"__qualname__\",)\n\nif __name__ == \"__main__\":\n    try:\n        inspect(Klaas.__qualname__)\n        print(\"inspect(Klaas.__qualname__) succeeded\")\n    except Exception as e:\n        print(f\"inspect(Klaas.__qualname__) failed: {e}\")\n\n    try:\n        inspect(Klaas, all=True)\n        print(\"inspect(Klaas, all=True) succeeded\")\n    except Exception as e:\n        print(f\"inspect(Klaas, all=True) failed: {e}\")\nPY\n"
}
{"status": "ok", "stdout": "\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 <class 'member_descriptor'> \
full
{"status": "ok", "stdout": "\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 <class 'member_descriptor'> \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e\n\u2502 \u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e \u2502\n\u2502 \u2502 <member '__qualname__' of 'Klaas' objects>               \u2502 \u2502\n\u2502 \u2570\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256f \u2502\n\u2502                                                              \u2502\n\u2502 30 attribute(s) not shown. Run inspect(inspect) for options. \u2502\n\u2570\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256f\ninspect(Klaas.__qualname__) succeeded\n\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 <functools._lru_cache_wrapper object at 0x10349d7a0> \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e\n\u2502 def Klaas():                                                                 \u2502\n\u2502
14run_command
{
 "command": "git status"
}
{"status": "ok", "stdout": "On branch main\nChanges not staged for commit:\n (use \"git add <file>...\" to update what will be committed)\n (use \"git restore <
full
{"status": "ok", "stdout": "On branch main\nChanges not staged for commit:\n  (use \"git add <file>...\" to update what will be committed)\n  (use \"git restore <file>...\" to discard changes in working directory)\n\tmodified:   rich/_inspect.py\n\nno changes added to commit (use \"git add\" and/or \"git commit -a\")\n", "stderr": "", "exit_code": 0}
15submit_patch
{}
{"status": "ok", "patch_size": 1517, "files_changed": 1}
full
{"status": "ok", "patch_size": 1517, "files_changed": 1}

Patch

diff --git a/rich/_inspect.py b/rich/_inspect.py
index 27d65cec..76718e88 100644
--- a/rich/_inspect.py
+++ b/rich/_inspect.py
@@ -101,6 +101,10 @@ class Inspect(JupyterMixin):
         signature_text = self.highlighter(_signature)
 
         qualname = name or getattr(obj, "__qualname__", name)
+        if not isinstance(qualname, str):
+            qualname = getattr(obj, "__name__", name)
+            if not isinstance(qualname, str):
+                qualname = name
 
         # If obj is a module, there may be classes (which are callable) to display
         if inspect.isclass(obj):
@@ -249,10 +253,19 @@ def get_object_types_mro_as_strings(obj: object) -> Collection[str]:
     Examples:
         `object_types_mro_as_strings(JSONDecoder)` will return `['json.decoder.JSONDecoder', 'builtins.object']`
     """
-    return [
-        f'{getattr(type_, "__module__", "")}.{getattr(type_, "__qualname__", "")}'
-        for type_ in get_object_types_mro(obj)
-    ]
+    mro = get_object_types_mro(obj)
+    result = []
+    for type_ in mro:
+        qualname = getattr(type_, "__qualname__", "")
+        if not isinstance(qualname, str):
+            qualname = getattr(type_, "__name__", "")
+        if not isinstance(qualname, str):
+            qualname = ""
+        module = getattr(type_, "__module__", "")
+        if not isinstance(module, str):
+            module = ""
+        result.append(f"{module}.{qualname}" if module else qualname)
+    return result
 
 
 def is_object_one_of_types(

Test output

show
...s....sss...................................                           [100%]
42 passed, 4 skipped in 0.14s