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ROLLOUT 6 · samuelcolvin/pydantic

samuelcolvin__pydantic-3177

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13model calls
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Empty agent patch

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System instructions 4,822 characters
You are a principal Python software engineer resolving a repository issue in `/workspace`.
Your sole objective is to produce a minimal, root-cause source patch that passes every hidden fail-to-pass and pass-to-pass regression test on the first grading run.

## Critical Environment & Grader Rules
1. **Air-Gapped Sandbox & Available CLI Tools**: No network access. Never run `pip`, `uv`, `conda`, or `git fetch`. Note: `rg` (`ripgrep`) is NOT installed in the container — always use `grep -rn --include="*.py"` for fast exact searches so you never waste a tool call on `command not found`.
2. **Protected Grading Paths**: Before running official verification, the grading harness **strips and reverts all changes** to `tests/`, `test/`, `testing/`, `test_*.py`, `*_test.py`, `conftest.py`, `pyproject.toml`, `setup.cfg`, `pytest.ini`, and `tox.ini`. Every part of your fix MUST reside in non-test production source files.
3. **Untracked File Trap (`git add -N .`)**: `submit_patch` stages ALL untracked files inside `/workspace`! Never leave reproduction or scratch files inside `/workspace` — run reproductions inline via `python3 - <<'PY'` or inside `/tmp/repro.py` in a single `run_command`.
4. **Stdout Truncation Rule**: `run_command` truncates stdout after the first 5,000 characters from the TOP. Always run pytest quietly with short tracebacks:
   `pytest path/to/test_file.py -k pattern -q --tb=short --no-header`
   If a test file is large, redirect output to `/tmp/pytest.log` and inspect `tail -n 80 /tmp/pytest.log` so failure tracebacks at the bottom are never cut off.
5. **Strict Pacing Discipline**: `get_status` and `submit_patch` are free and do NOT count toward `max_tool_calls`. Target **16-22 counted tool calls total**, and **begin your first `edit_file` change no later than tool call 15**. Reserve at least 4 calls for verification, `git status --short && git diff`, and submission.

## Execution Protocol

### Phase 1 — Pinpoint Code & Tests Immediately (1-2 tool calls)
- The user message already contains `Workspace Layout` — do NOT waste a turn running `ls` on top-level directories.
- Run a single compound `run_command` with `grep -rn --include="*.py"` to locate:
  (a) the exact symbols, error strings, or functions from the problem description,
  (b) **all parallel or sibling implementations** (for example sync + async variants, `Client` + `AsyncClient`, serializer + deserializer, multiple backends/dialects, base + subclass methods, `__init__.py` / `__all__` exports), and
  (c) the closest existing unit test files under `tests/`.

### Phase 2 — Deep Read & Spec Anchor (2-5 tool calls)
- Use `read_file` with generous `start_line` and `end_line` windows (180-300 lines per call so you read whole modules in fewer calls) on the target function/class, callers, type annotations, and neighboring tests.
- Before editing, verify every explicit and implicit requirement from the issue: exact parameter names, defaults, boundary/domain edge cases, exception types/messages, `None` vs empty collection vs falsy (`0`, `False`, `""`) semantics, mutability/copying, and return types.

### Phase 3 — Reproduce Bug in One Call (1 tool call)
- Run ONE concise command (`python3 - <<'PY' ... PY` or targeted `pytest ... -q --tb=short --no-header`) via `run_command` to observe the exact pre-fix failure. Do NOT spend multiple tool calls writing separate reproduction scripts.

### Phase 4 — Surgical Implementation Across All Parallel Paths (1-4 tool calls)
- Begin editing by tool call 15! Use `edit_file` with 4-6 lines of exact surrounding context copied from `read_file`.
- Update ALL parallel codepaths (sync/async, multiple classes/dialects, type hints) consistently so partial fixes do not fail sibling tests.
- **2-Strike Edit Rule**: If `edit_file` fails twice on the same block due to whitespace or escaping, do not retry `edit_file` a third time — apply an atomic Python transformation via `run_command` and immediately verify `python3 -m py_compile path/to/file.py`.

### Phase 5 — Edge-Case Verification, Diff Hygiene & Clean Exit (2-4 tool calls)
- Run a single compound `run_command` testing both your reproduction + boundary edge cases (`None`, empty input, leading/trailing delimiters, subdomain/prefix boundaries, subclass/async parity) AND the relevant existing `pytest` module(s) with `-q --tb=short --no-header`.
- Run `git status --short && git diff` via `run_command`. Confirm:
  - ZERO untracked (`??`) files in `/workspace` (`rm -f` any untracked workspace files immediately),
  - ZERO modifications to `tests/` or protected config files (`git checkout -- tests/` if touched),
  - Minimal, clean diff with valid imports and indentation.
- Call `submit_patch` once verification passes, then respond with a brief 2-sentence plain-text summary and make NO further tool calls.
Task prompt 5,779 characters
You are evaluating a software engineering task for repository samuelcolvin/pydantic.

Problem Statement:
"extra" config not respected for TypedDicts in functions
### Checks

* [x] I added a descriptive title to this issue
* [x] I have searched (google, github) for similar issues and couldn't find anything
* [x] I have read and followed [the docs](https://pydantic-docs.helpmanual.io/) and still think this is a bug

<!-- Sorry to sound so draconian, but every second saved replying to issues is time spend improving pydantic :-) -->

# Bug

Output of `python -c "import pydantic.utils; print(pydantic.utils.version_info())"`:
```
             pydantic version: 1.8.2
            pydantic compiled: False
                 install path: /home/msharma216/.local/lib/python3.8/site-packages/pydantic
               python version: 3.8.0 (default, Feb 25 2021, 22:10:10)  [GCC 8.4.0]
                     platform: Linux-4.4.0-19041-Microsoft-x86_64-with-glibc2.27
     optional deps. installed: ['typing-extensions']

```
<!-- or if you're using pydantic prior to v1.3, manually include: OS, python version and pydantic version -->

<!-- Please read the [docs](https://pydantic-docs.helpmanual.io/) and search through issues to
confirm your bug hasn't already been reported. -->

<!-- Where possible please include a self-contained code snippet describing your bug: -->

When trying to use the `validate_arguments` decorator, I face the issue of getting validation errors for an extra attribute for a TypedDict as below:

```py
from typing_extensions import TypedDict

from pydantic import validate_arguments, Extra


class TypedTest(TypedDict):
    y: str


@validate_arguments(config={'extra': Extra.allow})
def test(other: TypedTest):
    pass


test(other={'y': 'b', 'z': 'a'})

```

Output:
```
pydantic.error_wrappers.ValidationError: 1 validation error for Test
other -> z
  extra fields not permitted (type=value_error.extra)
```

Expected: No errors

Anything I have missed that would let this validation pass for extra attributes in the TypedDict?

Thanks very much!

## Task Budget (Session terminates when any budget is exhausted)
- Time allowance: 7.5 minutes
- Tool calls allowance: 30 calls
- Max loop iterations: 40 turns

## Execution Environment Rules
- Single command timeout: 90 seconds (commands exceeding this fail without ending the session)
- Command output limit: 5000 characters
- File view limit: 150 lines per read_file call
- File character limit: 10000 characters per read_file call
- Environment is offline (no network/PyPI access). All repository and test dependencies are ALREADY pre-installed. Do NOT attempt to run pip install or download packages.

## Instructions:
0. All source code is under `/workspace`. Do NOT search outside `/workspace` (e.g. `/usr/`, `/wheels/`, system site-packages). If imports fail, the issue is in the source code under `/workspace`, not in missing system packages.
1. Analyze the problem statement and any provided hints carefully to identify all requested script paths, CLI subcommands, or Python modules.
2. Inspect existing codebase conventions and test files before making edits.
3. Verify your implementation using targeted tests or inline assertions before submitting.
4. Call submit_patch only after your implementation is complete and verified.
5. As your final action, you must return a text-only response reporting your completion to terminate the session.
## Workspace Layout
The repository is located at `/workspace`. Here is the directory tree (up to 3 levels):
```
./HISTORY.md
./LICENSE
./MANIFEST.in
./Makefile
./README.md
./benchmarks
./changes
./changes/1807-xavier.md
./changes/1831-fnep.md
./changes/1895-PrettyWood.md
./changes/1983-vgerak.md
./changes/2060-uriyyo.md
./changes/2341-alecgerona.md
./changes/2375-maximberg.md
./changes/2425-Kludex.md
./changes/2447-MihanixA.md
./changes/2463-nuno-andre.md
./changes/2465-daviskirk.md
./changes/2489-koxudaxi.md
./changes/2512-sbv-csis.md
./changes/2515-PrettyWood.md
./changes/2517-peterroelants.md
./changes/2519-daviskirk.md
./changes/2524-cwe5590.md
./changes/2567-postgres-asyncpg.md
./changes/2572-paxcodes.md
./changes/2580-samuelcolvin.md
./changes/2707-PrettyWood.md
./changes/2712-RatulMaharaj.md
./changes/2718-nuno-andre.md
./changes/2719-PrettyWood.md
./changes/2724-shahriyarr.md
./changes/2733-krisaoe.md
./changes/2743-uriyyo.md
./changes/2748-uriyyo.md
./changes/2753-uriyyo.md
./changes/2760-jameysharp.md
./changes/2794-PrettyWood.md
./changes/2810-sergejkozin.md
./changes/2855-paxcodes.md
./changes/2856-paxcodes.md
./changes/2860-geekingfrog.md
./changes/2885-PrettyWood.md
./changes/2908-jrwalk.md
./changes/2913-gbdlin.md
./changes/2929-samuelcolvin.md
./changes/2936-cbartz.md
./changes/2989-hmvp.md
./changes/3008-PrettyWood.md
./changes/3018-JacobHayes.md
./changes/3038-matthewhughes934.md
./changes/3043-zulrang.md
./changes/3062-PrettyWood.md
./changes/3135-PrettyWood.md
./changes/660-daviskirk.md
./changes/README.md
./changes/make_history.py
./docs
./mkdocs.yml
./pydantic
./pydantic/__init__.py
./pydantic/_hypothesis_plugin.py
./pydantic/annotated_types.py
./pydantic/class_validators.py
./pydantic/color.py
./pydantic/config.py
./pydantic/dataclasses.py
./pydantic/datetime_parse.py
./pydantic/decorator.py
./pydantic/env_settings.py
./pydantic/error_wrappers.py
./pydantic/errors.py
./pydantic/fields.py
./pydantic/generics.py
./pydantic/json.py
./pydantic/main.py
./pydantic/mypy.py
./pydantic/networks.py
./pydantic/parse.py
./pydantic/py.typed
./pydantic/schema.py
./pydantic/tools.py
./pydantic/types.py
./pydantic/typing.py
./pydantic/utils.py
./pydantic/validators.py
./pydantic/version.py
./requirements.txt
./setup.cfg
./setup.py
./tests
```
Turn 1at 17 s341 tokens out4,043 prompt tokens
The user is reporting a bug where `extra` config (specifically `Extra.allow`) is not respected for `TypedDict` when using the `validate_arguments` decorator in Pydantic v1.8.2.

Example provided:
```python
from typing_extensions import TypedDict
from pydantic import validate_arguments, Extra

class TypedTest(TypedDict):
    y: str

@validate_arguments(config={'extra': Extra.allow})
def test(other: TypedTest):
    pass

test(other={'y': 'b', 'z': 'a'})
```
This results in `pydantic.error_wrappers.ValidationError: 1 validation error for Test\nother -> z\n  extra fields not permitted (type=value_error.extra)`.
The expected behavior is that no error should be raised.

I need to investigate how `validate_arguments` and `TypedDict` are handled in Pydantic.

First, I will reproduce the bug.
TOOL CALL · run_command
{
  "command": "python3 - <<'PY'\nfrom typing_extensions import TypedDict\nfrom pydantic import validate_arguments, Extra\n\nclass TypedTest(TypedDict):\n    y: str\n\n@validate_arguments(config={'extra': Extra.allow})\ndef test(other: TypedTest):\n    pass\n\ntry:\n    test(other={'y': 'b', 'z': 'a'})\n    print(\"Success\")\nexcept Exception as e:\n    print(e)\nPY\n"
}
Result of run_command 156 characters
{
  "status": "ok",
  "stdout": "1 validation error for Test\nother -> z\n  extra fields not permitted (type=value_error.extra)\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 341 tokens · stopped: STOP
<|channel>thought The user is reporting a bug where `extra` config (specifically `Extra.allow`) is not respected for `TypedDict` when using the `validate_arguments` decorator in Pydantic v1.8.2. Example provided: ```python from typing_extensions import TypedDict from pydantic import validate_arguments, Extra class TypedTest(TypedDict): y: str @validate_arguments(config={'extra': Extra.allow}) def test(other: TypedTest): pass test(other={'y': 'b', 'z': 'a'}) ``` This results in `pydantic.error_wrappers.ValidationError: 1 validation error for Test\nother -> z\n extra fields not permitted (type=value_error.extra)`. The expected behavior is that no error should be raised. I need to investigate how `validate_arguments` and `TypedDict` are handled in Pydantic. First, I will reproduce the bug.<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY' from typing_extensions import TypedDict from pydantic import validate_arguments, Extra class TypedTest(TypedDict): y: str @validate_arguments(config={'extra': Extra.allow}) def test(other: TypedTest): pass try: test(other={'y': 'b', 'z': 'a'}) print("Success") except Exception as e: print(e) PY <|"|>}<tool_call|><|tool_response>
Turn 2at 23 s100 tokens out4,450 prompt tokens
The bug is reproduced. Now I need to find where `validate_arguments` is defined and how it handles `TypedDict` and the `extra` config.

`validate_arguments` is likely in `pydantic/decorator.py`.
I'll search for `validate_arguments` in the codebase.
TOOL CALL · run_command
{
  "command": "grep -rn --include=\"*.py\" \"validate_arguments\" pydantic/"
}
Result of run_command 977 characters
{
  "status": "ok",
  "stdout": "pydantic/fields.py:407:                    # check also `Required` because of `validate_arguments` that sets `...` as default value\npydantic/decorator.py:11:__all__ = ('validate_arguments',)\npydantic/decorator.py:21:def validate_arguments(func: None = None, *, config: 'ConfigType' = None) -> Callable[['AnyCallableT'], 'AnyCallableT']:\npydantic/decorator.py:26:def validate_arguments(func: 'AnyCallableT') -> 'AnyCallableT':\npydantic/decorator.py:30:def validate_arguments(func: Optional['AnyCallableT'] = None, *, config: 'ConfigType' = None) -> Any:\npydantic/decorator.py:69:                f'are not permitted as argument names when using the \"{validate_arguments.__name__}\" decorator'\npydantic/decorator.py:218:                '@validate_arguments is not yet supported, please remove.'\npydantic/__init__.py:6:from .decorator import validate_arguments\npydantic/__init__.py:35:    'validate_arguments',\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 100 tokens · stopped: STOP
The bug is reproduced. Now I need to find where `validate_arguments` is defined and how it handles `TypedDict` and the `extra` config. `validate_arguments` is likely in `pydantic/decorator.py`. I'll search for `validate_arguments` in the codebase. <channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "validate_arguments" pydantic/<|"|>}<tool_call|><|tool_response>
Turn 3at 27 s54 tokens out4,856 prompt tokens
`validate_arguments` is indeed in `pydantic/decorator.py`.

Let's read `pydantic/decorator.py`.
TOOL CALL · read_file
{
  "filepath": "pydantic/decorator.py"
}
Result of read_file 5,804 characters
{
  "status": "ok",
  "filepath": "pydantic/decorator.py",
  "content": "from functools import wraps\nfrom typing import TYPE_CHECKING, Any, Callable, Dict, List, Mapping, Optional, Tuple, Type, TypeVar, Union, overload\n\nfrom . import validator\nfrom .config import Extra\nfrom .errors import ConfigError\nfrom .main import BaseModel, create_model\nfrom .typing import get_all_type_hints\nfrom .utils import to_camel\n\n__all__ = ('validate_arguments',)\n\nif TYPE_CHECKING:\n    from .typing import AnyCallable\n\n    AnyCallableT = TypeVar('AnyCallableT', bound=AnyCallable)\n    ConfigType = Union[None, Type[Any], Dict[str, Any]]\n\n\n@overload\ndef validate_arguments(func: None = None, *, config: 'ConfigType' = None) -> Callable[['AnyCallableT'], 'AnyCallableT']:\n    ...\n\n\n@overload\ndef validate_arguments(func: 'AnyCallableT') -> 'AnyCallableT':\n    ...\n\n\ndef validate_arguments(func: Optional['AnyCallableT'] = None, *, config: 'ConfigType' = None) -> Any:\n    \"\"\"\n    Decorator to validate the arguments passed to a function.\n    \"\"\"\n\n    def validate(_func: 'AnyCallable') -> 'AnyCallable':\n        vd = ValidatedFunction(_func, config)\n\n        @wraps(_func)\n        def wrapper_function(*args: Any, **kwargs: Any) -> Any:\n            return vd.call(*args, **kwargs)\n\n        wrapper_function.vd = vd  # type: ignore\n        wrapper_function.validate = vd.init_model_instance  # type: ignore\n        wrapper_function.raw_function = vd.raw_function  # type: ignore\n        wrapper_function.model = vd.model  # type: ignore\n        return wrapper_function\n\n    if func:\n        return validate(func)\n    else:\n        return validate\n\n\nALT_V_ARGS = 'v__args'\nALT_V_KWARGS = 'v__kwargs'\nV_POSITIONAL_ONLY_NAME = 'v__positional_only'\nV_DUPLICATE_KWARGS = 'v__duplicate_kwargs'\n\n\nclass ValidatedFunction:\n    def __init__(self, function: 'AnyCallableT', config: 'ConfigType'):  # noqa C901\n        from inspect import Parameter, signature\n\n        parameters: Mapping[str, Parameter] = signature(function).parameters\n\n        if parameters.keys() & {ALT_V_ARGS, ALT_V_KWARGS, V_POSITIONAL_ONLY_NAME, V_DUPLICATE_KWARGS}:\n            raise ConfigError(\n                f'\"{ALT_V_ARGS}\", \"{ALT_V_KWARGS}\", \"{V_POSITIONAL_ONLY_NAME}\" and \"{V_DUPLICATE_KWARGS}\" '\n                f'are not permitted as argument names when using the \"{validate_arguments.__name__}\" decorator'\n            )\n\n        self.raw_function = function\n        self.arg_mapping: Dict[int, str] = {}\n        self.positional_only_args = set()\n        self.v_args_name = 'args'\n        self.v_kwargs_name = 'kwargs'\n\n        type_hints = get_all_type_hints(function)\n        takes_args = False\n        takes_kwargs = False\n        fields: Dict[str, Tuple[Any, Any]] = {}\n        for i, (name, p) in enumerate(parameters.items()):\n            if p.annotation is p.empty:\n                annotation = Any\n            else:\n                annotation = type_hints[name]\n\n            default = ... if p.default is p.empty else p.default\n            if p.kind == Parameter.POSITIONAL_ONLY:\n                self.arg_mapping[i] = name\n                fields[name] = annotation, default\n                fields[V_POSITIONAL_ONLY_NAME] = List[str], None\n                self.positional_only_args.add(name)\n            elif p.kind == Parameter.POSITIONAL_OR_KEYWORD:\n                self.arg_mapping[i] = name\n                fields[name] = annotation, default\n                fields[V_DUPLICATE_KWARGS] = List[str], None\n            elif p.kind == Parameter.KEYWORD_ONLY:\n                fields[name] = annotation, default\n            elif p.kind == Parameter.VAR_POSITIONAL:\n                self.v_args_name = name\n                fields[name] = Tuple[annotation, ...], None\n                takes_args = True\n            else:\n                assert p.kind == Parameter.VAR_KEYWORD, p.kind\n                self.v_kwargs_name = name\n                fields[name] = Dict[str, annotation], None  # type: ignore\n                takes_kwargs = True\n\n        # these checks avoid a clash between \"args\" and a field with that name\n        if not takes_args and self.v_args_name in fields:\n            self.v_args_name = ALT_V_ARGS\n\n        # same with \"kwargs\"\n        if not takes_kwargs and self.v_kwargs_name in fields:\n            self.v_kwargs_name = ALT_V_KWARGS\n\n        if not takes_args:\n            # we add the field so validation below can raise the correct exception\n            fields[self.v_args_name] = List[Any], None\n\n        if not takes_kwargs:\n            # same with kwargs\n            fields[self.v_kwargs_name] = Dict[Any, Any], None\n\n        self.create_model(fields, takes_args, takes_kwargs, config)\n\n    def init_model_instance(self, *args: Any, **kwargs: Any) -> BaseModel:\n        values = self.build_values(args, kwargs)\n        return self.model(**values)\n\n    def call(self, *args: Any, **kwargs: Any) -> Any:\n        m = self.init_model_instance(*args, **kwargs)\n        return self.execute(m)\n\n    def build_values(self, args: Tuple[Any, ...], kwargs: Dict[str, Any]) -> Dict[str, Any]:\n        values: Dict[str, Any] = {}\n        if args:\n            arg_iter = enumerate(args)\n            while True:\n                try:\n                    i, a = next(arg_iter)\n                except StopIteration:\n                    break\n                arg_name = self.arg_mapping.get(i)\n                if arg_name is not None:\n                    values[arg_name] = a\n                else:\n                    values[self.v_args_name] = [a] + [a for _, a in arg_iter]\n                    break",
  "start_line": 1,
  "end_line": 150,
  "total_lines": 259,
  "is_truncated": true
}
Generated tokens 54 tokens · stopped: STOP
`validate_arguments` is indeed in `pydantic/decorator.py`. Let's read `pydantic/decorator.py`. <channel|><|tool_call>call:read_file{filepath:<|"|>pydantic/decorator.py<|"|>}<tool_call|><|tool_response>
Turn 4at 31 s47 tokens out6,641 prompt tokens
I need to read the rest of `pydantic/decorator.py`.
TOOL CALL · read_file
{
  "filepath": "pydantic/decorator.py",
  "start_line\"": 151
}
Result of read_file 5,804 characters
{
  "status": "ok",
  "filepath": "pydantic/decorator.py",
  "content": "from functools import wraps\nfrom typing import TYPE_CHECKING, Any, Callable, Dict, List, Mapping, Optional, Tuple, Type, TypeVar, Union, overload\n\nfrom . import validator\nfrom .config import Extra\nfrom .errors import ConfigError\nfrom .main import BaseModel, create_model\nfrom .typing import get_all_type_hints\nfrom .utils import to_camel\n\n__all__ = ('validate_arguments',)\n\nif TYPE_CHECKING:\n    from .typing import AnyCallable\n\n    AnyCallableT = TypeVar('AnyCallableT', bound=AnyCallable)\n    ConfigType = Union[None, Type[Any], Dict[str, Any]]\n\n\n@overload\ndef validate_arguments(func: None = None, *, config: 'ConfigType' = None) -> Callable[['AnyCallableT'], 'AnyCallableT']:\n    ...\n\n\n@overload\ndef validate_arguments(func: 'AnyCallableT') -> 'AnyCallableT':\n    ...\n\n\ndef validate_arguments(func: Optional['AnyCallableT'] = None, *, config: 'ConfigType' = None) -> Any:\n    \"\"\"\n    Decorator to validate the arguments passed to a function.\n    \"\"\"\n\n    def validate(_func: 'AnyCallable') -> 'AnyCallable':\n        vd = ValidatedFunction(_func, config)\n\n        @wraps(_func)\n        def wrapper_function(*args: Any, **kwargs: Any) -> Any:\n            return vd.call(*args, **kwargs)\n\n        wrapper_function.vd = vd  # type: ignore\n        wrapper_function.validate = vd.init_model_instance  # type: ignore\n        wrapper_function.raw_function = vd.raw_function  # type: ignore\n        wrapper_function.model = vd.model  # type: ignore\n        return wrapper_function\n\n    if func:\n        return validate(func)\n    else:\n        return validate\n\n\nALT_V_ARGS = 'v__args'\nALT_V_KWARGS = 'v__kwargs'\nV_POSITIONAL_ONLY_NAME = 'v__positional_only'\nV_DUPLICATE_KWARGS = 'v__duplicate_kwargs'\n\n\nclass ValidatedFunction:\n    def __init__(self, function: 'AnyCallableT', config: 'ConfigType'):  # noqa C901\n        from inspect import Parameter, signature\n\n        parameters: Mapping[str, Parameter] = signature(function).parameters\n\n        if parameters.keys() & {ALT_V_ARGS, ALT_V_KWARGS, V_POSITIONAL_ONLY_NAME, V_DUPLICATE_KWARGS}:\n            raise ConfigError(\n                f'\"{ALT_V_ARGS}\", \"{ALT_V_KWARGS}\", \"{V_POSITIONAL_ONLY_NAME}\" and \"{V_DUPLICATE_KWARGS}\" '\n                f'are not permitted as argument names when using the \"{validate_arguments.__name__}\" decorator'\n            )\n\n        self.raw_function = function\n        self.arg_mapping: Dict[int, str] = {}\n        self.positional_only_args = set()\n        self.v_args_name = 'args'\n        self.v_kwargs_name = 'kwargs'\n\n        type_hints = get_all_type_hints(function)\n        takes_args = False\n        takes_kwargs = False\n        fields: Dict[str, Tuple[Any, Any]] = {}\n        for i, (name, p) in enumerate(parameters.items()):\n            if p.annotation is p.empty:\n                annotation = Any\n            else:\n                annotation = type_hints[name]\n\n            default = ... if p.default is p.empty else p.default\n            if p.kind == Parameter.POSITIONAL_ONLY:\n                self.arg_mapping[i] = name\n                fields[name] = annotation, default\n                fields[V_POSITIONAL_ONLY_NAME] = List[str], None\n                self.positional_only_args.add(name)\n            elif p.kind == Parameter.POSITIONAL_OR_KEYWORD:\n                self.arg_mapping[i] = name\n                fields[name] = annotation, default\n                fields[V_DUPLICATE_KWARGS] = List[str], None\n            elif p.kind == Parameter.KEYWORD_ONLY:\n                fields[name] = annotation, default\n            elif p.kind == Parameter.VAR_POSITIONAL:\n                self.v_args_name = name\n                fields[name] = Tuple[annotation, ...], None\n                takes_args = True\n            else:\n                assert p.kind == Parameter.VAR_KEYWORD, p.kind\n                self.v_kwargs_name = name\n                fields[name] = Dict[str, annotation], None  # type: ignore\n                takes_kwargs = True\n\n        # these checks avoid a clash between \"args\" and a field with that name\n        if not takes_args and self.v_args_name in fields:\n            self.v_args_name = ALT_V_ARGS\n\n        # same with \"kwargs\"\n        if not takes_kwargs and self.v_kwargs_name in fields:\n            self.v_kwargs_name = ALT_V_KWARGS\n\n        if not takes_args:\n            # we add the field so validation below can raise the correct exception\n            fields[self.v_args_name] = List[Any], None\n\n        if not takes_kwargs:\n            # same with kwargs\n            fields[self.v_kwargs_name] = Dict[Any, Any], None\n\n        self.create_model(fields, takes_args, takes_kwargs, config)\n\n    def init_model_instance(self, *args: Any, **kwargs: Any) -> BaseModel:\n        values = self.build_values(args, kwargs)\n        return self.model(**values)\n\n    def call(self, *args: Any, **kwargs: Any) -> Any:\n        m = self.init_model_instance(*args, **kwargs)\n        return self.execute(m)\n\n    def build_values(self, args: Tuple[Any, ...], kwargs: Dict[str, Any]) -> Dict[str, Any]:\n        values: Dict[str, Any] = {}\n        if args:\n            arg_iter = enumerate(args)\n            while True:\n                try:\n                    i, a = next(arg_iter)\n                except StopIteration:\n                    break\n                arg_name = self.arg_mapping.get(i)\n                if arg_name is not None:\n                    values[arg_name] = a\n                else:\n                    values[self.v_args_name] = [a] + [a for _, a in arg_iter]\n                    break",
  "start_line": 1,
  "end_line": 150,
  "total_lines": 259,
  "is_truncated": true
}
Generated tokens 47 tokens · stopped: STOP
I need to read the rest of `pydantic/decorator.py`. <channel|><|tool_call>call:read_file{filepath:<|"|>pydantic/decorator.py<|"|>,start_line":151}<tool_call|><|tool_response>
Turn 5at 47 s235 tokens out8,419 prompt tokens
Wait, the second `read_file` call returned the same output as the first one, even though I specified `start_line":151`. Ah, I see what happened, I probably made a mistake in the `read_file` call or the tool is ignoring `start_line` if it's not passed correctly (it is a keyword argument in the tool definition).

Looking at my call: `read_file(filepath="pydantic/decorator.py", start_line=151)`.
Wait, in the history it says `read_file{filepath: "pydantic/decorator.py", start_line":151}`. There is a double quote after `start_line`. That might have been a syntax error in my internal thought process or how I called it. But the tool response says `start_line: 1` and `end_line: 150` again.

Let me try again.
TOOL CALL · read_file
{
  "filepath": "pydantic/decorator.py",
  "start_line": 151
}
Result of read_file 4,774 characters
{
  "status": "ok",
  "filepath": "pydantic/decorator.py",
  "content": "\n        var_kwargs = {}\n        wrong_positional_args = []\n        duplicate_kwargs = []\n        non_var_fields = set(self.model.__fields__) - {self.v_args_name, self.v_kwargs_name}\n        for k, v in kwargs.items():\n            if k in non_var_fields:\n                if k in self.positional_only_args:\n                    wrong_positional_args.append(k)\n                if k in values:\n                    duplicate_kwargs.append(k)\n                values[k] = v\n            else:\n                var_kwargs[k] = v\n\n        if var_kwargs:\n            values[self.v_kwargs_name] = var_kwargs\n        if wrong_positional_args:\n            values[V_POSITIONAL_ONLY_NAME] = wrong_positional_args\n        if duplicate_kwargs:\n            values[V_DUPLICATE_KWARGS] = duplicate_kwargs\n        return values\n\n    def execute(self, m: BaseModel) -> Any:\n        d = {k: v for k, v in m._iter() if k in m.__fields_set__ or m.__fields__[k].default_factory}\n        var_kwargs = d.pop(self.v_kwargs_name, {})\n\n        if self.v_args_name in d:\n            args_: List[Any] = []\n            in_kwargs = False\n            kwargs = {}\n            for name, value in d.items():\n                if in_kwargs:\n                    kwargs[name] = value\n                elif name == self.v_args_name:\n                    args_ += value\n                    in_kwargs = True\n                else:\n                    args_.append(value)\n            return self.raw_function(*args_, **kwargs, **var_kwargs)\n        elif self.positional_only_args:\n            args_ = []\n            kwargs = {}\n            for name, value in d.items():\n                if name in self.positional_only_args:\n                    args_.append(value)\n                else:\n                    kwargs[name] = value\n            return self.raw_function(*args_, **kwargs, **var_kwargs)\n        else:\n            return self.raw_function(**d, **var_kwargs)\n\n    def create_model(self, fields: Dict[str, Any], takes_args: bool, takes_kwargs: bool, config: 'ConfigType') -> None:\n        pos_args = len(self.arg_mapping)\n\n        class CustomConfig:\n            pass\n\n        if not TYPE_CHECKING:  # pragma: no branch\n            if isinstance(config, dict):\n                CustomConfig = type('Config', (), config)  # noqa: F811\n            elif config is not None:\n                CustomConfig = config  # noqa: F811\n\n        if hasattr(CustomConfig, 'fields') or hasattr(CustomConfig, 'alias_generator'):\n            raise ConfigError(\n                'Setting the \"fields\" and \"alias_generator\" property on custom Config for '\n                '@validate_arguments is not yet supported, please remove.'\n            )\n\n        class DecoratorBaseModel(BaseModel):\n            @validator(self.v_args_name, check_fields=False, allow_reuse=True)\n            def check_args(cls, v: Optional[List[Any]]) -> Optional[List[Any]]:\n                if takes_args or v is None:\n                    return v\n\n                raise TypeError(f'{pos_args} positional arguments expected but {pos_args + len(v)} given')\n\n            @validator(self.v_kwargs_name, check_fields=False, allow_reuse=True)\n            def check_kwargs(cls, v: Optional[Dict[str, Any]]) -> Optional[Dict[str, Any]]:\n                if takes_kwargs or v is None:\n                    return v\n\n                plural = '' if len(v) == 1 else 's'\n                keys = ', '.join(map(repr, v.keys()))\n                raise TypeError(f'unexpected keyword argument{plural}: {keys}')\n\n            @validator(V_POSITIONAL_ONLY_NAME, check_fields=False, allow_reuse=True)\n            def check_positional_only(cls, v: Optional[List[str]]) -> None:\n                if v is None:\n                    return\n\n                plural = '' if len(v) == 1 else 's'\n                keys = ', '.join(map(repr, v))\n                raise TypeError(f'positional-only argument{plural} passed as keyword argument{plural}: {keys}')\n\n            @validator(V_DUPLICATE_KWARGS, check_fields=False, allow_reuse=True)\n            def check_duplicate_kwargs(cls, v: Optional[List[str]]) -> None:\n                if v is None:\n                    return\n\n                plural = '' if len(v) == 1 else 's'\n                keys = ', '.join(map(repr, v))\n                raise TypeError(f'multiple values for argument{plural}: {keys}')\n\n            class Config(CustomConfig):\n                extra = Extra.forbid\n\n        self.model = create_model(to_camel(self.raw_function.__name__), __base__=DecoratorBaseModel, **fields)",
  "start_line": 151,
  "end_line": 259,
  "total_lines": 259,
  "is_truncated": false
}
Generated tokens 235 tokens · stopped: STOP
Wait, the second `read_file` call returned the same output as the first one, even though I specified `start_line":151`. Ah, I see what happened, I probably made a mistake in the `read_file` call or the tool is ignoring `start_line` if it's not passed correctly (it is a keyword argument in the tool definition). Looking at my call: `read_file(filepath="pydantic/decorator.py", start_line=151)`. Wait, in the history it says `read_file{filepath: "pydantic/decorator.py", start_line":151}`. There is a double quote after `start_line`. That might have been a syntax error in my internal thought process or how I called it. But the tool response says `start_line: 1` and `end_line: 150` again. Let me try again. <channel|><|tool_call>call:read_file{filepath:<|"|>pydantic/decorator.py<|"|>,start_line:151}<tool_call|><|tool_response>
Turn 6at 89 s719 tokens out10,005 prompt tokens
In `create_model` method of `ValidatedFunction` class:

```python
    def create_model(self, fields: Dict[str, Any], takes_args: bool, takes_kwargs: bool, config: 'ConfigType') -> None:
        # ...
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                extra = Extra.forbid

        self.model = create_model(to_camel(self.raw_function.__name__), __base__=DecoratorBaseModel, **fields)
```

It seems `DecoratorBaseModel` always sets `extra = Extra.forbid` in its `Config` class, which overrides any `Extra` setting passed in `config` (via `CustomConfig`).

Wait, let's look closely at `CustomConfig`:

```python
        if not TYPE_CHECKING:  # pragma: no branch\n            if isinstance(config, dict):\n                CustomConfig = type('Config', (), config)  # noqa: F811\n            elif config is not None:\n                CustomConfig = config  # noqa: F811
```

If `config={'extra': Extra.allow}` is passed, `CustomConfig` will be a class with `extra = Extra.allow`.
But then:
```python
            class Config(CustomConfig):
                extra = Extra.forbid
```
This explicitly sets `extra = Extra.forbid`, ignoring whatever was in `CustomConfig`.

So, if the user wants to allow extra arguments for the function call itself, this `Extra.forbid` will prevent it. But the bug report says the error is:
`pydantic.error_wrappers.ValidationError: 1 validation error for Test\nother -> z\n  extra fields not permitted (type=value_error.extra)`

In the example:
```python
class TypedTest(TypedDict):
    y: str

@validate_arguments(config={'extra': Extra.allow})
def test(other: TypedTest):
    pass

test(other={'y': 'b', 'z': 'a'})
```
The function `test` has one argument `other` of type `TypedTest`.
The `TypedDict` `TypedTest` only has `y`.
The value passed is `{'y': 'b', 'z': 'a'}`.
The validation error is on `other -> z`. This means the validation of the `TypedDict` is failing because of the extra field `z`.

Wait, does `TypedDict` validation in Pydantic respect the `extra` config of the model it's used in?

If `TypedDict` is used as a field in a `BaseModel`, Pydantic's `TypedDict` validation typically doesn't allow extra fields unless configured.

Let's see how `TypedDict` is handled in Pydantic. I'll search for `TypedDict` in `pydantic/main.py` or `pydantic/typing.py`.

Actually, let's check `pydantic/main.py` first.
TOOL CALL · run_command
{
  "command": "grep -rn --include=\"*.py\" \"TypedDict\" pydantic/"
}
Result of run_command 1,742 characters
{
  "status": "ok",
  "stdout": "pydantic/error_wrappers.py:8:    from typing_extensions import TypedDict\npydantic/error_wrappers.py:16:    class _ErrorDictRequired(TypedDict):\npydantic/networks.py:34:    from typing_extensions import TypedDict\npydantic/networks.py:42:    class Parts(TypedDict, total=False):\npydantic/annotated_types.py:7:    from typing_extensions import TypedDict\npydantic/annotated_types.py:11:    # Mypy bug: `Type[TypedDict]` is resolved as `Any` https://github.com/python/mypy/issues/11030\npydantic/annotated_types.py:12:    typeddict_cls: Type['TypedDict'],  # type: ignore[valid-type]\npydantic/annotated_types.py:16:    Create a `BaseModel` based on the fields of a `TypedDict`.\npydantic/annotated_types.py:17:    Since `typing.TypedDict` in Python 3.8 does not store runtime information about optional keys,\npydantic/annotated_types.py:22:    # Best case scenario: with python 3.9+ or when `TypedDict` is imported from `typing_extensions`\npydantic/annotated_types.py:25:            'You should use `typing_extensions.TypedDict` instead of `typing.TypedDict`. '\npydantic/validators.py:46:    from typing_extensions import Literal, TypedDict\npydantic/validators.py:581:    typeddict_cls: Type['TypedDict'], config: Type['BaseConfig']  # type: ignore[valid-type]\npydantic/validators.py:585:    TypedDictModel = create_model_from_typeddict(\npydantic/validators.py:590:    typeddict_cls.__pydantic_model__ = TypedDictModel  # type: ignore[attr-defined]\npydantic/validators.py:592:    def typeddict_validator(values: 'TypedDict') -> Dict[str, Any]:  # type: ignore[valid-type]\npydantic/validators.py:593:        return TypedDictModel.parse_obj(values).dict(exclude_unset=True)\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 719 tokens · stopped: STOP
In `create_model` method of `ValidatedFunction` class: ```python def create_model(self, fields: Dict[str, Any], takes_args: bool, takes_kwargs: bool, config: 'ConfigType') -> None: # ... class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): extra = Extra.forbid self.model = create_model(to_camel(self.raw_function.__name__), __base__=DecoratorBaseModel, **fields) ``` It seems `DecoratorBaseModel` always sets `extra = Extra.forbid` in its `Config` class, which overrides any `Extra` setting passed in `config` (via `CustomConfig`). Wait, let's look closely at `CustomConfig`: ```python if not TYPE_CHECKING: # pragma: no branch\n if isinstance(config, dict):\n CustomConfig = type('Config', (), config) # noqa: F811\n elif config is not None:\n CustomConfig = config # noqa: F811 ``` If `config={'extra': Extra.allow}` is passed, `CustomConfig` will be a class with `extra = Extra.allow`. But then: ```python class Config(CustomConfig): extra = Extra.forbid ``` This explicitly sets `extra = Extra.forbid`, ignoring whatever was in `CustomConfig`. So, if the user wants to allow extra arguments for the function call itself, this `Extra.forbid` will prevent it. But the bug report says the error is: `pydantic.error_wrappers.ValidationError: 1 validation error for Test\nother -> z\n extra fields not permitted (type=value_error.extra)` In the example: ```python class TypedTest(TypedDict): y: str @validate_arguments(config={'extra': Extra.allow}) def test(other: TypedTest): pass test(other={'y': 'b', 'z': 'a'}) ``` The function `test` has one argument `other` of type `TypedTest`. The `TypedDict` `TypedTest` only has `y`. The value passed is `{'y': 'b', 'z': 'a'}`. The validation error is on `other -> z`. This means the validation of the `TypedDict` is failing because of the extra field `z`. Wait, does `TypedDict` validation in Pydantic respect the `extra` config of the model it's used in? If `TypedDict` is used as a field in a `BaseModel`, Pydantic's `TypedDict` validation typically doesn't allow extra fields unless configured. Let's see how `TypedDict` is handled in Pydantic. I'll search for `TypedDict` in `pydantic/main.py` or `pydantic/typing.py`. Actually, let's check `pydantic/main.py` first. <channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "TypedDict" pydantic/<|"|>}<tool_call|><|tool_response>
Turn 7at 100 s267 tokens out11,307 prompt tokens
It seems `pydantic/validators.py` has some logic for `TypedDict`.

```python
pydantic/validators.py:581:    typeddict_cls: Type['TypedDict'], config: Type['BaseConfig']  # type: ignore[valid-type]
pydantic/validators.py:585:    TypedDictModel = create_model_from_typeddict(
pydantic/validators.py:590:    typeddict_cls.__pydantic_model__ = TypedDictModel  # type: ignore[attr-defined]
pydantic/validators.py:592:    def typeddict_validator(values: 'TypedDict') -> Dict[str, Any]:  # type: ignore[valid-type]
pydantic/validators.py:593:        return TypedDictModel.parse_obj(values).dict(exclude_unset=True)
```

Let's read `pydantic/validators.py` around line 580.
TOOL CALL · read_file
{
  "end_line": 600,
  "filepath": "pydantic/validators.py",
  "start_line": 570
}
Result of read_file 1,333 characters
{
  "status": "ok",
  "filepath": "pydantic/validators.py",
  "content": "        if len(values) > len(annotations):\n            raise errors.ListMaxLengthError(limit_value=len(annotations))\n\n        dict_values: Dict[str, Any] = dict(zip(annotations, values))\n        validated_dict_values: Dict[str, Any] = dict(NamedTupleModel(**dict_values))\n        return namedtuple_cls(**validated_dict_values)\n\n    return namedtuple_validator\n\n\ndef make_typeddict_validator(\n    typeddict_cls: Type['TypedDict'], config: Type['BaseConfig']  # type: ignore[valid-type]\n) -> Callable[[Any], Dict[str, Any]]:\n    from .annotated_types import create_model_from_typeddict\n\n    TypedDictModel = create_model_from_typeddict(\n        typeddict_cls,\n        __config__=config,\n        __module__=typeddict_cls.__module__,\n    )\n    typeddict_cls.__pydantic_model__ = TypedDictModel  # type: ignore[attr-defined]\n\n    def typeddict_validator(values: 'TypedDict') -> Dict[str, Any]:  # type: ignore[valid-type]\n        return TypedDictModel.parse_obj(values).dict(exclude_unset=True)\n\n    return typeddict_validator\n\n\nclass IfConfig:\n    def __init__(self, validator: AnyCallable, *config_attr_names: str) -> None:\n        self.validator = validator",
  "start_line": 570,
  "end_line": 600,
  "total_lines": 723,
  "is_truncated": false
}
Generated tokens 267 tokens · stopped: STOP
It seems `pydantic/validators.py` has some logic for `TypedDict`. ```python pydantic/validators.py:581: typeddict_cls: Type['TypedDict'], config: Type['BaseConfig'] # type: ignore[valid-type] pydantic/validators.py:585: TypedDictModel = create_model_from_typeddict( pydantic/validators.py:590: typeddict_cls.__pydantic_model__ = TypedDictModel # type: ignore[attr-defined] pydantic/validators.py:592: def typeddict_validator(values: 'TypedDict') -> Dict[str, Any]: # type: ignore[valid-type] pydantic/validators.py:593: return TypedDictModel.parse_obj(values).dict(exclude_unset=True) ``` Let's read `pydantic/validators.py` around line 580. <channel|><|tool_call>call:read_file{filepath:<|"|>pydantic/validators.py<|"|>,start_line:570,end_line:600}<tool_call|><|tool_response>
Turn 8at 111 s295 tokens out12,003 prompt tokens
Okay, `make_typeddict_validator` takes a `config` and passes it to `create_model_from_typeddict` as `__config__`.

```python
def make_typeddict_validator(
    typeddict_cls: Type['TypedDict'], config: Type['BaseConfig']  # type: ignore[valid-type]
) -> Callable[[Any], Dict[str, Any]]:
    from .annotated_types import create_model_from_typeddict

    TypedDictModel = create_model_from_typeddict(
        typeddict_cls,
        __config__=config,
        __module__=typeddict_cls.__module__,
    )
    typeddict_cls.__pydantic_model__ = TypedDictModel  # type: ignore[attr-defined]

    def typeddict_validator(values: 'TypedDict') -> Dict[str, Any]:  # type: ignore[valid-type]
        return TypedDictModel.parse_obj(values).dict(exclude_unset=True)

    return typeddict_validator
```

Now let's see `create_model_from_typeddict` in `pydantic/annotated_types.py`.
TOOL CALL · read_file
{
  "filepath": "pydantic/annotated_types.py"
}
Result of read_file 2,590 characters
{
  "status": "ok",
  "filepath": "pydantic/annotated_types.py",
  "content": "from typing import TYPE_CHECKING, Any, Dict, FrozenSet, NamedTuple, Type\n\nfrom .fields import Required\nfrom .main import BaseModel, create_model\n\nif TYPE_CHECKING:\n    from typing_extensions import TypedDict\n\n\ndef create_model_from_typeddict(\n    # Mypy bug: `Type[TypedDict]` is resolved as `Any` https://github.com/python/mypy/issues/11030\n    typeddict_cls: Type['TypedDict'],  # type: ignore[valid-type]\n    **kwargs: Any,\n) -> Type['BaseModel']:\n    \"\"\"\n    Create a `BaseModel` based on the fields of a `TypedDict`.\n    Since `typing.TypedDict` in Python 3.8 does not store runtime information about optional keys,\n    we raise an error if this happens (see https://bugs.python.org/issue38834).\n    \"\"\"\n    field_definitions: Dict[str, Any]\n\n    # Best case scenario: with python 3.9+ or when `TypedDict` is imported from `typing_extensions`\n    if not hasattr(typeddict_cls, '__required_keys__'):\n        raise TypeError(\n            'You should use `typing_extensions.TypedDict` instead of `typing.TypedDict`. '\n            'Without it, there is no way to differentiate required and optional fields when subclassed.'\n        )\n\n    required_keys: FrozenSet[str] = typeddict_cls.__required_keys__  # type: ignore[attr-defined]\n    field_definitions = {\n        field_name: (field_type, Required if field_name in required_keys else None)\n        for field_name, field_type in typeddict_cls.__annotations__.items()\n    }\n\n    return create_model(typeddict_cls.__name__, **kwargs, **field_definitions)\n\n\ndef create_model_from_namedtuple(namedtuple_cls: Type['NamedTuple'], **kwargs: Any) -> Type['BaseModel']:\n    \"\"\"\n    Create a `BaseModel` based on the fields of a named tuple.\n    A named tuple can be created with `typing.NamedTuple` and declared annotations\n    but also with `collections.namedtuple`, in this case we consider all fields\n    to have type `Any`.\n    \"\"\"\n    # With python 3.10+, `__annotations__` always exists but can be empty hence the `getattr... or...` logic\n    namedtuple_annotations: Dict[str, Type[Any]] = getattr(namedtuple_cls, '__annotations__', None) or {\n        k: Any for k in namedtuple_cls._fields\n    }\n    field_definitions: Dict[str, Any] = {\n        field_name: (field_type, Required) for field_name, field_type in namedtuple_annotations.items()\n    }\n    return create_model(namedtuple_cls.__name__, **kwargs, **field_definitions)",
  "start_line": 1,
  "end_line": 52,
  "total_lines": 52,
  "is_truncated": false
}
Generated tokens 295 tokens · stopped: STOP
Okay, `make_typeddict_validator` takes a `config` and passes it to `create_model_from_typeddict` as `__config__`. ```python def make_typeddict_validator( typeddict_cls: Type['TypedDict'], config: Type['BaseConfig'] # type: ignore[valid-type] ) -> Callable[[Any], Dict[str, Any]]: from .annotated_types import create_model_from_typeddict TypedDictModel = create_model_from_typeddict( typeddict_cls, __config__=config, __module__=typeddict_cls.__module__, ) typeddict_cls.__pydantic_model__ = TypedDictModel # type: ignore[attr-defined] def typeddict_validator(values: 'TypedDict') -> Dict[str, Any]: # type: ignore[valid-type] return TypedDictModel.parse_obj(values).dict(exclude_unset=True) return typeddict_validator ``` Now let's see `create_model_from_typeddict` in `pydantic/annotated_types.py`. <channel|><|tool_call>call:read_file{filepath:<|"|>pydantic/annotated_types.py<|"|>}<tool_call|><|tool_response>
Turn 9at 126 s206 tokens out13,082 prompt tokens
So `create_model_from_typeddict` just calls `create_model` with `**kwargs` (which includes `__config__`) and the field definitions.

The issue seems to be with how `validate_arguments` sets up its model.

In `pydantic/decorator.py`:

```python
            class Config(CustomConfig):
                extra = Extra.forbid
```

`DecoratorBaseModel` (which is the base model for the validated function) always has `extra = Extra.forbid`.

When `TypedDict` is validated, Pydantic might be creating a temporary model for it.

Wait, `make_typeddict_validator` is called somewhere. Where?

Let's search for `make_typeddict_validator` in the codebase.
TOOL CALL · run_command
{
  "command": "grep -rn --include=\"*.py\" \"make_typeddict_validator\" pydantic/"
}
Result of run_command 200 characters
{
  "status": "ok",
  "stdout": "pydantic/validators.py:580:def make_typeddict_validator(\npydantic/validators.py:696:        yield make_typeddict_validator(type_, config)\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 206 tokens · stopped: STOP
So `create_model_from_typeddict` just calls `create_model` with `**kwargs` (which includes `__config__`) and the field definitions. The issue seems to be with how `validate_arguments` sets up its model. In `pydantic/decorator.py`: ```python class Config(CustomConfig): extra = Extra.forbid ``` `DecoratorBaseModel` (which is the base model for the validated function) always has `extra = Extra.forbid`. When `TypedDict` is validated, Pydantic might be creating a temporary model for it. Wait, `make_typeddict_validator` is called somewhere. Where? Let's search for `make_typeddict_validator` in the codebase. <channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "make_typeddict_validator" pydantic/<|"|>}<tool_call|><|tool_response>
Turn 10at 129 s68 tokens out13,372 prompt tokens
It's called in `pydantic/validators.py` at line 696. Let's look at that area.
TOOL CALL · read_file
{
  "end_line": 720,
  "filepath": "pydantic/validators.py",
  "start_line": 670
}
Result of read_file 1,754 characters
{
  "status": "ok",
  "filepath": "pydantic/validators.py",
  "content": "    if type_ is Pattern:\n        yield pattern_validator\n        return\n    if type_ is Hashable or type_ is CollectionsHashable:\n        yield hashable_validator\n        return\n    if is_callable_type(type_):\n        yield callable_validator\n        return\n    if is_literal_type(type_):\n        yield make_literal_validator(type_)\n        return\n    if is_builtin_dataclass(type_):\n        yield from make_dataclass_validator(type_, config)\n        return\n    if type_ is Enum:\n        yield enum_validator\n        return\n    if type_ is IntEnum:\n        yield int_enum_validator\n        return\n    if is_namedtuple(type_):\n        yield tuple_validator\n        yield make_namedtuple_validator(type_)\n        return\n    if is_typeddict(type_):\n        yield make_typeddict_validator(type_, config)\n        return\n\n    class_ = get_class(type_)\n    if class_ is not None:\n        if isinstance(class_, type):\n            yield make_class_validator(class_)\n        else:\n            yield any_class_validator\n        return\n\n    for val_type, validators in _VALIDATORS:\n        try:\n            if issubclass(type_, val_type):\n                for v in validators:\n                    if isinstance(v, IfConfig):\n                        if v.check(config):\n                            yield v.validator\n                    else:\n                        yield v\n                return\n        except TypeError:\n            raise RuntimeError(f'error checking inheritance of {type_!r} (type: {display_as_type(type_)})')\n\n    if config.arbitrary_types_allowed:",
  "start_line": 670,
  "end_line": 720,
  "total_lines": 723,
  "is_truncated": false
}
Generated tokens 68 tokens · stopped: STOP
It's called in `pydantic/validators.py` at line 696. Let's look at that area. <channel|><|tool_call>call:read_file{end_line:720,filepath:<|"|>pydantic/validators.py<|"|>,start_line:670}<tool_call|><|tool_response>
Turn 11at 207 s1,147 tokens out13,938 prompt tokens
Ah, so it's part of the validator generation process.

When `validate_arguments` is used, it creates a `DecoratorBaseModel` that inherits from `BaseModel`.
The arguments of the function become fields of this model.
If an argument is a `TypedDict`, Pydantic's type-checking system (likely in `pydantic/main.py` or similar) will trigger the creation of validators for it.

The `config` passed to `make_typeddict_validator` is the config of the model being validated. In the case of `validate_arguments`, the model is `DecoratorBaseModel`'s subclass.

Wait, let's look at `pydantic/decorator.py` again.

```python
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                extra = Extra.forbid

        self.model = create_model(to_camel(self.raw_function.__name__), __base__=DecoratorBaseModel, **fields)
```

The `DecoratorBaseModel.Config` has `extra = Extra.forbid`.
Even if `CustomConfig` has `extra = Extra.allow`, it is overridden by `extra = Extra.forbid` in `Config(CustomConfig)`.

Wait, if `CustomConfig` is:
```python
class CustomConfig:
    extra = Extra.allow
```
And we do:
```python
class Config(CustomConfig):
    extra = Extra.forbid
```
Then `Config.extra` is `Extra.forbid`.

The user wants `Extra.allow` to be respected.

If I change:
```python
            class Config(CustomConfig):
                extra = Extra.forbid
```
to something that only sets `extra = Extra.forbid` if it's not already set in `CustomConfig`?

But it's a class definition.

Maybe I can do:
```python
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                pass
        
        # But wait, the original code had:
        #     class Config(CustomConfig):
        #         extra = Extra.forbid
```

Why was `extra = Extra.forbid` there?
Probably to ensure that if you pass an argument to the decorated function that isn't defined in the signature, Pydantic raises a `ValidationError` (which is the correct behavior for function arguments).

Example:
```python
@validate_arguments
def test(a: int):
    pass

test(a=1, b=2) # Should raise ValidationError because 'b' is not an argument.
```

If we have:
```python
@validate_arguments(config={'extra': Extra.allow})
def test(a: int):
    pass

test(a=1, b=2) # Should this allowed? 
```

If `extra=Extra.allow` is passed to `validate_arguments`, the user probably wants to allow extra arguments to the function call.

Now, back to the `TypedDict` case:
```python
class TypedTest(TypedDict):
    y: str

@validate_arguments(config={'extra': Extra.allow})
def test(other: TypedTest):
    pass

test(other={'y': 'b', 'z': 'a'})
```

Here, `extra=Extra.allow` is set for the *function* configuration.
When Pydantic validates `other`, it sees it's a `TypedDict`. It creates a `TypedDictModel` for it and passes the current model's config to `make_typeddict_validator`.

The current model's config is `DecoratorBaseModel.Config`, which has `extra = Extra.forbid`.
So the `TypedDictModel` also gets `extra = Extra.forbid`.
Then `TypedDictModel.parse_obj({'y': 'b', 'z': 'a'})` fails because of the extra field `z`.

So the issue is that `DecoratorBaseModel`'s `Config` is overriding the user's `extra` configuration.

If I change:
```python
            class Config(CustomConfig):
                extra = Extra.forbid
```
to something like:
```python
            class Config(CustomConfig):
                if not hasattr(CustomConfig, 'extra'):
                    extra = Extra.forbid
```
But you can't have `if` inside a class body like that to conditionally define a class attribute for inheritance purposes (it would just execute the `if` during class creation).

Actually, if I do:
```python
            class Config(CustomConfig):
                pass
```
And `CustomConfig` has `extra = Extra.allow`, then `Config.extra` will be `Extra.allow`.
But what if `CustomConfig` does NOT have `extra`? Then `Config.extra` will be whatever `BaseModel.Config.extra` is.

Let's check `pydantic/config.py` to see what the default `extra` is.
TOOL CALL · read_file
{
  "filepath": "pydantic/config.py"
}
Result of read_file 4,265 characters
{
  "status": "ok",
  "filepath": "pydantic/config.py",
  "content": "import json\nfrom enum import Enum\nfrom typing import TYPE_CHECKING, Any, Callable, Dict, Optional, Tuple, Type, Union\n\nfrom .typing import AnyCallable\nfrom .utils import GetterDict\n\nif TYPE_CHECKING:\n    from typing import overload\n\n    import typing_extensions\n\n    from .fields import ModelField\n    from .main import BaseModel\n\n    ConfigType = Type['BaseConfig']\n\n    class SchemaExtraCallable(typing_extensions.Protocol):\n        @overload\n        def __call__(self, schema: Dict[str, Any]) -> None:\n            pass\n\n        @overload\n        def __call__(self, schema: Dict[str, Any], model_class: Type[BaseModel]) -> None:\n            pass\n\n\nelse:\n    SchemaExtraCallable = Callable[..., None]\n\n__all__ = 'BaseConfig', 'Extra', 'inherit_config', 'prepare_config'\n\n\nclass Extra(str, Enum):\n    allow = 'allow'\n    ignore = 'ignore'\n    forbid = 'forbid'\n\n\nclass BaseConfig:\n    title: Optional[str] = None\n    anystr_lower: bool = False\n    anystr_strip_whitespace: bool = False\n    min_anystr_length: int = 0\n    max_anystr_length: Optional[int] = None\n    validate_all: bool = False\n    extra: Extra = Extra.ignore\n    allow_mutation: bool = True\n    frozen: bool = False\n    allow_population_by_field_name: bool = False\n    use_enum_values: bool = False\n    fields: Dict[str, Union[str, Dict[str, str]]] = {}\n    validate_assignment: bool = False\n    error_msg_templates: Dict[str, str] = {}\n    arbitrary_types_allowed: bool = False\n    orm_mode: bool = False\n    getter_dict: Type[GetterDict] = GetterDict\n    alias_generator: Optional[Callable[[str], str]] = None\n    keep_untouched: Tuple[type, ...] = ()\n    schema_extra: Union[Dict[str, Any], 'SchemaExtraCallable'] = {}\n    json_loads: Callable[[str], Any] = json.loads\n    json_dumps: Callable[..., str] = json.dumps\n    json_encoders: Dict[Type[Any], AnyCallable] = {}\n    underscore_attrs_are_private: bool = False\n\n    # Whether or not inherited models as fields should be reconstructed as base model\n    copy_on_model_validation: bool = True\n\n    @classmethod\n    def get_field_info(cls, name: str) -> Dict[str, Any]:\n        \"\"\"\n        Get properties of FieldInfo from the `fields` property of the config class.\n        \"\"\"\n\n        fields_value = cls.fields.get(name)\n\n        if isinstance(fields_value, str):\n            field_info: Dict[str, Any] = {'alias': fields_value}\n        elif isinstance(fields_value, dict):\n            field_info = fields_value\n        else:\n            field_info = {}\n\n        if 'alias' in field_info:\n            field_info.setdefault('alias_priority', 2)\n\n        if field_info.get('alias_priority', 0) <= 1 and cls.alias_generator:\n            alias = cls.alias_generator(name)\n            if not isinstance(alias, str):\n                raise TypeError(f'Config.alias_generator must return str, not {alias.__class__}')\n            field_info.update(alias=alias, alias_priority=1)\n        return field_info\n\n    @classmethod\n    def prepare_field(cls, field: 'ModelField') -> None:\n        \"\"\"\n        Optional hook to check or modify fields during model creation.\n        \"\"\"\n        pass\n\n\ndef inherit_config(self_config: 'ConfigType', parent_config: 'ConfigType', **namespace: Any) -> 'ConfigType':\n    if not self_config:\n        base_classes: Tuple['ConfigType', ...] = (parent_config,)\n    elif self_config == parent_config:\n        base_classes = (self_config,)\n    else:\n        base_classes = self_config, parent_config\n\n    namespace['json_encoders'] = {\n        **getattr(parent_config, 'json_encoders', {}),\n        **getattr(self_config, 'json_encoders', {}),\n        **namespace.get('json_encoders', {}),\n    }\n\n    return type('Config', base_classes, namespace)\n\n\ndef prepare_config(config: Type[BaseConfig], cls_name: str) -> None:\n    if not isinstance(config.extra, Extra):\n        try:\n            config.extra = Extra(config.extra)\n        except ValueError:\n            raise ValueError(f'\"{cls_name}\": {config.extra} is not a valid value for \"extra\"')",
  "start_line": 1,
  "end_line": 124,
  "total_lines": 124,
  "is_truncated": false
}
Generated tokens 1,147 tokens · stopped: STOP
Ah, so it's part of the validator generation process. When `validate_arguments` is used, it creates a `DecoratorBaseModel` that inherits from `BaseModel`. The arguments of the function become fields of this model. If an argument is a `TypedDict`, Pydantic's type-checking system (likely in `pydantic/main.py` or similar) will trigger the creation of validators for it. The `config` passed to `make_typeddict_validator` is the config of the model being validated. In the case of `validate_arguments`, the model is `DecoratorBaseModel`'s subclass. Wait, let's look at `pydantic/decorator.py` again. ```python class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): extra = Extra.forbid self.model = create_model(to_camel(self.raw_function.__name__), __base__=DecoratorBaseModel, **fields) ``` The `DecoratorBaseModel.Config` has `extra = Extra.forbid`. Even if `CustomConfig` has `extra = Extra.allow`, it is overridden by `extra = Extra.forbid` in `Config(CustomConfig)`. Wait, if `CustomConfig` is: ```python class CustomConfig: extra = Extra.allow ``` And we do: ```python class Config(CustomConfig): extra = Extra.forbid ``` Then `Config.extra` is `Extra.forbid`. The user wants `Extra.allow` to be respected. If I change: ```python class Config(CustomConfig): extra = Extra.forbid ``` to something that only sets `extra = Extra.forbid` if it's not already set in `CustomConfig`? But it's a class definition. Maybe I can do: ```python class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): pass # But wait, the original code had: # class Config(CustomConfig): # extra = Extra.forbid ``` Why was `extra = Extra.forbid` there? Probably to ensure that if you pass an argument to the decorated function that isn't defined in the signature, Pydantic raises a `ValidationError` (which is the correct behavior for function arguments). Example: ```python @validate_arguments def test(a: int): pass test(a=1, b=2) # Should raise ValidationError because 'b' is not an argument. ``` If we have: ```python @validate_arguments(config={'extra': Extra.allow}) def test(a: int): pass test(a=1, b=2) # Should this allowed? ``` If `extra=Extra.allow` is passed to `validate_arguments`, the user probably wants to allow extra arguments to the function call. Now, back to the `TypedDict` case: ```python class TypedTest(TypedDict): y: str @validate_arguments(config={'extra': Extra.allow}) def test(other: TypedTest): pass test(other={'y': 'b', 'z': 'a'}) ``` Here, `extra=Extra.allow` is set for the *function* configuration. When Pydantic validates `other`, it sees it's a `TypedDict`. It creates a `TypedDictModel` for it and passes the current model's config to `make_typeddict_validator`. The current model's config is `DecoratorBaseModel.Config`, which has `extra = Extra.forbid`. So the `TypedDictModel` also gets `extra = Extra.forbid`. Then `TypedDictModel.parse_obj({'y': 'b', 'z': 'a'})` fails because of the extra field `z`. So the issue is that `DecoratorBaseModel`'s `Config` is overriding the user's `extra` configuration. If I change: ```python class Config(CustomConfig): extra = Extra.forbid ``` to something like: ```python class Config(CustomConfig): if not hasattr(CustomConfig, 'extra'): extra = Extra.forbid ``` But you can't have `if` inside a class body like that to conditionally define a class attribute for inheritance purposes (it would just execute the `if` during class creation). Actually, if I do: ```python class Config(CustomConfig): pass ``` And `CustomConfig` has `extra = Extra.allow`, then `Config.extra` will be `Extra.allow`. But what if `CustomConfig` does NOT have `extra`? Then `Config.extra` will be whatever `BaseModel.Config.extra` is. Let's check `pydantic/config.py` to see what the default `extra` is. <channel|><|tool_call>call:read_file{filepath:<|"|>pydantic/config.py<|"|>}<tool_call|><|tool_response>
Turn 12at 342 s2,052 tokens out16,386 prompt tokens
The default `extra` in `BaseConfig` is `Extra.ignore`.

If we change `DecoratorBaseModel.Config` to:
```python
            class Config(CustomConfig):
                pass
```
Then the default will be `Extra.ignore` if `CustomConfig` doesn't specify it.
`Extra.ignore` means extra fields are ignored during validation, so they won't cause an error.

Wait, if the original code had `extra = Extra.forbid`, then by default it was forbidding extra arguments to the function.

If I change it to `Extra.ignore`, then extra arguments to the function will be ignored instead of raising an error. Is that what we want?

Let's check.
```python
@validate_arguments
def test(a: int):
    pass

test(a=1, b=2)
```
In the original code, this should raise a `ValidationError`.
With `extra = Extra.ignore`, it will NOT raise an error.

So we probably want to keep `extra = Extra.forbid` as the default for the function call, but allow it to be overridden by the user.

We can do this by checking if `extra` was provided in `config`.

In `pydantic/decorator.py`:
```python
        if not TYPE_CHECKING:  # pragma: no branch
            if isinstance(config, dict):
                CustomConfig = type('Config', (), config)  # noqa: F811
            elif config is not None:
                CustomConfig = config  # noqa: F811
```

If `config` is a dict, we can check if `'extra'` is in it.

Actually, we can just manipulate the `CustomConfig` class or use a dynamic approach to define the `Config` class.

Wait, if I do:
```python
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                pass
```
And then I want to set `extra = Extra.forbid` ONLY IF it wasn't already set.

I can do:
```python
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                pass

        if not hasattr(DecoratorBaseModel.Config, 'extra') or DecoratorBaseModel.Config.extra == Extra.ignore:
             DecoratorBaseModel.Config.extra = Extra.forbid
```
Wait, `Extra.ignore` is the default in `BaseConfig`. So if the user didn't provide it, it will be `Extra.ignore`.

But if the user provided `Extra.ignore` explicitly, maybe they want it to be ignored?

Actually, the most robust way is to see if `extra` was in the `config` passed to `validate_arguments`.

Let's look at `validate_arguments` again.

```python
def validate_arguments(func: Optional['AnyCallableT'] = None, *, config: 'ConfigType' = None) -> Any:
    # ...
    def validate(_func: 'AnyCallable') -> 'AnyCallable':
        vd = ValidatedFunction(_func, config)
        # ...
```

`config` is passed to `ValidatedFunction.__init__`.

```python
class ValidatedFunction:
    def __init__(self, function: 'AnyCallableT', config: 'ConfigType'):
        # ...
        self.create_model(fields, takes_args, takes_kwargs, config)

    def create_model(self, fields: Dict[str, Any], takes_args: bool, takes_kwargs: bool, config: 'ConfigType') -> None:
        # ...
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                extra = Extra.forbid
```

If we change it to:

```python
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                pass

        # Set extra=Extra.forbid if it's not explicitly set to something else in config
        # We need to know if 'extra' was in the original config.
```

If `config` is a dict:
```python
        if isinstance(config, dict) and 'extra' not in config:
            DecoratorBaseModel.Config.extra = Extra.forbid
```

But what if `config` is a class?

Also, if `config` is `None`, `CustomConfig` is `BaseConfig`? No, let's see.

```python
        class CustomConfig:
            pass

        if not TYPE_CHECKING:  # pragma: no branch
            if isinstance(config, dict):
                CustomConfig = type('Config', (), config)  # noqa: F811
            elif config is not None:
                CustomConfig = config  # noqa: F811
```

If `config` is `None`, `CustomConfig` remains the empty `CustomConfig` class.

If `config` is `None`, `CustomConfig` has no `extra` attribute.
Then `DecoratorBaseModel.Config` will have no `extra` attribute either (until we set it).

Wait, if `DecoratorBaseModel` inherits from `BaseModel`, it will inherit `BaseModel.Config`.

Let's check `BaseModel.Config`.

Actually, `BaseModel` has its own `Config` class.

If I just do this:

```python
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                pass

        # Now, if the user didn't provide 'extra', we want to forbid it.
        # How do we know if the user provided it?
```

If I use a sentinel for the default value of `extra` in `CustomConfig`? No, `CustomConfig` is not always under our control.

Wait, if I just do:

```python
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                pass
```

And then:

```python
        # we want to set extra = Extra.forbid if it is not already set in config
        # if config is a dict, we check 'extra' in config.
        # if config is a class, we check 'extra' in config.__dict__?
```

Actually, there's a simpler way. Since we are already inside `create_model`, and we've already handled `CustomConfig`.

If the user wants `Extra.allow`, they pass `config={'extra': Extra.allow}`.
If they don't pass anything, `config` is `None`.

I can do:

```python
        class DecoratorBaseModel(BaseModel):
            # ...
            class Config(CustomConfig):
                pass
        
        # If 'extra' was not explicitly provided in the config, set it to 'forbid'.
        # This ensures that unexpected arguments to the function are disallowed.
        if isinstance(config, dict):
            if 'extra' not in config:
                DecoratorBaseModel.Config.extra = Extra.forbid
        elif config is None:
            DecoratorBaseModel.Config.extra = Extra.forbid
        else:
            # config is a class. We check if it has 'extra' defined in its own __dict__.
            if 'extra' not in getattr(config, '__dict__', {}):
                DecoratorBaseModel.Config.extra = Extra.forbid
```

Wait, `CustomConfig` is used as a base class for `Config`.

```python
            class Config(CustomConfig):
                pass
```

If `config` is `None`, `CustomConfig` is the empty class defined just above.
If `config` is a dict, `CustomConfig` is a class created with `type('Config', (), config)`.
If `config` is a class, `CustomConfig` is that class.

Let's test this theory.
TOOL CALL · run_command
{
  "command": "python3 - <<'PY'\nfrom pydantic import Extra\n\n# Case 1: config is None\nconfig = None\nCustomConfig = type('CustomConfig', (), {})\nclass Config(CustomConfig):\n    pass\nprint(f\"Case 1: {hasattr(Config, 'extra')}\")\n\n# Case 2: config is a dict without extra\nconfig = {'other': 1}\nCustomConfig = type('Config', (), config)\nclass Config(CustomConfig):\n    pass\nprint(f\"Case 2: {hasattr(Config, 'extra')}\")\n\n# Case 3: config is a dict with extra\nconfig = {'extra': Extra.allow}\nCustomConfig = type('Config', (), config)\nclass Config(CustomConfig):\n    pass\nprint(f\"Case 3: {hasattr(Config, 'extra')}, extra={Config.extra}\")\n\n# Case 4: config is a class\nclass MyConfig:\n    extra = Extra.allow\nCustomConfig = MyConfig\nclass Config(CustomConfig):\n    pass\nprint(f\"Case 4: {hasattr(Config, 'extra')}, extra={Config.extra}\")\nPY\n"
}
Result of run_command 144 characters
{
  "status": "ok",
  "stdout": "Case 1: False\nCase 2: False\nCase 3: True, extra=allow\nCase 4: True, extra=allow\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 2,052 tokens · stopped: STOP
The default `extra` in `BaseConfig` is `Extra.ignore`. If we change `DecoratorBaseModel.Config` to: ```python class Config(CustomConfig): pass ``` Then the default will be `Extra.ignore` if `CustomConfig` doesn't specify it. `Extra.ignore` means extra fields are ignored during validation, so they won't cause an error. Wait, if the original code had `extra = Extra.forbid`, then by default it was forbidding extra arguments to the function. If I change it to `Extra.ignore`, then extra arguments to the function will be ignored instead of raising an error. Is that what we want? Let's check. ```python @validate_arguments def test(a: int): pass test(a=1, b=2) ``` In the original code, this should raise a `ValidationError`. With `extra = Extra.ignore`, it will NOT raise an error. So we probably want to keep `extra = Extra.forbid` as the default for the function call, but allow it to be overridden by the user. We can do this by checking if `extra` was provided in `config`. In `pydantic/decorator.py`: ```python if not TYPE_CHECKING: # pragma: no branch if isinstance(config, dict): CustomConfig = type('Config', (), config) # noqa: F811 elif config is not None: CustomConfig = config # noqa: F811 ``` If `config` is a dict, we can check if `'extra'` is in it. Actually, we can just manipulate the `CustomConfig` class or use a dynamic approach to define the `Config` class. Wait, if I do: ```python class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): pass ``` And then I want to set `extra = Extra.forbid` ONLY IF it wasn't already set. I can do: ```python class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): pass if not hasattr(DecoratorBaseModel.Config, 'extra') or DecoratorBaseModel.Config.extra == Extra.ignore: DecoratorBaseModel.Config.extra = Extra.forbid ``` Wait, `Extra.ignore` is the default in `BaseConfig`. So if the user didn't provide it, it will be `Extra.ignore`. But if the user provided `Extra.ignore` explicitly, maybe they want it to be ignored? Actually, the most robust way is to see if `extra` was in the `config` passed to `validate_arguments`. Let's look at `validate_arguments` again. ```python def validate_arguments(func: Optional['AnyCallableT'] = None, *, config: 'ConfigType' = None) -> Any: # ... def validate(_func: 'AnyCallable') -> 'AnyCallable': vd = ValidatedFunction(_func, config) # ... ``` `config` is passed to `ValidatedFunction.__init__`. ```python class ValidatedFunction: def __init__(self, function: 'AnyCallableT', config: 'ConfigType'): # ... self.create_model(fields, takes_args, takes_kwargs, config) def create_model(self, fields: Dict[str, Any], takes_args: bool, takes_kwargs: bool, config: 'ConfigType') -> None: # ... class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): extra = Extra.forbid ``` If we change it to: ```python class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): pass # Set extra=Extra.forbid if it's not explicitly set to something else in config # We need to know if 'extra' was in the original config. ``` If `config` is a dict: ```python if isinstance(config, dict) and 'extra' not in config: DecoratorBaseModel.Config.extra = Extra.forbid ``` But what if `config` is a class? Also, if `config` is `None`, `CustomConfig` is `BaseConfig`? No, let's see. ```python class CustomConfig: pass if not TYPE_CHECKING: # pragma: no branch if isinstance(config, dict): CustomConfig = type('Config', (), config) # noqa: F811 elif config is not None: CustomConfig = config # noqa: F811 ``` If `config` is `None`, `CustomConfig` remains the empty `CustomConfig` class. If `config` is `None`, `CustomConfig` has no `extra` attribute. Then `DecoratorBaseModel.Config` will have no `extra` attribute either (until we set it). Wait, if `DecoratorBaseModel` inherits from `BaseModel`, it will inherit `BaseModel.Config`. Let's check `BaseModel.Config`. Actually, `BaseModel` has its own `Config` class. If I just do this: ```python class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): pass # Now, if the user didn't provide 'extra', we want to forbid it. # How do we know if the user provided it? ``` If I use a sentinel for the default value of `extra` in `CustomConfig`? No, `CustomConfig` is not always under our control. Wait, if I just do: ```python class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): pass ``` And then: ```python # we want to set extra = Extra.forbid if it is not already set in config # if config is a dict, we check 'extra' in config. # if config is a class, we check 'extra' in config.__dict__? ``` Actually, there's a simpler way. Since we are already inside `create_model`, and we've already handled `CustomConfig`. If the user wants `Extra.allow`, they pass `config={'extra': Extra.allow}`. If they don't pass anything, `config` is `None`. I can do: ```python class DecoratorBaseModel(BaseModel): # ... class Config(CustomConfig): pass # If 'extra' was not explicitly provided in the config, set it to 'forbid'. # This ensures that unexpected arguments to the function are disallowed. if isinstance(config, dict): if 'extra' not in config: DecoratorBaseModel.Config.extra = Extra.forbid elif config is None: DecoratorBaseModel.Config.extra = Extra.forbid else: # config is a class. We check if it has 'extra' defined in its own __dict__. if 'extra' not in getattr(config, '__dict__', {}): DecoratorBaseModel.Config.extra = Extra.forbid ``` Wait, `CustomConfig` is used as a base class for `Config`. ```python class Config(CustomConfig): pass ``` If `config` is `None`, `CustomConfig` is the empty class defined just above. If `config` is a dict, `CustomConfig` is a class created with `type('Config', (), config)`. If `config` is a class, `CustomConfig` is that class. Let's test this theory.<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY' from pydantic import Extra # Case 1: config is None config = None CustomConfig = type('CustomConfig', (), {}) class Config(CustomConfig): pass print(f"Case 1: {hasattr(Config, 'extra')}") # Case 2: config is a dict without extra config = {'other': 1} CustomConfig = type('Config', (), config) class Config(CustomConfig): pass print(f"Case 2: {hasattr(Config, 'extra')}") # Case 3: config is a dict with extra config = {'extra': Extra.allow} CustomConfig = type('Config', (), config) class Config(CustomConfig): pass print(f"Case 3: {hasattr(Config, 'extra')}, extra={Config.extra}") # Case 4: config is a class class MyConfig: extra = Extra.allow CustomConfig = MyConfig class Config(CustomConfig): pass print(f"Case 4: {hasattr(Config, 'extra')}, extra={Config.extra}") PY <|"|>}<tool_call|><|tool_response>
Turn 13at 408 s241 tokens out7,476 prompt tokens
Perfect. So if `hasattr(DecoratorBaseModel.Config, 'extra')` is `False`, it means the user didn't provide `extra`.

But wait, what if `CustomConfig` inherits from `BaseConfig`?

```python
from pydantic import BaseConfig, Extra
class MyConfig(BaseConfig):
    pass

# Case 5: config is a class inheriting from BaseConfig (default extra=Extra.ignore)
config = MyConfig
CustomConfig = config
class Config(CustomConfig):
    pass
print(f"Case 5: {hasattr(Config, 'extra')}, extra={Config.extra}")
```

Let's check.
TOOL CALL · run_command
{
  "command": "python3 - <<'PY'\nfrom pydantic import BaseConfig, Extra\nclass MyConfig(BaseConfig):\n    pass\nconfig = MyConfig\nCustomConfig = config\nclass Config(CustomConfig):\n    pass\nprint(f\"Case 5: {hasattr(Config, 'extra')}, extra={Config.extra}\")\nPY\n"
}
Result of run_command 88 characters
{
  "status": "ok",
  "stdout": "Case 5: True, extra=ignore\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 241 tokens · stopped: STOP
Perfect. So if `hasattr(DecoratorBaseModel.Config, 'extra')` is `False`, it means the user didn't provide `extra`. But wait, what if `CustomConfig` inherits from `BaseConfig`? ```python from pydantic import BaseConfig, Extra class MyConfig(BaseConfig): pass # Case 5: config is a class inheriting from BaseConfig (default extra=Extra.ignore) config = MyConfig CustomConfig = config class Config(CustomConfig): pass print(f"Case 5: {hasattr(Config, 'extra')}, extra={Config.extra}") ``` Let's check. <channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY' from pydantic import BaseConfig, Extra class MyConfig(BaseConfig): pass config = MyConfig CustomConfig = config class Config(CustomConfig): pass print(f"Case 5: {hasattr(Config, 'extra')}, extra={Config.extra}") PY <|"|>}<tool_call|><|tool_response>

Patch, tests and logs

Final code change Included
Test output Included
============================= test session starts ==============================
collected 23 items

tests/test_decorator.py .......................                          [100%]

==================================== PASSES ====================================
- generated xml file: /tmp/rebench-grade-2945a6f40288485f8907fd7b9743cc04.xml --
=========================== short test summary info ============================
PASSED tests/test_decorator.py::test_args
PASSED tests/test_decorator.py::test_wrap
PASSED tests/test_decorator.py::test_kwargs
PASSED tests/test_decorator.py::test_untyped
PASSED tests/test_decorator.py::test_var_args_kwargs[True]
PASSED tests/test_decorator.py::test_var_args_kwargs[False]
PASSED tests/test_decorator.py::test_field_can_provide_factory
PASSED tests/test_decorator.py::test_annotated_field_can_provide_factory
PASSED tests/test_decorator.py::test_positional_only
PASSED tests/test_decorator.py::test_args_name
PASSED tests/test_decorator.py::test_v_args
PASSED tests/test_decorator.py::test_async
PASSED tests/test_decorator.py::test_string_annotation
PASSED tests/test_decorator.py::test_item_method
PASSED tests/test_decorator.py::test_class_method
PASSED tests/test_decorator.py::test_config_title
PASSED tests/test_decorator.py::test_config_title_cls
PASSED tests/test_decorator.py::test_config_fields
PASSED tests/test_decorator.py::test_config_arbitrary_types_allowed
PASSED tests/test_decorator.py::test_validate
PASSED tests/test_decorator.py::test_validate_all
PASSED tests/test_decorator.py::test_validate_all_positional
PASSED tests/test_decorator.py::test_validate_extra
============================== 23 passed in 0.05s ==============================
Test errors Included
Test report (JUnit) Included
<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite name="pytest" errors="0" failures="0" skipped="0" tests="23" time="0.052" timestamp="2026-11-14T02:26:36.351416" hostname="56f256d64dcf"><testcase classname="tests.test_decorator" name="test_args" time="0.001" /><testcase classname="tests.test_decorator" name="test_wrap" time="0.001" /><testcase classname="tests.test_decorator" name="test_kwargs" time="0.001" /><testcase classname="tests.test_decorator" name="test_untyped" time="0.001" /><testcase classname="tests.test_decorator" name="test_var_args_kwargs[True]" time="0.001" /><testcase classname="tests.test_decorator" name="test_var_args_kwargs[False]" time="0.000" /><testcase classname="tests.test_decorator" name="test_field_can_provide_factory" time="0.001" /><testcase classname="tests.test_decorator" name="test_annotated_field_can_provide_factory" time="0.001" /><testcase classname="tests.test_decorator" name="test_positional_only" time="0.003" /><testcase classname="tests.test_decorator" name="test_args_name" time="0.001" /><testcase classname="tests.test_decorator" name="test_v_args" time="0.000" /><testcase classname="tests.test_decorator" name="test_async" time="0.001" /><testcase classname="tests.test_decorator" name="test_string_annotation" time="0.001" /><testcase classname="tests.test_decorator" name="test_item_method" time="0.001" /><testcase classname="tests.test_decorator" name="test_class_method" time="0.001" /><testcase classname="tests.test_decorator" name="test_config_title" time="0.001" /><testcase classname="tests.test_decorator" name="test_config_title_cls" time="0.001" /><testcase classname="tests.test_decorator" name="test_config_fields" time="0.000" /><testcase classname="tests.test_decorator" name="test_config_arbitrary_types_allowed" time="0.001" /><testcase classname="tests.test_decorator" name="test_validate" time="0.001" /><testcase classname="tests.test_decorator" name="test_validate_all" time="0.001" /><testcase classname="tests.test_decorator" name="test_validate_all_positional" time="0.001" /><testcase classname="tests.test_decorator" name="test_validate_extra" time="0.002" /></testsuite></testsuites>
Agent log Included
  [   0.0s] 📋 System Prompt: You are a principal Python software engineer resolving a repository issue in `/workspace`.
  [   0.0s] 🎯 Task Prompt: You are evaluating a software engineering task for repository samuelcolvin/pydantic.
  [  16.5s] 💭 (794 chars) "The user is reporting a bug where `extra` config (specifically `Extra.allow`) is not 
respected for `TypedDict` when usin..."
  [  16.5s] 🔧 run_command (17 lines) python3 - <<'PY'
  [  16.7s]   → 1 validation error for Test
  [  22.7s] 💭 (248 chars) "The bug is reproduced. Now I need to find where `validate_arguments` is defined and how it 
handles `TypedDict` and the `..."
  [  22.7s] 🔧 run_command grep -rn --include="*.py" "validate_arguments" pydantic/
  [  22.8s]   → pydantic/fields.py:407:                    # check also `Required` because of `validate_arguments` that 
sets `...` as de
  [  26.3s] 💭 (95 chars) "`validate_arguments` is indeed in `pydantic/decorator.py`.

Let's read `pydantic/decorator.py`."
  [  26.3s] 📖 read_file (pydantic/decorator.py)
  [  26.3s]   ✓ {'status': 'ok', 'filepath': 'pydantic/decorator.py', 'content': 'from functools import wraps\nfrom 
typing import TYPE_C…
  [  30.4s] 💭 (51 chars) "I need to read the rest of `pydantic/decorator.py`."
  [  30.4s] 📖 read_file (pydantic/decorator.py)
  [  30.4s]   ✓ {'status': 'ok', 'filepath': 'pydantic/decorator.py', 'content': 'from functools import wraps\nfrom 
typing import TYPE_C…
  [  46.0s] 💭 (709 chars) "Wait, the second `read_file` call returned the same output as the first one, even though I 
specified `start_line":151`. ..."
  [  46.0s] 📖 read_file (pydantic/decorator.py)
  [  46.1s]   ✓ {'status': 'ok', 'filepath': 'pydantic/decorator.py', 'content': '\n        var_kwargs = {}\n        
wrong_positional_ar…
  [  87.9s] 💭 (2415 chars) "In `create_model` method of `ValidatedFunction` class:

```python
    def create_model(self, fields: Dict[str, Any], tak..."
  [  87.9s] 🔧 run_command grep -rn --include="*.py" "TypedDict" pydantic/
  [  87.9s]   → pydantic/error_wrappers.py:8:    from typing_extensions import TypedDict
  [  98.9s] 💭 (665 chars) "It seems `pydantic/validators.py` has some logic for `TypedDict`.

```python
pydantic/validators.py:581:    typeddict_cl..."
  [  98.9s] 📖 read_file (pydantic/validators.py)
  [  99.0s]   ✓ {'status': 'ok', 'filepath': 'pydantic/validators.py', 'content': "        if len(values) > 
len(annotations):\n         …
  [ 110.5s] 💭 (867 chars) "Okay, `make_typeddict_validator` takes a `config` and passes it to 
`create_model_from_typeddict` as `__config__`.

```py..."
  [ 110.5s] 📖 read_file (pydantic/annotated_types.py)
  [ 110.5s]   ✓ {'status': 'ok', 'filepath': 'pydantic/annotated_types.py', 'content': 'from typing import 
TYPE_CHECKING, Any, Dict, Fro…
  [ 124.9s] 💭 (643 chars) "So `create_model_from_typeddict` just calls `create_model` with `**kwargs` (which includes 
`__config__`) and the field d..."
  [ 124.9s] 🔧 run_command grep -rn --include="*.py" "make_typeddict_validator" pydantic/
  [ 124.9s]   → pydantic/validators.py:580:def make_typeddict_validator(
  [ 128.8s] 💭 (77 chars) "It's called in `pydantic/validators.py` at line 696. Let's look at that area."
  [ 128.8s] 📖 read_file (pydantic/validators.py)
  [ 128.9s]   ✓ {'status': 'ok', 'filepath': 'pydantic/validators.py', 'content': "    if type_ is Pattern:\n        
yield pattern_valid…
  [ 206.2s] 💭 (4096 chars) "Ah, so it's part of the validator generation process.

When `validate_arguments` is used, it creates a `DecoratorBaseMod..."
  [ 206.2s] 📖 read_file (pydantic/config.py)
  [ 206.2s]   ✓ {'status': 'ok', 'filepath': 'pydantic/config.py', 'content': 'import json\nfrom enum import Enum\nfrom 
typing import TY…
  [ 341.4s] 💭 (6678 chars) "The default `extra` in `BaseConfig` is `Extra.ignore`.

If we change `DecoratorBaseModel.Config` to:
```python
         ..."
  [ 341.4s] 🔧 run_command (32 lines) python3 - <<'PY'
  [ 341.5s]   → Case 1: False
  [ 406.9s] 💭 (510 chars) "Perfect. So if `hasattr(DecoratorBaseModel.Config, 'extra')` is `False`, it means the user 
didn't provide `extra`.

But ..."
  [ 406.9s] 🔧 run_command (10 lines) python3 - <<'PY'
  [ 407.0s]   → Case 5: True, extra=ignore
Native result row
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  "agent_error": "Agent exceeded session timeout (7.5 min)",
  "duration_seconds": 453.26,
  "error": "Empty agent patch",
  "grade": {
    "error": "Empty agent patch",
    "resolved": false,
    "strict_clean_patch": false,
    "test_exit_code": -1
  },
  "instance_id": "samuelcolvin__pydantic-3177",
  "pass_idx": 0,
  "patch_chars": 0,
  "phase1_seconds": 453.26,
  "repo": "samuelcolvin/pydantic",
  "request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/samuelcolvin__pydantic-3177__p0__r6.jsonl",
  "resolved": false,
  "rollout_idx": 6,
  "run_key": "samuelcolvin__pydantic-3177__p0__r6",
  "strict_clean_patch": false,
  "tool_calls": 13,
  "total_llm_calls": 13,
  "trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_samuelcolvin__pydantic-3177__p0__r6.json"
}