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Remove the reportUntypedFunctionDecorator hint from pyrightconfig.json and fix all resulting type errors.

This change enforces stricter type checking for function decorators by removing the setting that suppressed warnings for untyped decorators.

To resolve the newly surfaced errors, the following changes were made:

  • Added explicit type annotations (Callable, ParamSpec, TypeVar, overload) to all custom decorators in api/controllers/console/wraps.py, api/controllers/console/app/wraps.py, api/controllers/console/datasets/wraps.py, api/controllers/inner_api/plugin/wraps.py, and api/controllers/service_api/wraps.py.
  • Corrected the usage of decorators in api/controllers/service_api/dataset/dataset.py and api/controllers/service_api/workspace/models.py.
  • Added type hints to error handlers in api/libs/external_api.py.
  • Removed unused imports that were identified during the process.

All type-checking errors have been resolved, and the backend unit tests pass.

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  2. Ensure there is an associated issue and you have been assigned to it
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part of #26412

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Checklist

  • This change requires a documentation update, included: Dify Document
  • I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
  • I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
  • I've updated the documentation accordingly.
  • I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods

google-labs-jules bot and others added 2 commits October 7, 2025 08:10
Remove the `reportUntypedFunctionDecorator` hint from `pyrightconfig.json` and fix all resulting type errors.

This change enforces stricter type checking for function decorators by removing the setting that suppressed warnings for untyped decorators.

To resolve the newly surfaced errors, the following changes were made:
- Added explicit type annotations (`Callable`, `ParamSpec`, `TypeVar`, `overload`) to all custom decorators in `api/controllers/console/wraps.py`, `api/controllers/console/app/wraps.py`, `api/controllers/console/datasets/wraps.py`, `api/controllers/inner_api/plugin/wraps.py`, and `api/controllers/service_api/wraps.py`.
- Corrected the usage of decorators in `api/controllers/service_api/dataset/dataset.py` and `api/controllers/service_api/workspace/models.py`.
- Added type hints to error handlers in `api/libs/external_api.py`.
- Removed unused imports that were identified during the process.

All type-checking errors have been resolved, and the backend unit tests pass.
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/gemini review

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Code Review

This pull request focuses on enforcing typed decorators by removing reportUntypedFunctionDecorator from pyrightconfig.json and fixing the resulting type errors across several files. The changes are well-executed, primarily involving the addition of type hints (Callable, ParamSpec, TypeVar, overload) to decorators and error handlers. This significantly improves the codebase's type safety and maintainability.

My review identified a few areas for improvement in api/controllers/service_api/dataset/dataset.py, where a newly injected tenant_id parameter is consistently left unused in favor of current_user.current_tenant_id. While this doesn't cause a functional bug, using the injected parameter directly would improve code clarity and consistency. I've provided suggestions to address this.

@asukaminato0721 asukaminato0721 marked this pull request as ready for review October 7, 2025 08:27
Copilot AI review requested due to automatic review settings October 7, 2025 08:27
@dosubot dosubot bot added the size:L This PR changes 100-499 lines, ignoring generated files. label Oct 7, 2025
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Pull Request Overview

Enforces stricter type checking for function decorators by removing the reportUntypedFunctionDecorator hint from pyrightconfig.json and fixing all resulting type errors.

  • Removed reportUntypedFunctionDecorator setting to enable strict type checking for decorators
  • Added comprehensive type annotations using overload, Callable, ParamSpec, and TypeVar to all custom decorators
  • Fixed decorator usage patterns and removed unused imports in service API controllers

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 2 comments.

Show a summary per file
File Description
api/pyrightconfig.json Removed type checking suppression for untyped function decorators
api/libs/external_api.py Added type annotations and # type: ignore comments to error handlers
api/controllers/service_api/wraps.py Added comprehensive type annotations with overloads to decorators
api/controllers/service_api/workspace/models.py Fixed decorator usage by using DatasetApiResource base class
api/controllers/service_api/dataset/dataset.py Removed redundant decorator usage and fixed method signatures
api/controllers/inner_api/plugin/wraps.py Added type annotations with overloads to plugin decorators
api/controllers/console/wraps.py Added type annotations to all console decorators
api/controllers/console/datasets/wraps.py Added type annotations with overloads to dataset decorators
api/controllers/console/app/wraps.py Added type annotations with overloads to app decorators

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cc @laipz8200 any advice?

@asukaminato0721 asukaminato0721 marked this pull request as draft October 7, 2025 12:12
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asukaminato0721 commented Oct 27, 2025

get_app_model is being raised by pyright and basedpyright, but not by pyrelfy... well.

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/gemini review

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Code Review

This pull request does a great job of enforcing stricter type checking for decorators, which significantly improves code quality and maintainability. The changes are extensive and well-executed across multiple files by adding explicit type annotations. However, I've found a critical runtime bug in the implementation of the validate_dataset_token decorator when applied to instance methods. The argument injection logic incorrectly handles the self argument, which will lead to runtime errors. Please see my detailed comment for the fix.

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/gemini review

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Code Review

This pull request focuses on enforcing typed decorators by removing reportUntypedFunctionDecorator and fixing the resulting type errors. The changes are well-executed, adding explicit type annotations to decorators across multiple files, which significantly improves type safety and code clarity. My review includes a few suggestions to further enhance this effort by adding missing return type hints to some inner decorator functions for consistency. I also identified a couple of instances of bare except clauses that could be made more specific to improve code robustness. Overall, this is a valuable contribution to improving the codebase's quality.

def cloud_edition_billing_enabled(view: Callable[P, R]):
def cloud_edition_billing_enabled(view: Callable[P, R]) -> Callable[P, R]:
@wraps(view)
def decorated(*args: P.args, **kwargs: P.kwargs):
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medium

The inner decorated function is missing its return type hint. To maintain consistency with the other typed decorators in this file, you should add -> R.

Suggested change
def decorated(*args: P.args, **kwargs: P.kwargs):
def decorated(*args: P.args, **kwargs: P.kwargs) -> R:

def cloud_edition_billing_resource_check(resource: str) -> Callable[[Callable[P, R]], Callable[P, R]]:
def interceptor(view: Callable[P, R]) -> Callable[P, R]:
@wraps(view)
def decorated(*args: P.args, **kwargs: P.kwargs):
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medium

The inner decorated function is missing its return type hint. To maintain consistency with the other typed decorators in this file, you should add -> R.

Suggested change
def decorated(*args: P.args, **kwargs: P.kwargs):
def decorated(*args: P.args, **kwargs: P.kwargs) -> R:

def cloud_edition_billing_knowledge_limit_check(resource: str) -> Callable[[Callable[P, R]], Callable[P, R]]:
def interceptor(view: Callable[P, R]) -> Callable[P, R]:
@wraps(view)
def decorated(*args: P.args, **kwargs: P.kwargs):
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medium

The inner decorated function is missing its return type hint. To maintain consistency with the other typed decorators in this file, you should add -> R.

Suggested change
def decorated(*args: P.args, **kwargs: P.kwargs):
def decorated(*args: P.args, **kwargs: P.kwargs) -> R:

def is_allow_transfer_owner(view: Callable[P, R]):
def is_allow_transfer_owner(view: Callable[P, R]) -> Callable[P, R]:
@wraps(view)
def decorated(*args: P.args, **kwargs: P.kwargs):
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medium

The inner decorated function is missing its return type hint. To maintain consistency with the other typed decorators in this file, you should add -> R.

Suggested change
def decorated(*args: P.args, **kwargs: P.kwargs):
def decorated(*args: P.args, **kwargs: P.kwargs) -> R:

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/gemini review

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Code Review

This pull request does a great job of enforcing stricter type checking for decorators, which significantly improves code quality and maintainability. The use of overload for decorators that can be called with or without arguments is well-implemented. The refactoring in api/controllers/service_api/dataset/dataset.py and api/controllers/service_api/workspace/models.py to apply decorators at the class level is a good simplification.

I've identified a few decorators in api/controllers/console/wraps.py where the innermost function is still missing a return type annotation. Adding these will make the typing more complete and consistent with the rest of the changes in this PR. Overall, this is a solid improvement.

@asukaminato0721 asukaminato0721 force-pushed the fix/enforce-typed-decorators branch 4 times, most recently from 6464b8f to f0565d3 Compare December 2, 2025 08:38
@asukaminato0721 asukaminato0721 force-pushed the fix/enforce-typed-decorators branch 2 times, most recently from 2437a4e to 19f68f2 Compare December 8, 2025 06:39
@asukaminato0721 asukaminato0721 force-pushed the fix/enforce-typed-decorators branch from 3f72031 to f72d82a Compare December 14, 2025 17:54
@asukaminato0721 asukaminato0721 force-pushed the fix/enforce-typed-decorators branch from f72d82a to 625ec8d Compare December 17, 2025 02:34
@asukaminato0721 asukaminato0721 changed the title Enforce Typed Decorators and Fix Type Errors fix: Enforce Typed Decorators and Fix Type Errors Jan 12, 2026
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