👷 Add ty to precommit (#2227)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -47,6 +47,13 @@ repos:
         language: unsupported
         pass_filenames: false
 
+      - id: local-ty
+        name: ty check
+        entry: uv run ty check backend/app
+        require_serial: true
+        language: unsupported
+        pass_filenames: false
+
       - id: generate-frontend-sdk
         name: Generate Frontend SDK
         entry: bash ./scripts/generate-client.sh

backend/app/alembic/env.py

@@ -63,6 +63,7 @@ def run_migrations_online():
 
     """
     configuration = config.get_section(config.config_ini_section)
+    assert configuration is not None
     configuration["sqlalchemy.url"] = get_url()
     connectable = engine_from_config(
         configuration,

backend/app/alembic/versions/1a31ce608336_add_cascade_delete_relationships.py

@@ -29,7 +29,7 @@ def upgrade():
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_constraint(None, 'item', type_='foreignkey')
+    op.drop_constraint('item_owner_id_fkey', 'item', type_='foreignkey')
     op.create_foreign_key('item_owner_id_fkey', 'item', 'user', ['owner_id'], ['id'])
     op.alter_column('item', 'owner_id',
                existing_type=sa.UUID(),

backend/app/api/routes/items.py

@@ -41,7 +41,8 @@ def read_items(
         )
         items = session.exec(statement).all()
 
-    return ItemsPublic(data=items, count=count)
+    items_public = [ItemPublic.model_validate(item) for item in items]
+    return ItemsPublic(data=items_public, count=count)
 
 
 @router.get("/{id}", response_model=ItemPublic)

backend/app/api/routes/users.py

@@ -47,7 +47,8 @@ def read_users(session: SessionDep, skip: int = 0, limit: int = 100) -> Any:
     )
     users = session.exec(statement).all()
 
-    return UsersPublic(data=users, count=count)
+    users_public = [UserPublic.model_validate(user) for user in users]
+    return UsersPublic(data=users_public, count=count)
 
 
 @router.post(

backend/app/models.py

@@ -31,7 +31,7 @@ class UserRegister(SQLModel):
 
 # Properties to receive via API on update, all are optional
 class UserUpdate(UserBase):
-    email: EmailStr | None = Field(default=None, max_length=255)  # type: ignore
+    email: EmailStr | None = Field(default=None, max_length=255)  # type: ignore[assignment]
     password: str | None = Field(default=None, min_length=8, max_length=128)
 
 
@@ -80,7 +80,7 @@ class ItemCreate(ItemBase):
 
 # Properties to receive on item update
 class ItemUpdate(ItemBase):
-    title: str | None = Field(default=None, min_length=1, max_length=255)  # type: ignore
+    title: str | None = Field(default=None, min_length=1, max_length=255)  # type: ignore[assignment]
 
 
 # Database model, database table inferred from class name

backend/app/utils.py

@@ -4,7 +4,7 @@ from datetime import datetime, timedelta, timezone
 from pathlib import Path
 from typing import Any
 
-import emails  # type: ignore
+import emails  # type: ignore[import-untyped]
 import jwt
 from jinja2 import Template
 from jwt.exceptions import InvalidTokenError

backend/pyproject.toml

@@ -25,6 +25,7 @@ dependencies = [
 dev = [
     "pytest<8.0.0,>=7.4.3",
     "mypy<2.0.0,>=1.8.0",
+    "ty>=0.0.25",
     "ruff<1.0.0,>=0.2.2",
     "prek>=0.2.24,<1.0.0",
     "coverage<8.0.0,>=7.4.3",
@@ -75,3 +76,6 @@ sort = "-Cover"
 
 [tool.coverage.html]
 show_contexts = true
+
+[tool.ty.terminal]
+error-on-warning = true

backend/scripts/lint.sh

@@ -4,5 +4,6 @@ set -e
 set -x
 
 mypy app
+ty check app
 ruff check app
 ruff format app --check

uv.lock

@@ -87,6 +87,7 @@ dev = [
     { name = "prek" },
     { name = "pytest" },
     { name = "ruff" },
+    { name = "ty" },
 ]
 
 [package.metadata]
@@ -115,6 +116,7 @@ dev = [
     { name = "prek", specifier = ">=0.2.24,<1.0.0" },
     { name = "pytest", specifier = ">=7.4.3,<8.0.0" },
     { name = "ruff", specifier = ">=0.2.2,<1.0.0" },
+    { name = "ty", specifier = ">=0.0.25" },
 ]
 
 [[package]]
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 ]
 
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 name = "typer"
 version = "0.21.1"