feat: change to ty instead of basedpyright

Author: Minibrams

.devcontainer/devcontainer.json

@@ -1,9 +1,9 @@
 {
-    "name": "dev",
+    "name": "openapi-python-dev",
     "dockerComposeFile": [
         "docker-compose.yml"
     ],
-    "service": "dev",
+    "service": "openapi-python-dev",
     "workspaceFolder": "/code",
     "overrideCommand": true,
     "postCreateCommand": "prek install",
@@ -14,12 +14,12 @@
                 "openai.chatgpt",
                 // Python dev
                 "charliermarsh.ruff",
-                "detachhead.basedpyright",
+                "astral-sh.ty",
                 "tamasfe.even-better-toml"
             ],
             "settings": {
                 "terminal.integrated.shell.linux": "/bin/bash"
             }
         }
     }
-}
+}

.devcontainer/docker-compose.yml

@@ -1,5 +1,5 @@
 services:
-  dev:
+  openapi-python-dev:
     build:
       context: ../
       dockerfile: .devcontainer/Dockerfile

.github/workflows/qa.yml

@@ -33,7 +33,7 @@ jobs:
         run: uv run ruff format --check .
 
       - name: Type check package
-        run: uv run basedpyright -p pyproject.toml
+        run: uv run ty check .
 
       - name: Contract tests
         run: uv run pytest -n auto

.github/workflows/release.yml

@@ -74,7 +74,7 @@ jobs:
         run: uv run ruff format --check .
 
       - name: Type check package
-        run: uv run basedpyright -p pyproject.toml
+        run: uv run ty check .
 
       - name: Contract tests
         run: uv run pytest tests/test_contracts.py -n auto

.pre-commit-config.yaml

@@ -28,7 +28,7 @@ repos:
       - id: type check
         name: type check
         language: system
-        entry: uv run basedpyright .
+        entry: uv run ty check .
         pass_filenames: false
         priority: 1
 

.vscode/settings.json

@@ -3,7 +3,6 @@
   "editor.quickSuggestions": {
     "strings": true
   },
-  // API
   "[python]": {
     "editor.tabSize": 4,
     "editor.defaultFormatter": "charliermarsh.ruff",

openapi_python/utils.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import TypeVar, overload
+from typing import TypeVar, cast, overload
 
 _T = TypeVar("_T")
 
@@ -19,9 +19,10 @@ def safe_get(
     current = obj
     for part in path:
         if isinstance(current, dict):
-            if part not in current:
+            current_dict = cast(dict[str | int, object], current)
+            if part not in current_dict:
                 return None
-            current = current[part]
+            current = current_dict[part]
             continue
 
         if isinstance(current, list) and isinstance(part, int):

pyproject.toml

@@ -34,7 +34,6 @@ openapi-python = "openapi_python.cli:main"
 
 [dependency-groups]
 dev = [
-    "basedpyright>=1.39.3",
     "fastapi>=0.115.12",
     "httpx>=0.28.1",
     "pytest>=8.3.5",
@@ -43,6 +42,7 @@ dev = [
     "python-multipart>=0.0.20",
     "ruff>=0.9.10",
     "twine>=6.1.0",
+    "ty>=0.0.34",
     "uvicorn>=0.34.0",
 ]
 
@@ -53,15 +53,16 @@ package = true
 ignore = ["E712"]
 extend-select = ["I"]
 
-[tool.pyright]
-include = ["./openapi_python/**/*.py"]
-typeCheckingMode = "standard"
-reportMissingImports = true
-reportUnusedVariable = true
-reportOptionalSubscript = true
-reportOptionalMemberAccess = true
-reportOptionalCall = true
-pythonVersion = "3.12"
+[tool.ty.src]
+include = ["**/*.py"]
+exclude = ["**/__pycache__/", ".venv/", "**/generated/"]
+
+[tool.ty.environment]
+python = ".venv"
+python-version = "3.12"
+
+[tool.ty.rules]
+unresolved-import = "error"
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]

pyrightconfig.json

@@ -105,7 +105,7 @@ def main() -> None:
 
     run(["uv", "run", "ruff", "check", "--select", "I", "."])
     run(["uv", "run", "ruff", "format", "--check", "."])
-    run(["uv", "run", "basedpyright", "-p", "pyproject.toml"])
+    run(["uv", "run", "ty", "check", "."])
     run(["uv", "run", "pytest", "-n", "auto"])
     run(["uv", "build"])