migrate to ty

.gitignore

@@ -9,7 +9,6 @@ __pycache__/*
 .idea
 .DS_Store
 .env
-.mypy_cache
 .pytest_cache
 .ruff_cache
 .coverage

Justfile

@@ -8,13 +8,13 @@ lint:
     uv run eof-fixer .
     uv run ruff format
     uv run ruff check --fix
-    uv run mypy .
+    uv run ty check
 
 lint-ci:
     uv run eof-fixer . --check
     uv run ruff format --check
     uv run ruff check --no-fix
-    uv run mypy .
+    uv run ty check
 
 test *args:
     uv run --no-sync pytest {{ args }}

README.md

@@ -1,7 +1,6 @@
 Lite-Bootstrap
 ==
 [![Test Coverage](https://codecov.io/gh/modern-python/lite-bootstrap/branch/main/graph/badge.svg)](https://codecov.io/gh/modern-python/lite-bootstrap)
-[![MyPy Strict](https://img.shields.io/badge/mypy-strict-blue)](https://mypy.readthedocs.io/en/stable/getting_started.html#strict-mode-and-configuration)
 [![Supported versions](https://img.shields.io/pypi/pyversions/lite-bootstrap.svg)](https://pypi.python.org/pypi/lite-bootstrap)
 [![downloads](https://img.shields.io/pypi/dm/lite-bootstrap.svg)](https://pypistats.org/packages/lite-bootstrap)
 [![GitHub stars](https://img.shields.io/github/stars/modern-python/lite-bootstrap)](https://github.com/modern-python/lite-bootstrap/stargazers)

lite_bootstrap/bootstrappers/fastapi_bootstrapper.py

@@ -64,7 +64,7 @@ class FastApiCorsInstrument(CorsInstrument):
 
     def bootstrap(self) -> None:
         self.bootstrap_config.application.add_middleware(
-            CORSMiddleware,
+            CORSMiddleware,  # ty: ignore[invalid-argument-type]
             allow_origins=self.bootstrap_config.cors_allowed_origins,
             allow_methods=self.bootstrap_config.cors_allowed_methods,
             allow_headers=self.bootstrap_config.cors_allowed_headers,

lite_bootstrap/bootstrappers/faststream_bootstrapper.py

@@ -52,7 +52,7 @@ def __init__(
 
 @dataclasses.dataclass(kw_only=True, slots=True, frozen=True)
 class FastStreamConfig(HealthChecksConfig, LoggingConfig, OpentelemetryConfig, PrometheusConfig, SentryConfig):
-    application: "AsgiFastStream" = dataclasses.field(default_factory=lambda: AsgiFastStream())
+    application: "AsgiFastStream" = dataclasses.field(default_factory=AsgiFastStream)
     opentelemetry_middleware_cls: type[FastStreamTelemetryMiddlewareProtocol] | None = None
     prometheus_middleware_cls: type[FastStreamPrometheusMiddlewareProtocol] | None = None
 
@@ -103,7 +103,7 @@ def bootstrap(self) -> None:
         if self.bootstrap_config.opentelemetry_middleware_cls and self.bootstrap_config.application.broker:
             self.bootstrap_config.opentelemetry_middleware_cls(tracer_provider=get_tracer_provider())
             self.bootstrap_config.application.broker.add_middleware(
-                self.bootstrap_config.opentelemetry_middleware_cls(tracer_provider=get_tracer_provider())  # type: ignore[arg-type]
+                self.bootstrap_config.opentelemetry_middleware_cls(tracer_provider=get_tracer_provider())
             )
 
 
@@ -116,7 +116,7 @@ class FastStreamSentryInstrument(SentryInstrument):
 class FastStreamPrometheusInstrument(PrometheusInstrument):
     bootstrap_config: FastStreamConfig
     collector_registry: "prometheus_client.CollectorRegistry" = dataclasses.field(
-        default_factory=lambda: prometheus_client.CollectorRegistry(), init=False
+        default_factory=prometheus_client.CollectorRegistry, init=False
     )
     not_ready_message = PrometheusInstrument.not_ready_message + " or prometheus_middleware_cls is missing"
     missing_dependency_message = "prometheus_client is not installed"
@@ -138,7 +138,7 @@ def bootstrap(self) -> None:
         )
         if self.bootstrap_config.prometheus_middleware_cls and self.bootstrap_config.application.broker:
             self.bootstrap_config.application.broker.add_middleware(
-                self.bootstrap_config.prometheus_middleware_cls(registry=self.collector_registry)  # type: ignore[arg-type]
+                self.bootstrap_config.prometheus_middleware_cls(registry=self.collector_registry)
             )
 
 

lite_bootstrap/bootstrappers/litestar_bootstrapper.py

@@ -49,7 +49,7 @@ class LitestarConfig(
     SentryConfig,
     SwaggerConfig,
 ):
-    application_config: "AppConfig" = dataclasses.field(default_factory=lambda: AppConfig())
+    application_config: "AppConfig" = dataclasses.field(default_factory=AppConfig)
     opentelemetry_excluded_urls: list[str] = dataclasses.field(default_factory=list)
     prometheus_additional_params: dict[str, typing.Any] = dataclasses.field(default_factory=dict)
     swagger_extra_params: dict[str, typing.Any] = dataclasses.field(default_factory=dict)

lite_bootstrap/instruments/opentelemetry_instrument.py

@@ -7,7 +7,7 @@
 
 
 if typing.TYPE_CHECKING:
-    from opentelemetry.instrumentation.instrumentor import BaseInstrumentor  # type: ignore[attr-defined]
+    from opentelemetry.instrumentation.instrumentor import BaseInstrumentor
 
 if import_checker.is_opentelemetry_installed:
     from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import OTLPSpanExporter

lite_bootstrap/instruments/sentry_instrument.py

@@ -58,7 +58,7 @@ def enrich_sentry_event_from_structlog_log(
             return None
 
         if event_name := loaded_formatted_log.get("event"):
-            event["logentry"]["formatted"] = event_name  # type: ignore[index]
+            event["logentry"]["formatted"] = event_name
         else:
             return event
 

pyproject.toml

@@ -123,7 +123,7 @@ dev = [
     "redis>=5.2.1",
 ]
 lint = [
-    "mypy",
+    "ty",
     "ruff",
     "eof-fixer",
 ]
@@ -136,10 +136,6 @@ build-backend = "uv_build"
 module-name = "lite_bootstrap"
 module-root = ""
 
-[tool.mypy]
-python_version = "3.10"
-strict = true
-
 [tool.ruff]
 fix = false
 unsafe-fixes = true

tests/conftest.py

@@ -5,13 +5,14 @@
 
 import pytest
 import sentry_sdk
-from opentelemetry.instrumentation.instrumentor import BaseInstrumentor  # type: ignore[attr-defined]
+from opentelemetry.instrumentation.instrumentor import BaseInstrumentor
+from sentry_sdk.envelope import Envelope
 from structlog.typing import EventDict, WrappedLogger
 
 from lite_bootstrap import import_checker
 
 
-class CustomInstrumentor(BaseInstrumentor):  # type: ignore[misc]
+class CustomInstrumentor(BaseInstrumentor):
     def instrumentation_dependencies(self) -> typing.Collection[str]:
         return []
 
@@ -22,9 +23,9 @@ def _uninstrument(self, **kwargs: typing.Mapping[str, typing.Any]) -> None:
 class SentryTestTransport(sentry_sdk.Transport):
     def __init__(self, *args: typing.Any, **kwargs: typing.Any) -> None:  # noqa: ANN401
         super().__init__(*args, **kwargs)
-        self.mock_envelopes: list[sentry_sdk.envelope.Envelope] = []
+        self.mock_envelopes: list[Envelope] = []
 
-    def capture_envelope(self, envelope: sentry_sdk.envelope.Envelope) -> None:
+    def capture_envelope(self, envelope: Envelope) -> None:
         self.mock_envelopes.append(envelope)