chore!: drop Python 3.10, which reached end of life

.github/workflows/_checks.yml

@@ -12,8 +12,8 @@ jobs:
         with:
           enable-cache: true
           cache-dependency-glob: "**/pyproject.toml"
-      - run: uv python install 3.10
-      - run: uv python pin 3.10
+      - run: uv python install 3.11
+      - run: uv python pin 3.11
       - run: just install lint-ci
       - run: just adr-check
 
@@ -49,7 +49,6 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
@@ -96,7 +95,7 @@ jobs:
         with:
           enable-cache: true
           cache-dependency-glob: "**/pyproject.toml"
-      - run: uv python install 3.10
+      - run: uv python install 3.11
       - name: Each extra installs and imports in isolation
         run: |
           set -uo pipefail
@@ -110,12 +109,12 @@ jobs:
             faststream faststream-sentry faststream-otl faststream-logging faststream-metrics faststream-all \
             fastmcp fastmcp-metrics fastmcp-all"
           failed=""
-          uv venv --python 3.10 .v-bare >/dev/null
+          uv venv --python 3.11 .v-bare >/dev/null
           if uv pip install --python .v-bare/bin/python . >/dev/null 2>&1 \
                && .v-bare/bin/python -c "import lite_bootstrap"; then :; else failed="$failed __bare__"; fi
           rm -rf .v-bare
           for e in $extras; do
-            uv venv --python 3.10 ".v-$e" >/dev/null
+            uv venv --python 3.11 ".v-$e" >/dev/null
             if uv pip install --python ".v-$e/bin/python" ".[$e]" >/dev/null 2>&1 \
                  && ".v-$e/bin/python" -c "import lite_bootstrap"; then :; else failed="$failed $e"; fi
             rm -rf ".v-$e"
@@ -138,7 +137,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
         target: [free, fastapi, litestar, faststream, fastmcp]
         # These `include` entries name an existing `target`, so each adds `extras` to that
         # target's five combinations rather than creating a job of its own. `free` carries

.github/workflows/security-audit.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           enable-cache: true
           cache-dependency-glob: "**/pyproject.toml"
-      - run: uv python install 3.10
+      - run: uv python install 3.11
       - name: Export locked dependencies
         run: uv export --all-extras --no-hashes > /tmp/requirements.txt
       - name: Install pip-audit

lite_bootstrap/instruments/base.py

@@ -1,8 +1,6 @@
 import dataclasses
 import typing
 
-import typing_extensions
-
 
 @dataclasses.dataclass(kw_only=True, slots=True, frozen=True)
 class BaseConfig:
@@ -21,13 +19,13 @@ def __post_init__(self) -> None:
         """
 
     @classmethod
-    def from_dict(cls, data: dict[str, typing.Any]) -> typing_extensions.Self:
+    def from_dict(cls, data: dict[str, typing.Any]) -> typing.Self:
         """Build a config from a dict; unknown keys are silently dropped, explicit None overrides defaults."""
         field_names = {f.name for f in dataclasses.fields(cls)}
         return cls(**{k: v for k, v in data.items() if k in field_names})
 
     @classmethod
-    def from_object(cls, obj: object) -> typing_extensions.Self:
+    def from_object(cls, obj: object) -> typing.Self:
         """Build a config by merging non-None attributes from obj; None or missing attributes fall back to defaults."""
         field_names = {f.name for f in dataclasses.fields(cls)}
         prepared_data = {field: value for field in field_names if (value := getattr(obj, field, None)) is not None}

pyproject.toml

@@ -5,13 +5,12 @@ authors = [
     { name = "Artur Shiriev", email = "me@shiriev.ru" },
 ]
 readme = "README.md"
-requires-python = ">=3.10,<4"
+requires-python = ">=3.11,<4"
 license = "MIT"
 keywords = ["microservices", "bootstrap", "opentelemetry", "sentry", "prometheus", "healthcheck", "fastapi", "litestar", "faststream", "structlog", "fastmcp", "python"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",
-    "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
@@ -21,11 +20,9 @@ classifiers = [
 ]
 version = "0"
 dependencies = [
-    # Runtime use: `typing_extensions.Self` (base.py) and `typing_extensions.TypedDict`
-    # (healthchecks) — the latter is required by pydantic/FastAPI on Python < 3.12
-    # (`typing.TypedDict` is rejected there). Pure Python, so ft-friendly.
-    # >=4.0 for `Self`; >=4.6 because 4.4 and 4.5 raise on import under Python >=3.12
-    # (they subclass `typing.TypeVar`). The higher floor wins.
+    # Runtime use: `typing_extensions.TypedDict` (healthchecks), required by pydantic/FastAPI on
+    # Python < 3.12 (`typing.TypedDict` is rejected there). Pure Python, so ft-friendly.
+    # >=4.6 because 4.4 and 4.5 raise on import under Python >=3.12 (they subclass `typing.TypeVar`).
     "typing-extensions>=4.6",
 ]
 
@@ -49,7 +46,7 @@ sentry = [
     # >=1.31 for the `max_value_length` init option; >=2.1 for sentry_sdk.set_tags (plural,
     # SentryInstrument.bootstrap) -- the higher floor wins.
     # 2.1 predates Python 3.13's FrameLocalsProxy, which the SDK fails to pickle when capturing a
-    # request, and 3.14 needs later fixes again. Marked rather than raised, so 3.10-3.12 keep 2.1.
+    # request, and 3.14 needs later fixes again. Marked rather than raised, so 3.11-3.12 keep 2.1.
     # 2.69.0 signs `sentry-trace`/`baggage` into SigV4 SignedHeaders and then rewrites them after
     # signing, so every aiobotocore AWS call inside a transaction fails with SignatureDoesNotMatch
     # (getsentry/sentry-python#7426, fixed in 2.69.1).