chore!: Deprecate support for python 3.9 (#609)

* chore!: Deprecate support for python 3.9

* Remove 3.9

Author: kylebarron

.github/workflows/test-python.yml

@@ -44,7 +44,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v4
 

.github/workflows/wheels.yml

@@ -52,13 +52,13 @@ jobs:
           version: "0.5.x"
 
       - name: Install Python versions
-        run: uv python install 3.9 3.10 3.11 3.12 3.13 3.14 pypy3.10
+        run: uv python install 3.10 3.11 3.12 3.13 3.14 pypy3.10
 
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out dist -i 3.9 -i 3.10 -i 3.11 -i 3.12 -i 3.13 -i 3.14 -i pypy3.10 --manifest-path obstore/Cargo.toml
+          args: --release --out dist -i 3.10 -i 3.11 -i 3.12 -i 3.13 -i 3.14 -i pypy3.10 --manifest-path obstore/Cargo.toml
           sccache: "true"
           manylinux: ${{ matrix.platform.manylinux }}
       - name: Upload wheels
@@ -90,13 +90,13 @@ jobs:
           version: "0.5.x"
 
       - name: Install Python versions
-        run: uv python install 3.9 3.10 3.11 3.12 3.13 3.14 pypy3.10
+        run: uv python install 3.10 3.11 3.12 3.13 3.14 pypy3.10
 
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out dist -i 3.9 -i 3.10 -i 3.11 -i 3.12 -i 3.13 -i 3.14 -i pypy3.10 --manifest-path obstore/Cargo.toml
+          args: --release --out dist -i 3.10 -i 3.11 -i 3.12 -i 3.13 -i 3.14 -i pypy3.10 --manifest-path obstore/Cargo.toml
           sccache: "true"
           manylinux: musllinux_1_2
       - name: Upload wheels
@@ -126,7 +126,7 @@ jobs:
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out dist -i 3.9 -i 3.10 -i 3.11 -i 3.12 -i 3.13 --manifest-path obstore/Cargo.toml
+          args: --release --out dist -i 3.10 -i 3.11 -i 3.12 -i 3.13 --manifest-path obstore/Cargo.toml
           sccache: "true"
       - name: Upload wheels
         uses: actions/upload-artifact@v4
@@ -153,13 +153,13 @@ jobs:
           version: "0.5.x"
 
       - name: Install Python versions
-        run: uv python install 3.9 3.10 3.11 3.12 3.13 3.14 pypy3.10
+        run: uv python install 3.10 3.11 3.12 3.13 3.14 pypy3.10
 
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out dist -i 3.9 -i 3.10 -i 3.11 -i 3.12 -i 3.13 -i 3.14 -i pypy3.10 --manifest-path obstore/Cargo.toml
+          args: --release --out dist -i 3.10 -i 3.11 -i 3.12 -i 3.13 -i 3.14 -i pypy3.10 --manifest-path obstore/Cargo.toml
           sccache: "true"
       - name: Upload wheels
         uses: actions/upload-artifact@v4

obstore/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "obstore"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 readme = "README.md"
 dependencies = ["typing-extensions; python_version < '3.13'"]
 classifiers = [

pyproject.toml

@@ -3,7 +3,7 @@ name = "test-env"
 version = "0.1.0"
 description = "Add your description here"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = []
 
 [tool.uv]
@@ -44,11 +44,7 @@ dev-dependencies = [
     "tqdm>=4.67.1",
     "types-boto3[s3,sts]>=1.36.23",
     "types-requests>=2.31.0.6",
-]
-constraint-dependencies = [
-    # ensure lockfile grabs wheels for pyproj for each Python version
-    "urllib; python_version == '3.9'",
-    "urllib>=2.0; python_version >= '3.10'",
+    "urllib3>=2.0",
 ]
 
 [tool.uv.workspace]

tests/store/test_s3.py

@@ -1,7 +1,6 @@
 # ruff: noqa: PGH003
 
 import pickle
-import sys
 from datetime import datetime, timezone
 
 import pytest
@@ -10,10 +9,6 @@
 from obstore.store import S3Store, from_url
 
 
-@pytest.mark.skipif(
-    sys.version_info < (3, 10),
-    reason="Moto doesn't seem to support Python 3.9",
-)
 @pytest.mark.asyncio
 async def test_list_async(minio_store: S3Store):
     await minio_store.put_async("afile", b"hello world")
@@ -22,10 +17,6 @@ async def test_list_async(minio_store: S3Store):
     assert any("afile" in x["path"] for x in list_result)
 
 
-@pytest.mark.skipif(
-    sys.version_info < (3, 10),
-    reason="Moto doesn't seem to support Python 3.9",
-)
 @pytest.mark.asyncio
 async def test_get_async(minio_store: S3Store):
     await minio_store.put_async("afile", b"hello world")