chore(ci): stop building for Python 3.8

Fixes #2129.

.env

@@ -32,7 +32,7 @@ JDK=8
 MANYLINUX=2014
 MAVEN=3.6.3
 PLATFORM=linux/amd64
-PYTHON=3.8
+PYTHON=3.9
 GO=1.21.8
 ARROW_MAJOR_VERSION=14
 DOTNET=8.0

.github/workflows/packaging.yml

@@ -616,14 +616,6 @@ jobs:
             adbc/python/adbc_driver_sqlite/repaired_wheels/*.whl
             adbc/python/adbc_driver_snowflake/repaired_wheels/*.whl
 
-      - name: Test wheel 3.8
-        env:
-          ARCH: ${{ matrix.arch }}
-          PLATFORM: ${{ matrix.platform }}
-        run: |
-          pushd adbc
-          env PYTHON=3.8 docker compose run python-wheel-manylinux-test
-
       - name: Test wheel 3.9
         env:
           ARCH: ${{ matrix.arch }}
@@ -728,11 +720,10 @@ jobs:
         if: matrix.arch == 'amd64'
         run: |
           pushd adbc
-          sudo ci/scripts/install_python.sh macos 3.8
           sudo ci/scripts/install_python.sh macos 3.9
           popd
 
-      - name: Install Python (AMD64 only)
+      - name: Install Python
         run: |
           pushd adbc
           sudo ci/scripts/install_python.sh macos 3.10
@@ -762,17 +753,6 @@ jobs:
             adbc/python/adbc_driver_sqlite/repaired_wheels/*.whl
             adbc/python/adbc_driver_snowflake/repaired_wheels/*.whl
 
-      - name: Test wheel 3.8
-        if: matrix.arch == 'amd64'
-        run: |
-          pushd adbc
-
-          /Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8 -m venv test-env-38
-          source test-env-38/bin/activate
-          export PYTHON_VERSION=3.8
-          ./ci/scripts/python_wheel_unix_test.sh $(pwd)
-          deactivate
-
       - name: Test wheel 3.9
         if: matrix.arch == 'amd64'
         run: |

ci/scripts/install_python.sh

@@ -27,8 +27,7 @@ platforms=([windows]=Windows
            [linux]=Linux)
 
 declare -A versions
-versions=([3.8]=3.8.10
-          [3.9]=3.9.13
+versions=([3.9]=3.9.13
           [3.10]=3.10.11
           [3.11]=3.11.8
           [3.12]=3.12.2)

ci/scripts/python_util.sh

@@ -136,7 +136,8 @@ function setup_build_vars {
         export CIBW_BUILD='*-manylinux_*'
         export CIBW_PLATFORM="linux"
     fi
-    export CIBW_SKIP="pp* ${CIBW_SKIP}"
+    # No PyPy, no Python 3.8
+    export CIBW_SKIP="pp* cp38-* ${CIBW_SKIP}"
 }
 
 function test_packages {

dev/release/verify-release-candidate.sh

@@ -825,7 +825,7 @@ test_linux_wheels() {
     local arch="x86_64"
   fi
 
-  local python_versions="${TEST_PYTHON_VERSIONS:-3.9 3.10 3.11}"
+  local python_versions="${TEST_PYTHON_VERSIONS:-3.9 3.10 3.11 3.12}"
 
   for python in ${python_versions}; do
     local pyver=${python/m}
@@ -847,7 +847,7 @@ test_macos_wheels() {
     local platform_tags="x86_64"
   fi
 
-  local python_versions="${TEST_PYTHON_VERSIONS:-3.9 3.10 3.11}"
+  local python_versions="${TEST_PYTHON_VERSIONS:-3.9 3.10 3.11 3.12}"
 
   # verify arch-native wheels inside an arch-native conda environment
   for python in ${python_versions}; do

python/adbc_driver_bigquery/pyproject.toml

@@ -21,7 +21,7 @@ description = "An ADBC driver for working with BigQuery."
 authors = [{name = "Apache Arrow Developers", email = "[email protected]"}]
 license = {text = "Apache-2.0"}
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 dependencies = [
     "adbc-driver-manager",

python/adbc_driver_flightsql/pyproject.toml

@@ -21,7 +21,7 @@ description = "An ADBC driver for working with Apache Arrow Flight SQL."
 authors = [{name = "Apache Arrow Developers", email = "[email protected]"}]
 license = {text = "Apache-2.0"}
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 dependencies = [
     "adbc-driver-manager",

python/adbc_driver_manager/pyproject.toml

@@ -21,7 +21,7 @@ description = "A generic entrypoint for ADBC drivers."
 authors = [{name = "Apache Arrow Developers", email = "[email protected]"}]
 license = {text = "Apache-2.0"}
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 dependencies = ["typing-extensions"]
 

python/adbc_driver_postgresql/pyproject.toml

@@ -21,7 +21,7 @@ description = "A libpq-based ADBC driver for working with PostgreSQL."
 authors = [{name = "Apache Arrow Developers", email = "[email protected]"}]
 license = {text = "Apache-2.0"}
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 dependencies = [
     "adbc-driver-manager",

python/adbc_driver_snowflake/pyproject.toml

@@ -21,7 +21,7 @@ description = "An ADBC driver for working with Snowflake."
 authors = [{name = "Apache Arrow Developers", email = "[email protected]"}]
 license = {text = "Apache-2.0"}
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 dependencies = [
     "adbc-driver-manager",

python/adbc_driver_sqlite/pyproject.toml

@@ -21,7 +21,7 @@ description = "An ADBC driver for working with SQLite."
 authors = [{name = "Apache Arrow Developers", email = "[email protected]"}]
 license = {text = "Apache-2.0"}
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 dependencies = [
     "adbc-driver-manager",