chore(crc32c): set up release scripts

.kokoro/release/crc32c/linux/common.cfg

@@ -0,0 +1,36 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Build logs will be here
+action {
+  define_artifacts {
+    regex: "**/*sponge_log.xml"
+  }
+}
+
+# Store built wheels for audit/SBOM/dry-run inspection
+action {
+  define_artifacts {
+    regex: "github/google-cloud-python/packages/google-crc32c/wheels/*.whl"
+    strip_prefix: "github/google-cloud-python/packages/google-crc32c"
+  }
+}
+
+# Fetch the token needed for reporting release status to GitHub
+before_action {
+  fetch_keystore {
+    keystore_resource {
+      keystore_config_id: 73713
+      keyname: "yoshi-automation-github-key"
+    }
+  }
+}
+
+# Fetch PyPI password
+before_action {
+  fetch_keystore {
+    keystore_resource {
+      keystore_config_id: 73713
+      keyname: "google-cloud-pypi-token-keystore-3"
+    }
+  }
+}

.kokoro/release/crc32c/linux/linux_wheel.cfg

@@ -0,0 +1,8 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "PACKAGE"
+    value: "crc32c"
+}
+
+build_file: "google-cloud-python/.kokoro/release/crc32c/release-manylinux-wheel.sh"

.kokoro/release/crc32c/osx/common.cfg

@@ -0,0 +1,36 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Build logs will be here
+action {
+  define_artifacts {
+    regex: "**/*sponge_log.xml"
+  }
+}
+
+# Store built wheels for audit/SBOM/dry-run inspection
+action {
+  define_artifacts {
+    regex: "github/google-cloud-python/packages/google-crc32c/wheels/*.whl"
+    strip_prefix: "github/google-cloud-python/packages/google-crc32c"
+  }
+}
+
+# Fetch the token needed for reporting release status to GitHub
+before_action {
+  fetch_keystore {
+    keystore_resource {
+      keystore_config_id: 73713
+      keyname: "yoshi-automation-github-key"
+    }
+  }
+}
+
+# Fetch PyPI password
+before_action {
+  fetch_keystore {
+    keystore_resource {
+      keystore_config_id: 73713
+      keyname: "google-cloud-pypi-token-keystore-3"
+    }
+  }
+}

.kokoro/release/crc32c/osx/osx-slcn_wheel.cfg

@@ -0,0 +1,8 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "PACKAGE"
+    value: "crc32c"
+}
+
+build_file: "google-cloud-python/.kokoro/release/crc32c/release-osx-wheel.sh"

.kokoro/release/crc32c/osx/osx_wheel.cfg

@@ -0,0 +1,8 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "PACKAGE"
+    value: "crc32c"
+}
+
+build_file: "google-cloud-python/.kokoro/release/crc32c/release-osx-wheel.sh"

.kokoro/release/crc32c/release-manylinux-wheel.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eo pipefail
+
+cd github/google-cloud-python/packages/google-crc32c
+
+export PUBLISH_WHEELS="${PUBLISH_WHEELS:-true}"
+
+# Build and publish ManyLinux wheels
+./scripts/manylinux/build.sh

.kokoro/release/crc32c/release-osx-wheel.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eo pipefail
+
+export REPO_ROOT=$(pwd)/github/google-cloud-python/packages/google-crc32c
+cd "${REPO_ROOT}"
+
+export PUBLISH_WHEELS="${PUBLISH_WHEELS:-true}"
+
+# Build and publish OSX wheels
+./scripts/osx/build.sh

.kokoro/release/crc32c/release-windows-wheel.bat

@@ -0,0 +1,54 @@
+@rem Copyright 2019 Google LLC. All rights reserved.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem     http://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+
+@echo "Starting Windows release"
+
+cd /d %~dp0..\..\..\packages\google-crc32c || goto :error
+
+if "%PUBLISH_WHEELS%"=="" set PUBLISH_WHEELS=true
+
+@echo "Build and Test Wheels"
+call scripts\windows\build.bat || goto :error
+
+@echo "Ensure that we have the latest versions of Twine, Wheel, Setuptools, and pkginfo."
+call py -3 -m pip install --upgrade twine wheel setuptools pkginfo || goto :error
+
+@echo "Build the source distribution (sdist) and validate with twine check"
+call py -3 setup.py sdist || goto :error
+call py -3 -m twine check dist/* wheels/google_crc32c* || goto :error
+
+if "%PUBLISH_WHEELS%"=="true" (
+    @echo "Start the releasetool reporter"
+    call py -3 -m pip install gcp-releasetool || goto :error
+    if not exist C:\temp mkdir C:\temp
+    call py -3 -m releasetool publish-reporter-script > C:\temp\publisher-script || goto :error
+
+    @echo "Disable buffering, so that the logs stream through."
+    set PYTHONUNBUFFERED=1
+
+    @echo "## RELEASE WORKFLOW SUCCESSFUL ##"
+    @echo "## Uploading Wheels and sdist ##"
+
+    set /p TWINE_PASSWORD=<%KOKORO_KEYSTORE_DIR%/73713_google-cloud-pypi-token-keystore-3
+    call py -3 -m twine upload --skip-existing --username __token__ --password "%TWINE_PASSWORD%" dist/* wheels/google_crc32c* || goto :error
+    dir wheels
+    dir dist
+) else (
+    @echo "PUBLISH_WHEELS is '%PUBLISH_WHEELS%'. Skipping PyPI upload after sdist and wheel validation."
+)
+
+goto :EOF
+
+:error
+exit /b 1

.kokoro/release/crc32c/windows/common.cfg

@@ -0,0 +1,42 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Build logs will be here
+action {
+  define_artifacts {
+    regex: "**/*sponge_log.xml"
+  }
+}
+
+# Store built wheels and sdist for audit/SBOM/dry-run inspection
+action {
+  define_artifacts {
+    regex: "github/google-cloud-python/packages/google-crc32c/wheels/*.whl"
+    strip_prefix: "github/google-cloud-python/packages/google-crc32c"
+  }
+}
+action {
+  define_artifacts {
+    regex: "github/google-cloud-python/packages/google-crc32c/dist/*.tar.gz"
+    strip_prefix: "github/google-cloud-python/packages/google-crc32c"
+  }
+}
+
+# Fetch the token needed for reporting release status to GitHub
+before_action {
+  fetch_keystore {
+    keystore_resource {
+      keystore_config_id: 73713
+      keyname: "yoshi-automation-github-key"
+    }
+  }
+}
+
+# Fetch PyPI password
+before_action {
+  fetch_keystore {
+    keystore_resource {
+      keystore_config_id: 73713
+      keyname: "google-cloud-pypi-token-keystore-3"
+    }
+  }
+}

.kokoro/release/crc32c/windows/windows_wheel.cfg

@@ -0,0 +1,8 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "PACKAGE"
+    value: "crc32c"
+}
+
+build_file: "google-cloud-python/.kokoro/release/crc32c/release-windows-wheel.bat"

librarian.yaml

@@ -2305,6 +2305,7 @@ libraries:
       default_version: v1
   - name: google-crc32c
     version: 1.8.0
+    skip_release: true
     python:
       library_type: OTHER
   - name: google-developer-knowledge

packages/google-crc32c/scripts/manylinux/build.sh

@@ -39,6 +39,7 @@ docker run \
     --interactive \
     --volume ${REPO_ROOT}:/var/code/python-crc32c/ \
     --env BUILD_PYTHON=${BUILD_PYTHON} \
+    --env CRC32C_PURE_PYTHON=0 \
     quay.io/pypa/manylinux2014_x86_64 \
     /var/code/python-crc32c/scripts/manylinux/build_on_centos.sh
 
@@ -49,9 +50,8 @@ docker run \
     --interactive \
     --volume ${REPO_ROOT}:/var/code/python-crc32c/ \
     --env BUILD_PYTHON=${BUILD_PYTHON} \
+    --env CRC32C_PURE_PYTHON=0 \
     quay.io/pypa/manylinux2014_aarch64 \
     /var/code/python-crc32c/scripts/manylinux/build_on_centos.sh
 
-if [[ "${PUBLISH_WHEELS}" == "true" ]]; then
-    . /${MANYLINUX_DIR}/publish_python_wheel.sh
-fi
+. /${MANYLINUX_DIR}/publish_python_wheel.sh

packages/google-crc32c/scripts/manylinux/build_on_centos.sh

@@ -14,7 +14,8 @@
 # limitations under the License.
 
 set -e -x
-MAIN_PYTHON_BIN="/opt/python/cp39-cp39/bin/"
+export CRC32C_PURE_PYTHON=0
+MAIN_PYTHON_BIN="/opt/python/cp312-cp312/bin"
 echo "BUILD_PYTHON: ${BUILD_PYTHON}"
 REPO_ROOT=/var/code/python-crc32c/
 
@@ -45,36 +46,26 @@ make all install
 
 PYTHON_VERSIONS=""
 if [[ -z ${BUILD_PYTHON} ]]; then
-    # Collect all target Python versions.
-    for PYTHON_BIN in /opt/python/*/bin; do
-        # H/T: https://stackoverflow.com/a/229606/1068170
-        if [[ "${PYTHON_BIN}" == *"310"* ]]; then
+    for VER in $(awk -F': ' '/^versions:/ {print $2}' "${REPO_ROOT}/scripts/python_versions.yaml"); do
+        SHORT=$(echo "$VER" | cut -d. -f1,2)
+        ABI="cp${SHORT//.}-cp${SHORT//.}"
+        PYTHON_BIN="/opt/python/${ABI}/bin"
+        if [[ -d "${PYTHON_BIN}" ]]; then
             PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
-            continue
-        elif [[ "${PYTHON_BIN}" == *"311"* ]]; then
-            PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
-            continue
-        elif [[ "${PYTHON_BIN}" == *"312"* ]]; then
-            PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
-            continue
-        elif [[ "${PYTHON_BIN}" == *"313"* && "${PYTHON_BIN}" != *"313t"* ]]; then
-            PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
-            continue
-        elif [[ "${PYTHON_BIN}" == *"314"* && "${PYTHON_BIN}" != *"314t"* ]]; then
-            PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
-            continue
         else
-            echo "Ignoring unsupported version: ${PYTHON_BIN}"
-            echo "====================================="
+            echo "ERROR: Required Python version ${VER} (${PYTHON_BIN}) not found in container."
+            exit 1
         fi
     done
 else
     STRIPPED_PYTHON=$(echo ${BUILD_PYTHON} | sed -e "s/\.//g" | sed -e "s/-dev$//")
-    for PYTHON_BIN in /opt/python/*/bin; do
-        if [[ "${PYTHON_BIN}" == *"${STRIPPED_PYTHON}"* ]]; then
-            PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
-        fi
-    done
+    PYTHON_BIN="/opt/python/cp${STRIPPED_PYTHON}-cp${STRIPPED_PYTHON}/bin"
+    if [[ -d "${PYTHON_BIN}" ]]; then
+        PYTHON_VERSIONS="${PYTHON_BIN}"
+    else
+        echo "ERROR: Requested BUILD_PYTHON ${BUILD_PYTHON} (${PYTHON_BIN}) not found in container."
+        exit 1
+    fi
 fi
 
 # Build the wheels.
@@ -93,20 +84,21 @@ done
 
 # Install and test wheels
 for PYTHON_BIN in ${PYTHON_VERSIONS}; do
-    # Identify the short python version e.g. "39", "310"
-                    # Get the ABI tag from the Python binary's path, e.g., "cp310-cp310"
-                    ABI_TAG=$(basename $(dirname ${PYTHON_BIN}))
-                    ARCH=$(uname -m)
-                    # Create a virtual environment to install and test the wheel
-                    ${PYTHON_BIN}/python -m venv /tmp/venv
-                    
-                    # Find the correct wheel file using the precise ABI tag and architecture.
-                    WHEEL_FILE=$(ls ${REPO_ROOT}/wheels/google_crc32c-*-${ABI_TAG}-*manylinux*${ARCH}*.whl)    # Install the wheel
-    /tmp/venv/bin/pip install "${WHEEL_FILE}"
+    # Get the ABI tag from the Python binary's path, e.g., "cp310-cp310"
+    ABI_TAG=$(basename $(dirname ${PYTHON_BIN}))
+    ARCH=$(uname -m)
+    # Create a virtual environment to install and test the wheel
+    ${PYTHON_BIN}/python -m venv /tmp/venv
+
+    # Find the correct wheel file using the precise ABI tag and architecture.
+    WHEEL_FILE=$(ls ${REPO_ROOT}/wheels/google_crc32c-*-${ABI_TAG}-*manylinux*${ARCH}*.whl)
+    # Install the wheel and pytest
+    /tmp/venv/bin/pip install "${WHEEL_FILE}" pytest
 
     # Verify that the module is installed and peek at contents.
     /tmp/venv/bin/python ${REPO_ROOT}/scripts/check_crc32c_extension.py
-
+    /tmp/venv/bin/pytest ${REPO_ROOT}/tests --junitxml="${REPO_ROOT}/${ABI_TAG}_${ARCH}_sponge_log.xml"
+
     # Clean up the virtual environment
     rm -rf /tmp/venv
 done