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dmitriplotnikovdmitriplotnikov
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Internal change
PiperOrigin-RevId: 922850859
1 parent 76b61ae commit 74428a0

4 files changed

Lines changed: 189 additions & 5 deletions

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‎.bazelrc‎

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Original file line numberDiff line numberDiff line change
@@ -32,3 +32,7 @@ build:windows --google_default_credentials=true
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build:macos --remote_cache=https://storage.googleapis.com/macos-cel-python-remote-cache
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build:macos --google_default_credentials=true
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# Silence deprecation warnings from external dependencies (Linux and macOS)
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build:linux --cxxopt=-Wno-deprecated-declarations
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build:macos --cxxopt=-Wno-deprecated-declarations
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‎release/kokoro/release_linux.cfg‎

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@@ -3,3 +3,8 @@
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build_file: "cel-python/release/kokoro/release_linux.sh"
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timeout_mins: 120
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container_properties {
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docker_image: "us-central1-docker.pkg.dev/kokoro-container-bakery/kokoro/ubuntu/ubuntu2204/ktcb:current"
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docker_sibling_containers: true
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}

‎release/kokoro/release_linux.sh‎

Lines changed: 169 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,14 +1,77 @@
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#!/bin/bash
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set -e
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# Avoid virtualenv/pip trying to download/upgrade tools from PyPI on host
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export VIRTUALENV_NO_DOWNLOAD=1
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export PIP_DISABLE_PIP_VERSION_CHECK=1
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# Pass these environment variables to the cibuildwheel Docker container
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export CIBW_ENVIRONMENT="VIRTUALENV_NO_DOWNLOAD=1 PIP_DISABLE_PIP_VERSION_CHECK=1"
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export CIBW_DEPENDENCY_VERSIONS="latest"
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# If running locally (not on Kokoro), authenticate with gcloud.
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if [ -z "${KOKORO_BUILD_ID}" ]; then
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if ! gcloud auth application-default print-access-token --quiet > /dev/null; then
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gcloud auth application-default login
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fi
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fi
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pip install -U keyring keyrings.google-artifactregistry-auth twine cibuildwheel
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# We use --no-cache-dir to force pip to download packages fresh and bypass the local
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# cache. In Kokoro/RBE sandboxed environments, writing to the default cache directory
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# (~/.cache/pip) can encounter permission/sandbox restrictions or lead to stale
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# dependency resolution. Disabling the cache ensures a reliable, reproducible install.
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pip install --no-cache-dir -U keyring keyrings.google-artifactregistry-auth twine cibuildwheel
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# Patch cibuildwheel at runtime to bypass the RBE stdout buffering deadlock.
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# The RBE proxy buffers the persistent container bash stdout. By appending a 4KB
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# padding line to the end of every command output, we force the proxy to flush the
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# buffer immediately. We then read and discard this padding to keep the stream clean.
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OCI_PATH=$(python3 -c "import cibuildwheel.oci_container; print(cibuildwheel.oci_container.__file__)")
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echo "Patching cibuildwheel at $OCI_PATH..."
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cat << 'EOF' > patch_oci.py
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import sys
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import os
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path = sys.argv[1]
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with open(path, 'r') as f:
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content = f.read()
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# 1. Force a 4KB flush at the end of every command execution
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target_write = 'printf "%04d%s\\n" $? {end_of_message}'
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replacement_write = 'printf "%04d%s\\n%4096s\\n" $? {end_of_message} " "'
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if target_write not in content:
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print("Error: target_write not found!")
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sys.exit(1)
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content = content.replace(target_write, replacement_write)
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# 2. Read and discard the 4KB padding to keep the stream clean
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target_read = """ # add the last line to output, without the footer
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output_io.write(line[0:footer_offset])
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output_io.flush()
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break"""
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replacement_read = """ # add the last line to output, without the footer
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output_io.write(line[0:footer_offset])
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output_io.flush()
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# Read and discard the 4KB padding line to clear the stream!
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self.bash_stdout.readline()
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break"""
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if target_read not in content:
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print("Error: target_read not found!")
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sys.exit(1)
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content = content.replace(target_read, replacement_read)
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with open(path, 'w') as f:
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f.write(content)
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print("Successfully patched oci_container.py to bypass RBE buffering deadlock!")
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EOF
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python3 patch_oci.py "$OCI_PATH"
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rm patch_oci.py
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REPO_DIR=$(mktemp -d)
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echo "Created temporary directory: ${REPO_DIR}"
@@ -52,17 +115,121 @@ cp -r "${SRC_DIR}"/{*,.*} . 2>/dev/null || true
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cp -r "${SRC_DIR}"/release/* . 2>/dev/null || true
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rm -rf cel_expr_python/*_test.py
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echo "Downloading bazelisk on host..."
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curl -LO https://github.com/bazelbuild/bazelisk/releases/download/v1.19.0/bazelisk-linux-amd64
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chmod +x bazelisk-linux-amd64
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# Check if pyproject.toml exists before running sed
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if [ -f pyproject.toml ]; then
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sed -i "" "s/\$VERSION/${VERSION}/g" pyproject.toml || sed -i "s/\$VERSION/${VERSION}/g" pyproject.toml
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fi
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export CIBW_CONTAINER_ENGINE_EXTRA_ARGS="--network=host"
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echo "Running cibuildwheel: ${CIBWHEEL_BIN}"
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# Default CIBWHEEL_BIN if not set
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if [ -z "${CIBWHEEL_BIN}" ]; then
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CIBWHEEL_BIN="python3 -m cibuildwheel"
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fi
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${CIBWHEEL_BIN} --platform linux --output-dir dist
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echo "Installing diagnostic tools (psmisc, strace) on host..."
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# We try to install them, but don't fail the build if we can't (e.g. if no sudo or apt)
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sudo apt-get update && sudo apt-get install -y psmisc strace || echo "Failed to install diagnostic tools, proceeding anyway..."
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echo "Running cibuildwheel in background..."
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${CIBWHEEL_BIN} --platform linux --output-dir dist > cibuildwheel.log 2>&1 &
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CIBW_PID=$!
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echo "Started cibuildwheel in background with PID $CIBW_PID"
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# Poll the log file waiting for the hang
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# We look for the "mkdir -p" line followed by no activity for 60 seconds.
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TIMEOUT=900 # 15 minutes total timeout
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ELAPSED=0
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LAST_SIZE=0
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STUCK_COUNT=0
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HANG_DETECTED=false
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while kill -0 $CIBW_PID 2>/dev/null; do
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if [ -f cibuildwheel.log ]; then
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# Check if the log contains the test setup line
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if grep -q "mkdir -p" cibuildwheel.log; then
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CURRENT_SIZE=$(stat -c%s cibuildwheel.log)
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if [ "$CURRENT_SIZE" -eq "$LAST_SIZE" ]; then
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# Log size hasn't changed. If this persists for 60 seconds, we assume it is stuck.
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STUCK_COUNT=$((STUCK_COUNT + 10))
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echo "Log size unchanged for ${STUCK_COUNT}s at mkdir -p..."
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if [ $STUCK_COUNT -ge 60 ]; then
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HANG_DETECTED=true
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break
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fi
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else
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STUCK_COUNT=0
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LAST_SIZE=$CURRENT_SIZE
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fi
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fi
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fi
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sleep 10
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ELAPSED=$((ELAPSED + 10))
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if [ $ELAPSED -ge $TIMEOUT ]; then
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echo "Timeout waiting for build to complete."
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break
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fi
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done
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if [ "$HANG_DETECTED" = "true" ]; then
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echo "===================================================="
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echo "!!! DETECTED HANG AT mkdir -p !!! STARTING DIAGNOSTICS"
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echo "===================================================="
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echo "=== HOST PROCESSES ==="
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ps aux
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echo "=== PROCESS TREE ==="
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pstree -p -a || echo "pstree not available"
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echo "=== DOCKER CONTAINERS ==="
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docker ps -a
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CONTAINER_ID=$(docker ps -q | head -n 1)
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if [ -n "$CONTAINER_ID" ]; then
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echo "=== CONTAINER PROCESSES ($CONTAINER_ID) ==="
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docker exec "$CONTAINER_ID" ps aux
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echo "=== CONTAINER LSOF ==="
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docker exec "$CONTAINER_ID" lsof || echo "lsof not available"
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echo "=== CONTAINER DOCKER INSPECT ==="
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docker inspect "$CONTAINER_ID"
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echo "=== STRACE DOCKER PROCESSES ==="
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DOCKER_PID=$(pgrep -f "docker start|docker exec" | head -n 1)
208+
if [ -n "$DOCKER_PID" ]; then
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echo "Stracing host docker process $DOCKER_PID for 15 seconds..."
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timeout 15 strace -p "$DOCKER_PID" -f || true
211+
fi
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else
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echo "No active docker container found!"
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fi
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echo "=== LAST 100 LINES OF CIBUILDWHEEL LOG ==="
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tail -n 100 cibuildwheel.log
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echo "Diagnostics complete. Killing cibuildwheel."
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kill -9 $CIBW_PID
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exit 99
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fi
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# If it didn't hang, wait for it to finish and print the log
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wait $CIBW_PID
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RC=$?
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echo "=== CIBUILDWHEEL LOG ==="
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cat cibuildwheel.log
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if [ $RC -ne 0 ]; then
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echo "cibuildwheel failed with exit code $RC"
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exit $RC
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fi
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if [ "${DRY_RUN}" = "true" ]; then
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echo "[DRY RUN] Skipping upload to PyPI exit gate."

‎release/pyproject.toml‎

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Original file line numberDiff line numberDiff line change
@@ -38,13 +38,21 @@ where = ["."]
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exclude = ["codelab*", "conformance*", "custom_ext*", "release*", "testing*", "wheelhouse*"]
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[tool.cibuildwheel]
41-
build = "cp311-* cp312-* cp313-* cp314-*"
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skip = "*musllinux* *win32*"
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build = "cp311-*"
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#build = "cp311-* cp312-* cp313-* cp314-*"
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skip = "*musllinux* *win32* *i686*"
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test-command = "python {project}/cel_basic_test.py"
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build-verbosity = 1
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4647
[tool.cibuildwheel.linux]
47-
before-all = "echo 'Installing bazelisk'; curl -LO https://github.com/bazelbuild/bazelisk/releases/download/v1.19.0/bazelisk-linux-amd64 && chmod +x bazelisk-linux-amd64 && mv bazelisk-linux-amd64 /usr/local/bin/bazel"
48+
manylinux-x86_64-image = "manylinux_2_28"
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container-engine = "docker; disable_host_mount: True"
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# Google's internal Kokoro/RBE network uses a secure MITM proxy that resigns HTTPS
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# traffic with an internal Google CA. Since the public manylinux container does not
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# trust this CA, git fetches for external dependencies (like @cel-cpp) will fail
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# with SSL certificate errors. We disable http.sslVerify inside the container to
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# bypass this and allow Bazel to fetch SCM dependencies through the proxy.
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before-all = "git config --global http.sslVerify false && echo 'Installing bazelisk' && cp {project}/bazelisk-linux-amd64 /usr/local/bin/bazel"
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[tool.cibuildwheel.macos]
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before-all = "echo 'Installing bazelisk'; brew install bazelisk"

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