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#!/usr/bin/env python
import json
import os
from pathlib import Path
event = os.environ.get("GITHUB_EVENT_NAME")
label = os.environ.get("GITHUB_LABEL_NAME")
inputs = os.environ.get("GITHUB_WORKFLOW_INPUT", "{}")
runner_mapping = {
"linux-64": "ubuntu-24.04",
"linux-aarch64": "ubuntu-24.04-arm",
"osx-arm64": "macos-14",
"win-64": "windows-2025",
}
default_include = [
# linux-64
{"runner": runner_mapping["linux-64"], "platform": "linux-64", "python-version": "3.10"},
{"runner": runner_mapping["linux-64"], "platform": "linux-64", "python-version": "3.11"},
{"runner": runner_mapping["linux-64"], "platform": "linux-64", "python-version": "3.12"},
{"runner": runner_mapping["linux-64"], "platform": "linux-64", "python-version": "3.13"},
{"runner": runner_mapping["linux-64"], "platform": "linux-64", "python-version": "3.14"},
# linux-aarch64
{"runner": runner_mapping["linux-aarch64"], "platform": "linux-aarch64", "python-version": "3.10"},
{"runner": runner_mapping["linux-aarch64"], "platform": "linux-aarch64", "python-version": "3.11"},
{"runner": runner_mapping["linux-aarch64"], "platform": "linux-aarch64", "python-version": "3.12"},
{"runner": runner_mapping["linux-aarch64"], "platform": "linux-aarch64", "python-version": "3.13"},
{"runner": runner_mapping["linux-aarch64"], "platform": "linux-aarch64", "python-version": "3.14"},
# osx-arm64
{"runner": runner_mapping["osx-arm64"], "platform": "osx-arm64", "python-version": "3.10"},
{"runner": runner_mapping["osx-arm64"], "platform": "osx-arm64", "python-version": "3.11"},
{"runner": runner_mapping["osx-arm64"], "platform": "osx-arm64", "python-version": "3.12"},
{"runner": runner_mapping["osx-arm64"], "platform": "osx-arm64", "python-version": "3.13"},
{"runner": runner_mapping["osx-arm64"], "platform": "osx-arm64", "python-version": "3.14"},
# win-64
{"runner": runner_mapping["win-64"], "platform": "win-64", "python-version": "3.10"},
{"runner": runner_mapping["win-64"], "platform": "win-64", "python-version": "3.11"},
{"runner": runner_mapping["win-64"], "platform": "win-64", "python-version": "3.12"},
{"runner": runner_mapping["win-64"], "platform": "win-64", "python-version": "3.13"},
{"runner": runner_mapping["win-64"], "platform": "win-64", "python-version": "3.14"},
]
print(
"Deciding what to do based on event: "
f"'{event}', label: '{label}', inputs: '{inputs}'"
)
if event in ("pull_request", "push"):
# This condition is entered on pull requests and pushes. The controlling
# workflow is expected to filter push events to only the `main` branch.
# See `on.push.branches` in `.github/workflows/llvmlite_conda_builder.yml`.
print(f"{event} detected, running full build matrix.")
include = default_include
elif event == "label" and label == "build_llvmlite_on_gha":
print("build label detected")
include = default_include
elif event == "workflow_dispatch":
print("workflow_dispatch detected")
params = json.loads(inputs)
platform = params.get("platform", "all")
# Start with the full matrix
filtered_matrix = default_include
# Filter by platform if a specific one is chosen
if platform != "all":
filtered_matrix = [
item for item in filtered_matrix if item["platform"] == platform
]
include = filtered_matrix
else:
# For any other events, produce an empty matrix.
include = []
matrix = {"include": include}
print(f"Emitting matrix:\n {json.dumps(matrix, indent=4)}")
Path(os.environ["GITHUB_OUTPUT"]).write_text(f"matrix={json.dumps(matrix)}")
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