wehub-resource-sync
81 lines
3.0 KiB
Python
81 lines
3.0 KiB
Python
"""
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Finds and copies the latest shaded JAR from the Java build to the Python package source.
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This script is intended to be run from the monorepo root, typically as part of a
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CI/CD pipeline, before the Python package is built.
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"""
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import argparse
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import logging
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import re
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import shutil
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import sys
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from pathlib import Path
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from typing import Optional
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# Requires 'packaging' library (pip install packaging)
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from packaging.version import parse as parse_version
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def find_latest_jar_by_semver(target_dir: Path) -> Optional[Path]:
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"""Finds the shaded JAR with the highest semantic version in its filename."""
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# Example filename: opendataloader-pdf-runtime-0.1.0.jar
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jar_pattern = "opendataloader-pdf-runtime-*.jar"
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version_regex = re.compile(r"opendataloader-pdf-runtime-(.+?)\.jar")
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latest_version = parse_version("0.0.0")
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latest_jar_path = None
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# Exclude Maven's 'original' JARs to ensure we get the shaded (fat) JAR.
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potential_jars = [p for p in target_dir.glob(jar_pattern) if 'original' not in p.name]
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if not potential_jars:
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return None
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# Iterate through potential JARs to find the one with the highest version number.
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for jar_path in potential_jars:
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match = version_regex.search(jar_path.name)
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if match:
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try:
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current_version = parse_version(match.group(1))
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if current_version > latest_version:
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latest_version = current_version
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latest_jar_path = jar_path
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except Exception:
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# Ignore files with non-parseable version strings.
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continue
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return latest_jar_path
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def main():
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"""Parse command-line arguments and orchestrate the copy process."""
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logging.basicConfig(level=logging.INFO, format='%(levelname)s: %(message)s', stream=sys.stdout)
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parser = argparse.ArgumentParser(description="Copies the latest shaded JAR to the Python source tree.")
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parser.add_argument("java_target_dir", type=Path, help="Path to the Java module's 'target' directory.")
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parser.add_argument("python_jars_dir", type=Path, help="Path to the Python package's destination directory for JARs.")
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args = parser.parse_args()
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java_target_path: Path = args.java_target_dir.resolve()
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python_jars_path: Path = args.python_jars_dir.resolve()
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if not java_target_path.is_dir():
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parser.error(f"Java target directory not found: {java_target_path}")
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# Ensure the destination directory exists.
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python_jars_path.mkdir(parents=True, exist_ok=True)
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source_jar_path = find_latest_jar_by_semver(java_target_path)
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if not source_jar_path:
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parser.error(f"No versioned shaded JAR found in: {java_target_path}")
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# Standardize the destination name for consistent access within the Python package.
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destination_jar_path = python_jars_path / 'runtime.jar'
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shutil.copy2(source_jar_path, destination_jar_path)
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logging.info(f"Copied '{source_jar_path.name}' to '{destination_jar_path}'")
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if __name__ == "__main__":
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main()
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