83 lines
2.1 KiB
Python
83 lines
2.1 KiB
Python
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#!/usr/bin/python3
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"""Vendor PyCA cryptography's Rust crates
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"""
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import argparse
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import glob
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import os
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import re
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import tarfile
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import tempfile
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import shutil
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import subprocess
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import sys
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VENDOR_DIR = "vendor"
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CARGO_TOML = "src/rust/Cargo.toml"
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RE_VERSION = re.compile("Version:\s*(.*)")
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parser = argparse.ArgumentParser(description="Vendor Rust packages")
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parser.add_argument(
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"--spec", default="python-cryptography.spec", help="cryptography source tar bundle"
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)
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def cargo(cmd, manifest):
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args = ["cargo", cmd, f"--manifest-path={manifest}"]
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return subprocess.check_call(
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args, stdout=subprocess.DEVNULL, stderr=sys.stderr, env={}
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)
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def main():
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args = parser.parse_args()
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spec = args.spec
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# change cwd to work in bundle directory
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here = os.path.dirname(os.path.abspath(spec))
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os.chdir(here)
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# extract version number from bundle name
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with open(spec) as f:
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for line in f:
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mo = RE_VERSION.search(line)
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if mo is not None:
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version = mo.group(1)
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break
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else:
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raise ValueError(f"Cannot find version in {spec}")
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bundle_file = f"cryptography-{version}.tar.gz"
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vendor_file = f"cryptography-{version}-vendor.tar.bz2"
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# remove existing vendor directory and file
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if os.path.isdir(VENDOR_DIR):
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shutil.rmtree(VENDOR_DIR)
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try:
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os.unlink(vendor_file)
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except FileNotFoundError:
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pass
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print(f"Getting crates for {bundle_file}", file=sys.stderr)
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# extract tar file in tempdir
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# fetch and vendor Rust crates
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with tempfile.TemporaryDirectory(dir=here) as tmp:
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with tarfile.open(bundle_file) as tar:
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tar.extractall(path=tmp)
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manifest = os.path.join(tmp, f"cryptography-{version}", CARGO_TOML)
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cargo("fetch", manifest)
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cargo("vendor", manifest)
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print("\nCreating tar ball...", file=sys.stderr)
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with tarfile.open(vendor_file, "x:bz2") as tar:
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tar.add(VENDOR_DIR)
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# remove vendor dir
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shutil.rmtree(VENDOR_DIR)
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parser.exit(0, f"Created {vendor_file}\n")
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if __name__ == "__main__":
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main()
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