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Copy pathrusty_v8_bazel.py
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411 lines (345 loc) · 12.6 KB
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#!/usr/bin/env python3
from __future__ import annotations
import argparse
import gzip
import hashlib
import re
import shutil
import subprocess
import sys
import tomllib
from pathlib import Path
from run_bazel_with_buildbuddy import bazel_command
from rusty_v8_module_bazel import (
RustyV8ChecksumError,
check_module_bazel,
rusty_v8_http_file_versions,
update_module_bazel,
)
ROOT = Path(__file__).resolve().parents[2]
MODULE_BAZEL = ROOT / "MODULE.bazel"
RUSTY_V8_CHECKSUMS_DIR = ROOT / "third_party" / "v8"
RELEASE_ARTIFACT_PROFILE = "release"
SANDBOX_ARTIFACT_PROFILE = "ptrcomp_sandbox_release"
ARTIFACT_BAZEL_CONFIGS = ["rusty-v8-upstream-libcxx"]
def bazel_execroot() -> Path:
output = subprocess.check_output(
bazel_command("info", "execution_root"),
cwd=ROOT,
text=True,
)
return Path(output.strip())
def bazel_output_base() -> Path:
output = subprocess.check_output(
bazel_command("info", "output_base"),
cwd=ROOT,
text=True,
)
return Path(output.strip())
def bazel_output_path(path: str) -> Path:
if path.startswith("external/"):
return bazel_output_base() / path
return bazel_execroot() / path
def bazel_output_files(
platform: str,
labels: list[str],
compilation_mode: str = "fastbuild",
bazel_configs: list[str] | None = None,
) -> list[Path]:
expression = "set(" + " ".join(labels) + ")"
bazel_configs = bazel_configs or []
output = subprocess.check_output(
bazel_command(
"cquery",
"-c",
compilation_mode,
f"--platforms=@llvm//platforms:{platform}",
*[f"--config={config}" for config in bazel_configs],
"--output=files",
expression,
),
cwd=ROOT,
text=True,
)
return [
bazel_output_path(line.strip()) for line in output.splitlines() if line.strip()
]
def bazel_build(
platform: str,
labels: list[str],
compilation_mode: str = "fastbuild",
bazel_configs: list[str] | None = None,
download_toplevel: bool = False,
) -> None:
bazel_configs = bazel_configs or []
download_args = ["--remote_download_toplevel"] if download_toplevel else []
subprocess.run(
bazel_command(
"build",
"-c",
compilation_mode,
f"--platforms=@llvm//platforms:{platform}",
*[f"--config={config}" for config in bazel_configs],
*download_args,
*labels,
),
cwd=ROOT,
check=True,
)
def ensure_bazel_output_files(
platform: str,
labels: list[str],
compilation_mode: str = "fastbuild",
bazel_configs: list[str] | None = None,
) -> list[Path]:
# Bazel output paths can be reused across config flips, so existence alone
# does not prove the files match the requested flags.
bazel_build(
platform,
labels,
compilation_mode,
bazel_configs,
download_toplevel=True,
)
outputs = bazel_output_files(platform, labels, compilation_mode, bazel_configs)
missing = [str(path) for path in outputs if not path.exists()]
if missing:
raise SystemExit(f"missing built outputs for {labels}: {missing}")
return outputs
def artifact_bazel_configs(bazel_configs: list[str] | None = None) -> list[str]:
configured = list(ARTIFACT_BAZEL_CONFIGS)
for config in bazel_configs or []:
if config not in configured:
configured.append(config)
return configured
def release_pair_label(target: str, sandbox: bool = False) -> str:
target_suffix = target.replace("-", "_")
pair_kind = "sandbox_release_pair" if sandbox else "release_pair"
return f"//third_party/v8:rusty_v8_{pair_kind}_{target_suffix}"
def resolved_v8_crate_version() -> str:
cargo_lock = tomllib.loads((ROOT / "codex-rs" / "Cargo.lock").read_text())
versions = sorted(
{
package["version"]
for package in cargo_lock["package"]
if package["name"] == "v8"
}
)
if len(versions) == 1:
return versions[0]
if len(versions) > 1:
raise SystemExit(f"expected exactly one resolved v8 version, found: {versions}")
module_bazel = (ROOT / "MODULE.bazel").read_text()
matches = sorted(
set(
re.findall(
r"https://static\.crates\.io/crates/v8/v8-([0-9]+\.[0-9]+\.[0-9]+)\.crate",
module_bazel,
)
)
)
if len(matches) != 1:
raise SystemExit(
"expected exactly one pinned v8 crate version in MODULE.bazel, "
f"found: {matches}"
)
return matches[0]
def rusty_v8_checksum_manifest_path(version: str) -> Path:
return RUSTY_V8_CHECKSUMS_DIR / f"rusty_v8_{version.replace('.', '_')}.sha256"
def command_version(version: str | None) -> str:
if version is not None:
return version
manifest_versions = rusty_v8_http_file_versions(MODULE_BAZEL.read_text())
if len(manifest_versions) == 1:
return manifest_versions[0]
if len(manifest_versions) > 1:
raise SystemExit(
"expected at most one rusty_v8 http_file version in MODULE.bazel, "
f"found: {manifest_versions}; pass --version explicitly"
)
return resolved_v8_crate_version()
def command_manifest_path(manifest: Path | None, version: str) -> Path:
if manifest is None:
return rusty_v8_checksum_manifest_path(version)
if manifest.is_absolute():
return manifest
return ROOT / manifest
def staged_archive_name(target: str, source_path: Path, artifact_profile: str) -> str:
if target.endswith("-pc-windows-msvc"):
return f"rusty_v8_{artifact_profile}_{target}.lib.gz"
return f"librusty_v8_{artifact_profile}_{target}.a.gz"
def staged_binding_name(target: str, artifact_profile: str) -> str:
return f"src_binding_{artifact_profile}_{target}.rs"
def staged_checksums_name(target: str, artifact_profile: str) -> str:
return f"rusty_v8_{artifact_profile}_{target}.sha256"
def stage_artifacts(
target: str,
lib_path: Path,
binding_path: Path,
output_dir: Path,
sandbox: bool,
) -> None:
missing_paths = [
str(path) for path in [lib_path, binding_path] if not path.exists()
]
if missing_paths:
raise SystemExit(f"missing release outputs for {target}: {missing_paths}")
output_dir.mkdir(parents=True, exist_ok=True)
artifact_profile = SANDBOX_ARTIFACT_PROFILE if sandbox else RELEASE_ARTIFACT_PROFILE
staged_library = output_dir / staged_archive_name(
target, lib_path, artifact_profile
)
staged_binding = output_dir / staged_binding_name(target, artifact_profile)
with lib_path.open("rb") as src, staged_library.open("wb") as dst:
with gzip.GzipFile(
filename="",
mode="wb",
fileobj=dst,
compresslevel=6,
mtime=0,
) as gz:
shutil.copyfileobj(src, gz)
shutil.copyfile(binding_path, staged_binding)
staged_checksums = output_dir / staged_checksums_name(target, artifact_profile)
with staged_checksums.open("w", encoding="utf-8", newline="\n") as checksums:
for path in [staged_library, staged_binding]:
digest = hashlib.sha256()
with path.open("rb") as artifact:
for chunk in iter(lambda: artifact.read(1024 * 1024), b""):
digest.update(chunk)
checksums.write(f"{digest.hexdigest()} {path.name}\n")
print(staged_library)
print(staged_binding)
print(staged_checksums)
def upstream_release_pair_paths(
target: str,
target_dir: Path,
) -> tuple[Path, Path]:
lib_name = (
"rusty_v8.lib" if target.endswith("-pc-windows-msvc") else "librusty_v8.a"
)
gn_out = target_dir / target / "release" / "gn_out"
return gn_out / "obj" / lib_name, gn_out / "src_binding.rs"
def stage_upstream_release_pair(
target: str,
output_dir: Path,
target_dir: Path,
sandbox: bool = False,
) -> None:
lib_path, binding_path = upstream_release_pair_paths(
target,
target_dir,
)
stage_artifacts(target, lib_path, binding_path, output_dir, sandbox)
def stage_release_pair(
platform: str,
target: str,
output_dir: Path,
compilation_mode: str = "fastbuild",
bazel_configs: list[str] | None = None,
sandbox: bool = False,
) -> None:
bazel_configs = artifact_bazel_configs(bazel_configs)
outputs = ensure_bazel_output_files(
platform,
[release_pair_label(target, sandbox)],
compilation_mode,
bazel_configs,
)
try:
lib_path = next(path for path in outputs if path.suffix in {".a", ".lib"})
except StopIteration as exc:
raise SystemExit(f"missing static library output for {target}") from exc
try:
binding_path = next(path for path in outputs if path.suffix == ".rs")
except StopIteration as exc:
raise SystemExit(f"missing Rust binding output for {target}") from exc
stage_artifacts(target, lib_path, binding_path, output_dir, sandbox)
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest="command", required=True)
stage_release_pair_parser = subparsers.add_parser("stage-release-pair")
stage_release_pair_parser.add_argument("--platform", required=True)
stage_release_pair_parser.add_argument("--target", required=True)
stage_release_pair_parser.add_argument("--output-dir", required=True)
stage_release_pair_parser.add_argument("--sandbox", action="store_true")
stage_release_pair_parser.add_argument(
"--bazel-config",
action="append",
default=[],
dest="bazel_configs",
)
stage_release_pair_parser.add_argument(
"--compilation-mode",
default="fastbuild",
choices=["fastbuild", "opt", "dbg"],
)
stage_upstream_release_pair_parser = subparsers.add_parser(
"stage-upstream-release-pair"
)
stage_upstream_release_pair_parser.add_argument(
"--target-dir", type=Path, required=True
)
stage_upstream_release_pair_parser.add_argument("--target", required=True)
stage_upstream_release_pair_parser.add_argument("--output-dir", required=True)
stage_upstream_release_pair_parser.add_argument("--sandbox", action="store_true")
subparsers.add_parser("resolved-v8-crate-version")
check_module_bazel_parser = subparsers.add_parser("check-module-bazel")
check_module_bazel_parser.add_argument("--version")
check_module_bazel_parser.add_argument("--manifest", type=Path)
check_module_bazel_parser.add_argument(
"--module-bazel",
type=Path,
default=MODULE_BAZEL,
)
update_module_bazel_parser = subparsers.add_parser("update-module-bazel")
update_module_bazel_parser.add_argument("--version")
update_module_bazel_parser.add_argument("--manifest", type=Path)
update_module_bazel_parser.add_argument(
"--module-bazel",
type=Path,
default=MODULE_BAZEL,
)
return parser.parse_args()
def main() -> int:
args = parse_args()
if args.command == "stage-release-pair":
stage_release_pair(
platform=args.platform,
target=args.target,
output_dir=Path(args.output_dir),
compilation_mode=args.compilation_mode,
bazel_configs=args.bazel_configs,
sandbox=args.sandbox,
)
return 0
if args.command == "stage-upstream-release-pair":
stage_upstream_release_pair(
target=args.target,
output_dir=Path(args.output_dir),
target_dir=args.target_dir,
sandbox=args.sandbox,
)
return 0
if args.command == "resolved-v8-crate-version":
print(resolved_v8_crate_version())
return 0
if args.command == "check-module-bazel":
version = command_version(args.version)
manifest_path = command_manifest_path(args.manifest, version)
try:
check_module_bazel(args.module_bazel, manifest_path, version)
except RustyV8ChecksumError as exc:
raise SystemExit(str(exc)) from exc
return 0
if args.command == "update-module-bazel":
version = command_version(args.version)
manifest_path = command_manifest_path(args.manifest, version)
try:
update_module_bazel(args.module_bazel, manifest_path, version)
except RustyV8ChecksumError as exc:
raise SystemExit(str(exc)) from exc
return 0
raise SystemExit(f"unsupported command: {args.command}")
if __name__ == "__main__":
sys.exit(main())