dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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import dataclasses
import json
import pathlib
import subprocess
from openpilot.system.version import BUILD_METADATA_FILENAME, BuildMetadata
from openpilot.system.updated.casync import tar
CASYNC_ARGS = ["--with=symlinks", "--with=permissions", "--compression=xz", "--chunk-size=16M"]
CASYNC_FILES = [BUILD_METADATA_FILENAME]
def run(cmd):
return subprocess.check_output(cmd)
def get_exclude_set(path) -> set[str]:
exclude_set = set(CASYNC_FILES)
for file in path.rglob("*"):
if file.is_file() or file.is_symlink():
while file.resolve() != path.resolve():
exclude_set.add(str(file.relative_to(path)))
file = file.parent
return exclude_set
def create_build_metadata_file(path: pathlib.Path, build_metadata: BuildMetadata):
with open(path / BUILD_METADATA_FILENAME, "w") as f:
build_metadata_dict = dataclasses.asdict(build_metadata)
build_metadata_dict["openpilot"].pop("is_dirty") # this is determined at runtime
build_metadata_dict.pop("channel") # channel is unrelated to the build itself
f.write(json.dumps(build_metadata_dict))
def is_not_git(path: pathlib.Path) -> bool:
return ".git" not in path.parts
def create_casync_tar_package(target_dir: pathlib.Path, output_path: pathlib.Path):
tar.create_tar_archive(output_path, target_dir, is_not_git)
def create_casync_from_file(file: pathlib.Path, output_dir: pathlib.Path, caibx_name: str):
caibx_file = output_dir / f"{caibx_name}.caibx"
run(["casync", "make", *CASYNC_ARGS, caibx_file, str(file)])
return caibx_file
def create_casync_release(target_dir: pathlib.Path, output_dir: pathlib.Path, caibx_name: str):
tar_file = output_dir / f"{caibx_name}.tar"
create_casync_tar_package(target_dir, tar_file)
caibx_file = create_casync_from_file(tar_file, output_dir, caibx_name)
tar_file.unlink()
digest = run(["casync", "digest", *CASYNC_ARGS, target_dir]).decode("utf-8").strip()
return digest, caibx_file