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#!/usr/bin/env python3
import dataclasses
import os
import re
import subprocess
from pathlib import Path
from typing import Iterable, TextIO
# This script can run from any location,
# output is created in the $CWD
#
# NOTE: while the Python part of this script is portable,
# it relies on external commands typically found on GNU/Linux.
# Support for other platforms could be added by moving GNU `tar` & `md5sum` use to Python.
SKIP_NAMES = {
".gitignore",
".gitmodules",
".arcconfig",
}
def main() -> None:
output_dir = Path(".").absolute()
blender_srcdir = Path(__file__).absolute().parent.parent.parent
print(f"Source dir: {blender_srcdir}")
version = parse_blender_version(blender_srcdir)
manifest = output_dir / f"blender-{version}-manifest.txt"
tarball = output_dir / f"blender-{version}.tar.xz"
os.chdir(blender_srcdir)
create_manifest(version, manifest)
create_tarball(version, tarball, manifest)
create_checksum_file(tarball)
cleanup(manifest)
print("Done!")
@dataclasses.dataclass
class BlenderVersion:
version: int # 293 for 2.93.1
patch: int # 1 for 2.93.1
cycle: str # 'alpha', 'beta', 'release', maybe others.
@property
def is_release(self) -> bool:
return self.cycle == "release"
def __str__(self) -> str:
"""Convert to version string.
>>> str(BlenderVersion(293, 1, "alpha"))
'2.93.1-alpha'
>>> str(BlenderVersion(327, 0, "release"))
'3.27.0'
"""
version_major = self.version // 100
version_minor = self.version % 100
as_string = f"{version_major}.{version_minor}.{self.patch}"
if self.is_release:
return as_string
return f"{as_string}-{self.cycle}"
def parse_blender_version(blender_srcdir: Path) -> BlenderVersion:
version_path = blender_srcdir / "source/blender/blenkernel/BKE_blender_version.h"
version_info = {}
line_re = re.compile(r"^#define (BLENDER_VERSION[A-Z_]*)\s+([0-9a-z]+)$")
with version_path.open(encoding="utf-8") as version_file:
for line in version_file:
match = line_re.match(line.strip())
if not match:
continue
version_info[match.group(1)] = match.group(2)
return BlenderVersion(
int(version_info["BLENDER_VERSION"]),
int(version_info["BLENDER_VERSION_PATCH"]),
version_info["BLENDER_VERSION_CYCLE"],
)
### Manifest creation
def create_manifest(version: BlenderVersion, outpath: Path) -> None:
print(f'Building manifest of files: "{outpath}"...', end="", flush=True)
with outpath.open("w", encoding="utf-8") as outfile:
main_files_to_manifest(outfile)
submodules_to_manifest(version, outfile)
print("OK")
def main_files_to_manifest(outfile: TextIO) -> None:
for path in git_ls_files():
print(path, file=outfile)
def submodules_to_manifest(version: BlenderVersion, outfile: TextIO) -> None:
skip_addon_contrib = version.is_release
for line in git_command("submodule"):
submodule = line.split()[1]
# Don't use native slashes as GIT for MS-Windows outputs forward slashes.
if skip_addon_contrib and submodule == "release/scripts/addons_contrib":
continue
for path in git_ls_files(Path(submodule)):
print(path, file=outfile)
def create_tarball(version: BlenderVersion, tarball: Path, manifest: Path) -> None:
print(f'Creating archive: "{tarball}" ...', end="", flush=True)
# Requires GNU `tar`, since `--transform` is used.
command = [
"tar",
"--transform",
f"s,^,blender-{version}/,g",
"--use-compress-program=xz -9",
"--create",
f"--file={tarball}",
f"--files-from={manifest}",
# Without owner/group args, extracting the files as root will
# use ownership from the tar archive:
"--owner=0",
"--group=0",
]
subprocess.run(command, check=True, timeout=300)
print("OK")
def create_checksum_file(tarball: Path) -> None:
md5_path = tarball.with_name(tarball.name + ".md5sum")
print(f'Creating checksum: "{md5_path}" ...', end="", flush=True)
command = [
"md5sum",
# The name is enough, as the tarball resides in the same dir as the MD5
# file, and that's the current working directory.
tarball.name,
]
md5_cmd = subprocess.run(
command, stdout=subprocess.PIPE, check=True, text=True, timeout=300
)
with md5_path.open("w", encoding="utf-8") as outfile:
outfile.write(md5_cmd.stdout)
print("OK")
def cleanup(manifest: Path) -> None:
print("Cleaning up ...", end="", flush=True)
if manifest.exists():
manifest.unlink()
print("OK")
## Low-level commands
def git_ls_files(directory: Path = Path(".")) -> Iterable[Path]:
"""Generator, yields lines of output from 'git ls-files'.
Only lines that are actually files (so no directories, sockets, etc.) are
returned, and never one from SKIP_NAMES.
"""
for line in git_command("-C", str(directory), "ls-files"):
path = directory / line
if not path.is_file() or path.name in SKIP_NAMES:
continue
yield path
def git_command(*cli_args) -> Iterable[str]:
"""Generator, yields lines of output from a Git command."""
command = ("git", *cli_args)
# import shlex
# print(">", " ".join(shlex.quote(arg) for arg in command))
git = subprocess.run(
command, stdout=subprocess.PIPE, check=True, text=True, timeout=30
)
for line in git.stdout.split("\n"):
if line:
yield line
if __name__ == "__main__":
import doctest
if doctest.testmod().failed:
raise SystemExit("ERROR: Self-test failed, refusing to run")
main()
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