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fix(build): stage platform-specific PTY artifacts

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This commit is contained in:
Tianyi Cui
2026-07-29 22:44:19 +08:00
parent 7fdde06cf9
commit c0bd88430a
14 changed files with 141 additions and 105 deletions
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scripts/build-python-release.py
+33 -31
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@@ -27,26 +27,18 @@ EXECUTABLE_TARGETS = {value[1]: key for key, value in PLATFORMS.items()}
def spawn_helper_binary_target(header: bytes) -> str | None:
if (
len(header) >= 20
and header[:4] == b"\x7fELF"
and header[4] == 2
and header[5] == 1
):
machine = int.from_bytes(header[18:20], "little")
if machine == 62:
return "linux-x64"
if machine == 183:
return "linux-arm64"
if len(header) >= 8 and header[:4] == b"\xcf\xfa\xed\xfe":
if int.from_bytes(header[4:8], "little") == 0x0100000C:
cpu_type = int.from_bytes(header[4:8], "little")
if cpu_type == 0x01000007:
return "macos-x64"
if cpu_type == 0x0100000C:
return "macos-arm64"
return None
def validate_spawn_helper(path: Path, expected_target: str) -> None:
with path.open("rb") as helper:
actual_target = spawn_helper_binary_target(helper.read(20))
actual_target = spawn_helper_binary_target(helper.read(8))
if actual_target != expected_target:
raise ValueError(
f"runtime spawn helper binary mismatch: expected {expected_target}, "
@@ -166,12 +158,14 @@ def stage_runtime(destination: Path, version: str, executable: Path, executable_
raise FileNotFoundError(f"runtime executable does not exist: {executable}")
if executable.stat().st_mode & stat.S_IXUSR == 0:
raise PermissionError(f"runtime executable is not executable: {executable}")
expected_target = EXECUTABLE_TARGETS[executable_name]
spawn_helper = Path(f"{executable}{SPAWN_HELPER_SUFFIX}")
if not spawn_helper.is_file():
raise FileNotFoundError(f"runtime spawn helper does not exist: {spawn_helper}")
if spawn_helper.stat().st_mode & stat.S_IXUSR == 0:
raise PermissionError(f"runtime spawn helper is not executable: {spawn_helper}")
validate_spawn_helper(spawn_helper, EXECUTABLE_TARGETS[executable_name])
if expected_target.startswith("macos-"):
if not spawn_helper.is_file():
raise FileNotFoundError(f"runtime spawn helper does not exist: {spawn_helper}")
if spawn_helper.stat().st_mode & stat.S_IXUSR == 0:
raise PermissionError(f"runtime spawn helper is not executable: {spawn_helper}")
validate_spawn_helper(spawn_helper, expected_target)
copy_package(ROOT / "python" / "sdk-runtime", destination)
rewrite_version(destination / "pyproject.toml", version)
runtime_dir = destination / "src" / "deepseek_harness_runtime" / "runtime"
@@ -179,9 +173,10 @@ def stage_runtime(destination: Path, version: str, executable: Path, executable_
destination_executable = runtime_dir / executable_name
shutil.copyfile(executable, destination_executable)
destination_executable.chmod(executable.stat().st_mode & 0o777)
destination_helper = runtime_dir / f"{executable_name}{SPAWN_HELPER_SUFFIX}"
shutil.copyfile(spawn_helper, destination_helper)
destination_helper.chmod(spawn_helper.stat().st_mode & 0o777)
if expected_target.startswith("macos-"):
destination_helper = runtime_dir / f"{executable_name}{SPAWN_HELPER_SUFFIX}"
shutil.copyfile(spawn_helper, destination_helper)
destination_helper.chmod(spawn_helper.stat().st_mode & 0o777)
def verify_wheel(
@@ -209,20 +204,27 @@ def verify_wheel(
assert platform is not None
if len(executables) != 1 or not executables[0].endswith(f"/runtime/{platform[1]}"):
raise RuntimeError(f"{wheel} must contain exactly {platform[1]}, found {executables}")
expected_target = EXECUTABLE_TARGETS[platform[1]]
expected_helper = f"{platform[1]}{SPAWN_HELPER_SUFFIX}"
if len(helpers) != 1 or not helpers[0].endswith(f"/runtime/{expected_helper}"):
raise RuntimeError(f"{wheel} must contain exactly {expected_helper}, found {helpers}")
for executable in [executables[0], helpers[0]]:
expected_helpers = [expected_helper] if expected_target.startswith("macos-") else []
found_helpers = [Path(helper).name for helper in helpers]
if found_helpers != expected_helpers:
expected = ", ".join(expected_helpers) or "none"
found = ", ".join(found_helpers) or "none"
raise RuntimeError(
f"{wheel} runtime helper payload mismatch: expected {expected}; found {found}"
)
for executable in [executables[0], *helpers]:
mode = archive.getinfo(executable).external_attr >> 16
if mode & stat.S_IXUSR == 0:
raise RuntimeError(f"{wheel} runtime executable lost its executable bit: {executable}")
actual_target = spawn_helper_binary_target(archive.read(helpers[0])[:20])
expected_target = EXECUTABLE_TARGETS[platform[1]]
if actual_target != expected_target:
raise RuntimeError(
f"{wheel} spawn helper binary mismatch: expected {expected_target}, "
f"found {actual_target or 'unsupported format or architecture'}"
)
if helpers:
actual_target = spawn_helper_binary_target(archive.read(helpers[0])[:8])
if actual_target != expected_target:
raise RuntimeError(
f"{wheel} spawn helper binary mismatch: expected {expected_target}, "
f"found {actual_target or 'unsupported format or architecture'}"
)
elif runtime_files:
raise RuntimeError(f"SDK wheel unexpectedly contains runtime executables: {runtime_files}")
if package == "sdk":