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hatch_build.py
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hatch_build.py
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# Copyright 2023 Yunseong Hwang
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
from __future__ import annotations
import re
import subprocess
import sys
from pathlib import Path
from typing import Any
from hatchling.builders.hooks.plugin.interface import BuildHookInterface
from packaging.requirements import Requirement
class CMakeBuildHook(BuildHookInterface):
PLUGIN_NAME = "cmake"
def check_command(self, cmd):
return subprocess.check_call(cmd, shell=False)
def clean(self, versions: list[str]) -> None:
builds = self.config.get("builds", [])
for build in builds:
runtime_output_dir = build.get("runtime-output-dir")
if not runtime_output_dir:
continue
runtime_output_dir = Path(runtime_output_dir)
runtime_output_dir = runtime_output_dir.absolute()
for filename in runtime_output_dir.iterdir():
if filename.suffix == ".exe":
filename.unlink()
def initialize(self, version: str, build_data: dict[str, Any]) -> None:
builds = self.config.get("builds", [])
for build in builds:
source_dir = Path(build.get("source-dir", "."))
build_dir = Path(build.get("build-dir", self.directory))
build_subdir = build.get("build-subdir")
if build_subdir:
build_dir /= build_subdir
generator = build.get("generator")
config = build.get("config")
system_processor = build.get("system-processor")
runtime_output_dir = build.get("runtime-output-dir")
library_output_dir = build.get("library-output-dir")
cmake_args = build.get("args", [])
build_parallel = build.get("build-parallel")
output_files = build.get("output-files")
marker = build.get("marker")
if marker:
marker = Requirement("dummy;" + marker).marker
if marker and not marker.evaluate():
continue
if output_files:
output_files = [Path(filename) for filename in output_files]
if output_files and all(filename.exists() for filename in output_files):
continue
cmake_configure_cmd = [
"cmake",
"-S",
str(source_dir),
"-B",
str(build_dir),
]
if generator:
cmake_configure_cmd += [
"-G",
generator,
]
if config:
cmake_configure_cmd += [
f"-DCMAKE_BUILD_TYPE:STRING={config}",
]
if system_processor:
cmake_configure_cmd += [
f"-DCMAKE_SYSTEM_PROCESSOR:STRING={system_processor}",
]
if runtime_output_dir:
runtime_output_dir = Path(runtime_output_dir)
runtime_output_dir = runtime_output_dir.absolute()
cmake_configure_cmd += [
f"-DCMAKE_RUNTIME_OUTPUT_DIRECTORY:PATH={runtime_output_dir}",
]
if config:
cmake_configure_cmd += [
f"-DCMAKE_RUNTIME_OUTPUT_DIRECTORY_{config.upper()}:PATH={runtime_output_dir}",
]
if library_output_dir:
library_output_dir = Path(library_output_dir)
library_output_dir = library_output_dir.absolute()
cmake_configure_cmd += [
f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY:PATH={library_output_dir}",
]
if config:
cmake_configure_cmd += [
f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{config.upper()}:PATH={library_output_dir}",
]
if cmake_args:
cmake_configure_cmd += cmake_args
self.check_command(cmake_configure_cmd)
cmake_build_cmd = [
"cmake",
"--build",
str(build_dir),
]
if config:
cmake_build_cmd += ["--config", config]
if build_parallel:
if isinstance(build_parallel, bool):
cmake_build_cmd += ["--parallel"]
elif isinstance(build_parallel, int):
cmake_build_cmd += [f"-j{build_parallel}"]
self.check_command(cmake_build_cmd)
def finalize(self, version: str, build_data: dict[str, Any], artifact_path: str) -> None:
pass
class ProtocBuildHook(BuildHookInterface):
PLUGIN_NAME = "protoc"
def check_command(self, cmd):
return subprocess.check_call(cmd)
def _fix_import_in_grpc_py(self, filename):
with open(filename, "r+", encoding="utf-8") as f:
data = f.read()
data = re.sub(
r"^((import)(\s+)([^\s\._]+)(_pb2)(\s+)(as))",
r"from . \1",
data,
flags=re.MULTILINE,
)
f.seek(0)
f.write(data)
def clean(self, versions: list[str]) -> None:
pass
def initialize(self, version: str, build_data: dict[str, Any]) -> None:
generates = self.config.get("generates", [])
for generate in generates:
sources = generate.get("sources", [])
include_dirs = generate.get("include-dirs", [])
outs = generate.get("outs", ["python", "pyi", "grpc_python"])
out_dir = generate.get("out-dir", ".")
protoc_args = [f"-I{i}" for i in include_dirs] + [f"--{out}_out={out_dir}" for out in outs] + sources
self.check_command([sys.executable, "-m", "grpc_tools.protoc", *protoc_args])
for source in sources:
source_path = Path(source)
grpc_py_filename = source_path.stem + "_pb2_grpc.py"
grpc_py_filename = Path(out_dir) / grpc_py_filename
if grpc_py_filename.exists():
self._fix_import_in_grpc_py(grpc_py_filename)
def finalize(self, version: str, build_data: dict[str, Any], artifact_path: str) -> None:
pass
class CustomBuildHook(BuildHookInterface):
PLUGIN_NAME = "custom"
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
if hasattr(self, "_hooks"):
msg = "Attribute alreay exists: _hooks"
raise RuntimeError(msg)
self._hooks: list[BuildHookInterface] = [
ProtocBuildHook(*args, **kwargs),
CMakeBuildHook(*args, **kwargs),
]
def clean(self, versions: list[str]) -> None:
for hook in self._hooks:
hook.clean(versions)
def initialize(self, version: str, build_data: dict[str, Any]) -> None:
for hook in self._hooks:
hook.initialize(version, build_data)
def finalize(self, version: str, build_data: dict[str, Any], artifact_path: str) -> None:
for hook in self._hooks:
hook.finalize(version, build_data, artifact_path)
def get_build_hook():
return CustomBuildHook