lxr/source/build.py

0001 #!/usr/bin/env python3
0002 # -*- coding: utf-8 -*-
0003
0004 #
0005 # Copyright (c) 2022 Huawei Device Co., Ltd.
0006 # Licensed under the Apache License, Version 2.0 (the "License");
0007 # you may not use this file except in compliance with the License.
0008 # You may obtain a copy of the License at
0009 #
0010 #     http://www.apache.org/licenses/LICENSE-2.0
0011 #
0012 # Unless required by applicable law or agreed to in writing, software
0013 # distributed under the License is distributed on an "AS IS" BASIS,
0014 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0015 # See the License for the specific language governing permissions and
0016 # limitations under the License.
0017 #
0018
0019 import os
0020 import sys
0021 import importlib
0022 import subprocess
0023
0024
0025 def search(findir: str, target: str) -> str or bool:
0026     for root, _, files in os.walk(findir):
0027         if target in files:
0028             return root
0029     return False
0030
0031
0032 def find_top() -> str:
0033     cur_dir = os.getcwd()
0034     while cur_dir != "/":
0035         build_config_file = os.path.join(
0036             cur_dir, 'build/config/BUILDCONFIG.gn')
0037         if os.path.exists(build_config_file):
0038             return cur_dir
0039         cur_dir = os.path.dirname(cur_dir)
0040
0041
0042 def get_python(python_relative_dir: str) -> str:
0043     topdir = find_top()
0044     if python_relative_dir is None:
0045         python_relative_dir = 'prebuilts/python'
0046     python_base_dir = os.path.join(topdir, python_relative_dir)
0047
0048     if os.path.exists(python_base_dir):
0049         python_dir = search(python_base_dir, 'python3')
0050         return os.path.join(python_dir, 'python3')
0051     else:
0052         print("please execute build/prebuilts_download.sh.",
0053             "if you used '--python-dir', check whether the input path is valid.")
0054         sys.exit()
0055
0056
0057 def check_output(cmd: str, **kwargs) -> str:
0058     process = subprocess.Popen(cmd,
0059                                stdout=subprocess.PIPE,
0060                                stderr=subprocess.STDOUT,
0061                                universal_newlines=True,
0062                                **kwargs)
0063     for line in iter(process.stdout.readline, ''):
0064         sys.stdout.write(line)
0065         sys.stdout.flush()
0066
0067     process.wait()
0068     ret_code = process.returncode
0069
0070     return ret_code
0071
0072
0073 def build(path: str, args_list: list) -> str:
0074     python_dir = None
0075     if "--python-dir" in args_list:
0076         index = args_list.index("--python-dir")
0077         if index < len(args_list) - 1:
0078             python_dir = args_list[index + 1]
0079             del args_list[index: index + 2]
0080         else:
0081             print("-python-dir parmeter missing value.")
0082             sys.exit()
0083     python_executable = get_python(python_dir)
0084     cmd = [python_executable, 'build/hb/main.py', 'build'] + args_list
0085     return check_output(cmd, cwd=path)
0086
0087
0088 def main():
0089     root_path = find_top()
0090     return build(root_path, sys.argv[1:])
0091
0092
0093 if __name__ == "__main__":
0094     sys.exit(main())