| #!/usr/bin/env python3 |
| # |
| # Copyright (c) 2021 Project CHIP Authors |
| # |
| # 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. |
| # |
| |
| import argparse |
| import fcntl |
| import json |
| import os |
| import shutil |
| import subprocess |
| import sys |
| import tempfile |
| import traceback |
| import urllib.request |
| from dataclasses import dataclass |
| from pathlib import Path |
| from typing import Optional |
| |
| from zap_execution import ZapTool |
| |
| |
| @dataclass |
| class CmdLineArgs: |
| zapFile: str |
| zclFile: str |
| templateFile: str |
| outputDir: str |
| runBootstrap: bool |
| parallel: bool = True |
| prettify_output: bool = True |
| version_check: bool = True |
| lock_file: Optional[str] = None |
| delete_output_dir: bool = False |
| |
| |
| CHIP_ROOT_DIR = os.path.realpath( |
| os.path.join(os.path.dirname(__file__), '../../..')) |
| |
| |
| def checkPythonVersion(): |
| if sys.version_info[0] < 3: |
| print('Must use Python 3. Current version is ' + |
| str(sys.version_info[0])) |
| exit(1) |
| |
| |
| def checkFileExists(path): |
| if not os.path.isfile(path): |
| print('Error: ' + path + ' does not exists or is not a file.') |
| exit(1) |
| |
| |
| def checkDirExists(path): |
| if not os.path.isdir(path): |
| print('Error: ' + path + ' does not exists or is not a directory.') |
| exit(1) |
| |
| |
| def getFilePath(name, prefix_chip_root_dir=True): |
| if prefix_chip_root_dir: |
| fullpath = os.path.join(CHIP_ROOT_DIR, name) |
| else: |
| fullpath = name |
| checkFileExists(fullpath) |
| return fullpath |
| |
| |
| def getDirPath(name): |
| fullpath = os.path.join(CHIP_ROOT_DIR, name) |
| checkDirExists(fullpath) |
| return fullpath |
| |
| |
| def detectZclFile(zapFile): |
| print(f"Searching for zcl file from {zapFile}") |
| |
| prefix_chip_root_dir = True |
| path = 'src/app/zap-templates/zcl/zcl.json' |
| |
| data = json.load(open(zapFile)) |
| for package in data["package"]: |
| if package["type"] != "zcl-properties": |
| continue |
| |
| prefix_chip_root_dir = (package["pathRelativity"] != "resolveEnvVars") |
| # found the right path, try to figure out the actual path |
| if package["pathRelativity"] == "relativeToZap": |
| path = os.path.abspath(os.path.join( |
| os.path.dirname(zapFile), package["path"])) |
| elif package["pathRelativity"] == "resolveEnvVars": |
| path = os.path.expandvars(package["path"]) |
| else: |
| path = package["path"] |
| |
| return getFilePath(path, prefix_chip_root_dir) |
| |
| |
| def runArgumentsParser() -> CmdLineArgs: |
| # By default generate the idl file only. This will get moved from the |
| # output directory into the zap file directory automatically. |
| # |
| # All the rest of the files (app-templates.json) are generally built at |
| # compile time. |
| default_templates = 'src/app/zap-templates/matter-idl-server.json' |
| |
| parser = argparse.ArgumentParser( |
| description='Generate artifacts from .zapt templates') |
| parser.add_argument('zap', help='Path to the application .zap file') |
| parser.add_argument('-t', '--templates', default=default_templates, |
| help='Path to the .zapt templates records to use for generating artifacts (default: "' + default_templates + '")') |
| parser.add_argument('-z', '--zcl', |
| help='Path to the zcl templates records to use for generating artifacts (default: autodetect read from zap file)') |
| parser.add_argument('-o', '--output-dir', default=None, |
| help='Output directory for the generated files (default: a temporary directory in out)') |
| parser.add_argument('--run-bootstrap', default=None, action='store_true', |
| help='Automatically run ZAP bootstrap. By default the bootstrap is not triggered') |
| parser.add_argument('--parallel', action='store_true') |
| parser.add_argument('--no-parallel', action='store_false', dest='parallel') |
| parser.add_argument('--lock-file', help='serialize zap invocations by using the specified lock file.') |
| parser.add_argument('--prettify-output', action='store_true') |
| parser.add_argument('--no-prettify-output', |
| action='store_false', dest='prettify_output') |
| parser.add_argument('--version-check', action='store_true') |
| parser.add_argument('--no-version-check', |
| action='store_false', dest='version_check') |
| parser.add_argument('--keep-output-dir', action='store_true', |
| help='Keep any created output directory. Useful for temporary directories.') |
| parser.set_defaults(parallel=True) |
| parser.set_defaults(prettify_output=True) |
| parser.set_defaults(version_check=True) |
| parser.set_defaults(lock_file=None) |
| parser.set_defaults(keep_output_dir=False) |
| args = parser.parse_args() |
| |
| delete_output_dir = False |
| if args.output_dir: |
| output_dir = args.output_dir |
| elif args.templates == default_templates: |
| output_dir = tempfile.mkdtemp(prefix='zapgen') |
| delete_output_dir = not args.keep_output_dir |
| else: |
| output_dir = '' |
| |
| zap_file = getFilePath(args.zap) |
| |
| if args.zcl: |
| zcl_file = getFilePath(args.zcl) |
| else: |
| zcl_file = detectZclFile(zap_file) |
| |
| templates_file = getFilePath(args.templates) |
| output_dir = getDirPath(output_dir) |
| |
| return CmdLineArgs( |
| zap_file, zcl_file, templates_file, output_dir, args.run_bootstrap, |
| parallel=args.parallel, |
| prettify_output=args.prettify_output, |
| version_check=args.version_check, |
| lock_file=args.lock_file, |
| delete_output_dir=delete_output_dir, |
| ) |
| |
| |
| def extractGeneratedIdl(output_dir, zap_config_path): |
| """Find a file Clusters.matter in the output directory and |
| place it along with the input zap file. |
| |
| Intent is to make the "zap content" more humanly understandable. |
| """ |
| idl_path = os.path.join(output_dir, "Clusters.matter") |
| if not os.path.exists(idl_path): |
| return |
| |
| target_path = zap_config_path.replace(".zap", ".matter") |
| if not target_path.endswith(".matter"): |
| # We expect "something.zap" and don't handle corner cases of |
| # multiple extensions. This is to work with existing codebase only |
| raise Error("Unexpected input zap file %s" % self.zap_config) |
| |
| shutil.move(idl_path, target_path) |
| |
| |
| def runGeneration(cmdLineArgs): |
| zap_file = cmdLineArgs.zapFile |
| zcl_file = cmdLineArgs.zclFile |
| templates_file = cmdLineArgs.templateFile |
| output_dir = cmdLineArgs.outputDir |
| parallel = cmdLineArgs.parallel |
| |
| tool = ZapTool() |
| |
| if cmdLineArgs.version_check: |
| tool.version_check() |
| |
| args = ['-z', zcl_file, '-g', templates_file, |
| '-i', zap_file, '-o', output_dir] |
| |
| if parallel: |
| # Parallel-compatible runs will need separate state |
| args.append('--tempState') |
| |
| tool.run('generate', *args) |
| |
| extractGeneratedIdl(output_dir, zap_file) |
| |
| |
| def getClangFormatBinaryChoices(): |
| """ |
| Returns an ordered list of paths that may be suitable clang-format versions |
| """ |
| PW_CLANG_FORMAT_PATH = 'cipd/packages/pigweed/bin/clang-format' |
| |
| if 'PW_ENVIRONMENT_ROOT' in os.environ: |
| yield os.path.join(os.environ["PW_ENVIRONMENT_ROOT"], PW_CLANG_FORMAT_PATH) |
| |
| dot_name = os.path.join(CHIP_ROOT_DIR, '.environment', PW_CLANG_FORMAT_PATH) |
| if os.path.exists(dot_name): |
| yield dot_name |
| |
| os_name = shutil.which('clang-format') |
| if os_name: |
| yield os_name |
| |
| |
| def getClangFormatBinary(): |
| """Fetches the clang-format binary that is to be used for formatting. |
| |
| Tries to figure out where the pigweed-provided binary is (via cipd) |
| """ |
| for binary in getClangFormatBinaryChoices(): |
| # Running the binary with `--version` yields a string of the form: |
| # "Fuchsia clang-format version 17.0.0 (https://llvm.googlesource.com/llvm-project 6d667d4b261e81f325756fdfd5bb43b3b3d2451d)" |
| # |
| # the SHA at the end generally should match pigweed version |
| |
| try: |
| version_string = subprocess.check_output([binary, '--version']).decode('utf8') |
| |
| pigweed_config = json.load( |
| open(os.path.join(CHIP_ROOT_DIR, 'third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json'))) |
| clang_config = [p for p in pigweed_config['packages'] if p['path'].startswith('fuchsia/third_party/clang/')][0] |
| |
| # Tags should be like: |
| # ['git_revision:895b55537870cdaf6e4c304a09f4bf01954ccbd6'] |
| prefix, sha = clang_config['tags'][0].split(':') |
| |
| if sha not in version_string: |
| print('WARNING: clang-format may not be the right version:') |
| print(' PIGWEED TAG: %s' % clang_config['tags'][0]) |
| print(' ACTUAL VERSION: %s' % version_string) |
| except: |
| print("Failed to validate clang version.") |
| traceback.print_last() |
| |
| return binary |
| |
| raise Exception('Could not find a suitable clang-format') |
| |
| |
| def runClangPrettifier(templates_file, output_dir): |
| listOfSupportedFileExtensions = [ |
| '.js', '.h', '.c', '.hpp', '.cpp', '.m', '.mm'] |
| |
| try: |
| jsonData = json.loads(Path(templates_file).read_text()) |
| outputs = [(os.path.join(output_dir, template['output'])) |
| for template in jsonData['templates']] |
| clangOutputs = list(filter(lambda filepath: os.path.splitext( |
| filepath)[1] in listOfSupportedFileExtensions, outputs)) |
| |
| if len(clangOutputs) > 0: |
| # NOTE: clang-format differs output in time. We generally would be |
| # compatible only with pigweed provided clang-format (which is |
| # tracking non-released clang). |
| clang_format = getClangFormatBinary() |
| args = [clang_format, '-i'] |
| args.extend(clangOutputs) |
| subprocess.check_call(args) |
| err = None |
| print('Formatted using %s (%s)' % (clang_format, subprocess.check_output([clang_format, '--version']))) |
| for outputName in clangOutputs: |
| print(' - %s' % outputName) |
| except Exception as err: |
| print('clang-format error:', err) |
| |
| |
| class LockFileSerializer: |
| def __init__(self, path): |
| self.lock_file_path = path |
| self.lock_file = None |
| |
| def __enter__(self): |
| if not self.lock_file_path: |
| return |
| |
| self.lock_file = open(self.lock_file_path, 'wb') |
| fcntl.lockf(self.lock_file, fcntl.LOCK_EX) |
| |
| def __exit__(self, *args): |
| if not self.lock_file: |
| return |
| |
| fcntl.lockf(self.lock_file, fcntl.LOCK_UN) |
| self.lock_file.close() |
| self.lock_file = None |
| |
| |
| def main(): |
| checkPythonVersion() |
| cmdLineArgs = runArgumentsParser() |
| |
| with LockFileSerializer(cmdLineArgs.lock_file) as lock: |
| if cmdLineArgs.runBootstrap: |
| subprocess.check_call(getFilePath("scripts/tools/zap/zap_bootstrap.sh"), shell=True) |
| |
| # The maximum memory usage is over 4GB (#15620) |
| os.environ["NODE_OPTIONS"] = "--max-old-space-size=8192" |
| |
| # `zap-cli` may extract things into a temporary directory. ensure extraction |
| # does not conflict. |
| with tempfile.TemporaryDirectory(prefix='zap') as temp_dir: |
| old_temp = os.environ['TEMP'] if 'TEMP' in os.environ else None |
| os.environ['TEMP'] = temp_dir |
| |
| runGeneration(cmdLineArgs) |
| |
| if old_temp: |
| os.environ['TEMP'] = old_temp |
| else: |
| del os.environ['TEMP'] |
| |
| if cmdLineArgs.prettify_output: |
| prettifiers = [ |
| runClangPrettifier, |
| ] |
| |
| for prettifier in prettifiers: |
| prettifier(cmdLineArgs.templateFile, cmdLineArgs.outputDir) |
| |
| if cmdLineArgs.delete_output_dir: |
| shutil.rmtree(cmdLineArgs.outputDir) |
| else: |
| print("Files generated in: %s" % cmdLineArgs.outputDir) |
| |
| |
| if __name__ == '__main__': |
| main() |
