| #!/usr/bin/env python |
| |
| # Copyright 2020 The Pigweed 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 |
| # |
| # https://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. |
| """Environment setup script for Pigweed. |
| |
| This script installs everything and writes out a file for the user's shell |
| to source. |
| |
| For now, this is valid Python 2 and Python 3. Once we switch to running this |
| with PyOxidizer it can be upgraded to recent Python 3. |
| """ |
| |
| from __future__ import print_function |
| |
| import argparse |
| import copy |
| import glob |
| import inspect |
| import json |
| import os |
| import shutil |
| import subprocess |
| import sys |
| import time |
| |
| # TODO(pwbug/67): Remove import hacks once the oxidized prebuilt binaries are |
| # proven stable for first-time bootstrapping. For now, continue to support |
| # running directly from source without assuming a functioning Python |
| # environment when running for the first time. |
| |
| # If we're running oxidized, filesystem-centric import hacks won't work. In that |
| # case, jump straight to the imports and assume oxidation brought in the deps. |
| if not getattr(sys, 'oxidized', False): |
| old_sys_path = copy.deepcopy(sys.path) |
| filename = None |
| if hasattr(sys.modules[__name__], '__file__'): |
| filename = __file__ |
| else: |
| # Try introspection in environments where __file__ is not populated. |
| frame = inspect.currentframe() |
| if frame is not None: |
| filename = inspect.getfile(frame) |
| # If none of our strategies worked, we're in a strange runtime environment. |
| # The imports are almost certainly going to fail. |
| if filename is None: |
| raise RuntimeError( |
| 'Unable to locate pw_env_setup module; cannot continue.\n' |
| '\n' |
| 'Try updating to one of the standard Python implemetations:\n' |
| ' https://www.python.org/downloads/') |
| sys.path = [ |
| os.path.abspath(os.path.join(filename, os.path.pardir, os.path.pardir)) |
| ] |
| import pw_env_setup # pylint: disable=unused-import |
| sys.path = old_sys_path |
| |
| # pylint: disable=wrong-import-position |
| from pw_env_setup.cipd_setup import update as cipd_update |
| from pw_env_setup.cipd_setup import wrapper as cipd_wrapper |
| from pw_env_setup.colors import Color, enable_colors |
| from pw_env_setup import environment |
| from pw_env_setup import spinner |
| from pw_env_setup import virtualenv_setup |
| from pw_env_setup import windows_env_start |
| |
| |
| # TODO(pwbug/67, pwbug/68) switch to shutil.which(). |
| def _which(executable, |
| pathsep=os.pathsep, |
| use_pathext=None, |
| case_sensitive=None): |
| if use_pathext is None: |
| use_pathext = (os.name == 'nt') |
| if case_sensitive is None: |
| case_sensitive = (os.name != 'nt' and sys.platform != 'darwin') |
| |
| if not case_sensitive: |
| executable = executable.lower() |
| |
| exts = None |
| if use_pathext: |
| exts = frozenset(os.environ['PATHEXT'].split(pathsep)) |
| if not case_sensitive: |
| exts = frozenset(x.lower() for x in exts) |
| if not exts: |
| raise ValueError('empty PATHEXT') |
| |
| paths = os.environ['PATH'].split(pathsep) |
| for path in paths: |
| try: |
| entries = frozenset(os.listdir(path)) |
| if not case_sensitive: |
| entries = frozenset(x.lower() for x in entries) |
| except OSError: |
| continue |
| |
| if exts: |
| for ext in exts: |
| if executable + ext in entries: |
| return os.path.join(path, executable + ext) |
| else: |
| if executable in entries: |
| return os.path.join(path, executable) |
| |
| return None |
| |
| |
| class _Result: |
| class Status: |
| DONE = 'done' |
| SKIPPED = 'skipped' |
| FAILED = 'failed' |
| |
| def __init__(self, status, *messages): |
| self._status = status |
| self._messages = list(messages) |
| |
| def ok(self): |
| return self._status in {_Result.Status.DONE, _Result.Status.SKIPPED} |
| |
| def status_str(self, duration=None): |
| if not duration: |
| return self._status |
| |
| duration_parts = [] |
| if duration > 60: |
| minutes = int(duration // 60) |
| duration %= 60 |
| duration_parts.append('{}m'.format(minutes)) |
| duration_parts.append('{:.1f}s'.format(duration)) |
| return '{} ({})'.format(self._status, ''.join(duration_parts)) |
| |
| def messages(self): |
| return self._messages |
| |
| |
| class ConfigError(Exception): |
| pass |
| |
| |
| def result_func(glob_warnings=()): |
| def result(status, *args): |
| return _Result(status, *([str(x) for x in glob_warnings] + list(args))) |
| |
| return result |
| |
| |
| class ConfigFileError(Exception): |
| pass |
| |
| |
| class MissingSubmodulesError(Exception): |
| pass |
| |
| |
| # TODO(mohrr) remove disable=useless-object-inheritance once in Python 3. |
| # pylint: disable=useless-object-inheritance |
| # pylint: disable=too-many-instance-attributes |
| # pylint: disable=too-many-arguments |
| class EnvSetup(object): |
| """Run environment setup for Pigweed.""" |
| def __init__(self, pw_root, cipd_cache_dir, shell_file, quiet, install_dir, |
| virtualenv_root, strict, virtualenv_gn_out_dir, json_file, |
| project_root, config_file, use_existing_cipd, |
| use_pinned_pip_packages, cipd_only, trust_cipd_hash): |
| self._env = environment.Environment() |
| self._project_root = project_root |
| self._pw_root = pw_root |
| self._setup_root = os.path.join(pw_root, 'pw_env_setup', 'py', |
| 'pw_env_setup') |
| self._cipd_cache_dir = cipd_cache_dir |
| self._shell_file = shell_file |
| self._is_windows = os.name == 'nt' |
| self._quiet = quiet |
| self._install_dir = install_dir |
| self._virtualenv_root = (virtualenv_root |
| or os.path.join(install_dir, 'pigweed-venv')) |
| self._strict = strict |
| self._cipd_only = cipd_only |
| self._trust_cipd_hash = trust_cipd_hash |
| |
| if os.path.isfile(shell_file): |
| os.unlink(shell_file) |
| |
| if isinstance(self._pw_root, bytes) and bytes != str: |
| self._pw_root = self._pw_root.decode() |
| |
| self._cipd_package_file = [] |
| self._virtualenv_requirements = [] |
| self._virtualenv_gn_targets = [] |
| self._virtualenv_gn_args = [] |
| self._use_pinned_pip_packages = use_pinned_pip_packages |
| self._optional_submodules = [] |
| self._required_submodules = [] |
| self._virtualenv_system_packages = False |
| self._pw_packages = [] |
| self._root_variable = None |
| |
| self._json_file = json_file |
| self._gni_file = None |
| |
| self._config_file_name = getattr(config_file, 'name', 'config file') |
| self._env.set('_PW_ENVIRONMENT_CONFIG_FILE', self._config_file_name) |
| if config_file: |
| self._parse_config_file(config_file) |
| |
| self._check_submodules() |
| |
| self._use_existing_cipd = use_existing_cipd |
| self._virtualenv_gn_out_dir = virtualenv_gn_out_dir |
| |
| if self._root_variable: |
| self._env.set(self._root_variable, project_root, deactivate=False) |
| self._env.set('PW_PROJECT_ROOT', project_root, deactivate=False) |
| self._env.set('PW_ROOT', pw_root, deactivate=False) |
| self._env.set('_PW_ACTUAL_ENVIRONMENT_ROOT', install_dir) |
| self._env.add_replacement('_PW_ACTUAL_ENVIRONMENT_ROOT', install_dir) |
| self._env.add_replacement('PW_ROOT', pw_root) |
| |
| def _process_globs(self, globs): |
| unique_globs = [] |
| for pat in globs: |
| if pat and pat not in unique_globs: |
| unique_globs.append(pat) |
| |
| files = [] |
| warnings = [] |
| for pat in unique_globs: |
| if pat: |
| matches = glob.glob(pat) |
| if not matches: |
| warning = 'pattern "{}" matched 0 files'.format(pat) |
| warnings.append('warning: {}'.format(warning)) |
| if self._strict: |
| raise ConfigError(warning) |
| |
| files.extend(matches) |
| |
| if globs and not files: |
| warnings.append('warning: matched 0 total files') |
| if self._strict: |
| raise ConfigError('matched 0 total files') |
| |
| return files, warnings |
| |
| def _parse_config_file(self, config_file): |
| config = json.load(config_file) |
| |
| self._root_variable = config.pop('root_variable', None) |
| |
| if 'json_file' in config: |
| self._json_file = config.pop('json_file') |
| |
| self._gni_file = config.pop('gni_file', None) |
| |
| self._optional_submodules.extend(config.pop('optional_submodules', ())) |
| self._required_submodules.extend(config.pop('required_submodules', ())) |
| |
| if self._optional_submodules and self._required_submodules: |
| raise ValueError( |
| '{} contains both "optional_submodules" and ' |
| '"required_submodules", but these options are mutually ' |
| 'exclusive'.format(self._config_file_name)) |
| |
| self._cipd_package_file.extend( |
| os.path.join(self._project_root, x) |
| for x in config.pop('cipd_package_files', ())) |
| |
| for pkg in config.pop('pw_packages', ()): |
| self._pw_packages.append(pkg) |
| |
| virtualenv = config.pop('virtualenv', {}) |
| |
| if virtualenv.get('gn_root'): |
| root = os.path.join(self._project_root, virtualenv.pop('gn_root')) |
| else: |
| root = self._project_root |
| |
| for target in virtualenv.pop('gn_targets', ()): |
| self._virtualenv_gn_targets.append( |
| virtualenv_setup.GnTarget('{}#{}'.format(root, target))) |
| |
| self._virtualenv_gn_args = virtualenv.pop('gn_args', ()) |
| |
| self._virtualenv_system_packages = virtualenv.pop( |
| 'system_packages', False) |
| |
| if virtualenv: |
| raise ConfigFileError( |
| 'unrecognized option in {}: "virtualenv.{}"'.format( |
| self._config_file_name, next(iter(virtualenv)))) |
| |
| if config: |
| raise ConfigFileError('unrecognized option in {}: "{}"'.format( |
| self._config_file_name, next(iter(config)))) |
| |
| def _check_submodules(self): |
| unitialized = set() |
| |
| # Don't check submodule presence if using the Android Repo Tool. |
| if os.path.isdir(os.path.join(self._project_root, '.repo')): |
| return |
| |
| cmd = ['git', 'submodule', 'status', '--recursive'] |
| |
| for line in subprocess.check_output( |
| cmd, cwd=self._project_root).splitlines(): |
| if isinstance(line, bytes): |
| line = line.decode() |
| # Anything but an initial '-' means the submodule is initialized. |
| if not line.startswith('-'): |
| continue |
| unitialized.add(line.split()[1]) |
| |
| missing = unitialized - set(self._optional_submodules) |
| if self._required_submodules: |
| missing = set(self._required_submodules) & unitialized |
| |
| if missing: |
| print( |
| 'Not all submodules are initialized. Please run the ' |
| 'following commands.', |
| file=sys.stderr) |
| print('', file=sys.stderr) |
| |
| for miss in missing: |
| print(' git submodule update --init {}'.format(miss), |
| file=sys.stderr) |
| print('', file=sys.stderr) |
| |
| if self._required_submodules: |
| print( |
| 'If these submodules are not required, remove them from ' |
| 'the "required_submodules"', |
| file=sys.stderr) |
| |
| else: |
| print( |
| 'If these submodules are not required, add them to the ' |
| '"optional_submodules"', |
| file=sys.stderr) |
| |
| print('list in the environment config JSON file:', file=sys.stderr) |
| print(' {}'.format(self._config_file_name), file=sys.stderr) |
| print('', file=sys.stderr) |
| |
| raise MissingSubmodulesError(', '.join(sorted(missing))) |
| |
| def _write_gni_file(self): |
| gni_file = os.path.join(self._project_root, 'build_overrides', |
| 'pigweed_environment.gni') |
| if self._gni_file: |
| gni_file = os.path.join(self._project_root, self._gni_file) |
| |
| with open(gni_file, 'w') as outs: |
| self._env.gni(outs, self._project_root) |
| |
| def _log(self, *args, **kwargs): |
| # Not using logging module because it's awkward to flush a log handler. |
| if self._quiet: |
| return |
| flush = kwargs.pop('flush', False) |
| print(*args, **kwargs) |
| if flush: |
| sys.stdout.flush() |
| |
| def setup(self): |
| """Runs each of the env_setup steps.""" |
| |
| if os.name == 'nt': |
| windows_env_start.print_banner(bootstrap=True, no_shell_file=False) |
| else: |
| enable_colors() |
| |
| steps = [ |
| ('CIPD package manager', self.cipd), |
| ('Python environment', self.virtualenv), |
| ('pw packages', self.pw_package), |
| ('Host tools', self.host_tools), |
| ] |
| |
| if self._is_windows: |
| steps.append(("Windows scripts", self.win_scripts)) |
| |
| if self._cipd_only: |
| steps = [('CIPD package manager', self.cipd)] |
| |
| self._log( |
| Color.bold('Downloading and installing packages into local ' |
| 'source directory:\n')) |
| |
| max_name_len = max(len(name) for name, _ in steps) |
| |
| self._env.comment(''' |
| This file is automatically generated. DO NOT EDIT! |
| For details, see $PW_ROOT/pw_env_setup/py/pw_env_setup/env_setup.py and |
| $PW_ROOT/pw_env_setup/py/pw_env_setup/environment.py. |
| '''.strip()) |
| |
| if not self._is_windows: |
| self._env.comment(''' |
| For help debugging errors in this script, uncomment the next line. |
| set -x |
| Then use `set +x` to go back to normal. |
| '''.strip()) |
| |
| self._env.echo( |
| Color.bold( |
| 'Activating environment (setting environment variables):')) |
| self._env.echo('') |
| |
| for name, step in steps: |
| self._log(' Setting up {name:.<{width}}...'.format( |
| name=name, width=max_name_len), |
| end='', |
| flush=True) |
| self._env.echo( |
| ' Setting environment variables for {name:.<{width}}...'. |
| format(name=name, width=max_name_len), |
| newline=False, |
| ) |
| |
| start = time.time() |
| spin = spinner.Spinner(self._quiet) |
| with spin(): |
| result = step(spin) |
| stop = time.time() |
| |
| self._log(result.status_str(stop - start)) |
| |
| self._env.echo(result.status_str()) |
| for message in result.messages(): |
| sys.stderr.write('{}\n'.format(message)) |
| self._env.echo(message) |
| |
| if not result.ok(): |
| return -1 |
| |
| # Log the environment state at the end of each step for debugging. |
| log_dir = os.path.join(self._install_dir, 'logs') |
| if not os.path.isdir(log_dir): |
| os.makedirs(log_dir) |
| actions_json = os.path.join( |
| log_dir, 'post-{}.json'.format(name.replace(' ', '_'))) |
| with open(actions_json, 'w') as outs: |
| self._env.json(outs) |
| |
| # This file needs to be written after the CIPD step and before the |
| # Python virtualenv step. It also needs to be rewritten after the |
| # Python virtualenv step, so it's easiest to just write it after |
| # every step. |
| self._write_gni_file() |
| |
| self._log('') |
| self._env.echo('') |
| |
| self._env.finalize() |
| |
| self._env.echo(Color.bold('Checking the environment:')) |
| self._env.echo() |
| |
| self._env.doctor() |
| self._env.echo() |
| |
| self._env.echo( |
| Color.bold('Environment looks good, you are ready to go!')) |
| self._env.echo() |
| |
| # Don't write new files if all we did was update CIPD packages. |
| if self._cipd_only: |
| return 0 |
| |
| with open(self._shell_file, 'w') as outs: |
| self._env.write(outs) |
| |
| deactivate = os.path.join( |
| self._install_dir, |
| 'deactivate{}'.format(os.path.splitext(self._shell_file)[1])) |
| with open(deactivate, 'w') as outs: |
| self._env.write_deactivate(outs) |
| |
| config = { |
| # Skipping sysname and nodename in os.uname(). nodename could change |
| # based on the current network. sysname won't change, but is |
| # redundant because it's contained in release or version, and |
| # skipping it here simplifies logic. |
| 'uname': ' '.join(getattr(os, 'uname', lambda: ())()[2:]), |
| 'os': os.name, |
| } |
| |
| with open(os.path.join(self._install_dir, 'config.json'), 'w') as outs: |
| outs.write( |
| json.dumps(config, indent=4, separators=(',', ': ')) + '\n') |
| |
| json_file = (self._json_file |
| or os.path.join(self._install_dir, 'actions.json')) |
| with open(json_file, 'w') as outs: |
| self._env.json(outs) |
| |
| return 0 |
| |
| def cipd(self, spin): |
| """Set up cipd and install cipd packages.""" |
| |
| install_dir = os.path.join(self._install_dir, 'cipd') |
| |
| # There's no way to get to the UnsupportedPlatform exception if this |
| # flag is set, but this flag should only be set in LUCI builds which |
| # will always have CIPD. |
| if self._use_existing_cipd: |
| cipd_client = 'cipd' |
| |
| else: |
| try: |
| cipd_client = cipd_wrapper.init(install_dir, silent=True) |
| except cipd_wrapper.UnsupportedPlatform as exc: |
| return result_func((' {!r}'.format(exc), ))( |
| _Result.Status.SKIPPED, |
| ' abandoning CIPD setup', |
| ) |
| |
| package_files, glob_warnings = self._process_globs( |
| self._cipd_package_file) |
| result = result_func(glob_warnings) |
| |
| if not package_files: |
| return result(_Result.Status.SKIPPED) |
| |
| if not cipd_update.update(cipd=cipd_client, |
| root_install_dir=install_dir, |
| package_files=package_files, |
| cache_dir=self._cipd_cache_dir, |
| env_vars=self._env, |
| spin=spin, |
| trust_hash=self._trust_cipd_hash): |
| return result(_Result.Status.FAILED) |
| |
| return result(_Result.Status.DONE) |
| |
| def virtualenv(self, unused_spin): |
| """Setup virtualenv.""" |
| |
| requirements, req_glob_warnings = self._process_globs( |
| self._virtualenv_requirements) |
| result = result_func(req_glob_warnings) |
| |
| orig_python3 = _which('python3') |
| with self._env(): |
| new_python3 = _which('python3') |
| |
| # There is an issue with the virtualenv module on Windows where it |
| # expects sys.executable to be called "python.exe" or it fails to |
| # properly execute. If we installed Python 3 in the CIPD step we need |
| # to address this. Detect if we did so and if so create a copy of |
| # python3.exe called python.exe so that virtualenv works. |
| if orig_python3 != new_python3 and self._is_windows: |
| python3_copy = os.path.join(os.path.dirname(new_python3), |
| 'python.exe') |
| if not os.path.exists(python3_copy): |
| shutil.copyfile(new_python3, python3_copy) |
| new_python3 = python3_copy |
| |
| if not requirements and not self._virtualenv_gn_targets: |
| return result(_Result.Status.SKIPPED) |
| |
| if not virtualenv_setup.install( |
| project_root=self._project_root, |
| venv_path=self._virtualenv_root, |
| requirements=requirements, |
| gn_args=self._virtualenv_gn_args, |
| gn_targets=self._virtualenv_gn_targets, |
| gn_out_dir=self._virtualenv_gn_out_dir, |
| python=new_python3, |
| env=self._env, |
| system_packages=self._virtualenv_system_packages, |
| use_pinned_pip_packages=self._use_pinned_pip_packages, |
| ): |
| return result(_Result.Status.FAILED) |
| |
| return result(_Result.Status.DONE) |
| |
| def pw_package(self, unused_spin): |
| """Install "default" pw packages.""" |
| |
| result = result_func() |
| |
| if not self._pw_packages: |
| return result(_Result.Status.SKIPPED) |
| |
| logdir = os.path.join(self._install_dir, 'packages') |
| if not os.path.isdir(logdir): |
| os.makedirs(logdir) |
| |
| for pkg in self._pw_packages: |
| print('installing {}'.format(pkg)) |
| cmd = ['pw', 'package', 'install', pkg] |
| |
| log = os.path.join(logdir, '{}.log'.format(pkg)) |
| try: |
| with open(log, 'w') as outs, self._env(): |
| print(*cmd, file=outs) |
| subprocess.check_call(cmd, |
| cwd=self._project_root, |
| stdout=outs, |
| stderr=subprocess.STDOUT) |
| except subprocess.CalledProcessError: |
| with open(log, 'r') as ins: |
| sys.stderr.write(ins.read()) |
| raise |
| |
| return result(_Result.Status.DONE) |
| |
| def host_tools(self, unused_spin): |
| # The host tools are grabbed from CIPD, at least initially. If the |
| # user has a current host build, that build will be used instead. |
| # TODO(mohrr) find a way to do stuff like this for all projects. |
| host_dir = os.path.join(self._pw_root, 'out', 'host') |
| self._env.prepend('PATH', os.path.join(host_dir, 'host_tools')) |
| return _Result(_Result.Status.DONE) |
| |
| def win_scripts(self, unused_spin): |
| # These scripts act as a compatibility layer for windows. |
| env_setup_dir = os.path.join(self._pw_root, 'pw_env_setup') |
| self._env.prepend('PATH', os.path.join(env_setup_dir, |
| 'windows_scripts')) |
| return _Result(_Result.Status.DONE) |
| |
| |
| def parse(argv=None): |
| """Parse command-line arguments.""" |
| parser = argparse.ArgumentParser() |
| |
| pw_root = os.environ.get('PW_ROOT', None) |
| if not pw_root: |
| try: |
| with open(os.devnull, 'w') as outs: |
| pw_root = subprocess.check_output( |
| ['git', 'rev-parse', '--show-toplevel'], |
| stderr=outs).strip() |
| except subprocess.CalledProcessError: |
| pw_root = None |
| |
| parser.add_argument( |
| '--pw-root', |
| default=pw_root, |
| required=not pw_root, |
| ) |
| |
| project_root = os.environ.get('PW_PROJECT_ROOT', None) or pw_root |
| |
| parser.add_argument( |
| '--project-root', |
| default=project_root, |
| required=not project_root, |
| ) |
| |
| parser.add_argument( |
| '--cipd-cache-dir', |
| default=os.environ.get('CIPD_CACHE_DIR', |
| os.path.expanduser('~/.cipd-cache-dir')), |
| ) |
| |
| parser.add_argument( |
| '--trust-cipd-hash', |
| action='store_true', |
| help='Only run the cipd executable if the ensure file or command-line ' |
| 'has changed. Defaults to false since files could have been deleted ' |
| 'from the installation directory and cipd would add them back.', |
| ) |
| |
| parser.add_argument( |
| '--shell-file', |
| help='Where to write the file for shells to source.', |
| required=True, |
| ) |
| |
| parser.add_argument( |
| '--quiet', |
| help='Reduce output.', |
| action='store_true', |
| default='PW_ENVSETUP_QUIET' in os.environ, |
| ) |
| |
| parser.add_argument( |
| '--install-dir', |
| help='Location to install environment.', |
| required=True, |
| ) |
| |
| parser.add_argument( |
| '--config-file', |
| help='JSON file describing CIPD and virtualenv requirements.', |
| type=argparse.FileType('r'), |
| required=True, |
| ) |
| |
| parser.add_argument( |
| '--virtualenv-gn-out-dir', |
| help=('Output directory to use when building and installing Python ' |
| 'packages with GN; defaults to a unique path in the environment ' |
| 'directory.')) |
| |
| parser.add_argument( |
| '--virtualenv-root', |
| help=('Root of virtualenv directory. Default: ' |
| '<install_dir>/pigweed-venv'), |
| default=None, |
| ) |
| |
| parser.add_argument('--json-file', help=argparse.SUPPRESS, default=None) |
| |
| parser.add_argument( |
| '--use-existing-cipd', |
| help='Use cipd executable from the environment instead of fetching it.', |
| action='store_true', |
| ) |
| |
| parser.add_argument( |
| '--strict', |
| help='Fail if there are any warnings.', |
| action='store_true', |
| ) |
| |
| parser.add_argument( |
| '--unpin-pip-packages', |
| dest='use_pinned_pip_packages', |
| help='Do not use pins of pip packages.', |
| action='store_false', |
| ) |
| |
| parser.add_argument( |
| '--cipd-only', |
| help='Skip non-CIPD steps.', |
| action='store_true', |
| ) |
| |
| args = parser.parse_args(argv) |
| |
| return args |
| |
| |
| def main(): |
| try: |
| return EnvSetup(**vars(parse())).setup() |
| except subprocess.CalledProcessError as err: |
| print() |
| print(err.output) |
| raise |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |
