Exemple #1
0
def test_find_extensions():
    "Make sure that all Nim modules and libraries can be found."
    gold = {
        Path('tests/proj1/proj1/lib1'),
        Path('tests/proj1/proj1/performance.nim')
    }
    for ext in Nimporter._find_extensions(Path('tests/proj1')):
        assert ext in gold
Exemple #2
0
def main(cli_args=None):
    parser = argparse.ArgumentParser(description='Nimporter CLI')
    subs = parser.add_subparsers(dest='cmd', required=True)

    # Clean command
    subs.add_parser(
        'clean',
        help=(
            'Run in project root to recursively remove all Nimporter-specific '
            'build artifacts and hash files'))

    # Build command
    build = subs.add_parser(
        'build',
        help=(
            'Builds a Nim module/library into an importable Python extension'))
    build.add_argument('source',
                       type=pathlib.Path,
                       help='the Nim module/library to compile')
    build.add_argument('--dest',
                       type=pathlib.Path,
                       help='the folder to store the build artifact')

    # Bundle command
    bundle_parser = subs.add_parser(
        'bundle',
        help=(
            'Convenience command for running: python setup.py sdist/bdist_wheel'
        ))
    bundle = bundle_parser.add_subparsers(dest='exp', required=True)
    bin_ = bundle.add_parser('bin')
    src = bundle.add_parser('src')

    # Compile command
    compile_ = subs.add_parser(
        'compile',
        help=('Clean project and then recurse through and build all Nim '
              'modules/libraries'))

    args = parser.parse_args(cli_args or sys.argv[1:])

    if args.cmd == 'clean':
        cwd = pathlib.Path()
        print('Cleaning Directory:', cwd.resolve())
        clean(cwd)

    elif args.cmd == 'build':
        args.source = args.source.absolute()

        if not args.dest:
            args.dest = NimCompiler.build_artifact(args.source).parent

        else:
            assert args.dest.is_dir(), (
                'Cannot specify output filename since extensions change per '
                'platform. Please specify an output directory such as ".".')

        args.dest.mkdir(exist_ok=True)

        module = args.source

        if args.source.is_dir():
            is_library = bool([*module.glob('*.nimble')])
            assert is_library, 'Library dir must contain <libname>.nimble file'

        elif args.source.is_file():
            is_library = bool([*module.parent.glob('*.nimble')])
            if is_library: module = module.parent

        temp_build_dir = pathlib.Path('build').absolute()
        temp_build_dir.mkdir(exist_ok=True)
        artifact = temp_build_dir / (args.source.stem + NimCompiler.EXT)

        try:
            NimCompiler.compile_nim_code(module, artifact, library=is_library)
            shutil.copy(artifact, args.dest)
            module_name = args.source.stem + '.nim'
            Nimporter.update_hash(args.dest.parent / module_name)
        finally:
            shutil.rmtree(temp_build_dir)

    elif args.cmd == 'bundle':
        setup = pathlib.Path('setup.py')

        if not setup.exists():
            print('No setup.py found in dir, would you like to generate one?')

            answer = 'a'
            while answer not in 'YN':
                answer = input('  Y/N: ').upper() or 'a'

            if answer == 'Y':
                setup.write_text(SETUPPY_TEMPLATE)

                print('Generated reference setup.py')
                print('Modify setup.py to point to your modules/packages.')

                bundle_type = 'source' if args.exp == 'src' else 'binary'

                print(
                    f'Once you have finished, run `{" ".join(cli_args)}` again '
                    f'to create a {bundle_type} distribution package.')
        else:
            pyexe = 'python' if sys.platform == 'win32' else 'python3'

            if args.exp == 'bin':
                subprocess.Popen(
                    f'{pyexe} setup.py bdist_wheel'.split()).wait()

            elif args.exp == 'src':
                subprocess.Popen(f'{pyexe} setup.py sdist'.split()).wait()

    elif args.cmd == 'compile':
        clean()

        CTM = lambda: round(time.time() * 1000)
        start = CTM()
        extensions = Nimporter._find_extensions(pathlib.Path())

        for extension in extensions:
            is_lib = extension.is_dir()

            print(f'Building Extension {"Lib" if is_lib else "Mod"}: '
                  f'{extension.name}')

            NimCompiler.compile_nim_code(extension.absolute(),
                                         NimCompiler.build_artifact(
                                             extension.absolute()),
                                         library=is_lib)

            if is_lib:
                Nimporter.update_hash(extension / (extension.name + '.nim'))
            else:
                Nimporter.update_hash(extension)

        print('Done.')
        print(f'Built {len(extensions)} Extensions In '
              f'{(CTM() - start) / 1000.0} secs')

    return 0