cli.py 文件源码

def copy_template(template_path: Path, path: Path, variables: dict):
    for d in template_path.iterdir():
        target_path = path / d.relative_to(template_path)
        if d.is_dir():
            copy_template(d, target_path, variables)
        elif target_path.exists():
            # better not overwrite any existing files!
            raise click.UsageError('Target file "{}" already exists. Aborting!'.format(target_path))
        else:
            with Action('Writing {}..'.format(target_path)):
                target_path.parent.mkdir(parents=True, exist_ok=True)
                with d.open() as fd:
                    contents = fd.read()
                template = string.Template(contents)
                contents = template.safe_substitute(variables)
                with target_path.open('w') as fd:
                    fd.write(contents)