__init__.py 文件源码

def _install(package, src_dir, dst_dir, params, prefix_len=None, rec=None):
    """Interpolate source directory into target directory with params."""
    package_name = package.__name__
    contents = pkg_resources.resource_listdir(package_name, src_dir)

    if prefix_len is None:
        prefix_len = len(src_dir) + 1

    for item in contents:
        resource_path = '/'.join([src_dir, item])
        dst_path = os.path.join(dst_dir, resource_path[prefix_len:])
        if pkg_resources.resource_isdir(package_name,
                                        '/'.join([src_dir, item])):
            fs.mkdir_safe(dst_path)
            if rec:
                rec.write('%s/\n' % dst_path)
            _install(package,
                     os.path.join(src_dir, item),
                     dst_dir,
                     params,
                     prefix_len=prefix_len,
                     rec=rec)
        else:
            if resource_path.endswith('.swp'):
                continue

            _LOGGER.info('Render: %s => %s', resource_path, dst_path)
            resource_str = pkg_resources.resource_string(package_name,
                                                         resource_path)
            if rec:
                rec.write('%s\n' % dst_path)
            _update(dst_path, _render(resource_str.decode('utf-8'), params))