req_file.py 文件源码

def preprocess(content, options):
    """Split, filter, and join lines, and return a line iterator

    :param content: the content of the requirements file
    :param options: cli options
    """
    lines_enum = enumerate(content.splitlines(), start=1)
    lines_enum = join_lines(lines_enum)
    lines_enum = ignore_comments(lines_enum)
    lines_enum = skip_regex(lines_enum, options)
    return lines_enum