slidoc.py 文件源码

def extract_slide_range(src_path, web_path, start_slide=0, end_slide=0, renumber=0, session_name=''):
    # Extract text and images for a range of slides from Markdown file
    # Return (md_defaults, slides_text_md, slides_images_zip or None, new_image_number)
    md_defaults, md_slides, new_image_number = extract_slides(src_path, web_path)

    if not start_slide:
        start_slide = 1
    elif start_slide > len(md_slides):
        raise Exception('Invalid slide number %d' % start_slide)

    if not end_slide:
        end_slide = len(md_slides)

    fname = os.path.splitext(os.path.basename(src_path))[0]
    if not session_name:
        session_name = fname
    md_extract = ''.join(md_slides[start_slide-1:end_slide])
    extract_mods_args = md2md.Args_obj.create_args(None,
                                                  image_dir=session_name+'_images',
                                                  images=set(['_slidoc', 'zip', 'md']),
                                                  renumber=renumber)
    extract_parser = md2md.Parser(extract_mods_args)
    extract_text, extract_zipped, tem_image_number = extract_parser.parse(md_extract, src_path)

    return (md_defaults, extract_text, extract_zipped, tem_image_number if renumber else new_image_number)