numfig.py 文件源码

def doctree_read(app, doctree):
    # first generate figure numbers for each figure
    env = app.builder.env
    figid_docname_map = getattr(env, 'figid_docname_map', {})

    for figure_info in doctree.traverse(figure):
        for id in figure_info['ids']:
            figid_docname_map[id] = env.docname

    env.figid_docname_map = figid_docname_map