sphinx-3000.py 文件源码

def post_process_images(self, doctree):
        """Pick the best candidate for all image URIs."""
        for node in doctree.traverse(nodes.image):
            if '?' in node['candidates']:
                # don't rewrite nonlocal image URIs
                continue
            if '*' not in node['candidates']:
                for imgtype in self.supported_image_types:
                    candidate = node['candidates'].get(imgtype, None)
                    if candidate:
                        break
                else:
                    self.warn(
                        'no matching candidate for image URI %r' % node['uri'],
                        '%s:%s' % (node.source, getattr(node, 'line', '')))
                    continue
                node['uri'] = candidate
            else:
                candidate = node['uri']
            if candidate not in self.env.images:
                # non-existing URI; let it alone
                continue
            self.images[candidate] = self.env.images[candidate][1]

    # compile po methods