references.py 文件源码

def number_footnotes(self, startnum):
        """
        Assign numbers to autonumbered footnotes.

        For labeled autonumbered footnotes, copy the number over to
        corresponding footnote references.
        """
        for footnote in self.document.autofootnotes:
            while True:
                label = str(startnum)
                startnum += 1
                if label not in self.document.nameids:
                    break
            footnote.insert(0, nodes.label('', label))
            for name in footnote['names']:
                for ref in self.document.footnote_refs.get(name, []):
                    ref += nodes.Text(label)
                    ref.delattr('refname')
                    assert len(footnote['ids']) == len(ref['ids']) == 1
                    ref['refid'] = footnote['ids'][0]
                    footnote.add_backref(ref['ids'][0])
                    self.document.note_refid(ref)
                    ref.resolved = 1
            if not footnote['names'] and not footnote['dupnames']:
                footnote['names'].append(label)
                self.document.note_explicit_target(footnote, footnote)
                self.autofootnote_labels.append(label)
        return startnum