get_katex_symbols.py 文件源码

def gen_outdict(symbols_it):
    """Without the change of ``ntup.mode`` from str to list, output
    would be roughly equivalent to:
    >>> dict((gname, {ntup.name: ntup._asdict() for ntup in grp})
             for gname, grp in gr_symtups)
    ...
    """
    #
    # TODO change all ``mode`` and ``atom`` vals to lists
    from collections.abc import MutableSequence
    outdict = {}
    for groupname, group in symbols_it:
        newgroup = {}
        for ntup in group:
            # ntup = ntup._replace(mode=[ntup.mode])
            if ntup.name not in newgroup:
                newgroup.update({ntup.name: ntup._asdict()})
            else:
                existing = newgroup[ntup.name]
                for field in 'font symbol'.split():
                    assert existing[field] == ntup._asdict()[field]
                for field in 'atom mode'.split():
                    if isinstance(existing[field], MutableSequence):
                        # For now, this can't exist without implementing above.
                        assert False
                        if ntup._asdict()[field] not in existing[field]:
                            existing[field].append(ntup._asdict()[field])
                            existing[field].sort()
                    else:
                        if existing[field] != ntup._asdict()[field]:
                            existing.update({field: sorted(
                                [existing[field], ntup._asdict()[field]])})
        outdict.update({groupname: newgroup})
    return outdict


# Among the first few lines of the source file are js var initializations for
# creating `module.exports` objects. These take the form: `var foo = "foo";`.
# Snag these and store them as a dict alongside original comment heading.