(ix, fieldnames, commit=True)
Adds spelling files to an existing index that was created without
    them, and modifies the schema so the given fields have the ``spelling``
    attribute. Only works on filedb indexes.

    >>> ix = index.open_dir("testindex")
    >>> add_spelling(ix, ["content", "tags"])

    :param ix: a :class:`whoosh.filedb.fileindex.FileIndex` object.
    :param fieldnames: a list of field names to create word graphs for.
    :param force: if True, overwrites existing word graph files. This is only
        useful for debugging.
Adds spelling files to an existing index that was created without
    them, and modifies the schema so the given fields have the ``spelling``
    attribute. Only works on filedb indexes.
Adds spelling files to an existing index that was created without them and modifies the schema so the given fields have the spelling attribute . Only works on filedb indexes .
def add_spelling(ix, fieldnames, commit=True):
    """Adds spelling files to an existing index that was created without
    them, and modifies the schema so the given fields have the ``spelling``
    attribute. Only works on filedb indexes.

    >>> ix = index.open_dir("testindex")
    >>> add_spelling(ix, ["content", "tags"])

    :param ix: a :class:`whoosh.filedb.fileindex.FileIndex` object.
    :param fieldnames: a list of field names to create word graphs for.
    :param force: if True, overwrites existing word graph files. This is only
        useful for debugging.
    """

    from whoosh.automata import fst
    from whoosh.reading import SegmentReader

    writer = ix.writer()
    storage = writer.storage
    schema = writer.schema
    segments = writer.segments

    for segment in segments:
        ext = segment.codec().FST_EXT

        r = SegmentReader(storage, schema, segment)
        f = segment.create_file(storage, ext)
        gw = fst.GraphWriter(f)
        for fieldname in fieldnames:
            gw.start_field(fieldname)
            for word in r.lexicon(fieldname):
                gw.insert(word)
            gw.finish_field()
        gw.close()

    for fieldname in fieldnames:
        schema[fieldname].spelling = True

    if commit:
        writer.commit(merge=False)
def add_spelling ( ix , fieldnames , commit = True ) : from whoosh . automata import fst from whoosh . reading import SegmentReader writer = ix . writer ( ) storage = writer . storage schema = writer . schema segments = writer . segments for segment in segments : ext = segment . codec ( ) . FST_EXT r = SegmentReader ( storage , schema , segment ) f = segment . create_file ( storage , ext ) gw = fst . GraphWriter ( f ) for fieldname in fieldnames : gw . start_field ( fieldname ) for word in r . lexicon ( fieldname ) : gw . insert ( word ) gw . finish_field ( ) gw . close ( ) for fieldname in fieldnames : schema [ fieldname ] . spelling = True if commit : writer . commit ( merge = False )