'Migrate from ["path1", "path2", ...] to [{"name":"path1"},{"name":"path2"},...]'

def forwards(self, orm):

    for fs in orm.Fs.objects.all():
        new_mkdirs = []
        for mkdir in json.loads(fs.mkdirs):
            if isinstance(mkdir, basestring):
                new_mkdirs.append({'name': mkdir})
        new_touchzs = []
        for touchzs in json.loads(fs.touchzs):
            if isinstance(touchzs, basestring):
                new_touchzs.append({'name': touchzs})
        if new_mkdirs:
            fs.mkdirs = json.dumps(new_mkdirs)
        if new_touchzs:
            fs.touchzs = json.dumps(new_touchzs)
        fs.save()
