test_field_signature_mixin.py 文件源码

def folder_model(database):
    class Folder(FieldSignatureMixin, ArchivedMixin):
        # This class represents a Folder in a file system. Two Folders with
        # the same name cannot exist in the same Folder. If the Folder has
        # no Parent Folder, it exists in the top level of the file system.
        name = peewee.CharField(max_length=255, null=False)
        parent_folder = peewee.ForeignKeyField('self', null=True)

        class Meta:
            signature_fields = ('name', 'parent_folder')

    Folder._meta.database = database.database
    Folder.create_table(True)

    return Folder