peewee_moves.py 文件源码

def column(self, coltype, name, **kwargs):
        """
        Generic method to add a column of any type.

        :param coltype: Column type (from FIELD_TO_PEEWEE).
        :param name: Name of column.
        :param kwargs: Arguments for the given column type.
        """
        constraints = kwargs.pop('constraints', [])
        new_constraints = []
        for const in constraints:
            if isinstance(const, str):
                const = peewee.SQL(const)
            new_constraints.append(const)
        kwargs['constraints'] = new_constraints

        field_class = FIELD_TO_PEEWEE.get(coltype, peewee.CharField)
        field_class(**kwargs).add_to_class(self.model, name)