def proc(self, proc=None, owner=None, schema=None):
        cur = self.begin()
        if proc:
            cur.procedurecolumns(schema, owner, proc, None)
        else:
            cur.procedures(schema, owner, None)
        self.commit(cur)
        self.display()
If no proc argument, displays a list of all procedures.  If a proc argument,
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/dbexts.py/dbexts.proc