1 import sqlite3

     2 

     3 class Point(object):

     4     def __init__(self, x, y):

     5         self.x, self.y = x, y

     6 

     7 def adapt_point(point):

     8     return "%f;%f" % (point.x, point.y)

     9 

    10 sqlite3.register_adapter(Point, adapt_point)

    11 

    12 con = sqlite3.connect(":memory:")

    13 cur = con.cursor()

    14 

    15 p = Point(4.0, -3.2)

    16 cur.execute("select ?", (p,))

    17 print cur.fetchone()[0]