ref: ad8747310983ef011f7ce6211836121e029e48b5
dir: /sys/src/cmd/python/Doc/lib/sqlite3/md5func.py/
import sqlite3 import md5 def md5sum(t): return md5.md5(t).hexdigest() con = sqlite3.connect(":memory:") con.create_function("md5", 1, md5sum) cur = con.cursor() cur.execute("select md5(?)", ("foo",)) print cur.fetchone()[0]