1 import sqlite3 2 import hashlib 3 4 def md5sum(t): 5 return hashlib.md5(t).hexdigest() 6 7 con = sqlite3.connect(":memory:") 8 con.create_function("md5", 1, md5sum) 9 cur = con.cursor() 10 cur.execute("select md5(?)", (b"foo",)) 11 print(cur.fetchone()[0]) 12