mirror of
https://github.com/python/cpython.git
synced 2025-07-12 05:45:15 +00:00
29 lines
775 B
Python
29 lines
775 B
Python
import sqlite3
|
|
|
|
con = sqlite3.connect(":memory:")
|
|
cur = con.cursor()
|
|
|
|
AUSTRIA = "Österreich"
|
|
|
|
# by default, rows are returned as str
|
|
cur.execute("select ?", (AUSTRIA,))
|
|
row = cur.fetchone()
|
|
assert row[0] == AUSTRIA
|
|
|
|
# but we can make sqlite3 always return bytestrings ...
|
|
con.text_factory = bytes
|
|
cur.execute("select ?", (AUSTRIA,))
|
|
row = cur.fetchone()
|
|
assert type(row[0]) is bytes
|
|
# the bytestrings will be encoded in UTF-8, unless you stored garbage in the
|
|
# database ...
|
|
assert row[0] == AUSTRIA.encode("utf-8")
|
|
|
|
# we can also implement a custom text_factory ...
|
|
# here we implement one that appends "foo" to all strings
|
|
con.text_factory = lambda x: x.decode("utf-8") + "foo"
|
|
cur.execute("select ?", ("bar",))
|
|
row = cur.fetchone()
|
|
assert row[0] == "barfoo"
|
|
|
|
con.close()
|