Mercurial > cpython-lru_cache-weakref

annotate Doc/includes/sqlite3/text_factory.py @ 79691:05c8928362ee

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Merge __next__ method link fixes with 3.3.
author Ezio Melotti <ezio.melotti@gmail.com>
date Fri, 12 Oct 2012 13:46:37 +0300
parents ba5b337ecc27
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import sqlite3
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2
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3 con = sqlite3.connect(":memory:")
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4 cur = con.cursor()
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5
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6 AUSTRIA = "\xd6sterreich"
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7
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8 # by default, rows are returned as Unicode
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9 cur.execute("select ?", (AUSTRIA,))
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10 row = cur.fetchone()
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11 assert row[0] == AUSTRIA
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12
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699da6c467dc Merged revisions 72661,72675-72677,72679,72712,72801,72820 via svnmerge from
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13 # but we can make sqlite3 always return bytestrings ...
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14 con.text_factory = bytes
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15 cur.execute("select ?", (AUSTRIA,))
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16 row = cur.fetchone()
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17 assert type(row[0]) is bytes
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18 # the bytestrings will be encoded in UTF-8, unless you stored garbage in the
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19 # database ...
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20 assert row[0] == AUSTRIA.encode("utf-8")
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21
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22 # we can also implement a custom text_factory ...
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23 # here we implement one that appends "foo" to all strings
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24 con.text_factory = lambda x: x.decode("utf-8") + "foo"
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25 cur.execute("select ?", ("bar",))
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26 row = cur.fetchone()
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27 assert row[0] == "barfoo"