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Don't hope to encode stuff in an arbitrary encoding
libpq's PQescapeString will use the same encoding it has seen before in a connection (static_client_encoding). So I think I'll leave this feature here for people who know what is doing, but won't really document it as a feature: it can't really work in a generic way (unless adding some disgusting hack like creating a fake connection with the encoding we want to call PQescapeStringConn instead of PQescapeString).
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NEWS
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NEWS
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@ -26,6 +26,7 @@ What's new in psycopg 2.6.2
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- Report the server response status on errors (such as :ticket:`#281`).
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- Raise `!NotSupportedError` on unhandled server response status
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(:ticket:`#352`).
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- Allow overriding string adapter encoding with no connection (:ticket:`#331`).
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- The `~psycopg2.extras.wait_select` callback allows interrupting a
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long-running query in an interactive shell using :kbd:`Ctrl-C`
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(:ticket:`#333`).
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@ -157,7 +157,7 @@ class QuotingTestCase(ConnectingTestCase):
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class TestQuotedString(ConnectingTestCase):
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def test_encoding(self):
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def test_encoding_from_conn(self):
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q = psycopg2.extensions.QuotedString('hi')
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self.assertEqual(q.encoding, 'latin1')
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@ -191,8 +191,11 @@ class TestStringAdapter(ConnectingTestCase):
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self.assertEqual(a.encoding, 'latin1')
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self.assertEqual(a.getquoted(), "'hello'")
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egrave = u'\xe8'
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self.assertEqual(adapt(egrave).getquoted(), "'\xe8'")
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# NOTE: we can't really test an encoding different from utf8, because
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# when encoding without connection the libpq will use parameters from
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# a previous one, so what would happens depends jn the tests run order.
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# egrave = u'\xe8'
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# self.assertEqual(adapt(egrave).getquoted(), "'\xe8'")
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def test_encoding_error(self):
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from psycopg2.extensions import adapt
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@ -201,6 +204,9 @@ class TestStringAdapter(ConnectingTestCase):
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self.assertRaises(UnicodeEncodeError, a.getquoted)
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def test_set_encoding(self):
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# Note: this works-ish mostly in case when the standard db connection
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# we test with is utf8, otherwise the encoding chosen by PQescapeString
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# may give bad results.
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from psycopg2.extensions import adapt
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snowman = u"\u2603"
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a = adapt(snowman)
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