39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
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"""Error classes for PostgreSQL error codes
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"""
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# psycopg/errors.py - SQLSTATE and DB-API exceptions
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#
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# Copyright (C) 2018-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
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# Copyright (C) 2020-2021 The Psycopg Team
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#
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# psycopg2 is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# In addition, as a special exception, the copyright holders give
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# permission to link this program with the OpenSSL library (or with
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# modified versions of OpenSSL that use the same license as OpenSSL),
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# and distribute linked combinations including the two.
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#
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# You must obey the GNU Lesser General Public License in all respects for
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# all of the code used other than OpenSSL.
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#
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# psycopg2 is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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#
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# NOTE: the exceptions are injected into this module by the C extention.
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#
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def lookup(code):
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"""Lookup an error code and return its exception class.
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Raise `!KeyError` if the code is not found.
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"""
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from psycopg2._psycopg import sqlstate_errors # avoid circular import
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return sqlstate_errors[code]
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