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Bump version and include a warning regarding the corrected DB-API connect exception.
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‎README‎

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@@ -11,6 +11,17 @@ http://github.com/MagicStack/asyncpg should be considered.
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py-postgresql, currently, does not have direct support for high-level async
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interfaces provided by recent versions of Python. Future versions may change this.
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Errata
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------
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.. warning::
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`postgresql.driver.dbapi20.connect` will now raise `ClientCannotConnectError` directly.
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Exception traps around connect should still function, but the `__context__` attribute
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on the error instance will be `None` in the usual failure case as it is no longer
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incorrectly chained. Trapping `ClientCannotConnectError` ahead of `Error` should
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allow both cases to co-exist in the event that data is being extracted from
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the `ClientCannotConnectError`.
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Installation
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------------
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‎postgresql/documentation/changes-v1.2.rst‎

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Changes in v1.2
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===============
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1.2.2 released on 2020-09-17
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----------------------------
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* Correct broken Connection.proc.
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* Correct IPv6 IRI host oversight.
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* Document an ambiguity case of DB-API 2.0 connection creation and the workaround(unix vs host/port).
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* DB-API 2.0 connect() failures caused an undesired exception chain; ClientCannotConnect is now raised.
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* Minor maintenance on tests and support modules.
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1.2.0 released on 2016-06-23
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----------------------------
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‎postgresql/project.py‎

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meaculpa = 'Python+Postgres'
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abstract = 'Driver and tools library for PostgreSQL'
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version_info = (1, 2, 1)
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version_info = (1, 2, 2)
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version = '.'.join(map(str, version_info))

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