Re: Psycopg 2.7 released

I was just waiting for 2.7 to come out. Now I can start developing
pg_chameleon v2. :-)
Thank you

On 1 Mar 2017 3:51 p.m., "Daniele Varrazzo" <daniele(dot)varrazzo(at)gmail(dot)com>
wrote:

> It's finally here! Thank you very much for waiting so long: we have
> finally released Psycopg 2.7!
>
> Buzzwords:
>
> - Faster! Helps generating SQL for repeatedly executed statements and
> faster Unicode decoding.
> - Safer! Helps generating dynamic SQL statements with variable table and
> field names.
> - Easier! Use the binary package to avoid the need of C compiler,
> pg_config,
> libpq required on the clients.
> - Replication! Support for PostgreSQL physical and logical replication.
> - Plays-better-with-pgbouncer-at-transaction-pooling-level! This.
>
> You can download the source packages as usual from the canonical urls:
>
> - http://initd.org/psycopg/tarballs/PSYCOPG-2-7/psycopg2-2.7.tar.gz
> - http://initd.org/psycopg/tarballs/PSYCOPG-2-7/psycopg2-2.7.tar.gz.asc
>
> Or just use pip:
>
> pip install psycopg2
>
> Before dumping the full set of changes I wish to thank again all the
> people who have contributed to this psycopg version, especially
> Oleksandr Shulgin and Craig Ringer for the replication protocol
> support and Jason Erickson for the windows packaging.
>
> New features:
>
> - Added psycopg2.sql module to generate SQL dynamically (ticket #308).
> - Added replication protocol support (ticket #322).
> - Added parse_dsn() and make_dsn() functions (ticket #321, ticket #363).
> connect() now can take both dsn and keyword arguments, merging them
> together.
> - Added __libpq_version__ and libpq_version() to inspect the version of
> the libpq library the module was compiled/loaded with (ticket #35,
> ticket #323).
> - The attributes notices and notifies can be customized replacing them
> with any object exposing an append() method (ticket #326).
> - Adapt network types to ipaddress objects when available. When not
> enabled, convert arrays of network types to lists by default. The old
> Inet adapter is deprecated (ticket #317, ticket #343, ticket #387).
> - Added quote_ident() function (ticket #359).
> - Added get_dsn_parameters() connection method (ticket #364).
> - callproc() now accepts a dictionary of parameters (ticket #381).
> - Give precedence to __conform__() over superclasses to choose an object
> adapter (ticket #456).
> - Using Python C API decoding functions and codecs caching for faster
> Unicode encoding/decoding (ticket #473).
> - executemany() slowness addressed by execute_batch() and execute_values()
> (ticket #491).
> - Added async_ as an alias for async to support Python 3.7 where async
> will become a keyword (ticket #495).
> - Unless in autocommit, do not use default_transaction_* settings to
> control the session characteristics as it may create problems with
> external connection pools such as pgbouncer; use BEGIN options instead
> (ticket #503).
> - isolation_level is now writable and entirely separated from autocommit;
> added readonly, deferrable writable attributes.
>
> Bug fixes:
>
> - Fixed error caused by missing decoding LoggingConnection (ticket #483).
> - Fixed integer overflow in interval seconds (ticket #512).
>
> Other changes:
>
> - Dropped support for Python 2.5 and 3.1.
> - Dropped support for client library older than PostgreSQL 9.1 (but older
> server versions are still supported).
> - isolation_level doesn't read from the database but will return
> ISOLATION_LEVEL_DEFAULT if no value was set on the connection.
> - Empty arrays no more converted into lists if they don't have a type
> attached (ticket #506).
>
>
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