[ANN] pysqlite 2.3.1 released

Gerhard Häring gh at ghaering.de
Tue Jun 20 23:59:06 CEST 2006


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pysqlite 2.3.1 released
=======================

I'm pleased to announce the availability of pysqlite 2.3.1. This is a
bugfix release, but it includes important fixes. Users of pysqlite
2.2.1 to 2.3.0 should definitely upgrade.

Go to http://pysqlite.org/ for downloads, online documentation and
reporting bugs.

What is pysqlite?

    pysqlite is a DB-API 2.0-compliant database interface for SQLite.

    SQLite is a relational database management system contained in a
    relatively small C library. It is a public domain project created
    by D. Richard Hipp.  Unlike the usual client-server paradigm, the
    SQLite engine is not a standalone process with which the program
    communicates, but is linked in and thus becomes an integral part
    of the program. The library implements most of SQL-92 standard,
    including transactions, triggers and most of complex queries.

    pysqlite makes this powerful embedded SQL engine available to
    Python programmers. It stays compatible with the Python database
    API specification 2.0 as much as possible, but also exposes most
    of SQLite's native API, so that it is for example possible to
    create user-defined SQL functions and aggregates in Python.

    If you need a relational database for your applications, or even
    small tools or helper scripts, pysqlite is often a good fit. It's
    easy to use, easy to deploy, and does not depend on any other
    Python libraries or platform libraries, except SQLite. SQLite
    itself is ported to most platforms you'd ever care about.

    It's often a good alternative to MySQL, the Microsoft JET engine
    or the MSDE, without having any of their license and deployment
    issues.

pysqlite can be downloaded from http://pysqlite.org/ - Sources and
Windows binaries for Python 2.4 and Python 2.3 are available.

=======
CHANGES
=======

- - Implemented a workaround for SQLite versions < 3.3.3: they are buggy
  and cannot use sqlite3_result_error from certain callbacks. So we
  cannot abort queries from callbacks. For these SQLite versions we
  set the Python exception and catch it later on when sqlite3_step is
  finished.

- - Plugged a memory leak that affects pysqlite versions 2.2.1, 2.2.2
  and 2.3.0: due to wrong usage of weak references, an internal list
  of weak references was always growing with each new statement text
  executed on the same connection.

- - Removed a call to enable_callback_tracebacks that slipped in the
  test suite.
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