c5f9ea51d1
* New features and changes:
- Added support for Python 3.1 and 3.2. The conversion has also
brought several improvements:
- Added 'b' and 't' mode to large objects: write can deal with both
bytes strings and unicode; read can return either bytes strings
or decoded unicode.
- COPY sends Unicode data to files implementing 'io.TextIOBase'.
- Improved PostgreSQL-Python encodings mapping.
- Added a few missing encodings: EUC_CN, EUC_JIS_2004, ISO885910,
ISO885916, LATIN10, SHIFT_JIS_2004.
- Dropped repeated dictionary lookups with unicode query/parameters.
- Improvements to the named cusors:
- More efficient iteration on named cursors, fetching 'itersize'
records at time from the backend.
- The named cursors name can be an invalid identifier.
- Improvements in data handling:
- Added 'register_composite()' function to cast PostgreSQL
composite types into Python tuples/namedtuples.
- Adapt types 'bytearray' (from Python 2.6), 'memoryview' (from
Python 2.7) and other objects implementing the "Revised Buffer
Protocol" to 'bytea' data type.
- The 'hstore' adapter can work even when the data type is not
installed in the 'public' namespace.
- Raise a clean exception instead of returning bad data when
receiving bytea in 'hex' format and the client libpq can't parse
them.
- Empty lists correctly roundtrip Python -> PostgreSQL -> Python.
- Other changes:
- 'cursor.description' is provided as named tuples if available.
- The build script refuses to guess values if 'pg_config' is not
found.
- Connections and cursors are weakly referenceable.
* Bug fixes
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