Fixed DB-API violation of execute-Method. Free resources after executemany. Tests against SQLite. Improved type handling.

This commit is contained in:
baztian
2011-01-26 13:28:47 +01:00
parent cd8b93ca27
commit 4884cc60d1
4 changed files with 131 additions and 60 deletions
+31 -16
View File
@@ -7,7 +7,7 @@ Author: Bastian Bowe
Author-email: bastian.bowe@gmail.com
License: GNU LGPL
Description: =====================================================================
JayDeBeApi - bridge from JDBC database drivers to Python DB-API
JayDeBeApi - bridge from JDBC database drivers to Python DB-API
=====================================================================
The JayDeBeApi module allows you to connect from Python code to
@@ -19,10 +19,6 @@ Description: ===================================================================
integration or on `Jython <http://www.jython.org/>`_ to make use of
the Java JDBC driver.
It has been tested with `Hypersonic SQL (HSQLDB)
<http://hsqldb.org/>`_ and `IBM DB2
<http://www.ibm.com/software/data/db2/>`_ for z/OS.
In contrast to zxJDBC from the Jython project JayDeBeApi let's you
access a database with Jython AND Python with only minor code
modifications. JayDeBeApi's future goal is to provide a unique and
@@ -37,7 +33,7 @@ Description: ===================================================================
You can get and install JayDeBeApi with `easy_install
<http://peak.telecommunity.com/DevCenter/EasyInstall>`_ ::
$ easy_install JayDeBeApi
$ easy_install JayDeBeApi
If you want to install JayDeBeApi in Jython make sure to have
EasyInstall available for it.
@@ -45,15 +41,15 @@ Description: ===================================================================
Or you can get a copy of the source branch using `bzr
<http://bazaar.canonical.com/>`_ by running ::
$ bzr branch lp:jaydebeapi
$ bzr branch lp:jaydebeapi
and install it with ::
$ python setup.py install
$ python setup.py install
or if you are using Jython use ::
$ jython setup.py install
$ jython setup.py install
It has been tested with Jython 2.5.2.
@@ -92,10 +88,11 @@ Description: ===================================================================
access the database driver's jar files. If I want to connect to a HSQL
in memory database on my Ubuntu machine I'm starting Python by running ::
$ JAVA_HOME=/usr/lib/jvm/java-6-openjdk python
$ JAVA_HOME=/usr/lib/jvm/java-6-openjdk python
Now I have to configure JPype
>>> import jpype
>>> jar = '/path/to/my/driver/hsqldb.jar'
>>> args='-Djava.class.path=%s' % jar
>>> jpype.startJVM(jvm_path, args)
@@ -106,6 +103,19 @@ Description: ===================================================================
>>> import sys
>>> sys.path.append(jar)
Supported databases
===================
In theory every database with a suitable JDBC driver should work. It
is known to work with the following databases:
* `SQLite 3 <http://www.sqlite.org/>`_ using `SqliteJDBC
<http://www.zentus.com/sqlitejdbc/>`_ v056
* `Hypersonic SQL (HSQLDB) <http://hsqldb.org/>`_ 1.8.1.3
* `IBM DB2 <http://www.ibm.com/software/data/db2/>`_ for z/OS using
JDBC type 4 drivers.
Contributing
============
@@ -124,27 +134,32 @@ Description: ===================================================================
Changelog
=========
- trunk
- Fixed DB-API_ violation: Use ``curs.execute('foo ?', (bar, baz))``
instead of ``curs.execute('foo ?', bar, baz)``.
- 0.1.2
- ``easy_install JayDeBeApi`` should really work
- ``easy_install JayDeBeApi`` should really work
- 0.1.1
- Fixed bug #688290 "NULL values with converters error on fetch."
- Fixed bug #684909 "Selecting ROWIDs errors out on fetch."
- Fixed bug #688290 "NULL values with converters error on fetch."
- Fixed bug #684909 "Selecting ROWIDs errors out on fetch."
- 0.1
- Initial release
- Initial release
To do
=====
- Extract Java calls to seperate Java methods to increase performance.
- Check if https://code.launchpad.net/dbapi-compliance can help making
JayDeBeApi more DB-API complient.
JayDeBeApi more DB-API complient.
- Test it on different databases and provide a flexible db specific
pluign mechanism.
pluign mechanism.
- SQLAlchemy modules (seperate project)
.. _DB-API: http://www.python.org/dev/peps/pep-0249/