Mailman 3 November 2011 - Python-announce-list

HTSQL 2.1-RC1 : A Query Language for the Accidental Programmer
by Clark C. Evans 15 Dec '11

15 Dec '11

We'd like to announce the release candidate for HTSQL 2.1, a high-level query language and web service gateway for relational databases. HTSQL is specifically designed for analytical inquiries and targeted to data analysts and web developers. HTSQL is implemented as a WSGI component, works with PostgreSQL, MySQL, SQLite and could be used to embed ad-hoc reporting features into your Python application. Homepage: http://htsql.org Download: http://pypi.python.org/pypi/HTSQL/ Source: http://bitbucket.org/prometheus/htsql Since 2.0 release, announced in February, we added many new language features which increase the "query power" of the language. HTSQL is now able to express quite sophisticated business inquiries. The 2.2 release of HTSQL later this year will be focused on "usability". It'll include improved configuration, a query editor and formatting options. Also for this release we've cleaned up the homepage for HTRAF -- a javascript toolkit for constructing attractive dashboards and interactive reports. This toolkit is MIT licensed and implemented as a JQuery plugin. For more detail, please visit http://htraf.org. Let's us know if you have any questions! Clark C. Evans & Kirill Simonov *********************************************************** HTSQL -- A Query Language for the Accidental Programmer *********************************************************** HTSQL ("Hyper Text Structured Query Language") is a high-level query language for relational databases. The target audience for HTSQL is the accidental programmer -- one who is not a SQL expert, yet needs a usable, comprehensive query tool for data access and reporting. HTSQL is also a web service which takes a request via HTTP, translates it into a SQL query, executes the query against a relational database, and returns the results in a format requested by the user agent (JSON, CSV, HTML, etc.). Use of HTSQL with open source databases (PostgreSQL, MySQL, SQLite) is royalty free under BSD-style conditions. Use of HTSQL with proprietary database systems (Oracle, Microsoft SQL) requires a commercial license. See ``LICENSE`` for details. For installation instructions, see ``INSTALL``. For list of new features in this release, see ``NEWS``. HTSQL documentation is in the ``doc`` directory. http://htsql.org/ The HTSQL homepage http://htsql.org/doc/introduction.html Get taste of HTSQL http://htsql.org/doc/tutorial.html The HTSQL tutorial http://bitbucket.org/prometheus/htsql HTSQL source code irc://irc.freenode.net#htsql IRC chat in #htsql on freenode http://lists.htsql.org/mailman/listinfo/htsql-users The mailing list for users of HTSQL HTSQL is copyright by Prometheus Research, LLC. HTSQL is written by Clark C. Evans <cce(a)clarkevans.com> and Kirill Simonov <xi(a)resolvent.net>. Generous support for HTSQL was provided by the Simons Foundation. This material is also based upon work supported by the National Science Foundation under Grant #0944460.

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ANN: gcc-python-plugin 0.7
by David Malcolm 29 Nov '11

29 Nov '11

gcc-python-plugin is a plugin for GCC 4.6 onwards which embeds the CPython interpreter within GCC, allowing you to write new compiler warnings in Python, generate code visualizations, etc. It ships with "cpychecker", which implements static analysis passes for GCC aimed at finding bugs in CPython extensions. In particular, it can automatically detect reference-counting errors: http://gcc-python-plugin.readthedocs.org/en/latest/cpychecker.html Highlights of this release: * You can now create custom GCC attributes from Python, allowing you to add custom high-level annotations to a C API, and to write Python scripts that will verify these properties. * The "cpychecker" code has too many improvements to list here, and has now detected many reference-counting bugs in real-world CPython extension code. Some success stories can be seen at: http://gcc-python-plugin.readthedocs.org/en/latest/success.html The usability and signal:noise ratio is greatly improved over previous releases. It can now emit HTML reports showing the path of execution through a function that triggers a particular error. For more information you can read detailed notes on this release at: http://readthedocs.org/docs/gcc-python-plugin/en/latest/0.7.html Tarball releases are available at: https://fedorahosted.org/releases/g/c/gcc-python-plugin/ Prebuilt-documentation can be seen at: http://gcc-python-plugin.readthedocs.org/en/latest/index.html The project's homepage is: https://fedorahosted.org/gcc-python-plugin/ The plugin and checker are Free Software, licensed under the GPLv3 or later. Thanks to Red Hat for funding their development. If you're using Fedora, pre-built RPMs of the plugin should be hitting the repositories shortly. Enjoy! Dave Malcolm

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[ANN] Android Debug Bridge (ADB) Scripting Language For Android (SL4A) convenience library
by Stef Mientki 27 Nov '11

27 Nov '11

hello, The information on ADB / SL4A is quiet overwhelming. Despite that, especially for people, not familiar with Linux, it's not an easy task to get their first program running. This library allows you to easy upload and run Python files on a Android device, without pressing any button on the Android device. After installing SL4A and Py4A on the Android device, and ADB on the hostmachine, it's just a matter of connecting the USB cable between Android device and host-PC, and run the program. One of the simplest program that will run out of the box (without touching any button on the Android device) : # ***************************************************** from adb_sl4a_support import ADB_Connection ADB = ADB_Connection () print ADB # Create a simple program Simple_Program = """ import android droid = android.Android (( '%s', %s )) droid.makeToast ( "Wasn't that easy?") """ % ( ADB.SL4A_Servers [-1][0], ADB.SL4A_Servers [-1][1] ) # execute the program (this will run the program from the host PC !!) exec ( Simple_Program ) # ***************************************************** you can find the library here: http://code.google.com/p/pylab-works/downloads/detail?name=adb_sl4a_support… cheers, Stef

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ANN: Numexpr 2.0 released
by Francesc Alted 27 Nov '11

27 Nov '11

======================== Announcing Numexpr 2.0 ======================== Numexpr is a fast numerical expression evaluator for NumPy. With it, expressions that operate on arrays (like "3*a+4*b") are accelerated and use less memory than doing the same calculation in Python. It wears multi-threaded capabilities, as well as support for Intel's VML library, which allows for squeezing the last drop of performance out of your multi-core processors. What's new ========== This version comes with support for the new iterator in NumPy (introduced in NumPy 1.6), allowing for improved performance in practically all the scenarios (the exception being very small arrays), and most specially for operations implying broadcasting, fortran-ordered or non-native byte orderings. The carefully crafted mix of the new NumPy iterator and direct access to data buffers turned out to be so powerful and flexible, that the internal virtual machine has been completely revamped around this combination. The drawback is that you will need NumPy >= 1.6 to run numexpr 2.0. However, NumPy 1.6 has been released more than 6 months ago now, so we think this is a good time for taking advantage of it. Many thanks to Mark Wiebe for such an important contribution! For some benchmarks on the new virtual machine, see: http://code.google.com/p/numexpr/wiki/NewVM Also, Gaëtan de Menten contributed important bug fixes, code cleanup as well as speed enhancements. Francesc Alted contributed some fixes, and added compatibility code with existing applications (PyTables) too. In case you want to know more in detail what has changed in this version, see: http://code.google.com/p/numexpr/wiki/ReleaseNotes or have a look at RELEASE_NOTES.txt in the tarball. Where I can find Numexpr? ========================= The project is hosted at Google code in: http://code.google.com/p/numexpr/ You can get the packages from PyPI as well: http://pypi.python.org/pypi/numexpr Share your experience ===================== Let us know of any bugs, suggestions, gripes, kudos, etc. you may have. Enjoy! -- Francesc Alted

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ANN: python-ldap 2.4.5
by Michael Ströder 25 Nov '11

25 Nov '11

Find a new release of python-ldap: http://pypi.python.org/pypi/python-ldap/2.4.4 python-ldap provides an object-oriented API to access LDAP directory servers from Python programs. It mainly wraps the OpenLDAP 2.x libs for that purpose. Additionally it contains modules for other LDAP-related stuff (e.g. processing LDIF, LDAPURLs and LDAPv3 schema). Project's web site: http://www.python-ldap.org/ Ciao, Michael. ---------------------------------------------------------------- Released 2.4.5 2011-11-25 Changes since 2.4.4: Installation: * defines for SASL and SSL in setup.cfg to be more friendly to Python setup tools (easy_install) Lib/ * Fixed typo in ldap.functions._ldap_function_call() which always released ldap._ldap_module_lock instead of local lock * ldap.controls.ppolicy: Fixed decoding the password policy response control Demo/ * Demo script for ldap.controls.ppolicy

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MailingLogger 3.6.0 Released!
by Chris Withers 25 Nov '11

25 Nov '11

I'm pleased to announce a new release of Mailinglogger. Mailinglogger provides two handlers for the standard python logging framework that enable log entries to be emailed either as the entries are logged or as a summary at the end of the running process. The handlers have the following features: - customisable and dynamic subject lines for emails sent - emails sent with a configurable headers for easy filtering - flood protection to ensure the number of emails sent is not excessive - support for SMTP servers that require authentication - fully documented and tested The only change for this release is to allow summaries sent by SummarisingLogger to contain messages logged at a lower level than those which triggered the summary to be emailed. Full docs can be found here: http://packages.python.org/mailinglogger/ For more information, please see: http://www.simplistix.co.uk/software/python/mailinglogger or http://pypi.python.org/pypi/mailinglogger cheers, Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk

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[RELEASED] six 1.1
by Benjamin Peterson 22 Nov '11

22 Nov '11

I'm pleased to announce the immediate availability of six 1.1.0. six is a small compatibility library for writing code that works on Python 2 and 3 without modification. six 1.1 features several incremental improvements over 1.0. The complete list of changes is: - Add the int2byte function for converting an int of value less than 256 to a bytes object. - Add compatibility mappings for iterators over the keys, values, and items of a dictionary. - Fix six.MAXSIZE on platforms where sizeof(long) != sizeof(Py_ssize_t). - Issue #3: Add six.moves mappings for filter, map, and zip. You can download six on PyPi: http://pypi.python.org/pypi/six The documentation is at: http://packages.python.org/six/ Please report bugs at: http://bitbucket.org/gutworth/six Regards, Benjamin

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JSONBOT 0.80.3 released
by Bart Thate 21 Nov '11

21 Nov '11

JSONBOT is a chatbot that can take commands and react to events on the network it is connected to (IRC, XMPP, WEB mostely). Push functionality is also provided (think RSS feeds to your IRC channel or XMPP conference). It is possible to program your own plugins to create custom functionality. source/docs ~~~~~~~~~~~ see http://jsonbot.org and http://jsonbot.googlecode.com make backup first ~~~~~~~~~~~~~~~~~ I added the jsb-backup program, please run this before starting the 0.80 bot. It will make a backup of your datadir into ~/jsb-backups changes ~~~~~~~ * GAE is no longer part of the standard distribution, as that is aimed at shell users as of 0.80 - use the mercurial repo if you want to use the GAE part of the bot * web console is now supported on shell - use the jsb-tornado program to launch a tornado web server bot on port 10102 * jsb-xmpp now supports OpenFire - use --openfire option to enable this * todo now uses per user databases instead of per channel - use the -c option to the todo command to show the channel todo * learn items are not global per default - use !learn-toglobal to copy local learn data to the global learndb * relay plugins has been rewritten to use bot.cfg.name as well - means that relays need to be created again * jsb-udpstripped program has been added that can be used to send udp data to the bot without the need of making config files (copy and edit it) * add fulljids = 1 to your xmpp bot config (most of the times in ~/.jsb/config/fleet/default-sxmpp/config) to enable full JID discovery in xmpp conference rooms (non anonymous) and: * lots of new plugins .. see !list ;] * lots of bug fixes - thnx everybody for reporting them * still lots of things to fix at 03:35 < jsonbot> tracker is http://code.google.com/p/jsonbot/issues/list If you find any problems or have feature request please post that on the tracker url above. Or try @botfather on #dunkbots on irc.freenode.net ;]

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StoryText (ex PyUseCase) 3.6.1 - GUI test tool written in Python
by Geoff Bache 21 Nov '11

21 Nov '11

Hi all, PyUseCase has been renamed to StoryText and a new release is out. The 3.6 release introduces support for Java Swing (via Jython), alongside the previous support for PyGTK, Tkinter, SWT and Eclipse RCP (also via Jython) and the prototype for wxPython. There's also some serious enhancements and bugfixes been done on the SWT /Eclipse RCP side, and some minor enhancements and bugfixes for PyGTK. Regards, Geoff Bache A bit more detail: StoryText is an unconventional GUI testing tool for PyGTK, Tkinter, wxPython, Swing and SWT along with a Python framework for testing GUIs in general. Instead of recording GUI mechanics directly, it asks the user for descriptive names and hence builds up a "domain language" along with a "UI map file" that translates this language into actions on the current GUI widgets. The point is to reduce coupling, allow very expressive tests, and ensure that GUI changes mean changing the UI map file but not all the tests. Instead of an "assertion" mechanism, it auto-generates a log of the GUI appearance and changes to it. The point is then to use that as a baseline for text-based testing, using TextTest. It also includes support for instrumenting code so that "waits" can be recorded, making it far easier for a tester to record correctly synchronized tests without having to explicitly plan for this. Homepage: http://www.texttest.org/index.php?page=ui_testing Download: http://sourceforge.net/projects/pyusecase Mailing list: https://lists.sourceforge.net/lists/listinfo/texttest-users Bugs: https://bugs.launchpad.net/storytext/ Source: https://code.launchpad.net/storytext/

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TextTest 3.22 -blackbox testing with a Python slant
by Geoff Bache 21 Nov '11

21 Nov '11

Dear all, There are quite a few enhancements and fixes in the latest release of TextTest, here's what I picked out as the most notable: 1) It now has an all-in-one Windows installer 2) The HTML report is more sophisticated, it has gained facilities for searching and filtering tests. See the example at http://texttest.carmen.se/include/documentation/documentation_3_22/htmlrepo… for what this looks like now. 3) There are new constructs to aid with complex run-dependent text and also with copying test data into the sandbox. Regards, Geoff Bache .... TextTest is a tool for automatic text-based functional testing. This means running a batch-mode executable in lots of different ways from the command line, and using the text output produced as a means of controlling the behavior of that application. As well as being usable "standalone", it is an extendable framework for black-box testing written in Python. It's also useful as a test management tool wrapping some other test tool as a test runner. Homepage: http://www.texttest.org Download: http://sourceforge.net/projects/texttest Mailing list: https://lists.sourceforge.net/lists/listinfo/texttest-users Bugs: https://bugs.launchpad.net/texttest Source: https://code.launchpad.net/texttest

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