Python-announce-list September 2009

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57 participants
77 discussions

First release of pyfsevents
by Nicolas Dumazet 03 Sep '09

03 Sep '09

Hello! I am proud to announce the first release of pyfsevents, a C extension providing a Python interface to the FSEvents API. FSEvents is an Apple framework for Mac OS X >= 10.5 allowing monitoring of file system events on Mac OS platforms. * URL: http://pypi.python.org/pypi/pyfsevents * Mercurial repository: http://bitbucket.org/nicdumz/fsevents/ This extension was developed during a Google Summer of Code project [1] for Mercurial, to improve its inotify extension [2] As it is its first release I would welcome warmly any kind of feedback on that extension. Tests, code comments, feedback on the offered API, its documentation, distribution, etc... Anything, please let me know :) [1] http://socghop.appspot.com/student_project/show/google/gsoc2009/hg/t1240224… [2] http://mercurial.selenic.com/wiki/InotifyExtension -- Nicolas Dumazet — NicDumZ

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Python-URL! - weekly Python news and links (Sep 2)
by Gabriel Genellina 02 Sep '09

02 Sep '09

QOTW: "I like how being very friendly means calling people after a guy who tried to blow up the English Parliament." - Carl Banks http://groups.google.com/group/comp.lang.python/browse_thread/thread/7a190c… unichr/ord cannot handle characters outside the BMP in a narrow build: http://groups.google.com/group/comp.lang.python/t/2fe770303f1d85ea/ How to determine if a class implements a particular interface: http://groups.google.com/group/comp.lang.python/t/27ea61dd2aaa0fcb/ Igor Novikov provides a lovely small pure-Python extension to manage ARGB cursors in Tkinter. http://tkinter.unpy.net/wiki/tkXcursor Why does `some_integer += 1` create a new integer object instead of incrementing the current value? http://groups.google.com/group/comp.lang.python/t/25b921e3b00ec2ae/ Iterating and mutating a list from two or more threads: http://groups.google.com/group/comp.lang.python/t/b19381a806007f4d/ Mapping message identifiers to methods: http://groups.google.com/group/comp.lang.python/t/8f7f1771945b4add/ A class definition doesn't introduce a new lexical scope - and that's a Good Thing [long thread]: http://groups.google.com/group/comp.lang.python/t/2cd187fa256744fe/ A clean way of adding directories to the module search path: http://groups.google.com/group/comp.lang.python/t/9052cc623088bdb2/ Recipe: convert an existing module into a package or sub-package http://groups.google.com/group/comp.lang.python/t/9919cf2a60722344/ Tools for designing professional-looking applications for Windows: http://groups.google.com/group/comp.lang.python/t/d22dcd394ab08333/ The basics for doing Web applications in Python: http://groups.google.com/group/comp.lang.python/t/1176ea4e6814f466/ What CAN'T be done in Python? http://groups.google.com/group/comp.lang.python/t/a368e85aa85ab436/ Favorite debugging tools? http://groups.google.com/group/comp.lang.python/t/1efb7b97d5d94d9b/ In 3.1, print() requires the terminal to be correctly configured with respect to locale settings: http://groups.google.com/group/comp.lang.python/t/8e666bb7eae9c859/ Idea: expand the for statement to accept additional, nested 'for's and an '= if' clause: http://groups.google.com/group/comp.lang.python/t/83b1d70457345877/ ======================================================================== Everything Python-related you want is probably one or two clicks away in these pages: Python.org's Python Language Website is the traditional center of Pythonia http://www.python.org Notice especially the master FAQ http://www.python.org/doc/FAQ.html PythonWare complements the digest you're reading with the marvelous daily python url http://www.pythonware.com/daily Just beginning with Python? This page is a great place to start: http://wiki.python.org/moin/BeginnersGuide/Programmers The Python Papers aims to publish "the efforts of Python enthusiasts": http://pythonpapers.org/ The Python Magazine is a technical monthly devoted to Python: http://pythonmagazine.com Readers have recommended the "Planet" sites: http://planetpython.org http://planet.python.org comp.lang.python.announce announces new Python software. Be sure to scan this newsgroup weekly. http://groups.google.com/group/comp.lang.python.announce/topics Python411 indexes "podcasts ... to help people learn Python ..." Updates appear more-than-weekly: http://www.awaretek.com/python/index.html The Python Package Index catalogues packages. http://www.python.org/pypi/ Much of Python's real work takes place on Special-Interest Group mailing lists http://www.python.org/sigs/ Python Success Stories--from air-traffic control to on-line match-making--can inspire you or decision-makers to whom you're subject with a vision of what the language makes practical. http://www.pythonology.com/success The Python Software Foundation (PSF) has replaced the Python Consortium as an independent nexus of activity. It has official responsibility for Python's development and maintenance. http://www.python.org/psf/ Among the ways you can support PSF is with a donation. http://www.python.org/psf/donations/ The Summary of Python Tracker Issues is an automatically generated report summarizing new bugs, closed ones, and patch submissions. http://search.gmane.org/?author=status%40bugs.python.org&group=gmane.comp.p… Although unmaintained since 2002, the Cetus collection of Python hyperlinks retains a few gems. http://www.cetus-links.org/oo_python.html Python FAQTS http://python.faqts.com/ The Cookbook is a collaborative effort to capture useful and interesting recipes. http://code.activestate.com/recipes/langs/python/ Many Python conferences around the world are in preparation. Watch this space for links to them. Among several Python-oriented RSS/RDF feeds available, see: http://www.python.org/channews.rdf For more, see: http://www.syndic8.com/feedlist.php?ShowMatch=python&ShowStatus=all The old Python "To-Do List" now lives principally in a SourceForge reincarnation. http://sourceforge.net/tracker/?atid=355470&group_id=5470&func=browse http://www.python.org/dev/peps/pep-0042/ del.icio.us presents an intriguing approach to reference commentary. It already aggregates quite a bit of Python intelligence. http://del.icio.us/tag/python Enjoy the *Python Magazine*. http://pymag.phparch.com/ *Py: the Journal of the Python Language* http://www.pyzine.com Dr.Dobb's Portal is another source of Python news and articles: http://www.ddj.com/TechSearch/searchResults.jhtml?queryText=python and Python articles regularly appear at IBM DeveloperWorks: http://www.ibm.com/developerworks/search/searchResults.jsp?searchSite=dW&se… Previous - (U)se the (R)esource, (L)uke! - messages are listed here: http://search.gmane.org/?query=python+URL+weekly+news+links&group=gmane.com… http://groups.google.com/groups/search?q=Python-URL!+group%3Acomp.lang.pyth… http://lwn.net/Search/DoSearch?words=python-url&ctype3=yes&cat_25=yes There is *not* an RSS for "Python-URL!"--at least not yet. Arguments for and against are occasionally entertained. Suggestions/corrections for next week's posting are always welcome. E-mail to <Python-URL(a)phaseit.net> should get through. To receive a new issue of this posting in e-mail each Monday morning (approximately), ask <claird(a)phaseit.net> to subscribe. Mention "Python-URL!". Write to the same address to unsubscribe. -- The Python-URL! Team-- Phaseit, Inc. (http://phaseit.net) is pleased to participate in and sponsor the "Python-URL!" project. Watch this space for upcoming news about posting archives.

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ANN: eGenix mxODBC - Python ODBC Database Interface 3.0.3
by eGenix Team: M.-A. Lemburg 01 Sep '09

01 Sep '09

________________________________________________________________________ ANNOUNCING eGenix.com mxODBC - Python ODBC Database Interface Version 3.0.3 mxODBC is our commercially supported Python extension providing ODBC database connectivity to Python applications on Windows and Unix platforms This announcement is also available on our web-site for online reading: http://www.egenix.com/company/news/eGenix-mxODBC-3.0.3-GA.html ________________________________________________________________________ INTRODUCTION mxODBC provides an easy-to-use, high-performance, reliable and robust Python interface to ODBC compatible databases such as MS SQL Server, MS Access, Oracle Database, IBM DB2 and Informix , Sybase ASE and Sybase Anywhere, MySQL, PostgreSQL, SAP MaxDB and many more. The "eGenix mxODBC - Python ODBC Database Interface" product is a commercial extension to our open-source eGenix mx Base Distribution. * About Python (http://www.python.org/): Python is an object-oriented Open Source programming language which runs on all modern platforms. By integrating ease-of-use, clarity in coding, enterprise application connectivity and rapid application design, Python establishes an ideal programming platform for today's IT challenges. * About eGenix (http://www.egenix.com/): eGenix is a software project, consulting and product company focusing on expert services and professional quality products for companies, Python users and developers. ________________________________________________________________________ NEWS mxODBC 3.0.3 is a patch-level release and includes the following updates: * Python 2.3 - 2.6 support: mxODBC 3.0 is available for Python 2.3, 2.4, 2.5 and 2.6. We ship binaries for Windows, Linux, Mac OS X, AIX, Solaris, and offer custom porting services for most other platforms. * Enhanced support for using cursors as iterators: mxODBC cursor objects can now be used as iterators to iterate over result sets. While this was already possible in previous versions using wrappers, we have now added direct iterator support to the cursor objects themselves. * Updated work-arounds for various ODBC drivers: eGenix always aims to make using mxODBC as easy and robust as possible. For this reason, we regularly add or update work-arounds for problems found in recent ODBC driver versions. This release includes new work-arounds for the MySQL ODBC driver running on 64-bit Linux, the SQL Server 200 ODBC driver and the FileMaker ODBC driver. For the full set of changes please check the mxODBC change log: http://www.egenix.com/products/python/mxODBC/changelog.html For the full set of features mxODBC has to offer, please see: http://www.egenix.com/products/python/mxODBC/#Features ________________________________________________________________________ DOWNLOADS The download archives and instructions for installing the package can be found at: http://www.egenix.com/products/python/mxODBC/ In order to use the eGenix mxODBC package you will first need to install the eGenix mx Base package: http://www.egenix.com/products/python/mxBase/ ________________________________________________________________________ UPGRADING You are encouraged to upgrade to this latest mxODBC release, especially if you are using MS SQL Server or Informix as database server. Customers who have purchased mxODBC 3.0 licenses can download and install this patch-level release on top of their existing installations. The licenses will continue to work with version 3.0.2. Users of mxODBC 2.0 will have to purchase new licenses from our online shop in order to upgrade to mxODBC 3.0.2. You can request 30-day evaluation licenses by visiting our web-site at http://www.egenix.com/products/python/mxODBC/#Evaluation or writing to sales(a)egenix.com, stating your name (or the name of the company) and the number of eval licenses that you need. _______________________________________________________________________ SUPPORT Commercial support for this product is available from eGenix.com. Please see http://www.egenix.com/services/support/ for details about our support offerings. Enjoy, -- Marc-Andre Lemburg eGenix.com Professional Python Services directly from the Source (#1, Sep 01 2009) >>> Python/Zope Consulting and Support ... http://www.egenix.com/ >>> mxODBC.Zope.Database.Adapter ... http://zope.egenix.com/ >>> mxODBC, mxDateTime, mxTextTools ... http://python.egenix.com/ ________________________________________________________________________ ::: Try our new mxODBC.Connect Python Database Interface for free ! :::: eGenix.com Software, Skills and Services GmbH Pastor-Loeh-Str.48 D-40764 Langenfeld, Germany. CEO Dipl.-Math. Marc-Andre Lemburg Registered at Amtsgericht Duesseldorf: HRB 46611 http://www.egenix.com/company/contact/

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Jython 2.5.1 Release Candidate 1 is out!
by Frank Wierzbicki 01 Sep '09

01 Sep '09

On behalf of the Jython development team, I'm pleased to announce that Jython 2.5.1rc1 is available for download: https://sourceforge.net/projects/jython/files/jython/2.5.1rc1/jython_instal…. See the http://wiki.python.org/jython/InstallationInstructions for installation instructions. Jython 2.5.1rc1 fixes a number of bugs, including some major errors when using coroutines and when using relative imports. Please see the NEWS file for detailed release notes. Please report any bugs that you find here http://bugs.jython.org. Thanks!

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ANN: PyBindGen 0.12 released
by Gustavo Carneiro 01 Sep '09

01 Sep '09

PyBindGen is a Python module that is geared to generating C/C++ code that binds a C/C++ library for Python. It does so without extensive use of either C++ templates or C pre-processor macros. It has modular handling of C/C++ types, and can be easily extended with Python plugins. The generated code is almost as clean as what a human programmer would write. It can be downloaded from: http://code.google.com/p/pybindgen/ Bug reports should be filed here: https://bugs.launchpad.net/pybindgen === pybindgen 0.12 === - Now we can catch C++ exceptions and translate them into Python - New API to add container iteration powers to wrapped C++ classes - Unary minus operator support (J. Michael Owen) - CppMethod: is_pure_virtual=True should imply is_virtual=True - More polish for numeric operators with non-class right operand - Virtual methods regressions fixed - gccxmlparser: don't try to wrap private/protected operators - MSVC compilation fix - unsigned long type handlers (J. Michael Owen) - tp_len/__len__ works now with overloaded methods (J. Michael Owen) - Add foreign_cpp_namespace option to Function wrappers - Misc. cleanup and bug fixes -- Gustavo J. A. M. Carneiro INESC Porto, Telecommunications and Multimedia Unit "The universe is always one step beyond logic." -- Frank Herbert

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[ANN] Pida 0.6beta3
by poelzi 01 Sep '09

01 Sep '09

Pida is an IDE (integrated development environment). Pida is different from other IDEs in that it will use the tools you already have available rather than attempting to reinvent each one. Pida has unique features like a pluggable editor component supporting Vim, Emacs and Medit currently. We are proud to announce the hopefully last beta of Pida 0.6. [1] It was a long time since beta2 and a lot of changes happened since then: == Core Highlights == " multiprocessing language plugins Language plugins can now use a multiprocessing infrastructure which allows expensive operations to be done on other cpu cores. This increases the speed of plugins like python_lint and python dramatically and do not make the gui sluggish anymore. " project file caches Projects now have a filecache which allows fast queries to filenames and filetypes. The QuickOpen plugin provides a gui for this, allowing the user to open files to which parts of the name, path or filetype are known " very precise feature selection from LanguagePlugins " better filemonitor support " new documentation (needs some gui work tho) " lot of speedups " lot of usability enhancements " lots and lots of fixes == New Plugins == " RegexpToolkit - helps you develop and analyze regular expressions " QuickOpen - fast file opener for project files " WayPoint - autogenerates waypoints when you surf and edit files and allows to jump back and forth [1] http://pida.co.uk/blog/0.6beta3

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CVE-2009-2701: Releases to fix ZODB ZEO server vulnerability
by Jim Fulton 01 Sep '09

01 Sep '09

A vulnerability has been found in the Zope Object Database (ZODB) Zope Enterprise Objects (ZEO) server implementation that allows any file readable by the server to be read by clients and any file removable by the server to be removed. The vulnerability only applies if - you are using ZEO to share a database among multiple applications or application instances, - you allow untrused clients to connect to your ZEO server, and - the ZEO server is configured to support blobs. The vulnerability was introduced in ZODB 3.8. Overview -------- This vulnerability is addressed by updates to ZODB. A new release of ZODB is available here: http://pypi.python.org/pypi/ZODB3/3.8.3 (There is also a new development release at http://pypi.python.org/pypi/ZODB3/3.9.0c2.) If you are using blobs, we recommend updating any ZEO storage servers you're running to ZODB 3.8.3 (or ZODB 3.9.0c2). These versions support ZEO clients as old as ZODB 3.2. It isn't necessary to update client software (such as Zope application servers). Restricting access to ZEO storage servers ----------------------------------------- It is very important to restrict write access to ZODB databases. These releases only protect against vulnerabilities in the ZEO network protocol. ZODB uses Python pickles to store data. Loading data from the database can cause arbitrary code to be executed as part of object deserialization. Clients have full access to manipulate database data. For this reason, it is very important that only trusted clients be allowed to write to ZODB databases. Jim -- Jim Fulton

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Python-announce-list September 2009