Python-announce-list September 2015

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ANN nanpy-firmware 0.9.5.1
by Andrea Stagi 14 Sep '15

14 Sep '15

Hi everyone, Just two words to announce a little release for Nanpy firmware in case you got some errors during configuration. Nanpy is a framework to use your Arduino with Python, please check it out there: https://pypi.python.org/pypi/nanpy#downloads and github.com for source code: https://github.com/nanpy/

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numexpr 2.4.4 released
by Francesc Alted 14 Sep '15

14 Sep '15

========================= Announcing Numexpr 2.4.4 ========================= 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 MKL (Math Kernel Library), which allows an extremely fast evaluation of transcendental functions (sin, cos, tan, exp, log...) while squeezing the last drop of performance out of your multi-core processors. Look here for a some benchmarks of numexpr using MKL: https://github.com/pydata/numexpr/wiki/NumexprMKL Its only dependency is NumPy (MKL is optional), so it works well as an easy-to-deploy, easy-to-use, computational engine for projects that don't want to adopt other solutions requiring more heavy dependencies. What's new ========== This is a maintenance release which contains several bug fixes, like better testing on Python3 platform and some harmless data race. Among the enhancements, AppVeyor support is here and OMP_NUM_THREADS is honored as a fallback in case NUMEXPR_NUM_THREADS is not set. In case you want to know more in detail what has changed in this version, see: https://github.com/pydata/numexpr/blob/master/RELEASE_NOTES.rst Where I can find Numexpr? ========================= The project is hosted at GitHub in: https://github.com/pydata/numexpr You can get the packages from PyPI as well (but not for RC releases): http://pypi.python.org/pypi/numexpr Share your experience ===================== Let us know of any bugs, suggestions, gripes, kudos, etc. you may have. Enjoy data! -- Francesc Alted

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ANN: eGenix mxODBC Plone/Zope Database Adapter 2.2.3
by eGenix Team: M.-A. Lemburg 14 Sep '15

14 Sep '15

________________________________________________________________________ ANNOUNCING mxODBC Plone/Zope Database Adapter Version 2.2.3 for the Plone CMS and Zope server platform Available for Plone 4.0-4.3 and Plone 5.0, Zope 2.12 and 2.13, on Windows, Linux, Mac OS X, FreeBSD and other platforms This announcement is also available on our web-site for online reading: http://www.egenix.com/company/news/eGenix-mxODBC-Zope-DA-2.2.3-GA.html ________________________________________________________________________ INTRODUCTION The eGenix mxODBC Zope DA allows you to easily connect your Zope or Plone CMS installation to just about any database backend on the market today, giving you the reliability of the commercially supported eGenix product mxODBC and the flexibility of the ODBC standard as middle-tier architecture. The mxODBC Zope Database Adapter is highly portable, just like Zope itself, and provides a high performance interface to all your ODBC data sources, using a single well-supported interface on Windows, Linux, Mac OS X, FreeBSD and other platforms. This makes it ideal for deployment in ZEO Clusters and Zope hosting environments where stability and high performance are a top priority, establishing an excellent basis and scalable solution for your Plone CMS. Product page: http://www.egenix.com/products/zope/mxODBCZopeDA/ ________________________________________________________________________ NEWS The 2.2.3 release of our mxODBC Zope/Plone Database Adapter product is a patch level release of the popular ODBC database interface for Plone and Zope. It includes these enhancements and fixes: Feature Updates --------------- * We have integrated a new option to force serialized connects on a per Zope connection object basis. This can be used to work around bugs in ODBC drivers which are not fully thread-safe in the connect phase. The option is disabled per default. Driver Compatibility Enhancements --------------------------------- * ODBC driver compatibility updated. Upgraded to the latest mxODBC 3.3.5 release, adding compatibility enhancements for MS SQL Server. See the mxODBC 3.3.5 release announcements for full details. Installation Enhancements ------------------------- * Added pip install compatibility to mxODBC Zope DA by creating prebuilt archives and uploading a web installer to PyPI. This can be useful if you are installing Zope or Plone using a requirements.txt type approach, e.g. using pip install ThreadLock Products.ZSQLMethods egenix-mxodbc-zopeda * Enabled creating wheels from the prebuilt archives, which helps when running pip with the wheels package installed. pip then tries to build wheels during installation and caches them for future reuse. The complete list of changes is available on the mxODBC Zope DA changelog page. http://www.egenix.com/products/zope/mxODBCZopeDA/changelog.html mxODBC Zope DA 2.2.0 was released on 2014-12-11. Please see the mxODBC Zope DA 2.2.0 release announcement for all the new features we have added. http://www.egenix.com/company/news/eGenix-mxODBC-Zope-DA-2.2.0-GA.html For the full list of features, please see the mxODBC Zope DA feature list: http://www.egenix.com/products/zope/mxODBCZopeDA/#Features The complete list of changes is available on the mxODBC Zope DA changelog page. ________________________________________________________________________ UPGRADING Users are encouraged to upgrade to this latest mxODBC Plone/Zope Database Adapter release to benefit from the new features and updated ODBC driver support. We have taken special care not to introduce backwards incompatible changes, making the upgrade experience as smooth as possible. For major and minor upgrade purchases, we will give out 20% discount coupons going from mxODBC Zope DA 1.x to 2.2 and 50% coupons for upgrades from mxODBC 2.x to 2.2. After upgrade, use of the original license from which you upgraded is no longer permitted. Patch level upgrades (e.g. 2.2.0 to 2.2.3) are always free of charge. Please contact the eGenix.com Sales Team with your existing license serials for details for an upgrade discount coupon. If you want to try the new release before purchase, you can request 30-day evaluation licenses by visiting our web-site 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. http://www.egenix.com/products/python/mxODBCZopeDA/#Evaluation ________________________________________________________________________ DOWNLOADS Please visit the eGenix mxODBC Zope DA product page for downloads, instructions on installation and documentation of the packages: http://www.egenix.com/company/products/zope/mxODBCZopeDA/ If you want to try the package, please jump straight to the download instructions: http://www.egenix.com/products/zope/mxODBCZopeDA/#Download Fully functional evaluation licenses for the mxODBC Zope DA are available free of charge: http://www.egenix.com/products/zope/mxODBCZopeDA/#Evaluation ________________________________________________________________________ SUPPORT Commercial support for this product is available directly from eGenix.com. Please see the support section of our website for details: http://www.egenix.com/services/support/ ________________________________________________________________________ MORE INFORMATION For more information on eGenix mxODBC Zope DA, licensing and download instructions, please write to sales(a)egenix.com. About eGenix (http://www.egenix.com/): eGenix is a software project, consulting and product company focusing on expert project services and professional quality products for companies, Python users and developers. Enjoy, -- Marc-Andre Lemburg eGenix.com Professional Python Services directly from the Source (#1, Sep 14 2015) >>> Python Projects, Coaching and Consulting ... http://www.egenix.com/ >>> mxODBC Plone/Zope Database Adapter ... http://zope.egenix.com/ >>> mxODBC, mxDateTime, mxTextTools ... http://python.egenix.com/ ________________________________________________________________________ 2015-09-18: PyCon UK 2015 ... 4 days to go 2015-10-21: Python Meeting Duesseldorf ... 37 days to go ::::: Try our 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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xlwings v0.4.0 adds reliable support for multiple instances on Windows
by Felix Zumstein 13 Sep '15

13 Sep '15

I am pleased to announce the release of xlwings v0.4.0: The most important update with this release was made on Windows: The methodology used to make a connection to Workbooks has been completely replaced. This finally allows xlwings to reliably connect to multiple instances of Excel even if the Workbooks are opened from untrusted locations (network drives or files downloaded from the internet). This gets rid of the dreaded "Filename is already open..." error message that was sometimes shown in this context. It also allows the VBA hooks ("RunPython") to work correctly if the very same file is opened in various instances of Excel. Check the Release Notes for full details: http://docs.xlwings.org/whatsnew.html About xlwings: xlwings is a BSD-licensed python library that makes it easy to call python from Excel and vice versa: Interact with Excel from python using a syntax that is close to VBA yet pythonic. Replace your VBA macros with python code and still pass around your workbooks as easily as before. xlwings fully supports NumPy arrays and Pandas DataFrames. It works with Microsoft Excel on Windows and Mac. http://xlwings.org

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[RELEASED] Python 3.5.0 is now available
by Larry Hastings 13 Sep '15

13 Sep '15

On behalf of the Python development community and the Python 3.5 release team, I'm proud to announce the availability of Python 3.5.0. Python 3.5.0 is the newest version of the Python language, and it contains many exciting new features and optimizations. You can read all about what's new in Python 3.5.0 here: https://docs.python.org/3.5/whatsnew/3.5.html And you can download Python 3.5.0 here: https://www.python.org/downloads/release/python-350/ Windows and Mac users: please read the important platform-specific "Notes on this release" section near the end of that page. We hope you enjoy Python 3.5.0! //arry/

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Trac 1.0.9 released
by Ryan Ollos 11 Sep '15

11 Sep '15

Trac 1.0.9 Released =================== Trac 1.0.9, the latest maintenance release for the current stable branch, is available. You will find this release at the usual places: http://trac.edgewall.org/wiki/TracDownload#LatestStableRelease https://pypi.python.org/pypi/Trac/1.0.9 Trac 1.0.9 provides more than a dozen minor fixes and enhancements, including significantly reduced memory usage by the Git repository connector. You can find the detailed release notes for 1.0.9 on the following pages: http://trac.edgewall.org/wiki/TracDev/ReleaseNotes/1.0#MaintenanceReleases Now to the packages themselves: URLs: http://download.edgewall.org/trac/Trac-1.0.9.tar.gz http://download.edgewall.org/trac/Trac-1.0.9.win32.exe http://download.edgewall.org/trac/Trac-1.0.9.win-amd64.exe http://download.edgewall.org/trac/Trac-1.0.9.zip MD5 sums: 429d9aa79e3d939add7963ca9a7deb57 Trac-1.0.9.tar.gz 9801dbb0b93d22294d82ad7cc2d33829 Trac-1.0.9.win32.exe db1c35aa95fda539e6b7365fb5af4780 Trac-1.0.9.win-amd64.exe 0bb8ceffe7dbe6211a3887e42a1be972 Trac-1.0.9.zip SHA1 sums: a22c4f648c2f0adf7ca166aa5c01b0142bccbef0 Trac-1.0.9.tar.gz caa4d0c96a456c8a9427c9bd0db8d665b911d50a Trac-1.0.9.win32.exe 3a82ccc0fdf3dc8ca9077cb3432464a3ff2547e6 Trac-1.0.9.win-amd64.exe ac338b2fde74df9ab19948d1caf6d25cc0e37622 Trac-1.0.9.zip Acknowledgements ================ Many thanks to the growing number of people who have, and continue to, support the project. Also our thanks to all people providing feedback and bug reports that helps us make Trac better, easier to use and more effective. Without your invaluable help, Trac would not evolve. Thank you all. Finally, we offer hope that Trac will prove itself useful to like-minded programmers around the world, and that this release will be an improvement over the last version. Please let us know. /The Trac Team http://trac.edgewall.org/

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ANN python-taiga 0.6.0
by Andrea Stagi 11 Sep '15

11 Sep '15

Python-taiga 0.6.0 released! python-taiga is a python module for communicating with Taiga.io, a new project management platform! For more info https://taiga.io/ This release includes: - Allow client to use application tokens - Add list attachments to user stories, tasks, issues - Support new like/unlike methods - New add_comment method for user stories, tasks, issues - Fix "version" attribute problem (now automagically managed) - Minor fixes You can find python-taiga code on Github https://github.com/nephila/python-taiga Any kind of contribution is appreciated! :) -- Andrea Stagi (@4stagi) - Develover @Nephila Job profile: http://linkedin.com/in/andreastagi Website: http://4spills.blogspot.it/ Github: http://github.com/astagi

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Karlsruhe (Germany) Python User Group, September 18th 2015, 7pm
by Jürgen A. Erhard 11 Sep '15

11 Sep '15

The Karlsruhe Python User Group (KaPy) meets again. Friday, 2015-09-18 (September 18th) at 19:00 (7pm) in the rooms of Entropia eV (the local affiliate of the CCC). See http://entropia.de/wiki/Anfahrt on how to get there. For your calendars: meetings are held monthly, on the 3rd Friday. There's also a mailing list at https://lists.bl0rg.net/cgi-bin/mailman/listinfo/kapy.

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quicktions 1.0 - fast Fractions data type for rational numbers
by Stefan Behnel 10 Sep '15

10 Sep '15

quicktions 1.0 has been released, the cythonized version of 'fractions.Fraction'. It works with CPython 2.6 - 3.5. Get it from PyPI: https://pypi.python.org/pypi/quicktions Python’s Fraction data type is an excellent way to do exact fractional and money calculations and largely beats Decimal in terms of simplicity, accuracy and safety. Clearly not in terms of speed, though, given the cdecimal accelerator in Py3.3+. "quicktions" is an adaptation of the original fractions module (as included in CPython 3.5) that is compiled and optimised with Cython into a fast, native extension module. Compared to the standard library ‘fractions’ module in Py2.7 and Py3.4, "quicktions" is currently about 10x faster, and still about 6x faster than the current version in Python 3.5. It’s also about 15x faster than the (Python implemented) decimal module in Py2.7. For documentation, see the Python standard library’s fraction module: https://docs.python.org/3.5/library/fractions.html Have fun! Stefan

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devpi-server-2.3.0: changed pypi caching, semantic versioning
by holger krekel 10 Sep '15

10 Sep '15

devpi-server-2.3: more resilient pypi caching, semantic versioning ============================================================================ The devpi-server-2.3 release brings two important changes: - We don't use the XMLRPC "changelog" interface of pypi.python.org anymore. Instead devpi-server now re-checks with pypi every 30 minutes and will serve cached contents in between. If pypi is not reachable and we still have cached contents we continue serving the cached content so that we can survive pypi outages. - we switched to semantic versioning so that only major version number increases signal the need for an export/import cycle. If you have a devpi-server-2.2.X installation you are not required to export/import. However, there has been a regression with the execnet-1.4.0 release which was fixed with the now current execnet-1.4.1 release. If you have freshly setup devpi-server and used execnet-1.4.0 at that time you will need to do an export with execnet-1.4.0 and then import with execnet-1.4.1 installed. Note also that we released new micro releases of devpi-client and devpi-web which are pure bugfixing releases. For many more changes and fixes, please see the respective CHANGELOG of the respective packages. For docs and quickstart tutorials see http://doc.devpi.net many thanks to Florian Schulze who any of the new features. And special thanks go to the two still unnamed companies who funded major parts of the above work. have fun, holger krekel, merlinux GmbH 2.3.0 (2015-09-10) ------------------ - switched to semantic versioning. Only major revisions will ever require an export/import cycle. - fix issue260: Log identical upload message on level "info" - Log upload trigger message on level "warn" - The PyPI changelog isn't watched for changes anymore. Instead we cache release data for 30 minutes, this can be adjusted with the ``--mirror-cache-expiry`` option. - fix issue251: Require and validate the "X-DEVPI-SERIAL" from master in replica thread - fix issue258: fix FileReplicationError representation for proper logging - fix issue256: if a project removes all releases from pypi or the project is deleted on pypi, we get a 404 back. In that case we now return an empty list of releases instead of returning an UpstreamError. - Change nginx template to serve HEAD in addition to GET requests of files directly instead of proxying to devpi-server - make keyfs cache size configurable via "--keyfs-cache-size" option and increase the default size to improve performance for installations with many writes

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Python-announce-list September 2015