[RELEASE] Python 3.8.0a1 is now available for testing

[Łukasz Langa]

I packaged my first release. *wipes sweat off of face*

Go get it here:
https://www.python.org/downloads/release/python-380a1/

Python 3.8.0a1 is the first of four planned alpha releases of Python 3.8,
the next feature release of Python.  During the alpha phase, Python 3.8
remains under heavy development: additional features will be added
and existing features may be modified or deleted.  Please keep in mind
that this is a preview release and its use is not recommended for
production environments.  The next preview release, 3.8.0a2, is planned
for 2019-02-24.

Apart from building the Mac installers, Ned helped me a lot with the
process, thank you!  Ernest was super quick providing me with all
required access and fixing a Unicode problem I found in Salt,
thank you!

Finally, this release was made on a train to Düsseldorf. There's a PyPy
sprint there. The train is pretty cool, makes this "Wasm! Wasm!" sound.

- Ł



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NumPy 1.16.1 release

[Charles R Harris]

Hi All,

On behalf of the NumPy team I'm pleased to announce the release of NumPy
1.16.1. This release fixes bugs reported against the 1.16.0 release, and
also backports several enhancements from master that seem appropriate for a
release series that is the last to support Python 2.7. The supported Python
versions are 2.7 and 3.5-3.7. The wheels on PyPI are linked with OpenBLAS
v0.3.4+,  which should fix the known threading issues found in previous
OpenBLAS versions. Downstream developers building this release should use
Cython >= 0.29.2 and, if using OpenBLAS, OpenBLAS > v0.3.4.

If you are installing using pip, you may encounter a problem with older
installed versions of NumPy that pip did not delete becoming mixed with the
current version, resulting in an *ImportError*. That problem is
particularly common on Debian derived distributions due to a modified pip.
The fix is to make sure all previous NumPy versions installed by pip have
been removed. See #12736   for
discussion of the issue. Note that previously this problem resulted in an
*AttributeError*.

Wheels for this release can be downloaded from PyPI
, source archives and release notes
are available from Github
.

*Enhancements*

* #12767: ENH: add mm->q floordiv
* #12768: ENH: port np.core.overrides to C for speed
* #12769: ENH: Add np.ctypeslib.as_ctypes_type(dtype), improve
`np.ctypeslib.as_ctypes`
* #12773: ENH: add "max difference" messages to
np.testing.assert_array_equal...
* #12820: ENH: Add mm->qm divmod
* #12890: ENH: add _dtype_ctype to namespace for freeze analysis

*Contributors*

A total of 16 people contributed to this release.  People with a "+" by
their
names contributed a patch for the first time.

* Antoine Pitrou
* Arcesio Castaneda Medina +
* Charles Harris
* Chris Markiewicz +
* Christoph Gohlke
* Christopher J. Markiewicz +
* Daniel Hrisca +
* EelcoPeacs +
* Eric Wieser
* Kevin Sheppard
* Matti Picus
* OBATA Akio +
* Ralf Gommers
* Sebastian Berg
* Stephan Hoyer
* Tyler Reddy

Cheers,

Charles Harris
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EPS: Announcing the Guido van Rossum Core Developer Grant

[M.-A. Lemburg]

At the last General Assembly of the EuroPython Society (EPS) at
EuroPython 2018 in Edinburgh, we voted on a new grant program we want
to put in place for future EuroPython conferences.

We all love Python and this is one of the main reasons we are putting
on EuroPython year after year, serving the "cast of thousands" which
support Python. But we also believe it is important to give something
back to the main team of developers who have contributed lots of their
time and energy to make Python happen: the Python Core Developers.

This group is small, works countless hours, often in their free time
and often close to burnout due to not enough new core developers
joining the team.

Free Tickets for Python Core Developers
---

To help with growing the team, putting it more into the spotlight and
give them a place to meet, demonstrate their work and a stage to
invite new developers, we decided to give Python Core Developers free
entry to future EuroPython conferences, starting with EuroPython 2019
in Basel, Switzerland

In recognition of Guido’s almost 20 years of leading this team, and
with his permission, we have named the grant “Guido van Rossum Core
Developer Grant”.

Details of the grant program are available on our core grant page:

https://www.europython-society.org/core-grant

PS: If you are a core developer and want to organize a workshop,
language summit or similar event at EuroPython 2019, please get in
touch with our program workgroup (prog...@europython.eu) soon, so that
we can arrange rooms, slots, etc.

PPS: If you want to become a core developer, please have a look at the
Python Dev Guide:

https://devguide.python.org/coredev/



Help spread the word


Please help us spread this message by sharing it on your social
networks as widely as possible. Thank you !

Link to the blog post:

https://www.europython-society.org/post/182445627020/announcing-the-guido-van-rossum-core-developer

Tweet:

https://twitter.com/europythons/status/1090901995635073024


Enjoy,
--
EuroPython Society
https://ep2019.europython.eu/
https://www.europython-society.org/

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[ANN] pvlib-python v0.6.1: predicting power from PV (renweable solar energy)

[Mark Alexander Mikofski]

pvlib-0.6.1 is now available

PyPI:
https://pypi.org/project/pvlib/

Read the Docs:
https://pvlib-python.readthedocs.io/en/latest/

GitHub:
https://github.com/pvlib/pvlib-python


-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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pytest 4.2.0 released

[Bruno Oliveira]

The pytest team is proud to announce the 4.2.0 release!

pytest is a mature Python testing tool with more than a 2000 tests
against itself, passing on many different interpreters and platforms.

This release contains a number of bugs fixes and improvements, so users are
encouraged
to take a look at the CHANGELOG:

https://docs.pytest.org/en/latest/changelog.html

For complete documentation, please visit:

https://docs.pytest.org/en/latest/

As usual, you can upgrade from pypi via:

pip install -U pytest

Thanks to all who contributed to this release, among them:

* Adam Uhlir
* Anthony Sottile
* Bruno Oliveira
* Christopher Dignam
* Daniel Hahler
* Joseph Hunkeler
* Kristoffer Nordstroem
* Ronny Pfannschmidt
* Thomas Hisch
* wim glenn


Happy testing,
The Pytest Development Team
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