[Numpy-discussion] ANN: New WinPython with Python 2.7.4 and 3.3.1 (32/64bit)

Pierre Raybaut pierre.raybaut at gmail.com
Fri May 3 15:48:25 EDT 2013

Hi all,

I am pleased to announce that four new versions of WinPython have been
released yesterday with Python 2.7.4 and 3.3.1, 32 and 64 bits. Many
packages have been added or upgraded (see the automatically-generated

Special thanks to Christoph Gohlke for building most of the binary packages
bundled in WinPython.

WinPython is a free open-source portable distribution of Python
for Windows, designed for scientists.

It is a full-featured (see
Python-based scientific environment:
  * Designed for scientists (thanks to the integrated libraries
NumPy, SciPy, Matplotlib, guiqwt, etc.:
    * Regular *scientific users*: interactive data processing
and visualization using Python with Spyder
    * *Advanced scientific users and software developers*:
Python applications development with Spyder, version control with
Mercurial and other development tools (like gettext)
  * *Portable*: preconfigured, it should run out of the box on any machine
under Windows (without any installation requirements) and the folder
containing WinPython can be moved to any location (local, network or
removable drive)
  * *Flexible*: one can install (or should I write "use" as it's portable)
as many WinPython versions as necessary (like isolated and self-consistent
environments), even if those versions are running different versions of
Python (2.7, 3.3) or different architectures (32bit or 64bit) on the same
  * *Customizable*: using the integrated package manager (wppm,
as WinPython Package Manager), it's possible to install, uninstall
or upgrade Python packages (see
http://code.google.com/p/winpython/wiki/WPPM for
more details on supported package formats).

*WinPython is not an attempt to replace Python(x,y)*, this is
just something different (see
http://code.google.com/p/winpython/wiki/Roadmap): more flexible, easier to
maintain, movable and less invasive for the OS, but certainly less
user-friendly, with less packages/contents and without any integration to
Windows explorer [*].

[*] Actually there is an optional integration into Windows
explorer, providing the same features as the official Python installer
regarding file associations and context menu entry (this option may be
activated through the WinPython Control Panel), and adding shortcuts to
Windows Start menu.

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