Perhaps you passed along that option? Debian and derivatives The easiest way to install Kwant on a Debian system is using the pre-built packages we provide. There were a few oddities this time around: - matplotlib now requires pyparsing. We recommend to use the packages kindly provided by Christoph Gohlke. If you are a windows user, you can ignore this since we build support into the matplotlib single click installer. For immediate help type H. There are soft and hard limits for file handles and processes on Linux.
When mpl tried to 'import pyparsing', it found that version, and raised an error. My plan was now to build Slicer on my own such that I also have a Python. I consider myself quite savvy, but hey, I am having a hard time. Matplotlib requires and for rendering text with LaTeX. I personnally would find it very useful, but the makefile needs a bit of love.
But that only applies to users of git in which case this is very often an issue , and not users who download the tarball or package. This file will be particularly useful to those packaging matplotlib. It's not clear what's going on here -- will have to think on it. Python extensions are recommended to be compiled with the same compiler. This is usually included by default with the operating system. Yum does help resolve dependencies but the packages are sometimes out of date.
Thanks anyway for you advice. While the installation worked well for some packages e. For immediate help type H. For immediate help type H. However, there are many examples that are not included in the Windows installer. The following instructions have been verified to work on Debian 7 Wheezy or newer, and on Ubuntu 12.
None of this is new -- we've gone through 5 release candidates over many weeks. I had a stale pyparsing. See for more details on the optional matplotlib backends and the capabilities they provide. Unfortunately it doesn't work; on 10. This means you can set them if your toolchain is prefixed. Support is not provided for 32-bit operating systems; the setup will only proceed if the operating system is 64 bit. Many organizations do this to increase performance and capacity without having to buy and configure new hardware.
Expert users may find it helpful to build Kwant from source, as this will also allow them to customize Kwant to use certain optimized versions of libraries. Optional These are optional packages which you may want to install to use matplotlib with a user interface toolkit. If you want to try the many demos that come in the matplotlib source distribution, download the zip file and look in the examples subdirectory. Is it that you had 2. Now you are done, you can import kwant from within Python scripts.
That said, depending on the platform there is way around it. Is it that you had 2. If master, I'm not sure what the cause would be. This is not strictly required, but can make installation go more smoothly if the libraries and headers are not in the expected locations. That's probably related to pyparsing 2. Falling back to Bitstream Vera Sans prop. If you do this, a will return a warning indicating that you should not install as root.
I have appended the test log. Used to manipulate time-zone aware datetimes. To avoid wading through all the details and potential complications on this page, the easiest thing for you to do is use one of the pre-packaged python distributions that already provide matplotlib built-in. This directory must have read, write, and execute permissions enabled. It is possible to compile Kwant on Windows using non-free compilers, however we the authors of Kwant have no experience with this. For example, which default backend to use, whether some of the optional libraries that matplotlib ships with are installed, and so on. The only prerequisite is that they are importable from python.
Red Hat Enterprise Linux Server requirements The following packages are required. With the Enthought edition of python + matplotlib installer, the following backends should work out of the box: agg, wx, wxagg, tkagg, ps, pdf and svg. Building on Windows The Python shipped from is compiled with Visual Studio 2008 for versions before 3. I suspect what changed is you don't include it anymore but I would have expected that change in earlier 1. Once you have python up and running, you will need to install. At the end of a very complicated process we obtained packages that worked, albeit unreliably. Falling back to Bitstream Vera Sans prop.
If there are insufficient file handles and processes, requests may start failing randomly, leading to system downtime. It for example includes an updated setuptools as well as pip. Check the third-party vendor for its virtualization support. You shouldn't run pip with sudo. Some remarks for homebrew are given below. Installing There are many different ways to install matplotlib, and the best way depends on what operating system you are using, what you already have installed, and how you want to use it.