I just made an spkg for this that seems to work, so you could also do: sage -i http://sage.math.washington.edu/home/mhampton/PyWavelets-0.2.0.p0.spkg
Putting this in the experimental repository is now trac ticket 9932: http://trac.sagemath.org/sage_trac/ticket/9932 -Marshall Hampton On Sep 16, 11:51 pm, Minh Nguyen <nguyenmi...@gmail.com> wrote: > Hi, > > > > On Fri, Sep 17, 2010 at 12:07 PM, j wade <wade.jer...@gmail.com> wrote: > > I would like to use PyWavelets (http://www.pybytes.com/pywavelets/) in > > Sage. > > > I am running Sage 4.3.4 on Ubuntu 9.10. > > > I have installed python-pywt using Synaptic File Manager, but I am not > > sure what to do beyond this. I have refreshed the libraries, and > > tried > > > import scipy > > from scipy import pywt > > > and > > > import scipy > > import pywt > > > but neither command recognizes pywt. > > The above steps failed because by default Sage doesn't recognize > Python packages that you have installed system-wide. That is, the > package manager Synaptic installs packages system-wide, whereas the > packages (including Python ones) in Sage are installed specifically > under the SAGE_ROOT top-level directory. So when you issued > > import pywt > > from within a Sage session, Sage couldn't find pywt because PyWavelets > was not installed under a place where Sage would by default recognize. > > > If someone out there is using pywavelets with Sage, I'd appreciate it > > if you could let me know how you were able to get it to work. > > Here are the steps that should allow you to install and use PyWavelets > from within Sage. > > (1) Download a source release of PyWavelets > fromhttp://pypi.python.org/pypi/PyWavelets/. I downloaded > PyWavelets-0.2.0.tar.bz2 and uncompressed it. > > (2) Get the absolute path to your local Sage installation. In my case, it's > > /dev/shm/mvngu/sage-4.5.3 > > (3) Navigate to the top-level directory of the uncompressed PyWavelets > package and install it: > > $ cd /path/to/PyWavelets-0.2.0/ > $ /dev/shm/mvngu/sage-4.5.3/sage -python setup.py install > <installation messages> > > (4) Load Sage and start using PyWavelets: > > $ /dev/shm/mvngu/sage-4.5.3/sage > ---------------------------------------------------------------------- > | Sage Version 4.5.3, Release Date: 2010-09-04 | > | Type notebook() for the GUI, and license() for information. | > ---------------------------------------------------------------------- > sage: import pywt > sage: pywt.families() > ['haar', 'db', 'sym', 'coif', 'bior', 'rbio', 'dmey'] > sage: w = pywt.Wavelet('db3') > sage: print w > Wavelet db3 > Family name: Daubechies > Short name: db > Filters length: 6 > Orthogonal: True > Biorthogonal: True > Symmetry: asymmetric > > -- > Regards > Minh Van Nguyen -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
