[sage-support] Re: Umlauts in Notebook cells do not work (encoding problem)
Hello,
after reading Use Sage, not PowerPoint by Hector Villafuerte I created
a worksheet on
www.sagenb.org
with title TheUmlautProblem and published it.
It shows what happens and it happens also on sagenb. So I think it is
not related to our server. And someone with admin rights can examine
if there is a problem with the file created for the cells.
Please note that before I published the worksheet the Ü in the cells
were a Ü, after publishing, the Ü look like
� in the published document.
My workflow was
New worksheet
Edit, and I inserted everything in the Edit-Field.
Use, and evaluate the first two cells.
Then I published.
The content of the worksheet after a click on Edit should be:
TheUmlautProblem
system:sage
h1The Umlaut Problem/h1
pI really want to use umlauts like Ä,Ö,Ü, ä,ö,ü and ß inside Strings
and comments./p
{{{id=0|
print Ü
///
Traceback (most recent call last):
File stdin, line 1, in module
UnicodeDecodeError: 'utf8' codec can't decode byte 0xdc in position 0:
unexpected end of data
}}}
{{{id=1|
print Ue #print Ü
///
Traceback (most recent call last):
File stdin, line 1, in module
UnicodeDecodeError: 'utf8' codec can't decode byte 0xdc in position 0:
unexpected end of data
}}}
{{{id=3|
///
}}}
With best regards,
Lars Fischer
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[sage-support] Re: Umlauts in Notebook cells do not work (encoding problem)
Hello Michael, thanks for your answer. On Apr 12, 1:40 pm, mabshoff [EMAIL PROTECTED] dortmund.de wrote: Mmmh, the UTF8 in notebook cell bug was supposed to be fixed by #2399 which was merged in 2.10.3.rc3. It sounds like the problem is in the publishing step, so this sounds like you hit another bug. We will open a ticket once we have narrowed this down to what the issue is. Thanks for reporting this. See my screenshot from the first post, the intermediate files on our server have the encoding hint. It is a 2.11 version. I think there is some copying involved somewhere. My unqualified guess is that the write (around line 1380 in worksheet.py) # This magic comment at the very start of the file allows utf8 # characters in the file input = '# -*- coding: utf_8 -*-\n' + input open(tmp,'w').write(input) could be the reason. Perhaps some encode or decode input to ascii or unicode. Or set the encoding of the opened file object before write. The bug is not only in the publishing step. It also does not work for unpublished worksheets. I suppose the intermediate files for each cell are created in a not unicode aware way. With best regards, Lars Fischer --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Umlauts in Notebook cells do not work (encoding problem)
This is now tracked at: http://trac.sagemath.org/sage_trac/ticket/2896 Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=getsearch=0x8EF0DC99 _www: http://www.informatik.uni-bremen.de/~malb _jab: [EMAIL PROTECTED] --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: pylab inside notebook
Thank you! Unfortunately I think you are also right with your last
assumption. It just looks like an empty plot.
As a consequence, I tried this example with the new knoboo spkg, but here
is what I get:
from pylab import *
Traceback (most recent call last):
File input, line 1, in module
File
/home/fabio/sage-2.11-debian32-intel-i686-Linux/local/lib/python2.5/site-packages/pylab.py,
line 1, in module
from matplotlib.pylab import *
File
/home/fabio/sage-2.11-debian32-intel-i686-Linux/local/lib/python2.5/site-packages/matplotlib/pylab.py,
line 197, in module
from cbook import flatten, is_string_like, exception_to_str, popd, \
File
/home/fabio/sage-2.11-debian32-intel-i686-Linux/local/lib/python2.5/site-packages/matplotlib/cbook.py,
line 8, in module
import numpy as npy
File
/home/fabio/sage-2.11-debian32-intel-i686-Linux/local/lib/python2.5/site-packages/numpy/__init__.py,
line 43, in module
import linalg
File
/home/fabio/sage-2.11-debian32-intel-i686-Linux/local/lib/python2.5/site-packages/numpy/linalg/__init__.py,
line 4, in module
from linalg import *
File
/home/fabio/sage-2.11-debian32-intel-i686-Linux/local/lib/python2.5/site-packages/numpy/linalg/linalg.py,
line 25, in module
from numpy.linalg import lapack_lite
ImportError: liblapack.so: cannot open shared object file: No such file or
Should I open a new thread about this error? (I'm not sure how spkgs are
handled)
Best wishes, Fabio
On Sat, Apr 12, 2008 at 6:24 PM, Carl Witty [EMAIL PROTECTED] wrote:
On Apr 8, 4:34 am, Fabio Tonti [EMAIL PROTECTED] wrote:
sage: from pylab import *
sage: imshow([[(0,0,0)]])
sage: savefig('foo.png')
Traceback (most recent call last):
...
NameError: global name 'npy' is not defined
I would just like to make an image from a 2-dimensional Array (of
rgb-values)!
This is a bug in our current version of matplotlib; it is being
tracked here: http://trac.sagemath.org/sage_trac/ticket/2900
For now, it looks like you may be able to work around the problem by
using RGBA 4-tuples instead of RGB 3-tuples; that is, add an extra ,
255 on the end of each pixel.
You also need to be sure to use Python ints instead of Sage integers.
So with the commands:
sage: imshow([[(0r,0r,0r,255r)]])
sage: savefig('foo.png')
I at least don't get any more exceptions, and I do get a saved image.
However, I don't see a black pixel in the saved image, so it may not
actually be working.
Carl
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[sage-support] Re: forgot sagenb password
On Sat, Apr 12, 2008 at 10:40 AM, pong [EMAIL PROTECTED] wrote: I forgot my sage account password so I couldn't it from www.sagenb.org. And I couldn't find any way to recover the password or create a new one. Can someone tell me what can I do in this case? What is your login name? William --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: notebook and javascript question
a really simple problem related to the above problem
It all comes down to being able to have sage
print an html('string') to the notebook,
and having the page refresh without having the user
cause an event, (e.g., by pressing shift-enter).
Another example might be GeoGebra: It has
a javascript interface. Suppose the notebook programmer
wants a sage function that updates the display
at intermediate stages of some computation.
thank you,
-gerhard
PS., I have since found that the Google Maps API is
able to load a .kml file. I suppose I could write a hack:
Have a javascript with a timer that periodically reloads
this file, while having the sage code updating the file!
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[sage-support] Re: forgot sagenb password
William, My login name is wpong On Apr 13, 4:29 am, William Stein [EMAIL PROTECTED] wrote: On Sat, Apr 12, 2008 at 10:40 AM, pong [EMAIL PROTECTED] wrote: I forgot my sage account password so I couldn't it fromwww.sagenb.org. And I couldn't find any way to recover the password or create a new one. Can someone tell me what can I do in this case? What is your login name? William --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: notebook and javascript question
William Stein wrote:
On Sat, Apr 12, 2008 at 4:55 PM, gerhard [EMAIL PROTECTED] wrote:
a really simple problem related to the above problem
It all comes down to being able to have sage
print an html('string') to the notebook,
and having the page refresh without having the user
cause an event, (e.g., by pressing shift-enter).
Could you give a *really concrete* but simple example which we
could focus on? Thanks!
Is this a relevant example?
running this in the notebook:
for i in range(5):
print html('scriptalert(%s)/script'%i)
sleep(1)
should pop up a dialog box every second.
Is that an example of what you want, gerhard?
Jason
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[sage-support] Re: forgot sagenb password
On Sat, Apr 12, 2008 at 5:50 PM, pong [EMAIL PROTECTED] wrote: William, My login name is wpong I can't find any information about a user with the name wpong for the public sage notebook: [EMAIL PROTECTED]:~$ find . -name *pong* -print ./nb1/sage_notebook/worksheets/spongmaster In fact, the only user with a similar name seems to be spongmaster. Is there another possible login name that you used? On Apr 13, 4:29 am, William Stein [EMAIL PROTECTED] wrote: On Sat, Apr 12, 2008 at 10:40 AM, pong [EMAIL PROTECTED] wrote: I forgot my sage account password so I couldn't it fromwww.sagenb.org. And I couldn't find any way to recover the password or create a new one. Can someone tell me what can I do in this case? What is your login name? William -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: forgot sagenb password
Did you use sagenb.com before it pointed to https://www.sagenb.org? On Sat, Apr 12, 2008 at 5:55 PM, William Stein [EMAIL PROTECTED] wrote: On Sat, Apr 12, 2008 at 5:50 PM, pong [EMAIL PROTECTED] wrote: William, My login name is wpong I can't find any information about a user with the name wpong for the public sage notebook: [EMAIL PROTECTED]:~$ find . -name *pong* -print ./nb1/sage_notebook/worksheets/spongmaster In fact, the only user with a similar name seems to be spongmaster. Is there another possible login name that you used? On Apr 13, 4:29 am, William Stein [EMAIL PROTECTED] wrote: On Sat, Apr 12, 2008 at 10:40 AM, pong [EMAIL PROTECTED] wrote: I forgot my sage account password so I couldn't it fromwww.sagenb.org. And I couldn't find any way to recover the password or create a new one. Can someone tell me what can I do in this case? What is your login name? William -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: forgot sagenb password
On Sat, Apr 12, 2008 at 7:55 PM, Jason Grout [EMAIL PROTECTED] wrote: William Stein wrote: On Sat, Apr 12, 2008 at 6:48 PM, pong [EMAIL PROTECTED] wrote: William, I am sorry for the inconvenient caused but is there an automatic system that take care of that. I suppose as the number of users grow, this will become a rather common problem. I'll need to hire a notebook admin :-) Or outsource the public notebook :) Great idea. When do you want to start serving it on your servers and administering it? Let me know where I should point sagenb.org at :-) -- William --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: labeling graphs
On Sat, Apr 12, 2008 at 8:22 PM, pong [EMAIL PROTECTED] wrote:
I want to label several curves on a graph, say y=x^2 and y=x^3-5, with
the labeling appear next to the curve.
I know I can use text('y=x^2',...) to achieve that. But how can I use
the nice form i.e. x (superscript 2) instead of x^2? I couldn't find
any example of this kind for instance in sage_for_newbies.
This might work for you:
text('$x^2$', (3,3), rgbcolor='black', fontsize=20 )
William
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[sage-support] Re: labeling graphs
Sweet! It works perfectly. Thanks.
On Apr 13, 11:24 am, William Stein [EMAIL PROTECTED] wrote:
On Sat, Apr 12, 2008 at 8:22 PM, pong [EMAIL PROTECTED] wrote:
I want to label several curves on a graph, say y=x^2 and y=x^3-5, with
the labeling appear next to the curve.
I know I can use text('y=x^2',...) to achieve that. But how can I use
the nice form i.e. x (superscript 2) instead of x^2? I couldn't find
any example of this kind for instance in sage_for_newbies.
This might work for you:
text('$x^2$', (3,3), rgbcolor='black', fontsize=20 )
William
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