I added my function at the bottom of the file:
[matthieu@localhost monoids]$ less free_monoid_element.py | grep toword
def toword(self):
and tried to import it:
sage: from sage.monoids.free_monoid_element import toword
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
/home/matthieu/Documents/sage-5.6/<ipython console> in <module>()
ImportError: cannot import name toword
but it doesn't work...
Thanks for your answer.
Matthieu
Le vendredi 21 juin 2013 12:08:39 UTC+2, John Cremona a écrit :
>
> You need to do "from sage.monoid.free_monoid_element import toword"
> in order for that name to be in the global namespace. You can
> automate this by adding your function to what is imported at startup
> in the file sage/monoids/all.py where you can see which functions
> from that file ar already so imported.
>
> John
>
>
> On 21 June 2013 11:02, Matthieu Deneufchâtel
> <[email protected]<javascript:>>
> wrote:
> > I created a sandbox, modified the file free_monoid_element.py then
> rebuilt
> > the Sage library (see below) but the function I added is not known:
> > [matthieu@localhost sage-5.6]$ sage
> > ----------------------------------------------------------------------
> > | Sage Version 5.6, Release Date: 2013-01-21 |
> > | Type "notebook()" for the browser-based notebook interface. |
> > | Type "help()" for help. |
> > ----------------------------------------------------------------------
> > Loading Sage library. Current Mercurial branch is: test
> > sage: M=FreeMonoid(3,'x,y,z')
> > sage: a = M.an_element()
> > sage: toword(a)
> >
> ---------------------------------------------------------------------------
> > NameError Traceback (most recent call
> last)
> >
> > /home/matthieu/Documents/sage-5.6/<ipython console> in <module>()
> >
> > NameError: name 'toword' is not defined
> >
> > Which step did I skip so that it does not work ? Note that I recently
> > modified the SAGE_PATH variable (export
> > SAGE_PATH="/home/matthieu/CHARep/cha"); I don't know if this is
> important.
> >
> > Matthieu
> >
> >
> >
> >
> > [matthieu@localhost sage-5.6]$ sage -b test
> >
> > ----------------------------------------------------------
> > sage: Building and installing modified Sage library files.
> >
> >
> > Installing c_lib
> > scons: `install' is up to date.
> > Updating Cython code....
> > Executing 0 commands (using 1 thread)
> > Time to execute 0 commands: 0.0716159343719 seconds
> > Finished compiling Cython code (time = 0.619333982468 seconds)
> > running install
> > running build
> > running build_py
> > copying sage/monoids/free_monoid_element.py ->
> > build/lib.linux-x86_64-2.7/sage/monoids
> > warning: build_py: byte-compiling is disabled, skipping.
> >
> > running build_ext
> > Executing 0 commands (using 1 thread)
> > Time to execute 0 commands: 0.00354194641113 seconds
> > Total time spent compiling C/C++ extensions: 0.0473070144653 seconds.
> > running install_lib
> > copying build/lib.linux-x86_64-2.7/sage/monoids/free_monoid_element.py
> ->
> >
> /home/matthieu/Documents/sage-5.6/local/lib/python2.7/site-packages/sage/monoids
>
>
> > warning: install_lib: byte-compiling is disabled, skipping.
> >
> > running install_egg_info
> > Removing
> >
> /home/matthieu/Documents/sage-5.6/local/lib/python2.7/site-packages/sage-0.0.0-py2.7.egg-info
>
>
> > Writing
> >
> /home/matthieu/Documents/sage-5.6/local/lib/python2.7/site-packages/sage-0.0.0-py2.7.egg-info
>
>
> >
> > real 0m2.484s
> > user 0m2.090s
> > sys 0m0.235s
> >
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