How to find version number of CAS used by sage

ask-sage

asked 2018-06-17 09:14:20 +0200

Nasser
917 ●10 ●31 ●58

Hello. sagemath newbie here.

When I type

r=integrate(sqrt(x),x,algorithm="sympy")

or

 r=integrate(sqrt(x),x,algorithm="fricas")

or

 r=integrate(sqrt(x),x,algorithm="maxima")

etc..

what command to use to find what version numbers of those CAS it is using? For Fricas, I just installed it, so I know it is 1.3.3-1, But in general, how does one ask sage to provide this information? Is there a command to use?

Will these be the same obtained on the bash command line when doing

 $which maxima
 $which fricas

If that is the case, then I can find the version numbers easily. But what about sympy? How do I know which sympy sage is using to make sure.

Thank you,

--Nasser

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Note: a similar question was asked on 2014-07-02 as

Ask Sage question 23163: Version of software included in Sage

slelievre ( 2018-09-03 08:16:48 +0200 )edit

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4

answered 2018-06-17 11:59:22 +0200

tmonteil
27323 ●31 ●202 ●514 http://wiki.sagemath.o...

updated 2018-06-17 12:00:33 +0200

You can use the installed_packages function that returns a dictionary package name -> version, e.g.

sage: ver = installed_packages()
sage: ver['maxima']
'5.41.0'
sage: ver['fricas']
'1.3.2'

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thanks. For some reason, the above command gives me an error on 8.3.beta5 (which is the version that got installed automatically for me when I selected sage from Manjaro Linux package manager). This is the error

         sage: ver = installed_packages()

         /usr/lib/python2.7/site-packages/sage/misc/package.py in installed_packages(exclude_pip)
          285         installed.update(pip_installed_packages())
          286     # Sage packages should override pip packages (Trac #23997)
           --> 287     installed.update(pkgname_split(pkgname) for pkgname in os.listdir(SAGE_SPKG_INST))
             288     return installed
            289 

           OSError: [Errno 2] No such file or directory: '/usr/var/lib/sage/installed'

Nasser ( 2018-06-18 00:52:56 +0200 )edit

@Nasser -- Some Linux distributions package Sage to work with the system's Python, rather than ship its own Python. This might be the case for ArchLinux, on which Manjaro Linux is based.

SageMath package in ArchLinux

The notion of installed packages might work differently there.

slelievre ( 2018-06-18 01:29:51 +0200 )edit

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2

answered 2018-06-17 11:15:22 +0200

slelievre
17654 ●22 ●160 ●348 http://carva.org/samue...

updated 2018-06-17 11:24:43 +0200

Starting Sage by launching sage in the terminal gives you a banner which includes the version of Sage.

$ sage
┌────────────────────────────────────────────────────────────────────┐
│ SageMath version 8.3.beta2, Release Date: 2018-05-18               │
│ Type "notebook()" for the browser-based notebook interface.        │
│ Type "help()" for help.                                            │
└────────────────────────────────────────────────────────────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Warning: this is a prerelease version, and it may be unstable.     ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
sage:

You can also get just the version of Sage without starting Sage, by running sage -v or sage --version in the terminal.

$ sage -v
SageMath version 8.3.beta2, Release Date: 2018-05-18

$ sage --version
SageMath version 8.3.beta2, Release Date: 2018-05-18

You can start Sage without getting the banner by running sage -q (q is for quiet) in the terminal.

$ sage -q
sage:

Combining those, you can get the version without the full banner, by running sage -v; sage -q in the terminal:

$ sage -v: sage -q
SageMath version 8.3.beta2, Release Date: 2018-05-18

Once Sage is started (illustrated below in the Sage REPL but would work in the SageNB or Jupyter interface too), you can get its version number by typing:

sage: version()
'SageMath version 8.3.beta2, Release Date: 2018-05-18'

For the installed Python packages (such as NumPy, SciPy, SymPy...), you can usually get the version number as follows:

sage: import numpy
sage: print(numpy.__version__)
1.13.3

sage: import sympy
sage: print(sympy.__version__)
1.1.1

sage: import scipy
sage: print(scipy.__version__)
0.19.1

etc., but sometimes it is version, or version_info rather than __version__.

sage: import tornado
sage: print(tornado.version)
4.5.2
sage: print(tornado.version_info)
(4, 5, 2, 0)

You could try typing the name of the module followed by .__ver and hit the TAB key, if that autocompletes to .__version__ then use that, otherwise try typing the name of the module followed by .ver and hit the TAB key.

For other software shipped with Sage, which are not Python packages, sometimes you get the version number as follows (again you could type the software's name followed by .ver and hit the TAB key to see the autocompletion to .version):

sage: print(maxima.version())
5.41.0

sage: print(r.version())
((3, 4, 4), 'R version 3.4.4 (2018-03-15)')

sage: print(gap.version())
4.8.6

sage: print(pari.version())
[2, 10, 0]

sage: print(gp.version())
((2, 10, 0), 'GP/PARI CALCULATOR Version 2.10.0 (development git-88fb5b3)')

The output for Singular is quite a bit longer...

sage: print(singular.version())
Singular for x86_64-Darwin version 4.1.0 (4103, 64 bit) May 22 2018 13:52:44 #UNKNOWN_GIT_VERSION
with
    MPIR(3.0.0)~GMP(6.0.0),NTL(10.3.0),FLINT(2.5.2),factory(@(#) factoryVersion = 4.0.1),
    static readline,Plural,DBM,
    dynamic modules,dynamic p_Procs,OM_NDEBUG,SING_NDEBUG,CC:OPTIMIZE,eigenvalues,Gauss-Manin system,random=215477597
built-in modules: {}
AC_CONFIGURE_ARGS =  '--prefix=/opt/s/s83b2py2/local' '--libdir=/opt/s/s83b2py2/local/lib' '--exec-prefix=/opt/s/s83b2py2/local' '--bindir=/opt/s/s83b2py2/local/bin' '--with-gmp=/opt/s/s83b2py2/local' '--with-ntl=/opt/s/s83b2py2/local' '--with-flint=/opt/s/s83b2py2/local' '--enable-gfanlib' '--enable-Singular' '--enable-factory' '--disable-doc' '--disable-polymake' 'CC=gcc' 'CFLAGS=-O2 -g ' 'LDFLAGS=-L/opt/s/s83b2py2/local/lib -Wl,-rpath,/opt/s/s83b2py2/local/lib ' 'CXX=g++' 'CXXFLAGS=-O2 -g ' --enable-omalloc  OMALLOC_LIBS='/opt/s/s83b2py2/local/var/tmp/sage/build/singular-4.1.0p3.p2/src/omalloc/libomalloc.la' OMALLOC_INCLUDES='-I/opt/s/s83b2py2/local/var/tmp/sage/build/singular-4.1.0p3.p2/src' --with-Singular RESOURCES_LIBS='/opt/s/s83b2py2/local/var/tmp/sage/build/singular-4.1.0p3.p2/src/resources/libsingular_resources.la' RESOURCES_INCLUDES='-I/opt/s/s83b2py2/local/var/tmp/sage/build/singular-4.1.0p3.p2/src ' FACTORY_LIBS='/opt/s/s83b2py2/local/var/tmp/sage/build/singular-4.1.0p3.p2/src/factory/libfactory.la' FACTORY_INCLUDES='-I/opt/s/s83b2py2/local/var/tmp/sage/build/singular-4.1.0p3.p2/src -I/opt/s/s83b2py2/local/var/tmp/sage/build/singular-4.1.0p3.p2/src/factory/include',
CC = gcc,FLAGS : -O2 -g  -pipe -fno-common -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -fno-exceptions -fno-rtti -fno-threadsafe-statics -funroll-loops -Qunused-arguments -pthread,
CXX = g++,FLAGS : -O2 -g  -pipe -fno-common -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -fno-exceptions -fno-rtti -fno-threadsafe-statics -funroll-loops -Qunused-arguments,
DEFS : ,CPPFLAGS : ,
LDFLAGS : -L/opt/s/s83b2py2/local/lib -Wl,-rpath,/opt/s/s83b2py2/local/lib  -pipe -fno-common -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -fno-exceptions -fno-rtti -fno-threadsafe-statics -funroll-loops -Qunused-arguments  -rdynamic -flat_namespace -Wl,-bind_at_load -Wl,-undefined,dynamic_lookup,LIBS : -lreadline -lncurses  (ver: 4.2.1 Compatible Apple LLVM 7.0.2 (clang-700.1.81))
argv[0]   : /opt/s/s83b2py2/local/bin/Singular
SearchPath: /opt/s/s83b2py2/local/share/singular:/opt/s/s83b2py2/local/bin/../share/singular/LIB:/opt/s/s83b2py2/local/bin/../share/factory:/opt/s/s83b2py2/local/bin/../libexec/singular/MOD:/opt/s/s83b2py2/local/libexec/singular/MOD:/opt/s/s83b2py2/local/bin
Singular  : /opt/s/s83b2py2/local/bin/Singular
BinDir    : /opt/s/s83b2py2/local/bin
ProcDir   : /opt/s/s83b2py2/local/bin/../libexec/singular/MOD:/opt/s/s83b2py2/local/libexec/singular/MOD
RootDir   : /opt/s/s83b2py2/local/bin/..
DataDir   : /opt/s/s83b2py2/local/bin/../share
DefaultDir: /opt/s/s83b2py2/local
InfoFile  : /opt/s/s83b2py2/local/bin/../share/info/singular.hlp
IdxFile   : /opt/s/s83b2py2/local/bin/../share/singular/singular.idx
HtmlDir   : /opt/s/s83b2py2/local/bin/../share/singular/html
ManualUrl : http://www.singular.uni-kl.de/Manual/
ExDir     :
Path      : /opt/s/s83b2py2/local/bin:/opt/s/s83b2py2/local/bin/../libexec/singular/MOD:/opt/s/s83b2py2/local/libexec/singular/MOD:/opt/s/s83b2py2/local/libexec/ccache:/opt/s/s83b2py2/build/bin:/opt/s/s83b2py2/src/bin:/opt/local/sbin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/texbin
emacs     : /usr/local/bin/../Cellar/emacs/25.3/bin/emacs-25.3
xemacs    :
SingularEmacs:  /opt/s/s83b2py2/local/bin/Singular
EmacsLoad : /opt/s/s83b2py2/local/bin/../share/singular/emacs/.emacs-singular
EmacsDir  : /opt/s/s83b2py2/local/bin/../share/singular/emacs
SingularXterm:  /opt/s/s83b2py2/local/bin/Singular
xterm     :
EmacsDir  : /opt/s/s83b2py2/local/bin/../share/singular/emacs
Available HelpBrowsers: mac, mac-net, safari, info, lynx, mac-www, safari-www-idx, safari-www, lynx-www-idx, lynx-www, builtin, dummy, emacs,
Current HelpBrowser: mac

Another way to get to the version number information, especially if you built Sage from source, is to use the terminal, and change directory to the upstream subdirectory of the Sage installation directory.

For instance, if the Sage installation directory is /home/user/SageMath, then do this in a terminal:

$ cd /home/user/SageMath/upstream
$ ls

and you will see the tarballs for many of the included software and Python packages, which include the version numbers. In my case:

$ cd /home/user/SageMath/upstream
$ ls
Babel-2.5.1.tar.gz
Cython-0.28.1.tar.gz
Flask-0.10.1.tar.gz
Flask_AutoIndex-0.6.tar.gz
Flask_Babel-0.9.tar.gz
Flask_OldSessions-0.10.tar.gz
Flask_OpenID-1.2.5.tar.gz
Flask_Silk-0.2.tar.gz
OpenBLAS-0.2.20.tar.gz
Pillow-4.3.0.tar.gz
PyCygwin-0.1.tar.gz
Pygments-2.2.0.tar.gz
Python-2.7.15.tar.xz
Python-3.6.1.tar.gz
R-3.4.4.tar.gz
Send2Trash-1.4.2.tar.gz
Sphinx-1.6.3.tar.gz
Twisted-16.3.0.tar.bz2
Werkzeug-0.11.10.tar.gz
alabaster-0.7.10.tar.gz
appnope-0.1.0.tar.gz
arb-2.12.0.tar.gz
backports.functools_lru_cache-1.4.tar.gz
backports.shutil_get_terminal_size-1.0.0.tar.gz
backports_abc-0.5.tar.gz
backports_ssl_match_hostname-3.5.0.1.tar.gz
bleach-2.1.3.tar.gz
boost_cropped-1.58.0.tar.bz2
brial-1.0.1.tar.bz2
bzip2-1.0.6-20150304.tar.gz
ccache-3.3.4.tar.bz2
cddlib-094i.tar.gz
cephes-2.8.tar.bz2
certifi-2017.11.5.tar.gz
cliquer-1.21.tar.gz
combinatorial_designs-20140630.tar.bz2
configparser-3.5.0.tar.gz
conway_polynomials-0.5.tar.bz2
cvxopt-1.1.8.tar.gz
cycler-0.10.0.tar.gz
cypari2-1.1.4.tar.gz
cysignals-1.7.1.tar.gz
decorator-4.0.6.tar.gz
docutils-0.14.tar.gz
ecl-16.1.2.tar.bz2
eclib-20171002.tar.bz2
ecm-7.0.4.tar.gz
elliptic_curves-0.8.tar.bz2
entrypoints-0.2.3.tar.gz
enum34-1.1.6.tar.gz
fflas_ffpack-2.3.2.tar.bz2
flint-2.5.2.tar.gz
flintqs-1.0.tar.bz2
fplll-5.2.0.tar.gz
fpylll-0.3.0dev.tar.gz
freetype-2.8.1.tar.bz2
functools32-3.2.3-2.tar.gz
future-0.16.0.tar.gz
gap-4.8.6.tar.bz2
gc-7.6.4.tar.gz
gcc-7.2.0.tar.xz
gf2x-1.2.tar.gz
gfan0.6.2.tar.gz
giac-1.4.9.45.tar.bz2
givaro-4.0.4.tar.gz
glpk-4.63.tar.bz2
graphs-20161026.tar.bz2
gsl-2.3.tar.gz
html5lib-1.0.1.tar.gz
imagesize-0.7.1.tar.gz
iml-1.0.4p1.tar.bz2
ipykernel-4.7.0.tar.gz
ipython-5.5.0.tar.gz
ipython_genutils-0.2.0.tar.gz
ipywidgets-7.2.0.tar.gz
itsdangerous-0.24.tar.gz
jinja2-2.10.tar.gz
jmol-14.6.1_2016.07.11.tar.bz2
jsonschema-2.6.0.tar.gz
jupyter_client-5.2.2.tar.gz
jupyter_core-4.4.0.tar.gz
lcalc-1.23.tar.bz2
libatomic_ops-7.6.2.tar.gz
libgap-4.8.6.tar.gz
libgd-2.1.1.1.tar.bz2
libiconv-1.15.tar.gz
libpng-1.6.29.tar.gz
linbox-1.5.2.tar.gz
lrcalc-1.2.tar.gz
m4ri-20140914.tar.gz
m4rie-20150908.tar.gz
markupsafe-1.0.tar.gz
mathjax-2.7.4.tar.gz
matplotlib-2.1.0.tar.bz2
maxima-5.41.0.tar.gz
mistune-0.8.3.tar.gz
mpc-1.1.0.tar.gz
mpfi-1.5.2.tar.bz2
mpfr-4.0.1.tar.bz2
mpir-3.0.0-644faf502c56f97d9accd301965fc57d6ec70868.tar.bz2
mpmath-1.0.0.tar.gz
nauty-26r1.tar.gz
nbconvert-5.3.1.tar.gz
nbformat-4.4.0.tar.gz
ncurses-6.0.tar.gz
networkx-1.11.tar.gz
notebook-5.3.1.tar.gz
ntl-10.3.0.tar.gz
numpy-1.13.3.zip
palp-2.1.tar.bz2
pandocfilters-1.4.2.tar.gz
pari-2.10-1280-g88fb5b3.tar.gz
pari_galdata-20080411.tar.bz2
pari_seadata_small-20090618.tar.bz2
patch-2.7.5.tar.gz
pathlib2-2.3.0.tar.gz
pathpy-7.1.tar.bz2
pcre-8.40.tar.gz
pexpect-4.1.0.tar.gz
pickleshare-0.7.4.tar.gz
pip-9.0.3.tar.gz
pkgconf-0.9.7.tar.gz
pkgconfig-1.2.2.tar.gz
planarity-3.0.0.5.tar.gz
polytopes_db-20170220.tar.bz2
ppl-1.2.tar.bz2
prompt_toolkit-1.0.15.tar.gz
psutil-5.2.0.tar.gz
ptyprocess-0.5.1.tar.gz
pycrypto-2.6.1.tar.gz
pynac-0.7.16.tar.bz2
pyparsing-2.2.0.tar.gz
python-dateutil-2.5.3.tar.gz
python_openid-2.2.5.tar.gz
pytz-2017.3.tar.bz2
pyzmq-17.0.0b3.tar.gz
ratpoints-2.1.3.tar.bz2
readline-6.3.008.tar.gz
requests-2.13.0.tar.gz
rpy2-2.8.2.tar.gz
rubiks-20070912.tar.bz2
rw-0.7.tar.gz
sagenb-1.0.1.tar.bz2
sagenb_export-3.2.tar.gz
sagetex-3.0.tar.gz
scandir-1.6.tar.gz
scipy-0.19.1.tar.gz
setuptools-38.2.4.zip
setuptools_scm-1.15.6.tar.gz
simplegeneric-0.8.1.tar.bz2
singledispatch-3.4.0.3.tar.gz
singular-4.1.0p3.tar.gz
six-1.11.0.tar.gz
snowballstemmer-1.2.1.tar.gz
speaklater-1.3.tar.gz
sphinxcontrib-websupport-1.0.1.tar.gz
sqlite-autoconf-3220000.tar.gz
subprocess32-3.2.7.tar.gz
symmetrica-2.0.tar.bz2
sympow-1.018.1.tar.bz2
sympy-1.1.1.tar.gz
tachyon-0.98.9.tar.bz2
terminado-0.8.1.tar.gz
testpath-0.3.1.tar.gz
thebe-9624e0a0.zip
threejs-r80.tar.gz
tornado-4.5.2.tar.gz
traitlets-4.3.2.tar.gz
typing-3.6.2.tar.gz
vcversioner-2.16.0.0.tar.gz
wcwidth-0.1.7.tar.gz
webencodings-0.5.1.tar.gz
widgetsnbextension-3.2.0.tar.gz
xz-5.2.2.tar.gz
yasm-1.3.0.tar.gz
zeromq-4.0.5.tar.gz
zlib-1.2.11.tar.gz
zn_poly-0.9.tar.bz2
zope.interface-4.4.3.tar.gz

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thanks for the useful information.

       print(maxima.version())

works, but

       print(sympy.version())

gave NameError name 'sympy' is not defined. But I can find sympy version from python itself, which I assume is the same one used by sage. That is why I asked. I wanted to make sure I am looking at the correct sympy used by sage.

Nasser ( 2018-06-18 00:59:35 +0200 )edit

1

As I wrote, for Python packages, such as SymPy, you write:

import sympy
print(sympy.__version__)

and you get the answer, currently

1.1.1

If you do this in your system's Python, you get the version of SymPy in your system's Python. If you do this in your Anaconda's Python, you get the version of SymPy in your Anaconda's Python. If you do this in your Sage's Python or in Sage, you get the version of SymPy in your Sage's Python.

slelievre ( 2018-06-18 01:22:02 +0200 )edit

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How to find version number of CAS used by sage

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