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{{https://conda.io/docs/_images/conda_logo.svg||width=400px}}

[[https://conda.io/docs/|Conda]] packages for Linux & macOS are available through [[https://conda-forge.github.io/|conda-forge]].

= Setting Up =

In short: Install `sage` from [[https://conda-forge.org|conda-forge]].

 * Download and install [[https://github.com/conda-forge/miniforge/#mambaforge|Mambaforge]].
   i.e., open a Terminal,
     `curl -L -O https://github.com/conda-forge/miniforge/releases/latest/download/Mambaforge-$(uname)-$(uname -m).sh`

     `sh Mambaforge-$(uname)-$(uname -m).sh`
 * Create a "sage" environment and pick a version of SageMath, i.e., open a new terminal and `mamba create -n sage sage=9.3`
 * To run SageMath, activate the environment you just created and run SageMath, i.e., `source activate sage` and `sage`

= Maintenance =

The packages necessary to run sage are developed on the github pages of conda-forge. The actual [[https://github.com/conda-forge/sage-feedstock/tree/master/recipe|sage package]] and many of its dependencies are maintained by Isuru Fernando (and a few volunteers).

= Conda for Sage Developers =

You can develop Sage without building any of its dependencies (experimental) --- on my machine this takes 5 minutes. Assume you obtained Sage source tree and changed to its root. These instructions have been updated for [[https://trac.sagemath.org/ticket/30845|#30845]]

{{{
export SAGE_NUM_THREADS=24 # or whatever the meaningful value                                                          # for your machine is - no more than                                                          # the number of cores. conda install mamba

mamba create -n sage-build python=3.9 \       gettext autoconf automake libtool pkg-config # or replace 3.9 by another version conda activate sage-build

./bootstrap # this generates src/environment.yml                                                          # used in the next step mamba env update -n sage-build -f src/environment.yml # alternatively, use
                                                         # src/environment-optional.yml
                                                         # for some additional packages
condaactivatesage−build ./configure --with-python=CONDAPREFIX/bin/python −−prefix=CONDA_PREFIX \
              (forpkgin(./sage -package list :standard: \
                               --has-file spkg-configure.m4 \
                               --has-file distros/conda.txt); do \
                    echo --with-system-pkg=force; done) pip install --no-build-isolation -v -v --editable pkgs/sage-conf pkgs/sage-setup

pipinstall−−no−build−isolation−v−v−−editablesrc sage -c 'print(version())'
SageMath version 9.6.beta5, Release Date: 2022-03-12
}}}

By using `pip install --editable`, the Sage library is installed in editable mode.
This means that when you only edit Python files, there is no need to rebuild the library;
it suffices to restart Sage.

After editing any Cython files, rebuild by repeating the command
{{{
$ pip install --no-build-isolation -v -v --editable src
}}}

= Open Issues =

== General ==

To check whether there are known issues with Conda:

 * https://trac.sagemath.org/query?order=id&desc=1&summary=~conda

== Windows ==

There is likely not going to be a working package in the near future, see https://groups.google.com/d/msg/sage-devel/wyaV8x5qolI/jVS4DKBvCAAJ.		 See https://doc.sagemath.org/html/en/installation/conda.html

See https://doc.sagemath.org/html/en/installation/conda.html

Conda (last edited 2024-08-28 05:30:57 by mkoeppe)