I was just carefully reading the page about Mambaforge linked to from Sage,
i.e., this page

https://github.com/conda-forge/miniforge

and it says that Mambaforge is deprecated and no longer recommended, and
instead people should install Miniforge, i.e., "(Discouraged as of
September 2023)".  We should update the instructions at

https://deploy-livedoc--sagemath.netlify.app/html/en/installation/conda#install-from-conda-forge

since they recommend the now discouraged Mambaforge.

The page https://github.com/conda-forge/miniforge suggests that Mambaforge
is somehow "just as good", but when I tried doing clean installs, then
installing Sage, I had the best experience (i.e., completely perfect!) with
Miniforge, which is what they recommend.  Basically, we should instead
recommend:

curl -L -O
https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$(uname)-$(uname
-m).sh

sh Miniforge3-$(uname)-$(uname -m).sh -b -u -p /conda

-- William

On Sun, Mar 10, 2024 at 4:05 PM William Stein <wst...@gmail.com> wrote:

> Hi,
>
> So I was using MicroMamba, whereas that page says Sage only
> supports Mambaforge, Miniforge, Miniconda or Anaconda.    I tried with
> Mambaforge (as recommended there) and everything works perfectly, with
> sage-10.2 being available, and nicely integrated with the conda ecosystem,
> and also it's easy to switch Python versions.  So I'll switch from using
> MicroMamba to Mambaforge.  Problem solved.
>
> William
>
> On Sun, Mar 10, 2024 at 1:47 PM William Stein <wst...@gmail.com> wrote:
>
>>
>>
>> On Sun, Mar 10, 2024 at 1:39 PM Matthias Koeppe <matthiaskoe...@gmail.com>
>> wrote:
>>
>>> William, do the instructions in our Installation Guide work for you?
>>>
>>> https://deploy-livedoc--sagemath.netlify.app/html/en/installation/conda#install-from-conda-forge
>>>
>>>
>>
>>> Note in particular this step: "Change channel priority to strict: conda
>>> config --set channel_priority strict"
>>>
>>
>> I'm using micromamba, which is supposed to be a drop in replacement for
>> conda, but it just gives an error for the above, so maybe it is missing
>> critical features needed to install sage:
>>
>> ---
>>
>> (compute-server-1540) ~/anaconda$ micromamba config --set
>> channel_priority strict
>> The following arguments were not expected: strict channel_priority --set
>> Run with --help for more information.
>>
>> ---
>>
>> I'll revisit whether I need to switch to another conda...
>>
>> That said micromamba has strict by default:
>> https://github.com/mamba-org/provision-with-micromamba/issues/33
>>
>> (compute-server-1540) ~/anaconda$ micromamba config --set
>> channel_priority strict --help
>> Configuration of micromamba
>> Usage: /usr/local/bin/micromamba config [OPTIONS] [SUBCOMMAND]
>>
>> Options:
>>   -h,--help                   Print this help message and exit
>>
>>
>> Configuration options:
>>   --rc-file TEXT ...          Paths to the configuration files to use
>>   --no-rc                     Disable the use of configuration files
>>   --no-env                    Disable the use of environment variables
>>
>>
>> Global options:
>>   -v,--verbose                Set verbosity (higher verbosity with
>> multiple -v, e.g. -vvv)
>>   --log-level ENUM:value in
>> {critical->5,debug->1,error->4,info->2,off->6,trace->0,warning->3} OR
>> {5,1,4,2,6,0,3}
>>                               Set the log level
>>   -q,--quiet                  Set quiet mode (print less output)
>>   -y,--yes                    Automatically answer yes on prompted
>> questions
>>   --json                      Report all output as json
>>   --offline                   Force use cached repodata
>>   --dry-run                   Only display what would have been done
>>   --download-only             Only download and extract packages, do not
>> link them into environment.
>>   --experimental              Enable experimental features
>>
>>
>> Prefix options:
>>   -r,--root-prefix TEXT       Path to the root prefix
>>   -p,--prefix TEXT            Path to the target prefix
>>   --relocate-prefix TEXT      Path to the relocation prefix
>>   -n,--name TEXT              Name of the target prefix
>>
>> Subcommands:
>>   list                        List configuration values
>>   sources                     Show configuration sources
>>   describe                    Describe given configuration parameters
>>   prepend                     Add one configuration value to the
>> beginning of a list key
>>   append                      Add one configuration value to the end of a
>> list key
>>   remove-key                  Remove a configuration key and its values
>>   remove                      Remove a configuration value from a list
>> key. This removes all instances of the value.
>>   set                         Set a configuration value
>>   get                         Get a configuration value
>>
>>
>>>
>>>
>>>
>>> On Sunday, March 10, 2024 at 12:36:47 PM UTC-7 William Stein wrote:
>>>
>>>> Hi,
>>>>
>>>> I just tried installing sage via conda and it's broken.   Am I doing
>>>> something wrong, or is there any automated testing of sage in conda (which
>>>> might be a good thing to have)?  I was going to publicize sage+conda in a
>>>> post I was about to make, but won't...
>>>>
>>>> 1. Install mambaforge into Ubuntu
>>>> 2. Add conda-forge channel
>>>> 3. Install the "sage" package.
>>>> 4. It appears to install but is broken, evidently maybe due to a libgsl
>>>> dependency (not sure):
>>>>
>>>> user@compute-server-1540:anaconda$ sage -sh
>>>> ...
>>>> (sage-sh) user@compute-server-1540:anaconda$ python
>>>> Python 3.11.6 | packaged by conda-forge | (main, Oct  3 2023, 10:40:35)
>>>> [GCC 12.3.0] on linux
>>>> Type "help", "copyright", "credits" or "license" for more information.
>>>> >>> import sage.all
>>>> Traceback (most recent call last):
>>>>   File "<stdin>", line 1, in <module>
>>>>   File "/conda/envs/default/lib/python3.11/site-packages/sage/all.py",
>>>> line 75, in <module>
>>>>     from sage.misc.all       import *         # takes a while
>>>>     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>   File
>>>> "/conda/envs/default/lib/python3.11/site-packages/sage/misc/all.py", line
>>>> 62, in <module>
>>>>     from .functional import (additive_order,
>>>>   File
>>>> "/conda/envs/default/lib/python3.11/site-packages/sage/misc/functional.py",
>>>> line 26, in <module>
>>>>     from sage.rings.complex_double import CDF
>>>> ImportError: libgsl.so.25: cannot open shared object file: No such file
>>>> or directory
>>>> >>>
>>>> sage:
>>>>
>>>> (compute-server-1540) ~/anaconda$ sage
>>>> ┌────────────────────────────────────────────────────────────────────┐
>>>> │ SageMath version 10.1, Release Date: 2023-08-20                    │
>>>> │ Using Python 3.11.6. Type "help()" for help.                       │
>>>> └────────────────────────────────────────────────────────────────────┘
>>>> ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
>>>> ┃ Warning: sage.all is not available; this is a limited REPL.        ┃
>>>> ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
>>>> sage: factor(2024)
>>>>
>>>> ---------------------------------------------------------------------------
>>>> NameError                                 Traceback (most recent call
>>>> last)
>>>> Cell In[1], line 1
>>>> ----> 1 factor(Integer(2024))
>>>>
>>>> NameError: name 'factor' is not defined
>>>> sage:
>>>>
>>>>
>>>>
>>>> William
>>>>
>>>> --
>>>> William (http://wstein.org)
>>>>
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>>> .
>>>
>>
>>
>> --
>> William (http://wstein.org)
>>
>
>
> --
> William (http://wstein.org)
>


-- 
William (http://wstein.org)

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