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Questions tagged [mamba]

Mamba is a Python-based CLI conceived as a drop-in replacement for conda, offering higher speed and more reliable environment solutions.

Mamba is a fast, robust, and cross-platform package manager.

It runs on Windows, OS X and Linux (ARM64 and PPC64LE included) and is fully compatible with conda packages and supports most of conda’s commands.

https://github.com/mamba-org/mamba

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How could using Mamba instead of Conda as package manager for Anaconda be problematic?

Mamba markets itself as a faster direct drop-in replacement for Conda. How could using Mamba instead of Conda as package manager for Anaconda be problematic?
user3848207
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Solving environment: failed with current_repodata.json, will retry with next repodata source. Conda Fails to Create a new env

** Conda Fails to Create a new env: stuck at "Executing transaction"** I am working with a MacOS, BigSur 11.6, and have updated conda and mamba conda update --all conda update mamba and, following guidance from a software installation guide I tried…
Diving
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How to set up a conda osx-64 environment on ARM mac?

I have an M1 MacBook using conda through miniforge3. I want to use a packages not built for ARM (ifcopenshell, pythonocc-core). Mixing channels (conda-forge/osx-64 and conda-forge/osx-arm) often does not work reliably. How do I tell conda/mamba to…
Tiberio
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How to find which library prevents updating a package in conda?

I have set up couple of environments with Data Science libraries like pandas, numpy, matplotlib, scikit-learn, tensorflow etc.. However I cannot update some packages to the latest version. E.g. conda update pandas will tell me I have the latest…
Sergey Bushmanov
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How to use Mamba Miniforge CLI in VSCode with Windows

I am trying to debug some Python code that must run in a Mamba environment. In order to run the code (but not debug), I can open the Miniforge Prompt command line application, activate my enviroment (mamba activate my_env), and then run my python…
stackoverflowing321
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After the mambaforge install completes, how do I get to be able to run mamba commands?

I downloaded the mambaforge install file for Windows, ran it, and it successfully completed. Mamba has a quickstart guide with CLI commands here: https://mamba.readthedocs.io/en/latest/user_guide/mamba.html But I can't figure out WHERE to enter the…
Mike8675309
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How to change pinned packages in mamba package manager

When I try to install a python package in a minimamba distribution (mamba 0.14), there is no dependency solution for the python version installed (shown as pinned package below). How can I allow this package to be downgraded to allow a dependency…
tiagoams
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mamba init error: AttributeError: 'Namespace' object has no attribute 'no_user'

Running mamba inside conda base. mamba installed via mambaforge but OUTSIDE conda base. (??) python 3.10.8 From within conda base, running mamba init gives the following error: `user@pop-os:~$ mamba init mamba (1.2.0) supported by…
chocoChip
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How to eliminate spurious warnings, re: JSON cache files, from conda when using new libmamba solver?

Since upgrading to the new libmamba solver, I'm getting these spurious warnings when I conda build ...: warning libmamba Could not parse state file: Could not load cache state: [json.exception.type_error.302] type must be string, but is…
dbanas
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After installing libmamba solver i get `warning libmamba Could not parse state file`

With Anaconda and Mamba installed, I now came across the libmamba-solver, which is quite officially recommended on the Anaconda blog as the standard solver for conda. After I followed exactly the instructions…
maddes8cht
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Moving existing mamba/conda environments to micromamba

I want to migrate all my existing environments to micromamba on my Mac (i.e., move my envs to /Users/UserName/micromamba/envs/) to use micromamba exclusively. What's the best way to move my existing environments? I'm not sure where to begin with…
Tyce Herrman
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what are the differences among mambaforge, mambaforge-pypy3, miniforge, miniforge-pypy3

there have been explanations about the different between miniforge and miniconda miniforge is the community (conda-forge) driven minimalistic conda installer. Subsequent package installations come thus from conda-forge channel. miniconda is the…
wsdzbm
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Conda vs. Mamba Confusion - What should be used when building custom docker images

I am trying to build a custom Docker Image using jupyter/datascience-notebook which is based off of jupyter/base-notebook I can see that mamba was used to install/configure conda environment for jupyter. Below is my Dockerfile (the portion which the…
ha9u63a7
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How to unpin pinned package in conda/mamba

I have a conda environment that has a package pinned as follows: Pinned packages: - python 3.8.* - bcbio-gff 0.6.7.* - snakemake 6.7.0.* How do I remove the pin for one of the pinned packages, just using command line conda / mamba? I've tried…
Cornelius Roemer
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Unsatisfiable conda packages though packages are found in conda-forge: package XXX requires package YYY, but none of the providers can be installed

I am trying to make a simple environment: channels: - rdonnelly - bioconda - anaconda - r - conda-forge - defaults dependencies: - bioconda::bioconductor-mixomics>=6.16 - free::fonts-continuum - rstudio mamba env create -f my_env.yaml -n some_env,…
Sos
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