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About cmor


Package license: BSD-2-Clause

Feedstock license: BSD-3-Clause

Summary: “Climate Model Output Rewriter” is a C library, with Fortran 90 and Python bindings. CMOR is used to produce CF-compliant[3] netCDF[4] files. The structure of the files created by CMOR and the metadata they contain fulfill the requirements of many of the climate community’s standard model experiments (which are referred to here as “MIPs”[5] and include, for example, AMIP, PMIP, APE, and IPCC [DN1] scenario runs).

CMOR was not designed to serve as an all-purpose writer of CF-compliant netCDF files, but simply to reduce the effort required to prepare and manage MIP model output. Although MIPs encourage systematic analysis of results across models, this is only easy to do if the model output is written in a common format with files structured similarly and with sufficient metadata uniformly stored according to a common standard. Individual modeling groups store their data in different ways, but if a group can read its own data, then it should easily be able to transform the data, using CMOR, into the common format required by the MIPs. The adoption of CMOR as a standard code for exchanging climate data will facilitate participation in MIPs because after learning how to satisfy the output requirements of one MIP, it will be easy to prepare output for other MIPs.

Current build status

linux_64_c_compiler_version7fortran_compiler_version7numpy1.16python3.6.____cpython variant
linux_64_c_compiler_version7fortran_compiler_version7numpy1.16python3.7.____cpython variant
linux_64_c_compiler_version7fortran_compiler_version7numpy1.16python3.8.____cpython variant
linux_64_c_compiler_version7fortran_compiler_version7numpy1.18python3.6.____73_pypy variant
linux_64_c_compiler_version7fortran_compiler_version7numpy1.19python3.9.____cpython variant
linux_64_c_compiler_version9fortran_compiler_version9numpy1.16python3.6.____cpython variant
linux_64_c_compiler_version9fortran_compiler_version9numpy1.16python3.7.____cpython variant
linux_64_c_compiler_version9fortran_compiler_version9numpy1.16python3.8.____cpython variant
linux_64_c_compiler_version9fortran_compiler_version9numpy1.18python3.6.____73_pypy variant
linux_64_c_compiler_version9fortran_compiler_version9numpy1.19python3.9.____cpython variant
osx_64_fortran_compiler_version7numpy1.16python3.6.____cpython variant
osx_64_fortran_compiler_version7numpy1.16python3.7.____cpython variant
osx_64_fortran_compiler_version7numpy1.16python3.8.____cpython variant
osx_64_fortran_compiler_version7numpy1.18python3.6.____73_pypy variant
osx_64_fortran_compiler_version7numpy1.19python3.9.____cpython variant
osx_64_fortran_compiler_version9numpy1.16python3.6.____cpython variant
osx_64_fortran_compiler_version9numpy1.16python3.7.____cpython variant
osx_64_fortran_compiler_version9numpy1.16python3.8.____cpython variant
osx_64_fortran_compiler_version9numpy1.18python3.6.____73_pypy variant
osx_64_fortran_compiler_version9numpy1.19python3.9.____cpython variant

Current release info

Name Downloads Version Platforms
Conda Recipe Conda Downloads Conda Version Conda Platforms

Installing cmor

Installing cmor from the conda-forge channel can be achieved by adding conda-forge to your channels with:

conda config --add channels conda-forge

Once the conda-forge channel has been enabled, cmor can be installed with:

conda install cmor

It is possible to list all of the versions of cmor available on your platform with:

conda search cmor --channel conda-forge

About conda-forge

Powered by NumFOCUS

conda-forge is a community-led conda channel of installable packages. In order to provide high-quality builds, the process has been automated into the conda-forge GitHub organization. The conda-forge organization contains one repository for each of the installable packages. Such a repository is known as a feedstock.

A feedstock is made up of a conda recipe (the instructions on what and how to build the package) and the necessary configurations for automatic building using freely available continuous integration services. Thanks to the awesome service provided by CircleCI, AppVeyor and TravisCI it is possible to build and upload installable packages to the conda-forge Anaconda-Cloud channel for Linux, Windows and OSX respectively.

To manage the continuous integration and simplify feedstock maintenance conda-smithy has been developed. Using the conda-forge.yml within this repository, it is possible to re-render all of this feedstock's supporting files (e.g. the CI configuration files) with conda smithy rerender.

For more information please check the conda-forge documentation.


feedstock - the conda recipe (raw material), supporting scripts and CI configuration.

conda-smithy - the tool which helps orchestrate the feedstock. Its primary use is in the construction of the CI .yml files and simplify the management of many feedstocks.

conda-forge - the place where the feedstock and smithy live and work to produce the finished article (built conda distributions)

Updating cmor-feedstock

If you would like to improve the cmor recipe or build a new package version, please fork this repository and submit a PR. Upon submission, your changes will be run on the appropriate platforms to give the reviewer an opportunity to confirm that the changes result in a successful build. Once merged, the recipe will be re-built and uploaded automatically to the conda-forge channel, whereupon the built conda packages will be available for everybody to install and use from the conda-forge channel. Note that all branches in the conda-forge/cmor-feedstock are immediately built and any created packages are uploaded, so PRs should be based on branches in forks and branches in the main repository should only be used to build distinct package versions.

In order to produce a uniquely identifiable distribution:

  • If the version of a package is not being increased, please add or increase the build/number.
  • If the version of a package is being increased, please remember to return the build/number back to 0.

Feedstock Maintainers


A conda-smithy repository for cmor.




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