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General genetics/genomics utilities.

Project description

genetools: single-cell analysis recipes (work in progress)

CI codecov

Plot gallery

Other features

  • Compare clustering results by computing co-clustering percentage.
  • Map marker genes against reference lists to find names for your clusters.
  • pandas shotrcuts:
    • Split single cell barcodes conveniently.
    • Defensive pandas merging and concatenation methods with strict correctness checks.

Full documentation:


Run pip install --upgrade 'genetools[scanpy]'.

Or if you don't use scanpy: pip install --upgrade genetools.


To use genetools in a project, add import genetools. Review the documentation and the tests for examples.



git clone git://
cd genetools
pip install --upgrade pip wheel
pip install -r requirements_dev.txt
pre-commit install

Common commands:

# lint
make lint

# one-time: generate test anndata, and commit so we have reproducible tests in CI
rm -r data
make regen-test-data

# run tests locally
# this is done in a debian-based docker image to ensure image style matches what Github Actions CI will produce
make build-docker-test-image # whenever requirements_dev.txt change
make test

# generate baseline figures (also happens in docker)
make regen-snapshot-figures

# regenerate test data, and baseline figures (also happens in docker)
make regen-test-data

# run tests locally without docker, therefore omitting the snapshot tests
make test-without-figures

# docs
make docs

# bump version before submitting a PR against master (all master commits are deployed)
bump2version patch # possible: major / minor / patch

# also ensure updated




  • Two new functions to customize tick labels on any existing plot:
    • wrap_tick_labels: add text wrapping
    • add_sample_size_to_labels: add group sample sizes with a (n=N) suffix
  • Make writing PDF figures a deterministic process and make the PDF text editable.
  • Scatterplot improvements:
    • Adjust default marker shape and size to work better for most plots.
    • Adjust HueValueStyle so that an explicit marker size is not specified there, only a marker size scaling factor. The scatterplot itself is responsible for defining the base marker size, while the palette of HueValueStyles should be drawable at any marker size.
    • Change legends so that only one marker is drawn to indicate a group's style.

0.5.0 (2022-01-10)

  • Improve scatter plots and stacked bar plots.
  • Introduce HueValueStyle for granular styling of each hue.

0.4.0 (2020-07-22)

  • Centered log ratio (CLR) normalization for Cite-seq protein data.

0.3.0 (2020-06-03)

  • Pandas helpers for easier normalization

0.2.0 (2020-06-03)

  • Far faster implementation of stats.coclustering
  • Introducing helpers.make_slurm_command
  • Global submodule import (no longer need to import submodules individually)

0.1.0 (2020-03-06)

  • First release on PyPI.

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