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git + logging for ML

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mummify makes model prototyping faster. The package automagically takes care of git and logging for your machine learning project so that you can focus on what's important.


mummify is one function and two command line tools:

  • log - to automatically log and commit model changes
  • mummify history - to view those changes
  • mummify switch - to go back to a different version of your model


mummify is simple to use. Just add import mummify at the top and mummify.log(<string>) at the bottom of your model:

import mummify

from sklearn.datasets import load_wine
from sklearn.model_selection import train_test_split
from sklearn.neighbors import KNeighborsClassifier

data = load_wine()
y =
X =

X_train, X_test, y_train, y_test = train_test_split(
    X, y, test_size=0.2, random_state=42)

model = KNeighborsClassifier(), y_train)
accuracy = model.score(X_test, y_test)

mummify.log(f'Test accuracy: {accuracy:.3f}')

When you run your model (python for the first time mummify will create a protected .mummify git folder and will start to log messages to a mummify.log file.

When you make changes and run everything again:

model = LogisticRegression(), y_train)
accuracy = model.score(X_test, y_test)

mummify.log(f'Test accuracy: {accuracy:.3f}')

mummify will update the mummify.log file and save a snapshot of your working directory.

To view the history of your model, just run mummify history from the command line:

max$ mummify history

*  HEAD mummify-3d15c7c2
*  mummify-2d234a8a
*  mummify-1fad5388
*  mummify-root

And to go back to a previous snapshot of your model just grab the mummify id from the mummify.log file and run mummify switch <id> from the command line:

max$ mummify switch mummify-2d234a8a

mummify will preserve all state history during and after a switch and keep the mummify.log file intact.


pip install mummify


For feature requests or bug reports, please use Github Issues

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