Define tasks in Python. Run only what changed.
doit is a task management & automation tool like make, but in pure Python. It tracks file dependencies, caches results, and skips tasks that are already up-to-date. No DSL, no YAML - just Python functions.
Quick Example
Create a dodo.py:
def task_hello():
"""create a greeting file"""
return {
'actions': ['echo "Hello from doit" > hello.txt'],
'targets': ['hello.txt'],
'clean': True,
}
def task_shout():
"""convert greeting to uppercase"""
return {
'actions': ['tr a-z A-Z < hello.txt > shout.txt'],
'file_dep': ['hello.txt'],
'targets': ['shout.txt'],
'clean': True,
}Run it:
$ pip install doit
$ doit
. hello
. shout
$ doit # nothing to do - already up-to-date
-- hello
-- shoutKey Features
Incremental builds - tracks file dependencies and targets, re-runs only what changed
DAG execution - tasks run in correct dependency order
Python-native - tasks are plain Python dicts and functions, use any library
Parallel execution - run independent tasks concurrently (multiprocessing or threading)
Subtask generation - yield multiple tasks from a single function
Computed dependencies - calc_dep for dynamic dependency graphs
Plugin architecture - extensible commands, reporters, backends, and task loaders
Project Details
Website & docs - https://pydoit.org
Project management on github - https://github.com/pydoit/doit
Discussion group - https://groups.google.com/forum/#!forum/python-doit
X/twitter - https://x.com/pydoit
license
The MIT License Copyright (c) 2008-2026 Eduardo Naufel Schettino
1 maintainer
Metadata
1 maintainer
Release files for doit 0.37.0
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| doit-0.37.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 1.5 MB
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| Tags | Python 3 |
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