Install & Compatibility
Where this runs
tested against v175.0.45 · pip install
no network on importno background threads
Install × environment matrix
Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux
muslpy 3.10–3.95 runs
build_error
glibcpy 3.10–3.95 runs
installs and imports cleanly · install 9.1s · import 1.036s · 168MB
167MB installed
● package 167MB
Code
Verified usage
Verified import paths — ran on the pinned version, not inferred.
FranceTaxBenefitSystem
✓ from openfisca_france import FranceTaxBenefitSystem
✗ from openfisca_france import FranceTaxBenefitSystem
Simulate the monthly disposable income of a single person earning 2000 EUR/month.
from openfisca_france import FranceTaxBenefitSystem
from openfisca_core.simulation_builder import SimulationBuilder
# Create the tax-benefit system
tbs = FranceTaxBenefitSystem()
# Create a simulation for a single person
builder = SimulationBuilder()
simulation = builder.build_from_entities(tbs, {
'individus': ['person1'],
'familles': ['famille1'],
'menages': ['menage1'],
})
simulation.set_input('age', '2026-01-01', {'person1': 30})
simulation.set_input('salaire_de_base', '2026-01', {'person1': 2000})
simulation.calculate('revenu_disponible', '2026-01')
openfisca --version
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Version history
175.0.45latest on PyPI · released Jun 2, 2026
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Dependencies
openfisca-corerequiredCore engine for OpenFisca