/usr/share/pyshared/ffc/ is in python-ffc 1.0.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/ffc/__init__.py
/usr/share/pyshared/ffc/analysis.py
/usr/share/pyshared/ffc/codegeneration.py
/usr/share/pyshared/ffc/codesnippets.py
/usr/share/pyshared/ffc/compiler.py
/usr/share/pyshared/ffc/constants.py
/usr/share/pyshared/ffc/cpp.py
/usr/share/pyshared/ffc/enrichedelement.py
/usr/share/pyshared/ffc/errorcontrol/
/usr/share/pyshared/ffc/errorcontrol/__init__.py
/usr/share/pyshared/ffc/errorcontrol/errorcontrol.py
/usr/share/pyshared/ffc/errorcontrol/errorcontrolgenerators.py
/usr/share/pyshared/ffc/evaluatebasis.py
/usr/share/pyshared/ffc/evaluatebasisderivatives.py
/usr/share/pyshared/ffc/evaluatedof.py
/usr/share/pyshared/ffc/extras.py
/usr/share/pyshared/ffc/fiatinterface.py
/usr/share/pyshared/ffc/formatting.py
/usr/share/pyshared/ffc/interpolatevertexvalues.py
/usr/share/pyshared/ffc/jitcompiler.py
/usr/share/pyshared/ffc/jitobject.py
/usr/share/pyshared/ffc/log.py
/usr/share/pyshared/ffc/mixedelement.py
/usr/share/pyshared/ffc/optimization.py
/usr/share/pyshared/ffc/parameters.py
/usr/share/pyshared/ffc/plot.py
/usr/share/pyshared/ffc/quadrature/
/usr/share/pyshared/ffc/quadrature/__init__.py
/usr/share/pyshared/ffc/quadrature/expr.py
/usr/share/pyshared/ffc/quadrature/floatvalue.py
/usr/share/pyshared/ffc/quadrature/fraction.py
/usr/share/pyshared/ffc/quadrature/optimisedquadraturetransformer.py
/usr/share/pyshared/ffc/quadrature/product.py
/usr/share/pyshared/ffc/quadrature/quadraturegenerator.py
/usr/share/pyshared/ffc/quadrature/quadratureoptimization.py
/usr/share/pyshared/ffc/quadrature/quadraturerepresentation.py
/usr/share/pyshared/ffc/quadrature/quadraturetransformer.py
/usr/share/pyshared/ffc/quadrature/quadraturetransformerbase.py
/usr/share/pyshared/ffc/quadrature/quadratureutils.py
/usr/share/pyshared/ffc/quadrature/reduce_operations.py
/usr/share/pyshared/ffc/quadrature/sumobj.py
/usr/share/pyshared/ffc/quadrature/symbol.py
/usr/share/pyshared/ffc/quadrature/symbolics.py
/usr/share/pyshared/ffc/quadrature_schemes.py
/usr/share/pyshared/ffc/quadratureelement.py
/usr/share/pyshared/ffc/representation.py
/usr/share/pyshared/ffc/restrictedelement.py
/usr/share/pyshared/ffc/tensor/
/usr/share/pyshared/ffc/tensor/__init__.py
/usr/share/pyshared/ffc/tensor/costestimation.py
/usr/share/pyshared/ffc/tensor/geometrytensor.py
/usr/share/pyshared/ffc/tensor/monomialextraction.py
/usr/share/pyshared/ffc/tensor/monomialintegration.py
/usr/share/pyshared/ffc/tensor/monomialtransformation.py
/usr/share/pyshared/ffc/tensor/multiindex.py
/usr/share/pyshared/ffc/tensor/referencetensor.py
/usr/share/pyshared/ffc/tensor/tensorgenerator.py
/usr/share/pyshared/ffc/tensor/tensoroptimization.py
/usr/share/pyshared/ffc/tensor/tensorreordering.py
/usr/share/pyshared/ffc/tensor/tensorrepresentation.py
/usr/share/pyshared/ffc/utils.py
/usr/share/pyshared/ffc/wrappers.py