import PISM com = PISM.PETSc.COMM_WORLD sys = PISM.UnitSystem("") log = PISM.StringLogger(com, 1) pism_config = PISM.config_from_options(com, log, sys) config = PISM.ConfigJSON(sys) config.init_from_string(""" { "constants" : {"ice" : {}, "fresh_water" : {}, "sea_water" : {}}, "bootstrapping" : {"defaults" : {}}, "calving" : {"eigen_calving" : {}, "thickness_calving" : {}, "float_kill" : {}}, "enthalpy_converter" : {}, "flow_law" : { "gpbld" : {}, "Hooke" : {}, "isothermal_Glen": {}, "Paterson_Budd" : {}}, "grid" : {}, "hydrology" : {}, "fracture_density" : {}, "stress_balance" : { "ssa" : {"strength_extension" : {}, "fd" : {"lateral_drag" : {}}}, "sia" : {} }, "time" : {}, "geometry" : {"update" : {}, "part_grid" : {}}, "climate_forcing" : {}, "inverse" : {"design" : {}, "ssa" : {}, "tikhonov" : {}},