exceptions#

exception DesignError[source]#: RuntimeError regarding unit design.

exception FailedEvaluation[source]#: RuntimeWarning regarding failed model evaluation.

exception Converged[source]#: Exception to stop iteration early.

exception UnitWarning[source]#

Warning regarding unit operations.

classmethod from_source(source, msg)[source]#: Return a DesignWarning object with source description.

exception DesignWarning[source]#: Warning regarding design constraints.

exception CostWarning[source]#: Warning regarding design constraints.

bounds_warning(source, key, value, units, bounds, kind='design')[source]#

Issue a warning if value is out of bounds.

Parameters:

source (Unit) – Unit where the warning is issued
key (str) – Name of value.
value (float)
units (str) – Units of value
bounds (Iterable[float, float]) – Upper and lower bounds.

StampedKeyError[source]#: alias of StampedKeyError

exception UndefinedChemicalAlias(ID)[source]#: Exception regarding undefined chemicals.

UndefinedChemical#: alias of UndefinedChemicalAlias

exception UndefinedPhase(phase)[source]#: Exception regarding undefined phases.

exception DimensionError[source]#: ValueError regarding wrong dimensions.

exception InfeasibleRegion(region, msg=None)[source]#: Runtime error regarding infeasible processes.

exception InvalidMethod(method)[source]#: ValueError regarding an attempt to evaluate an invalid method.

exception NoEquilibrium[source]#: Exception regarding an attempt to solve phase equilibrium when not applicable.

exception UnitInheritanceError[source]#: Exception regarding unit inhearitance.