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Python: Fixed reference counting issues with Func objects used by Reactors

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The C++ Reactor class doesn't own a reference to the Func object. To make
borrowing the reference safe, the Python Reactor class now owns a reference,
which is guaranteed to be valid for the lifetime of the C++ Reactor object.
This commit is contained in:
Ray Speth 2012-03-25 23:25:45 +00:00
parent bf1f14c178
commit 80b723cfe7
1 changed files with 11 additions and 4 deletions
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15
interfaces/python/Cantera/Reactor.py
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@ -569,6 +569,7 @@ class FlowDevice:
return _cantera.flowdev_setParameters(self.__fdev_id, n, params)
def setFunction(self, f):
self._f = f # Hold on to a reference so it doesn't get deleted
_cantera.flowdev_setFunction(self.__fdev_id, f.func_id())
def flowdev_id(self):
@ -969,8 +970,11 @@ class Wall:
Specify the time-dependent heat flux function [W/m2].
*qfunc* must be a functor (an instance of :class:`.Func1`).
"""
n = 0
if qfunc: n = qfunc.func_id()
if qfunc:
self._qfunc = qfunc # hold on to a reference so it doesn't get deleted
n = self.qfunc.func_id()
else:
n = 0
return _cantera.wall_setHeatFlux(self.__wall_id, n)
def setExpansionRateCoeff(self, k):
@ -983,8 +987,11 @@ class Wall:
Specify the velocity function [m/s]. *vfunc* must
be a functor (an instance of :class:`.Func1`)
"""
n = 0
if vfunc: n = vfunc.func_id()
if vfunc:
self._vfunc = vfunc # hold on to a reference so it doesn't get deleted
n = vfunc.func_id()
else:
n = 0
_cantera.wall_setVelocity(self.__wall_id, n)
def vdot(self):