pyColoringSolid.pyx

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# distutils: language = c++
# distutils: sources = ColoringSolid.C
 
'''
    DAFoam  : Discrete Adjoint with OpenFOAM
    Version : v3
 
    Description:
        Cython wrapper functions that call OpenFOAM libraries defined
        in the *.C and *.H files. The python naming convention is to
        add "py" before the C++ class name
'''
 
# declare cpp functions
cdef extern from "ColoringSolid.H" namespace "Foam":
    cppclass ColoringSolid:
        ColoringSolid(char *, object) except +
        void run()
 
# create python wrappers that call cpp functions
cdef class pyColoringSolid:
 
    # define a class pointer for cpp functions
    cdef:
        ColoringSolid * _thisptr
 
    # initialize this class pointer with NULL
    def __cinit__(self):
        self._thisptr = NULL
 
    # deallocate the class pointer, and
    # make sure we don't have memory leak
    def __dealloc__(self):
        if self._thisptr != NULL:
            del self._thisptr
 
    # point the class pointer to the cpp class constructor
    def __init__(self, argsAll, pyOptions):
        '''
        argsAll: string that contains all the arguments
        for running OpenFOAM solvers, including
        the name of the solver.
 
        For example, in OpenFOAM, if we run the following:
 
        mpirun -np 2 simpleFoam -parallel
 
        Then, the corresponding call in pySimpleFoam is:
 
        SimpleFoam("SimpleFoam -parallel")
        '''
        self._thisptr = new ColoringSolid(argsAll, pyOptions)
 
    # wrap all the other member functions in the cpp class
    def run(self):
        self._thisptr.run()