human
Write me a the Python code you requested given the following:
Complete the below
def gen_conv_code_unroll_batch_kern(d, unroll_bsize=1, unroll_ksize=1):

    ''''c_code for ConvOp that unroll the batch size loop.'
    '''
assistant
#Here is the Python code you requested.
    assert ((unroll_bsize > 0) and (unroll_ksize > 0))
    if (('unroll_bsize' in d) or ('unroll_ksize' in d) or ('unroll_iter' in d) or ('unroll_biter' in d) or ('unroll_kiter' in d)):
        raise Exception("We    can't    use    this    dictionnary    as    we    will    overwrite    some    of    its    containt")
    d = d.copy()
    d['unroll_bsize'] = unroll_bsize
    d['unroll_ksize'] = unroll_ksize
    def my_dup(st, size):
        s = ''
        for i in xrange(size):
            d['unroll_iter'] = i
            s += (st % d)
        return (s + '\n')
    def my_dup2(st):
        s = ''
        iter = 0
        for i in xrange(unroll_bsize):
            d['unroll_biter'] = i
            for j in xrange(unroll_ksize):
                d['unroll_kiter'] = j
                d['unroll_iter'] = iter
                iter += 1
                s += (st % d)
        return (s + '\n')
    ret = ('\nconst    int    mode=%(mode)s;\nint    typenum=0,    typenum_f=0;\nPyArrayObject    *ain1=NULL,    *ain2=NULL,    *filtersflipped_arr=NULL,    *img2d_arr=NULL,    *z_arr=NULL;;\nconst    %(type)s    fill_value    =    0;\n\nint    type_im=PyArray_TYPE(%(img2d)s);\nint    type_ker=PyArray_TYPE(%(filtersflipped)s);\n\nnpy_intp    dim_zz[2]={%(self_outshp0)s,%(self_outshp1)s};\nnpy_intp    dim_im[2]={%(self_imshp1)s,%(self_imshp2)s};\nconst    npy_intp    dim_ker0=%(self_kshp0)s;\nconst    npy_intp    dim_ker1=%(self_kshp1)s;\n\nPyArray_Dims    img2d_shape;\nnpy_intp    img2d_dim[4]={1,1,0,0};\nimg2d_shape.ptr=img2d_dim;\nimg2d_shape.len=4;\n\nPyArray_Dims    kerns_shape;\nnpy_intp    kerns_dim[4]={1,1,0,0};\nkerns_shape.ptr=kerns_dim;\nkerns_shape.len=4;\nPyObject    *img2d=NULL,    *contig,    *filtersflipped=NULL;\n\nif(PyArray_NDIM(%(img2d)s)==2){\n        img2d_dim[3]=PyArray_DIMS(%(img2d)s)[1];\n        img2d_dim[2]=PyArray_DIMS(%(img2d)s)[0];\n}else    if(PyArray_NDIM(%(img2d)s)==3){\n        img2d_dim[3]=PyArray_DIMS(%(img2d)s)[2];\n        img2d_dim[2]=PyArray_DIMS(%(img2d)s)[1];\n       ...