gistfile1.c

static int
context_init(PyObject *self, PyObject *args, PyObject *kwds)
{
    static char *kwlist[] = {
      "prec", "rounding", "Emin", "Emax", "capitals", "clamp",
      "flags", "traps", "_allcr", NULL 
    };   
    PyObject *rounding = NULL;
    PyObject *traps = NULL;
    PyObject *status = NULL;
    mpd_context_t *ctx, t=dflt_ctx;
    int capitals = 1; 
    int ret; 

    assert(PyTuple_Check(args));
    ctx = CTX(self);

    if (default_context_template) {
        t = *CTX(default_context_template);
    }    
    if (!PyArg_ParseTupleAndKeywords(
            args, kwds,
            "|" CONV_mpd_ssize_t "O" CONV_mpd_ssize_t CONV_mpd_ssize_t "ii" 
            "OOi", kwlist,
            &t.prec, &rounding, &t.emin, &t.emax, &capitals, &t.clamp,
            &status, &traps, &t.allcr
         )) {
        return -1;
    }    
    if (rounding != NULL) {
        if ((t.round = getround(rounding)) < 0) { 
            return -1;
        }
    }    

    if (!mpd_qsetprec(ctx, t.prec) ||
        !mpd_qsetemin(ctx, t.emin) ||
        !mpd_qsetemax(ctx, t.emax) ||
        !mpd_qsetclamp(ctx, t.clamp) ||
        !mpd_qsetcr(ctx, t.allcr)) {
        return value_error_int("invalid context.");
    }    
    if (!mpd_qsetround(ctx, t.round) ||
        !mpd_qsettraps(ctx, t.traps) ||
        !mpd_qsetstatus(ctx, t.status)) {
        return type_error_int("invalid context.");
    }    

    if (capitals != 0 && capitals != 1) { 
        return value_error_int("invalid context.");
    }    
    CtxCaps(self) = capitals;

    if (traps != NULL) {
        if (PyInt_Check(traps) || PyLong_Check(traps)) {
            ret = context_settraps(self, traps, NULL);
        }
        else if (PyList_Check(traps)) {
            ret = context_settraps_list(self, traps);
        }
        else {
            ret = context_settraps_dict(self, traps);
        }
        if (ret < 0) { 
            return ret; 
        }
    }    

    if (status != NULL) {
        if (PyInt_Check(status) || PyLong_Check(status)) {
            ret = context_setstatus(self, status, NULL);
        }
        else if (PyList_Check(status)) {
            ret = context_setstatus_list(self, status);
        }
        else {
            ret = context_setstatus_dict(self, status);
        }
        if (ret < 0) { 
            return ret; 
        }
    }    

    return 0;
}