Function stream_python_file

numpy/core/src/multiarray/textreading/stream_pyobject.c:126–158

NPY_NO_EXPORT stream *
stream_python_file(PyObject *obj, const char *encoding)
{
    python_chunks_from_file *fb;

    fb = (python_chunks_from_file *)PyMem_Calloc(1, sizeof(python_chunks_from_file));
    if (fb == NULL) {
        PyErr_NoMemory();
        return NULL;
    }

    fb->stream.stream_nextbuf = (void *)&fb_nextbuf;
    fb->stream.stream_close = &fb_del;

    fb->encoding = encoding;
    Py_INCREF(obj);
    fb->file = obj;

    fb->read = PyObject_GetAttrString(obj, "read");
    if (fb->read == NULL) {
        goto fail;
    }
    fb->chunksize = PyLong_FromLong(READ_CHUNKSIZE);
    if (fb->chunksize == NULL) {
        goto fail;
    }

    return (stream *)fb;

fail:
    fb_del((stream *)fb);
    return NULL;
}


/*