reader accept Path obj

src/ClusterReader.c

@@ -17,22 +17,31 @@ typedef struct {
 static int ClusterFileReader_init(ClusterFileReader *self, PyObject *args,
                                   PyObject *Py_UNUSED(kwds)) {
 
-    // Parse file name
+    // Parse file name, accepts string or pathlike objects
     const char *fname = NULL;
-    if (!PyArg_ParseTuple(args, "s", &fname))
+    PyObject* buf;
+    Py_ssize_t len;
+
+    if (!PyArg_ParseTuple(args, "O&", PyUnicode_FSConverter, &buf))
         return -1;
+    PyBytes_AsStringAndSize(buf, &fname, &len);
 
     self->fp = fopen(fname, "rb");
     self->n_left = 0;
 
+    //Keep the return code to not return before releasing buffer
+    int rc = 0;
+
     // Raise python exception using information from errno
     if (self->fp == NULL) {
         PyErr_SetFromErrnoWithFilename(PyExc_OSError, fname);
-        return -1;
+        rc = -1;
     }
+    //Release buffer
+    Py_DECREF(buf)
 
-    // Success
-    return 0;
+    // Success or fail
+    return rc;
 }
 
 // Custom destructor to make sure we close the file