[sanlock] 04/14: python: Apply pypath_converter to get_alignment API

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nsoffer pushed a commit to branch master
in repository sanlock.

commit 7c697440cb0946926402a02a7534cf2272226853
Author: Amit Bawer 
AuthorDate: Tue Jun 4 00:15:37 2019 +0300

python: Apply pypath_converter to get_alignment API

We should be able to parse device path as either unicode or bytes.

New stub test was added for get_alignment API for path premutations
    with no xfails expected.
---
 python/sanlock.c     | 16 ++++++++++------
 tests/python_test.py |  2 +-
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/python/sanlock.c b/python/sanlock.c
index 1a983ee..334b237 100644
--- a/python/sanlock.c
+++ b/python/sanlock.c
@@ -352,17 +352,17 @@ Get device alignment.");
 static PyObject *
 py_get_alignment(PyObject *self __unused, PyObject *args)
 {
-    int rv;
-    const char *path;
+    int rv = -1;
+    PyObject *path = NULL;
     struct sanlk_disk disk;

/* parse python tuple */
-    if (!PyArg_ParseTuple(args, "s", &path)) {
-        return NULL;
+    if (!PyArg_ParseTuple(args, "O&", pypath_converter, &path)) {
+        goto finally;
     }

memset(&disk, 0, sizeof(struct sanlk_disk));
-    strncpy(disk.path, path, SANLK_PATH_LEN - 1);
+    strncpy(disk.path, PyBytes_AsString(path), SANLK_PATH_LEN - 1);

/* get device alignment (gil disabled) */
     Py_BEGIN_ALLOW_THREADS
@@ -371,9 +371,13 @@ py_get_alignment(PyObject *self __unused, PyObject *args)

if (rv < 0) {
         __set_exception(rv, "Unable to get device alignment");
-        return NULL;
+        goto finally;
     }

+finally:
+    Py_XDECREF(path);
+    if (rv < 0)
+        return NULL;
     return Py_BuildValue("i", rv);
 }

diff --git a/tests/python_test.py b/tests/python_test.py
index 56d0c99..b251c07 100644
--- a/tests/python_test.py
+++ b/tests/python_test.py
@@ -636,7 +636,7 @@ def test_init_resource_parse_args(no_sanlock_daemon, name, filename, encoding):
     with raises_sanlock_errno(errno.ENOENT):
         sanlock.init_resource(name, b"res_name", disks)

[e-mail]("filename,encoding", FILE_NAMES)
[e-mail]("filename,encoding", FILE_NAMES_NO_XFAILS)
 def test_get_alignment_parse_args(no_sanlock_daemon, filename, encoding):
     path = util.generate_path("/tmp/", filename, encoding)
     with raises_sanlock_errno(errno.ENOENT):