Merge pull request #965 from karolinavelkaja/get_core_info_reader

Using DictReader for getting core info from 'list caches' command output

test/functional/api/cas/core.py

@@ -2,6 +2,8 @@
 # Copyright(c) 2019-2021 Intel Corporation
 # SPDX-License-Identifier: BSD-3-Clause-Clear
 #
+import csv
+import io
 from datetime import timedelta
 from typing import List
 
@@ -46,14 +48,13 @@ class Core(Device):
 
     def __get_core_info(self):
         output = casadm.list_caches(OutputFormat.csv, by_id_path=True)
-        split_line = next(
-            line.split(',') for line in output.stdout.splitlines()
-            if line.startswith("core") and self.core_device.path in line
-        )
-        return {"core_id": split_line[1],
-                "core_device": split_line[2],
-                "status": split_line[3],
-                "exp_obj": split_line[5]}
+        reader = csv.DictReader(io.StringIO(output.stdout))
+        for row in reader:
+            if row['type'] == "core" and row['disk'] == self.core_device.path:
+                return {"core_id": row['id'],
+                        "core_device": row['disk'],
+                        "status": row['status'],
+                        "exp_obj": row['device']}
 
     def create_filesystem(self, fs_type: disk_utils.Filesystem, force=True, blocksize=None):
         super().create_filesystem(fs_type, force, blocksize)