fix(LargeBlock): Remove pathlib for python2 support

Signed-off-by: Damien Thenot <[email protected]>

drivers/LargeBlockSR.py

@@ -21,7 +21,6 @@
 import util
 import xs_errors
 import os
-import pathlib
 
 CAPABILITIES = ["SR_PROBE", "SR_UPDATE", "SR_SUPPORTS_LOCAL_CACHING",
                 "VDI_CREATE", "VDI_DELETE", "VDI_ATTACH", "VDI_DETACH",
@@ -71,17 +70,15 @@ def create(self, sr_uuid, size):
     def create_loopdev(self, dev, new_path):
         cmd = ["losetup", "-f", "-v", "--show", "--sector-size", str(self.LOOP_SECTOR_SIZE), dev]
         self.loopdev = util.pread2(cmd).rstrip()
-        new_path = pathlib.Path(new_path)
 
         try:
             os.symlink(self.loopdev, new_path)
         except FileExistsError as e:
             raise xs_errors.XenError("SymlinkExist", opterr="Symlink {} couldn't be created".format(new_path))
 
     def delete_loopdev(self, dev, new_path):
-            new_path = pathlib.Path(new_path)
-            if new_path.exists() and new_path.is_symlink():
-                new_path.unlink()
+            if os.path.exists(new_path) and os.path.islink(new_path):
+                os.unlink(new_path)
 
             # The backing file isn't a symlink if given by ID in device-config but the real device
             dev = os.path.realpath(dev)