diff mbox series

[07/15] scripts/qom-fuse: Apply pylint rules

Message ID 20201021185208.1611145-8-jsnow@redhat.com
State New
Headers show
Series python: absorb scripts/qmp/qom-* tooling | expand

Commit Message

John Snow Oct. 21, 2020, 6:52 p.m. UTC 
- Catch specific exceptions from QMP
- Reraise errors with explicit context
- method parameters should match parent's names

Signed-off-by: John Snow <jsnow@redhat.com>
---
 scripts/qmp/qom-fuse | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

Comments

Philippe Mathieu-Daudé Oct. 24, 2020, 7:57 p.m. UTC | #1 
On 10/21/20 8:52 PM, John Snow wrote:
> - Catch specific exceptions from QMP
> - Reraise errors with explicit context
> - method parameters should match parent's names
> 
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>   scripts/qmp/qom-fuse | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
diff mbox series

Patch

diff --git a/scripts/qmp/qom-fuse b/scripts/qmp/qom-fuse
index ca30e92867..805e99c8ec 100755
--- a/scripts/qmp/qom-fuse
+++ b/scripts/qmp/qom-fuse
@@ -23,7 +23,7 @@  from fuse import FUSE, FuseOSError, Operations
 
 
 sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'python'))
-from qemu.qmp import QEMUMonitorProtocol
+from qemu.qmp import QEMUMonitorProtocol, QMPResponseError
 
 
 fuse.fuse_python_api = (0, 2)
@@ -47,7 +47,7 @@  class QOMFS(Operations):
         try:
             self.qmp.command('qom-list', path=path)
             return True
-        except:
+        except QMPResponseError:
             return False
 
     def is_property(self, path):
@@ -59,7 +59,7 @@  class QOMFS(Operations):
                 if item['name'] == prop:
                     return True
             return False
-        except:
+        except QMPResponseError:
             return False
 
     def is_link(self, path):
@@ -73,10 +73,10 @@  class QOMFS(Operations):
                         return True
                     return False
             return False
-        except:
+        except QMPResponseError:
             return False
 
-    def read(self, path, length, offset, fh):
+    def read(self, path, size, offset, fh):
         if not self.is_property(path):
             return -ENOENT
 
@@ -86,13 +86,13 @@  class QOMFS(Operations):
         try:
             data = self.qmp.command('qom-get', path=path, property=prop)
             data += '\n'  # make values shell friendly
-        except:
-            raise FuseOSError(EPERM)
+        except QMPResponseError as err:
+            raise FuseOSError(EPERM) from err
 
         if offset > len(data):
             return ''
 
-        return bytes(data[offset:][:length], encoding='utf-8')
+        return bytes(data[offset:][:size], encoding='utf-8')
 
     def readlink(self, path):
         if not self.is_link(path):