From ab22396cb3a5b317b58cca8938e1d06baeca2edb Mon Sep 17 00:00:00 2001
From: Zane Bitter <zbitter@redhat.com>
Date: Fri, 7 Dec 2012 12:22:53 +0100
Subject: [PATCH] Get rid of naked except: clauses

The only time it is legitimate to catch all exceptions is when the
exception is rethrown.

Change-Id: If72243d7a2c73b42de01d2a59514ead76c20d034
Signed-off-by: Zane Bitter <zbitter@redhat.com>
---
 heat/client.py         | 2 +-
 heat/common/auth.py    | 2 +-
 heat/common/context.py | 2 +-
 heat/common/wsgi.py    | 4 ++--
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/heat/client.py b/heat/client.py
index ea25cdf1..1d76a7f4 100644
--- a/heat/client.py
+++ b/heat/client.py
@@ -81,7 +81,7 @@ class V1Client(base_client.BaseClient):
             try:
                 result = self.stack_request("DescribeStackResources", "GET",
                                         **parameters)
-            except:
+            except Exception:
                 logger.debug("Failed to lookup resource details with key %s:%s"
                              % (lookup_key, lookup_value))
             else:
diff --git a/heat/common/auth.py b/heat/common/auth.py
index 52811cdf..b4eb3892 100644
--- a/heat/common/auth.py
+++ b/heat/common/auth.py
@@ -241,7 +241,7 @@ class KeystoneStrategy(BaseStrategy):
             try:
                 body = json.loads(resp_body)
                 msg = body['error']['message']
-            except:
+            except (ValueError, KeyError):
                 msg = resp_body
             raise exception.KeystoneError(resp.status, msg)
 
diff --git a/heat/common/context.py b/heat/common/context.py
index 70f3f7ec..a135755d 100644
--- a/heat/common/context.py
+++ b/heat/common/context.py
@@ -188,7 +188,7 @@ class ContextMiddleware(wsgi.Middleware):
             tenant_id = headers.get('X-Tenant-Id')
             auth_url = headers.get('X-Auth-Url')
             roles = headers.get('X-Roles')
-        except:
+        except Exception:
             raise exception.NotAuthenticated()
 
         req.context = self.make_context(auth_token=token,
diff --git a/heat/common/wsgi.py b/heat/common/wsgi.py
index 8f896287..53813e55 100644
--- a/heat/common/wsgi.py
+++ b/heat/common/wsgi.py
@@ -482,7 +482,7 @@ class XMLResponseSerializer(object):
                         # otherwise quotes get mangled and json.loads breaks
                         try:
                             subelement.text = json.dumps(value)
-                        except:
+                        except TypeError:
                             subelement.text = str(value)
                 else:
                     self.object_to_element(value, subelement)
@@ -583,7 +583,7 @@ class Resource(object):
                 try:
                     err_body = action_result.get_unserialized_body()
                     serializer.default(action_result, err_body)
-                except:
+                except Exception:
                     logging.warning("Unable to serialize exception response")
 
             return action_result
-- 
2.45.2