Merge pull request #2633 from shbhmexe/fix/python-bare-except-clauses

fix: Replace bare except clauses with specific exception types in Python utilities

Author: pcarruscag

SU2_PY/SU2/__init__.py

@@ -28,5 +28,5 @@ class DivergenceFailure(EvaluationFailure):
         readline.parse_and_bind("bind ^I rl_complete")
     else:
         readline.parse_and_bind("tab: complete")
-except:
-    pass
+except Exception:
+    pass  # readline is optional, continue without it

SU2_PY/SU2/io/config.py

@@ -94,7 +94,7 @@ def __init__(self, *args, **kwarg):
                 self.read(filename)
             except IOError:
                 print("Could not find config file: %s" % filename)
-            except:
+            except Exception:
                 print("Unexpected error: ", sys.exc_info()[0])
                 raise
         self._filename = filename

SU2_PY/SU2/util/bunch.py

@@ -82,7 +82,7 @@ def __contains__(self, k):
         """
         try:
             return hasattr(self, k) or dict.__contains__(self, k)
-        except:
+        except Exception:
             return False
 
     # only called if k not found in normal places
@@ -140,7 +140,7 @@ def __setattr__(self, k, v):
         except AttributeError:
             try:
                 self[k] = v
-            except:
+            except (KeyError, TypeError):
                 raise AttributeError(k)
         else:
             object.__setattr__(self, k, v)

SU2_PY/SU2/util/ordered_bunch.py

@@ -97,7 +97,7 @@ def __contains__(self, k):
         """
         try:
             return hasattr(self, k) or dict.__contains__(self, k)
-        except:
+        except Exception:
             return False
 
     # only called if k not found in normal places
@@ -160,7 +160,7 @@ def __setattr__(self, k, v):
         except AttributeError:
             try:
                 self[k] = v
-            except:
+            except (KeyError, TypeError):
                 raise AttributeError(k)
         else:
             object.__setattr__(self, k, v)