Convert all databases modules to python3 and 2.4 syntax (#3688)

lib/ansible/modules/database/postgresql/postgresql_db.py

@@ -280,7 +280,8 @@ def main():
                                               .ISOLATION_LEVEL_AUTOCOMMIT)
         cursor = db_connection.cursor(
                 cursor_factory=psycopg2.extras.DictCursor)
-    except Exception, e:
+    except Exception:
+        e = get_exception()
         module.fail_json(msg="unable to connect to database: %s" % e)
 
     try:
@@ -295,21 +296,25 @@ def main():
         if state == "absent":
             try:
                 changed = db_delete(cursor, db)
-            except SQLParseError, e:
+            except SQLParseError:
+                e = get_exception()
                 module.fail_json(msg=str(e))
 
         elif state == "present":
             try:
                 changed = db_create(cursor, db, owner, template, encoding,
                                 lc_collate, lc_ctype)
-            except SQLParseError, e:
+            except SQLParseError:
+                e = get_exception()
                 module.fail_json(msg=str(e))
-    except NotSupportedError, e:
+    except NotSupportedError:
+        e = get_exception()
         module.fail_json(msg=str(e))
     except SystemExit:
         # Avoid catching this on Python 2.4 
         raise
-    except Exception, e:
+    except Exception:
+        e = get_exception()
         module.fail_json(msg="Database query failed: %s" % e)
 
     module.exit_json(changed=changed, db=db)

lib/ansible/modules/database/postgresql/postgresql_privs.py

@@ -573,7 +573,8 @@ def main():
         module.fail_json(msg='Python module "psycopg2" must be installed.')
     try:
         conn = Connection(p)
-    except psycopg2.Error, e:
+    except psycopg2.Error:
+        e = get_exception()
         module.fail_json(msg='Could not connect to database: %s' % e)
 
     try:
@@ -613,11 +614,13 @@ def main():
             schema_qualifier=p.schema
         )
 
-    except Error, e:
+    except Error:
+        e = get_exception()
         conn.rollback()
         module.fail_json(msg=e.message)
 
-    except psycopg2.Error, e:
+    except psycopg2.Error:
+        e = get_exception()
         conn.rollback()
         # psycopg2 errors come in connection encoding, reencode
         msg = e.message.decode(conn.encoding).encode(sys.getdefaultencoding(),

lib/ansible/modules/database/postgresql/postgresql_user.py

@@ -290,7 +290,8 @@ def user_alter(cursor, module, user, password, role_attr_flags, encrypted, expir
 
         try:
             cursor.execute(' '.join(alter), query_password_data)
-        except psycopg2.InternalError, e:
+        except psycopg2.InternalError:
+            e = get_exception()
             if e.pgcode == '25006':
                 # Handle errors due to read-only transactions indicated by pgcode 25006
                 # ERROR:  cannot execute ALTER ROLE in a read-only transaction
@@ -298,7 +299,7 @@ def user_alter(cursor, module, user, password, role_attr_flags, encrypted, expir
                 module.fail_json(msg=e.pgerror)
                 return changed
             else:
-                raise psycopg2.InternalError, e
+                raise psycopg2.InternalError(e)
 
         # Grab new role attributes.
         cursor.execute(select, {"user": user})
@@ -551,7 +552,8 @@ def main():
     no_password_changes = module.params["no_password_changes"]
     try:
         role_attr_flags = parse_role_attrs(module.params["role_attr_flags"])
-    except InvalidFlagsError, e:
+    except InvalidFlagsError:
+        e = get_exception()
         module.fail_json(msg=str(e))
     if module.params["encrypted"]:
         encrypted = "ENCRYPTED"
@@ -583,7 +585,8 @@ def main():
     try:
         db_connection = psycopg2.connect(**kw)
         cursor = db_connection.cursor(cursor_factory=psycopg2.extras.DictCursor)
-    except Exception, e:
+    except Exception:
+        e = get_exception()
         module.fail_json(msg="unable to connect to database: %s" % e)
 
     kw = dict(user=user)
@@ -594,16 +597,19 @@ def main():
         if user_exists(cursor, user):
             try:
                 changed = user_alter(cursor, module, user, password, role_attr_flags, encrypted, expires, no_password_changes)
-            except SQLParseError, e:
+            except SQLParseError:
+                e = get_exception()
                 module.fail_json(msg=str(e))
         else:
             try:
                 changed = user_add(cursor, user, password, role_attr_flags, encrypted, expires)
-            except SQLParseError, e:
+            except SQLParseError:
+                e = get_exception()
                 module.fail_json(msg=str(e))
         try:
             changed = grant_privileges(cursor, user, privs) or changed
-        except SQLParseError, e:
+        except SQLParseError:
+            e = get_exception()
             module.fail_json(msg=str(e))
     else:
         if user_exists(cursor, user):
@@ -614,7 +620,8 @@ def main():
                 try:
                     changed = revoke_privileges(cursor, user, privs)
                     user_removed = user_delete(cursor, user)
-                except SQLParseError, e:
+                except SQLParseError:
+                    e = get_exception()
                     module.fail_json(msg=str(e))
                 changed = changed or user_removed
                 if fail_on_user and not user_removed: