Removed legacy 'portmap.ini' and fixed LGTM issue

Signed-off-by: Sangita Maity <sangitamaity0211@gmail.com>

src/sonic-config-engine/portconfig.py

@@ -41,7 +41,7 @@ def readJson(filename):
                 print("Json file does not exist")
         data_dict = ast.literal_eval(json.dumps(data))
         return data_dict
-    except:
+    except Exception as e:
         print("error occurred while parsing json:", sys.exc_info()[1])
         return None
 
@@ -54,7 +54,7 @@ def db_connect_configdb():
         return None
     try:
         config_db.connect()
-    except:
+    except Exception as e:
         config_db = None
     return config_db
 
@@ -109,7 +109,7 @@ def get_port_config(hwsku=None, platform=None, port_config_file=None, hwsku_conf
             port_alias_map = {}
             port_alias_asic_map = {}
             for intf_name in ports.keys():
-                port_alias_map[ports[intf_name]["alias"]]= intf_name
+                port_alias_map[ports[intf_name]["alias"]] = intf_name
             return (ports, port_alias_map, port_alias_asic_map)
 
     if not port_config_file:

src/sonic-daemon-base/sonic_daemon_base/daemon_base.py

@@ -27,7 +27,6 @@
 
 # Port config information
 PORT_CONFIG = 'port_config.ini'
-PORTMAP = 'portmap.ini'
 PLATFORM_CAP = 'platform.json'
 
 EEPROM_MODULE_NAME = 'eeprom'
@@ -159,10 +158,7 @@ def get_path_to_port_config_file(self):
             # platform.json doesn't exist. Try loading the legacy 'port_config.ini' file
             port_config_file_path = "/".join([hwsku_path, PORT_CONFIG])
             if not os.path.isfile(port_config_file_path):
-                # port_config.ini doesn't exist. Try loading the legacy 'portmap.ini' file
-                port_config_file_path = "/".join([hwsku_path, PORTMAP])
-                if not os.path.isfile(port_config_file_path):
-                    raise IOError("Failed to detect port config file: %s" % (port_config_file_path))
+                raise IOError("Failed to detect port config file: %s" % (port_config_file_path))
 
         return port_config_file_path