Untangle code and remove pylint disables

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / nova / __init__.py

diff --git a/src/adafruit_blinka/microcontroller/nova/__init__.py b/src/adafruit_blinka/microcontroller/nova/__init__.py
index 12ccf0c1c6f6a6696ead21d161e22d75dcedf6be..d6ab78cff0a6e7b7fae2153bf41203b57742add9 100644 (file)
--- a/src/adafruit_blinka/microcontroller/nova/__init__.py
+++ b/src/adafruit_blinka/microcontroller/nova/__init__.py
@@ -1,24 +1,36 @@
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""Generic Connection class for Binho Nova to keep track of connection"""
+
+
 class Connection:
+    """Connection class"""
+
     __instance = None
+
     @staticmethod
     def getInstance():
-        """ Static access method. """
+        """Static access method."""
         if Connection.__instance is None:
             Connection()
         return Connection.__instance
 
     def __init__(self):
-        """ Virtually private constructor. """
+        """Virtually private constructor."""
         if Connection.__instance is not None:
-            raise Exception("This class is a singleton!")
+            raise Exception(  # pylint: disable=broad-exception-raised
+                "This class is a singleton!"
+            )
 
+        # pylint: disable=import-outside-toplevel
         from binhoHostAdapter import binhoHostAdapter
         from binhoHostAdapter import binhoUtilities
 
-        utilities = binhoUtilities.binhoUtilities()
-        devices = utilities.listAvailableDevices()
+        # pylint: enable=import-outside-toplevel
+        devices = binhoUtilities.listAvailableDevices()
 
         if len(devices) > 0:
             Connection.__instance = binhoHostAdapter.binhoHostAdapter(devices[0])
         else:
-            raise RuntimeError('No Binho Nova found!')
+            raise RuntimeError("No Binho Nova found!")