From 5d2e74eb9770216a3fa5e967e4ed84438f444fcf Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <blacklight86@gmail.com>
Date: Mon, 24 Aug 2020 00:42:34 +0200
Subject: [PATCH] LINT fixes for LCD plugins

---
 platypush/plugins/lcd/__init__.py | 20 +++++---------------
 platypush/plugins/lcd/gpio.py     |  1 -
 platypush/plugins/lcd/i2c.py      |  3 +--
 3 files changed, 6 insertions(+), 18 deletions(-)

diff --git a/platypush/plugins/lcd/__init__.py b/platypush/plugins/lcd/__init__.py
index 275e9239a3..933ff2fd0a 100644
--- a/platypush/plugins/lcd/__init__.py
+++ b/platypush/plugins/lcd/__init__.py
@@ -1,16 +1,9 @@
 from abc import ABC, abstractmethod
-from enum import Enum
 from typing import List, Optional
 
 from platypush.plugins import Plugin, action
 
 
-class PinMode(Enum):
-    import RPi.GPIO
-    BOARD = RPi.GPIO.BOARD
-    BCM = RPi.GPIO.BCM
-
-
 class LcdPlugin(Plugin, ABC):
     """
     Abstract class for plugins to communicate with LCD displays.
@@ -21,23 +14,20 @@ class LcdPlugin(Plugin, ABC):
         * **RPi.GPIO** (``pip install RPi.GPIO``)
 
     """
-    import RPLCD.lcd
-
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
         self.lcd = None
 
     @staticmethod
     def _get_pin_mode(pin_mode: str) -> int:
+        import RPi.GPIO
+        pin_modes = ['BOARD', 'BCM']
         pin_mode = pin_mode.upper()
-        assert hasattr(PinMode, pin_mode), \
-            'Invalid pin_mode: {}. Supported modes: {}'.format(
-                pin_mode, list([mode.name for mode in PinMode if mode.name != 'RPi']))
-
-        return getattr(PinMode, pin_mode).value
+        assert pin_mode in pin_modes, 'Invalid pin_mode: {}. Supported modes: {}'.format(pin_mode, pin_modes)
+        return getattr(RPi.GPIO, pin_mode).value
 
     @abstractmethod
-    def _get_lcd(self) -> RPLCD.lcd.BaseCharLCD:
+    def _get_lcd(self):
         pass
 
     def _init_lcd(self):
diff --git a/platypush/plugins/lcd/gpio.py b/platypush/plugins/lcd/gpio.py
index 2f17208702..1fe9f024ff 100644
--- a/platypush/plugins/lcd/gpio.py
+++ b/platypush/plugins/lcd/gpio.py
@@ -1,6 +1,5 @@
 from typing import List, Optional
 
-from platypush.plugins import action
 from platypush.plugins.lcd import LcdPlugin
 
 
diff --git a/platypush/plugins/lcd/i2c.py b/platypush/plugins/lcd/i2c.py
index 1b6b85cb68..f76e9b8e66 100644
--- a/platypush/plugins/lcd/i2c.py
+++ b/platypush/plugins/lcd/i2c.py
@@ -1,6 +1,5 @@
-from typing import List, Optional
+from typing import Optional
 
-from platypush.plugins import action
 from platypush.plugins.lcd import LcdPlugin