OOP full overhaul

extron.py

@@ -0,0 +1,88 @@
+# w == escape
+# | == carriage return
+from types import LambdaType
+from typing import Callable
+from serialdevice import SerialDevice
+
+# \x1b == ESC
+C: Callable[[str], str] = lambda command: f"\x1b{command}\r"
+
+
+class ExtronSerial(SerialDevice):
+    ERRORS = {
+        "E01": "Invalid input number",
+        "E06": "Invalid switch attempt in this mode",
+        "E10": "Invalid command",
+        "E11": "Invalid preset number",
+        "E12": "Invalid port number",
+        "E13": "Invalid parameter",
+        "E14": "Not valid for this configuration",
+        "E17": "Invalid command for signal type",
+        "E22": "Busy",
+    }
+
+    EDIDS = {
+        "automatic": 0,
+        "1280x800": 14,
+        "720p60": 34,
+        "1080p60": 45,
+    }
+
+    # w == escape
+    # | == carriage return
+
+    def __init__(self) -> None:
+        serial_port = "/dev/serial/by-id/usb-Extron_Product-if00"
+        baudrate = 9600
+        super().__init__(serial_port, baudrate)
+
+    def send_command(self, command: str, verbose: bool = False) -> str:
+        response = super().send_command(command, verbose)
+
+        if response[0] == "E":
+            print(response, self.ERRORS.get(response, "Unknown"))
+
+        return response
+
+    def sleep(self) -> None:
+        self.send_command(C("1PSAV"))
+
+    def wake(self) -> None:
+        self.send_command(C("0PSAV"))
+
+    def change_input(self, input: int) -> None:
+        self.send_command(f"{input}!")
+
+    def is_sleeping(self) -> bool:
+        response = self.send_command(C("PSAV"))
+
+        return bool(int(response))
+
+    def volume_up(self) -> int:
+        volume = self.send_command("+V")
+        return int(volume[3:])
+
+    def volume_down(self) -> int:
+        volume = self.send_command("-V")
+        return int(volume[3:])
+
+    def current_volume(self) -> int:
+        return int(self.send_command("V"))
+
+    def menu_toggle(self) -> None:
+        self.send_command(C("MMENU"))
+
+    def menu_enter(self) -> None:
+        self.send_command(C("EMENU"))
+
+    def menu_up(self) -> None:
+        self.send_command(C("UMENU"))
+
+    def menu_down(self) -> None:
+        self.send_command(C("DMENU"))
+
+    def menu_left(self) -> None:
+        self.send_command(C("LMENU"))
+
+    def menu_right(self) -> None:
+        self.send_command(C("RMENU"))