Restructure for better usability

lib/decoder.py

@@ -0,0 +1,18 @@
+import struct
+
+class Decoder:
+    def decode_ascii(self, value: bytes) -> str:
+        try:
+            return value.decode()
+        except:
+            return 'Error'
+
+    def decode_float(self, value: bytes) -> float:
+        return struct.unpack('>f', bytes.fromhex(str(value, 'ascii') + '00'))[0]
+
+    def decode_float_long(self, value: bytes) -> float:
+        return struct.unpack('>f', bytes.fromhex(str(value, 'ascii') + '0000'))[0]
+
+    def decode_int(self, value: bytes) -> int:
+        # return int.from_bytes(value, 'big')
+        return int(value, base=16)