fix: formatting (python)

Author: StellaLupus

tools/serial_parser.py

@@ -3,11 +3,8 @@
 import serial.tools.list_ports
 
 
-def substring_after(str: str, search_str: str):
-    return str[str.index(search_str) + len(search_str):]
-
-
 def get_port():
+    """Allow user to select com port to connect device"""
     ports = sorted(serial.tools.list_ports.comports())
     print("Available ports to listing:")
     for id, port_info in enumerate(ports):
@@ -26,10 +23,11 @@ def get_port():
 zero = 756
 one = 2149
 space = 752
-interv = 0.2
+interv = 0.25
 
 
 def get_bit_from_interv(value: int):
+    """Returning zero or one from value or 2 if not recognized"""
     if value > zero - zero * interv and value < zero + zero * interv:
         return 0
     elif value > one - one * interv and value < one + one * interv:
@@ -39,13 +37,15 @@ def get_bit_from_interv(value: int):
 
 
 def bit_list_to_int(bit_list):
+    """Convert list of bits to int"""
     out = 0
     for bit in bit_list:
         out = (out << 1) | bit
     return out
 
 
 def main():
+    """Main method"""
     port = get_port()
     print("Selected port:" + port.device)
 
@@ -54,12 +54,12 @@ def main():
         baudrate=115200,
     )
 
-    zero_sum = 0
-    zero_count = 0
-    one_sum = 0
-    one_cnt = 0
-    space_sum = 0
-    space_cnt = 0
+    ZERO_SUM = 0
+    ZERO_COUNT = 0
+    ONE_SUM = 0
+    ONE_CNT = 0
+    SPACE_SUM = 0
+    SPACE_CNT = 0
 
     while True:
         try:
@@ -77,15 +77,15 @@ def main():
 
             for idd, d in enumerate(data):
                 if idd % 2 == 0:
-                    space_sum += d
-                    space_cnt += 1
+                    SPACE_SUM += d
+                    SPACE_CNT += 1
                 else:
                     if get_bit_from_interv(d) == 0:
-                        zero_sum += d
-                        zero_count += 1
+                        ZERO_SUM += d
+                        ZERO_COUNT += 1
                     elif get_bit_from_interv(d) == 1:
-                        one_sum += d
-                        one_cnt += 1
+                        ONE_SUM += d
+                        ONE_CNT += 1
 
             print("Bit data = " + "".join([str(i) for i in bit_data]))
             print("Clear bit data = " +