updated path module

modules/path.py

@@ -1,28 +1,40 @@
 # Module for PATH actions
 import os
-os.popen('cls')
-existing_path_value_l = os.popen('PATH').read()[5:].replace('\n', '')  # Get the existing path value
-print('Existing path value: ' + existing_path_value_l)
-existing_path_value_s = set()
-for i in existing_path_value_l.split(';'):
-    existing_path_value_s.add(i + ';')
-existing_path_value_s = list(existing_path_value_s)
-existing_path_value_s.sort()
-existing_path_value = str()
-for i in existing_path_value_s:
-    existing_path_value += i
+import winreg
+
+
+def get_path() -> str:
+    """
+    Returns the current PATH variable
+    """
+    existing_path_value_s = set()
+    for i in os.popen('PATH').read()[5:].replace('\n', '').split(';'):
+        existing_path_value_s.add(i + ';')
+    existing_path_value = str()
+    for i in sorted(list(existing_path_value_s)):
+        existing_path_value += i
+
+    return existing_path_value
 
 
 def add_to_path(program_path: str):
-    import winreg
+    """
+    Adds a program to the PATH variable
+    """
+    existing_path_value = get_path()
     with winreg.ConnectRegistry(None, winreg.HKEY_CURRENT_USER) as root:  # Get the current user's registry
         with winreg.OpenKey(root, "Environment", 0, winreg.KEY_ALL_ACCESS) as key:  # Open the environment key
-            new_path_value = existing_path_value + f'{";" if existing_path_value[-1] != ";" else ""}' + \
-                             program_path + ';' + program_path + "\\apps;"  # Create new
+            new_path_value = \
+                existing_path_value + \
+                f'{";" if existing_path_value[-1] != ";" else ""}' + \
+                program_path + ';' + program_path + "\\apps;"  # Create new path value
             winreg.SetValueEx(key, "PATH", 0, winreg.REG_EXPAND_SZ, new_path_value)  # Update the path value
 
 
 def add_var(horsy_path: str):
+    """
+    Creates HORSYPATH environment variable
+    """
     import winreg
     with winreg.ConnectRegistry(None, winreg.HKEY_CURRENT_USER) as root:  # Get the current user's registry
         with winreg.OpenKey(root, "Environment", 0, winreg.KEY_ALL_ACCESS) as key:  # Open the environment key