add: comments and docstrings to get_lake_relation.py

server/map_handler/get_lake_relation.py

@@ -2,7 +2,15 @@ from server.consts import LAKE_RELATIONS_PATH
 
 
 # Writes contents of a lake json file to the response
-def get_map_data(self, file_name, measurement: bool):
+def get_map_data(self, file_name: str, measurement: bool):
+    """
+        Reads a map file and writes its contents to the response object.
+
+            Parameters:
+                self (BaseHTTPRequestHandler): A instance of a BaseHTTPRequestHandler
+                file_name (str): The name of the requested file/lake
+                measurement (bool): Whether the file is of type _measurements.json or _div.json
+    """
     try:
         if measurement:
             file_type = "_measurements.json"
@@ -13,6 +21,7 @@ def get_map_data(self, file_name, measurement: bool):
         with open(LAKE_RELATIONS_PATH + file_name + file_type, "r") as file:
             data = file.read()
 
+        # Set HTTP headers
         self.send_response(200)
         self.send_header("Content-type", "application/json")
         self.end_headers()
@@ -23,7 +32,7 @@ def get_map_data(self, file_name, measurement: bool):
         self.send_response(404)
         self.send_header("Content-type", "application/json")
         self.end_headers()
-    except Exception as e:
+    except Exception:
         self.send_response(500)
         self.send_header("Content-type", "application/json")
         self.end_headers()