add versions to snakes and read it in server class

server/Server.py

@@ -17,6 +17,7 @@ class Server:
     'color': '#888888',
     'head': 'default',
     'tail': 'default',
+    'version': '1.0.0',
   }
 
   def __init__(self, data_path:str, snake_type:str, storage_type:str, debug:bool=False, check_tls_security:bool=False):
@@ -42,6 +43,7 @@ class Server:
       'max_turn': 0,
     }
     self.logger = build_logger('Battlesnake', debug_env_var='DEBUG_SERVER')
+    self.snake_version = self._get_snake_version()
 
     self.app = Quart('Battlesnake')
 
@@ -134,12 +136,36 @@ class Server:
     return await self._override_snake_config_with_environment_variables(snake_config)
 
   async def _override_snake_config_with_environment_variables(self, config:dict[str, str]) -> dict[str, str]:
+    config['version'] = self.snake_version
+
     for key in ('author', 'color', 'head', 'tail'):
       value = os.environ.get(f'SNAKE_{key.upper()}')
       if value is not None:
         config[key] = value
+
+    version_override = os.environ.get('SNAKE_VERSION')
+    if version_override is not None:
+      config['version'] = version_override
+
     return config
 
+  def _get_snake_version(self) -> str:
+    configured_version = SnakeBuilder.get_version(self.snake_type)
+    if configured_version:
+      return configured_version
+
+    try:
+      snake = SnakeBuilder.build(self.snake_type)
+    except Exception:
+      return self.default_snake_config['version']
+
+    version = getattr(snake, 'version', None)
+    if version is None:
+      version = getattr(snake, 'VERSION', None)
+    if not version:
+      return self.default_snake_config['version']
+    return str(version)
+
   async def _create_game_board(self, game_state:dict):
     game_id = game_state['game']['id']
     new_game_board = GameBoard(

server/SnakeBuilder.py

@@ -1,7 +1,19 @@
-
 class SnakeBuilder:
+  SNAKE_VERSIONS = {
+    "TemplateSnake": "1.0.0",
+    "DummSnake": "1.0.0",
+    "LogicSnake": "1.1.0",
+    "MasterSnake": "1.2.0",
+    "BetterMasterSnake": "1.3.0",
+    "BestBattleSnake": "2.5.0",
+  }
+
   @classmethod
   def build(self, selected_snake:str):
-    snake_module = __import__(f'snakes.{selected_snake}', fromlist=[selected_snake])
+    snake_module = __import__(f"snakes.{selected_snake}", fromlist=[selected_snake])
     snake_class = getattr(snake_module, selected_snake)
     return snake_class()
+
+  @classmethod
+  def get_version(self, selected_snake:str) -> str | None:
+    return self.SNAKE_VERSIONS.get(selected_snake)

snakes/BestBattleSnake.py

@@ -6,6 +6,8 @@ import os
 from snakes.TemplateSnake import TemplateSnake
 
 class BestBattleSnake(TemplateSnake):
+  VERSION = "2.5.0"
+
   DIRECTIONS = {
     "up": (0, 1),
     "down": (0, -1),
@@ -23,6 +25,7 @@ class BestBattleSnake(TemplateSnake):
   def __init__(self):
     super().__init__()
     self.name = "BestBattleSnake"
+    self.version = self.VERSION
     self.recent_heads = deque(maxlen=14)
     self.last_move = None
     self.last_game_id = None

snakes/BetterMasterSnake.py

@@ -3,9 +3,12 @@ from server.GameBoard import GameBoard
 from collections import deque
 
 class BetterMasterSnake(TemplateSnake):
+  VERSION = "1.3.0"
+
   def __init__(self):
     super().__init__()
     self.name = "BetterMasterSnake"
+    self.version = self.VERSION
     # Definiere die möglichen Bewegungsrichtungen
     self.min_safe_area = 2
 

snakes/DummSnake.py

@@ -3,6 +3,8 @@ from snakes.TemplateSnake import TemplateSnake
 import random
 
 class DummSnake(TemplateSnake):
+  VERSION = "1.0.0"
+
   def choose_move(self, data: dict) -> str:
     is_move_safe = {"up": True, "down": True, "left": True, "right": True}
 

snakes/LogicSnake.py

@@ -4,6 +4,8 @@ import random
 from scipy import spatial
 
 class LogicSnake(TemplateSnake):
+  VERSION = "1.1.0"
+
   def avoid_my_body(self, my_body, possible_moves: dict) -> list:
     """
     my_body: List of dictionaries of x/y coordinates for every segment of a Battlesnake.

snakes/MasterSnake.py

@@ -1,9 +1,12 @@
 from snakes.TemplateSnake import TemplateSnake
 
 class MasterSnake(TemplateSnake):
+  VERSION = "1.2.0"
+
   def __init__(self):
     super().__init__()
     self.name = "MasterSnake"
+    self.version = self.VERSION
     self.disabled_find_near_by_food = True
 
   def is_food_nearby(self, head, food_positions):

snakes/TemplateSnake.py

@@ -2,9 +2,13 @@ from server.GameBoard import GameBoard
 import random
 
 class TemplateSnake:
+  VERSION = "1.0.0"
+
   def __init__(self):
     self.history = []
     self.target_food = None
+    self.name = self.__class__.__name__
+    self.version = getattr(self, "VERSION", "1.0.0")
 
   def clear_history(self):
     self.history = []