main (#1)

Reviewed-on: #1
Co-authored-by: Daniel Dolezal <d.dolezal97@protonmail.com>
Co-committed-by: Daniel Dolezal <d.dolezal97@protonmail.com>

server/Server.py

@@ -0,0 +1,103 @@
+from server.Files import read_file, save_file
+from server.GameStorage import GameStorage
+from snakes.TemplateSnake import TemplateSnake
+
+from datetime import datetime
+from flask import Flask
+from flask import request
+import logging, json, os
+
+class Server:
+  default_snake_config = {"apiversion":"1","author":"","color":"#888888","head":"default","tail":"default"}
+
+  def __init__(self, data_path:str, snake:TemplateSnake, debug:bool=False):
+    self.debug = debug
+    self.snake = snake
+
+    self.config_file = os.path.join(data_path, 'data', 'snake-config.json')
+    self.game_state_storage = GameStorage(snake.__class__.__name__, path=os.path.join(data_path, 'data', 'history'))
+    self.store_game_state = False
+
+    self.app = Flask("Battlesnake")
+
+    @self.app.get("/")
+    def on_info():
+      return self._info()
+
+    @self.app.post("/start")
+    def on_start():
+      game_state = request.get_json()
+      self._start(game_state)
+      return "ok"
+
+    @self.app.post("/move")
+    def on_move():
+      game_state = request.get_json()
+      return self._move(game_state)
+
+    @self.app.post("/end")
+    def on_end():
+      game_state = request.get_json()
+      self._end(game_state)
+      return "ok"
+
+    @self.app.after_request
+    def identify_server(response):
+      response.headers.set(
+        "server", "battlesnake/github/starter-snake-python"
+      )
+      return response
+
+  def run(self, host:str="0.0.0.0", port:str="8000", debug:bool=False):
+    logging.getLogger("werkzeug").setLevel(logging.ERROR)
+
+    print(f"\nRunning Battlesnake at http://{host}:{port} with the {self.snake.__class__.__name__.replace('Snake', '')} Snake")
+    self.app.run(host=host, port=port, debug=debug)
+
+  def _read_json_config_or_create(self):
+    snake_config = read_file(self.config_file, json.load)
+    if not snake_config:
+      snake_config = self.default_snake_config
+      save_file(self.config_file, snake_config, callback=json.dump, indent=2, ensure_ascii=False)
+    return snake_config
+
+  def enable_store_game_state(self):
+    self.store_game_state = True
+
+  # info is called when you create your Battlesnake on play.battlesnake.com
+  # and controls your Battlesnake's appearance
+  # TIP: If you open your Battlesnake URL in a browser you should see this data
+  def _info(self) -> dict:
+    snake_config = self._read_json_config_or_create()
+    print("INFO Snake:", snake_config)
+    return snake_config
+
+  # start is called when your Battlesnake begins a game
+  def _start(self, game_state:dict):
+    if self.store_game_state:
+      self.game_state_storage.start_new_game(game_state["game"], game_state["board"], game_state["you"])
+
+    self.snake.clear_history()
+    print("GAME START:", game_state["game"])
+
+  # move is called when your Battlesnake game is running game
+  def _move(self, game_state:dict) -> dict:
+    next_move = self.snake.choose_move(game_state)
+
+    if self.store_game_state:
+      self.game_state_storage.add_moves(game_state["board"], next_move)
+
+    print("MOVE:", f"{next_move:5},", "Me:", {"head": game_state["you"]["head"], "length": game_state["you"]["length"]})
+    return {"move": next_move}
+
+  # end is called when your Battlesnake finishes a game
+  def _end(self, game_state:dict):
+    if self.store_game_state:
+      self.game_state_storage.add_end_state(game_state["board"], self.snake.get_history())
+      self.game_state_storage.set_winner_snake_name(game_state["board"]['snakes'])
+      self.game_state_storage.save(
+        f"{self.snake.__class__.__name__}_{datetime.now().strftime('%d.%m.%Y_%H%M%S')}_{game_state['game']['id']}.json",
+        callback=json.dump, indent=2, ensure_ascii=False
+      )
+
+    print("GAME OVER:\n- Winner is", [ x["name"] for x in game_state["board"]['snakes']])