Add new node algo, NodeAlgorithm.by_players

pomice/enums.py

@@ -35,11 +35,15 @@ class NodeAlgorithm(Enum):
         NodeAlgorithm.by_region returns a node based on its voice region,
         which the region is specified by the user in the method as an arg. 
         This method will only work if you set a voice region when you create a node.
+
+        NodeAlgorithm.by_players return a nodes based on how many players it has.
+        This algorithm prefers nodes with the least amount of players.
     """
 
     # We don't have to define anything special for these, since these just serve as flags
     by_ping = auto()
     by_region = auto()
+    by_players = auto()
 
     def __str__(self) -> str:
         return self.value

pomice/pool.py

@@ -466,6 +466,10 @@ class NodePool:
          Use NodeAlgorithm.by_region if you want to get the best node
          based on the node's voice region. This method will only work
          if you set a voice region when you create a node.
+
+         Use NodeAlgorithm.by_players if you want to get the best node
+         based on how players it has. This method will return a node with
+         the least amount of players
         """
         available_nodes = [node for node in cls._nodes.values() if node._available]
 
@@ -475,6 +479,10 @@ class NodePool:
         if algorithm == NodeAlgorithm.by_ping:
             tested_nodes = {node: node.latency for node in available_nodes}
             return min(tested_nodes, key=tested_nodes.get)
+
+        elif algorithm == NodeAlgorithm.by_players:
+            tested_nodes = {node: len(node.players.keys()) for node in available_nodes}
+            return min(tested_nodes, key=tested_nodes.get)
             
         else:
             if voice_region == None: