[DP Attention] Refactor: adding some utility functions (#9136)

python/sglang/srt/models/gpt_oss.py

@@ -41,6 +41,7 @@ from sglang.srt.layers.dp_attention import (
     get_attention_tp_rank,
     get_attention_tp_size,
     get_local_attention_dp_size,
+    is_dp_attention_enabled,
 )
 from sglang.srt.layers.layernorm import RMSNorm
 from sglang.srt.layers.linear import (
@@ -565,7 +566,7 @@ class GptOssModel(nn.Module):
             self.embed_tokens = VocabParallelEmbedding(
                 config.vocab_size,
                 config.hidden_size,
-                enable_tp=not global_server_args_dict["enable_dp_attention"],
+                enable_tp=not is_dp_attention_enabled(),
                 prefix=add_prefix("embed_tokens", prefix),
             )
         else: