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[Docs] Lazy import gguf #20785

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Merged
simon-mo merged 2 commits into from
Jul 10, 2025
Merged

[Docs] Lazy import gguf #20785

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7680faa
[Docs] Lazy import gguf
simon-mo Jul 10, 2025
edd9ace
get_model_cls
simon-mo Jul 10, 2025
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6 changes: 5 additions & 1 deletion vllm/entrypoints/score_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,6 @@
ChatCompletionContentPartImageParam, ChatCompletionContentPartTextParam,
MultiModalItemTracker, _ContentPart, _parse_chat_message_content_part)
from vllm.inputs import TokensPrompt
from vllm.model_executor.model_loader import get_model_cls
from vllm.model_executor.models.interfaces import supports_score_template
from vllm.multimodal.inputs import MultiModalDataDict
from vllm.outputs import PoolingRequestOutput
Expand Down Expand Up @@ -140,6 +139,8 @@ def apply_score_template(
prompt_1: str,
prompt_2: str,
) -> str:
# NOTE(Simon): lazy import to avoid bring in all dependencies (e.g. gguf)
from vllm.model_executor.model_loader import get_model_cls

model = get_model_cls(model_config)
if supports_score_template(model):
Expand All @@ -162,6 +163,9 @@ def post_process_tokens(
Note:
This is an in-place operation.
"""
# NOTE(Simon): lazy import to avoid bring in all dependencies (e.g. gguf)
from vllm.model_executor.model_loader import get_model_cls

model = get_model_cls(model_config)
if supports_score_template(model):
model.post_process_tokens(prompt)
Expand Down
6 changes: 5 additions & 1 deletion vllm/model_executor/model_loader/weight_utils.py
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Expand Up @@ -14,7 +14,6 @@
from typing import Any, Callable, Optional, Union

import filelock
import gguf
import huggingface_hub.constants
import numpy as np
import torch
Expand All @@ -40,6 +39,11 @@
SafetensorsStreamer = runai_model_streamer.placeholder_attr(
"SafetensorsStreamer")

try:
import gguf
except ImportError:
gguf = PlaceholderModule("gguf")

try:
from fastsafetensors import SafeTensorsFileLoader, SingleGroup
except ImportError:
Expand Down