added pipeline_model_specializations file

Signed-off-by: Peter Staar <taa@zurich.ibm.com>

docling/datamodel/pipeline_model_specializations.py

@@ -0,0 +1,142 @@
+import logging
+from enum import Enum
+from pathlib import Path
+from typing import Any, ClassVar, Dict, List, Literal, Optional, Union
+
+from pydantic import (
+    AnyUrl,
+    BaseModel,
+)
+
+_log = logging.getLogger(__name__)
+
+
+class BaseVlmOptions(BaseModel):
+    kind: str
+    prompt: str
+
+
+class ResponseFormat(str, Enum):
+    DOCTAGS = "doctags"
+    MARKDOWN = "markdown"
+    HTML = "html"
+
+
+class InferenceFramework(str, Enum):
+    MLX = "mlx"
+    TRANSFORMERS = "transformers"
+    OPENAI = "openai"
+    TRANSFORMERS_AutoModelForVision2Seq = "transformers-AutoModelForVision2Seq"
+    TRANSFORMERS_AutoModelForCausalLM = "transformers-AutoModelForCausalLM"
+    TRANSFORMERS_LlavaForConditionalGeneration = (
+        "transformers-LlavaForConditionalGeneration"
+    )
+
+
+class HuggingFaceVlmOptions(BaseVlmOptions):
+    kind: Literal["hf_model_options"] = "hf_model_options"
+
+    repo_id: str
+    load_in_8bit: bool = True
+    llm_int8_threshold: float = 6.0
+    quantized: bool = False
+
+    inference_framework: InferenceFramework
+    response_format: ResponseFormat
+
+    scale: float = 2.0
+
+    use_kv_cache: bool = True
+    max_new_tokens: int = 4096
+
+    @property
+    def repo_cache_folder(self) -> str:
+        return self.repo_id.replace("/", "--")
+
+
+class ApiVlmOptions(BaseVlmOptions):
+    kind: Literal["api_model_options"] = "api_model_options"
+
+    url: AnyUrl = AnyUrl(
+        "http://localhost:11434/v1/chat/completions"
+    )  # Default to ollama
+    headers: Dict[str, str] = {}
+    params: Dict[str, Any] = {}
+    scale: float = 2.0
+    timeout: float = 60
+    response_format: ResponseFormat
+
+
+class VlmModelType(str, Enum):
+    SMOLDOCLING = "smoldocling"
+    GRANITE_VISION = "granite_vision"
+    GRANITE_VISION_OLLAMA = "granite_vision_ollama"
+
+
+# SmolDocling
+smoldocling_vlm_mlx_conversion_options = HuggingFaceVlmOptions(
+    repo_id="ds4sd/SmolDocling-256M-preview-mlx-bf16",
+    prompt="Convert this page to docling.",
+    response_format=ResponseFormat.DOCTAGS,
+    inference_framework=InferenceFramework.MLX,
+    scale=2.0,
+)
+
+smoldocling_vlm_conversion_options = HuggingFaceVlmOptions(
+    repo_id="ds4sd/SmolDocling-256M-preview",
+    prompt="Convert this page to docling.",
+    response_format=ResponseFormat.DOCTAGS,
+    inference_framework=InferenceFramework.TRANSFORMERS_AutoModelForVision2Seq,
+    scale=2.0,
+)
+
+# GraniteVision
+granite_vision_vlm_conversion_options = HuggingFaceVlmOptions(
+    repo_id="ibm-granite/granite-vision-3.2-2b",
+    prompt="Convert this page to markdown. Do not miss any text and only output the bare MarkDown!",
+    response_format=ResponseFormat.MARKDOWN,
+    inference_framework=InferenceFramework.TRANSFORMERS_AutoModelForVision2Seq,
+    scale=2.0,
+)
+
+granite_vision_vlm_ollama_conversion_options = ApiVlmOptions(
+    url=AnyUrl("http://localhost:11434/v1/chat/completions"),
+    params={"model": "granite3.2-vision:2b"},
+    prompt="Convert this page to markdown. Do not miss any text and only output the bare MarkDown!",
+    scale=1.0,
+    timeout=120,
+    response_format=ResponseFormat.MARKDOWN,
+)
+
+# Pixtral
+pixtral_12b_vlm_conversion_options = HuggingFaceVlmOptions(
+    repo_id="mistral-community/pixtral-12b",
+    prompt="Convert this page to markdown. Do not miss any text and only output the bare MarkDown!",
+    response_format=ResponseFormat.MARKDOWN,
+    inference_framework=InferenceFramework.TRANSFORMERS_LlavaForConditionalGeneration,
+    scale=2.0,
+)
+
+pixtral_12b_vlm_mlx_conversion_options = HuggingFaceVlmOptions(
+    repo_id="mlx-community/pixtral-12b-bf16",
+    prompt="Convert this page to markdown. Do not miss any text and only output the bare MarkDown!",
+    response_format=ResponseFormat.MARKDOWN,
+    inference_framework=InferenceFramework.MLX,
+    scale=2.0,
+)
+
+# Phi4
+phi_vlm_conversion_options = HuggingFaceVlmOptions(
+    repo_id="microsoft/Phi-4-multimodal-instruct",
+    prompt="Convert this page to MarkDown. Do not miss any text and only output the bare MarkDown",
+    response_format=ResponseFormat.MARKDOWN,
+    inference_framework=InferenceFramework.TRANSFORMERS_AutoModelForCausalLM,
+)
+
+# Qwen
+qwen25_vl_3b_vlm_mlx_conversion_options = HuggingFaceVlmOptions(
+    repo_id="mlx-community/Qwen2.5-VL-3B-Instruct-bf16",
+    prompt="Convert this page to markdown. Do not miss any text and only output the bare MarkDown!",
+    response_format=ResponseFormat.MARKDOWN,
+    inference_framework=InferenceFramework.MLX,
+)