feat: new vlm-models support (#1570)

* feat: adding new vlm-models support

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

* fixed the transformers

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

* got microsoft/Phi-4-multimodal-instruct to work

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

* working on vlm's

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

* refactoring the VLM part

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

* all working, now serious refacgtoring necessary

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

* refactoring the download_model

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

* added the formulate_prompt

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

* pixtral 12b runs via MLX and native transformers

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

* added the VlmPredictionToken

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

* refactoring minimal_vlm_pipeline

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

* fixed the MyPy

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

* added pipeline_model_specializations file

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

* need to get Phi4 working again ...

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

* finalising last points for vlms support

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

* fixed the pipeline for Phi4

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

* streamlining all code

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

* reformatted the code

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

* fixing the tests

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

* added the html backend to the VLM pipeline

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

* fixed the static load_from_doctags

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

* restore stable imports

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* use AutoModelForVision2Seq for Pixtral and review example (including rename)

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* remove unused value

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* refactor instances of VLM models

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* skip compare example in CI

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* use lowercase and uppercase only

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* add new minimal_vlm example and refactor pipeline_options_vlm_model for cleaner import

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* rename pipeline_vlm_model_spec

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* move more argument to options and simplify model init

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* add supported_devices

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* remove not-needed function

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* exclude minimal_vlm

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* missing file

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* add message for transformers version

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* rename to specs

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* use module import and remove MLX from non-darwin

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* remove hf_vlm_model and add extra_generation_args

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* use single HF VLM model class

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* remove torch type

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* add docs for vision models

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

---------

Signed-off-by: Peter Staar <taa@zurich.ibm.com>
Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>
Co-authored-by: Michele Dolfi <dol@zurich.ibm.com>
This commit is contained in:
Peter W. J. Staar
2025-06-02 17:01:06 +02:00
committed by GitHub
parent 08dcacc5cb
commit cfdf4cea25
46 changed files with 1968 additions and 1902 deletions

View File

@@ -1,101 +1,46 @@
import json
import time
from pathlib import Path
from docling_core.types.doc import DocItemLabel, ImageRefMode
from docling_core.types.doc.document import DEFAULT_EXPORT_LABELS
from docling.datamodel import vlm_model_specs
from docling.datamodel.base_models import InputFormat
from docling.datamodel.pipeline_options import (
VlmPipelineOptions,
smoldocling_vlm_mlx_conversion_options,
)
from docling.document_converter import DocumentConverter, PdfFormatOption
from docling.pipeline.vlm_pipeline import VlmPipeline
sources = [
# "tests/data/2305.03393v1-pg9-img.png",
"tests/data/pdf/2305.03393v1-pg9.pdf",
]
source = "https://arxiv.org/pdf/2501.17887"
## Use experimental VlmPipeline
pipeline_options = VlmPipelineOptions()
# If force_backend_text = True, text from backend will be used instead of generated text
pipeline_options.force_backend_text = False
###### USING SIMPLE DEFAULT VALUES
# - SmolDocling model
# - Using the transformers framework
## On GPU systems, enable flash_attention_2 with CUDA:
# pipeline_options.accelerator_options.device = AcceleratorDevice.CUDA
# pipeline_options.accelerator_options.cuda_use_flash_attention2 = True
converter = DocumentConverter(
format_options={
InputFormat.PDF: PdfFormatOption(
pipeline_cls=VlmPipeline,
),
}
)
## Pick a VLM model. We choose SmolDocling-256M by default
# pipeline_options.vlm_options = smoldocling_vlm_conversion_options
doc = converter.convert(source=source).document
## Pick a VLM model. Fast Apple Silicon friendly implementation for SmolDocling-256M via MLX
pipeline_options.vlm_options = smoldocling_vlm_mlx_conversion_options
print(doc.export_to_markdown())
## Alternative VLM models:
# pipeline_options.vlm_options = granite_vision_vlm_conversion_options
## Set up pipeline for PDF or image inputs
###### USING MACOS MPS ACCELERATOR
# For more options see the compare_vlm_models.py example.
pipeline_options = VlmPipelineOptions(
vlm_options=vlm_model_specs.SMOLDOCLING_MLX,
)
converter = DocumentConverter(
format_options={
InputFormat.PDF: PdfFormatOption(
pipeline_cls=VlmPipeline,
pipeline_options=pipeline_options,
),
InputFormat.IMAGE: PdfFormatOption(
pipeline_cls=VlmPipeline,
pipeline_options=pipeline_options,
),
}
)
out_path = Path("scratch")
out_path.mkdir(parents=True, exist_ok=True)
doc = converter.convert(source=source).document
for source in sources:
start_time = time.time()
print("================================================")
print(f"Processing... {source}")
print("================================================")
print("")
res = converter.convert(source)
print("")
print(res.document.export_to_markdown())
for page in res.pages:
print("")
print("Predicted page in DOCTAGS:")
print(page.predictions.vlm_response.text)
res.document.save_as_html(
filename=Path(f"{out_path}/{res.input.file.stem}.html"),
image_mode=ImageRefMode.REFERENCED,
labels=[*DEFAULT_EXPORT_LABELS, DocItemLabel.FOOTNOTE],
)
with (out_path / f"{res.input.file.stem}.json").open("w") as fp:
fp.write(json.dumps(res.document.export_to_dict()))
res.document.save_as_json(
out_path / f"{res.input.file.stem}.json",
image_mode=ImageRefMode.PLACEHOLDER,
)
res.document.save_as_markdown(
out_path / f"{res.input.file.stem}.md",
image_mode=ImageRefMode.PLACEHOLDER,
)
pg_num = res.document.num_pages()
print("")
inference_time = time.time() - start_time
print(
f"Total document prediction time: {inference_time:.2f} seconds, pages: {pg_num}"
)
print("================================================")
print("done!")
print("================================================")
print(doc.export_to_markdown())