feat: Code and equation model for PDF and code blocks in markdown (#752)

* propagated changes for new CodeItem class

Signed-off-by: Matteo Omenetti <omenetti.matteo@gmail.com>

* Rebased branch on latest main. changes for CodeItem

Signed-off-by: Matteo Omenetti <omenetti.matteo@gmail.com>

* removed unused files

Signed-off-by: Matteo Omenetti <omenetti.matteo@gmail.com>

* chore: update lockfile

Signed-off-by: Christoph Auer <cau@zurich.ibm.com>

* pin latest docling-core

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

* update docling-core pinning

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

* pin docling-core

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

* use new add_code in backends and update typing in MD backend

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

* added if statement for backend

Signed-off-by: Matteo Omenetti <omenetti.matteo@gmail.com>

* removed unused import

Signed-off-by: Matteo Omenetti <omenetti.matteo@gmail.com>

* removed print statements

Signed-off-by: Matteo Omenetti <omenetti.matteo@gmail.com>

* gt for new pdf

Signed-off-by: Matteo Omenetti <omenetti.matteo@gmail.com>

* Update docling/pipeline/standard_pdf_pipeline.py

Co-authored-by: Michele Dolfi <97102151+dolfim-ibm@users.noreply.github.com>
Signed-off-by: Matteo <43417658+Matteo-Omenetti@users.noreply.github.com>

* fixed doc comment of __call__ function of code_formula_model

Signed-off-by: Matteo Omenetti <omenetti.matteo@gmail.com>

* fix artifacts_path type

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

* move imports

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

* move expansion_factor to base class

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

---------

Signed-off-by: Matteo Omenetti <omenetti.matteo@gmail.com>
Signed-off-by: Christoph Auer <cau@zurich.ibm.com>
Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>
Signed-off-by: Matteo <43417658+Matteo-Omenetti@users.noreply.github.com>
Co-authored-by: Christoph Auer <cau@zurich.ibm.com>
Co-authored-by: Michele Dolfi <dol@zurich.ibm.com>
Co-authored-by: Michele Dolfi <97102151+dolfim-ibm@users.noreply.github.com>

pyproject.toml

@@ -25,9 +25,9 @@ packages = [{include = "docling"}]
 # actual dependencies:
 ######################
 python = "^3.9"
-docling-core = { version = "^2.13.1", extras = ["chunking"] }
 pydantic = "^2.0.0"
-docling-ibm-models = "^3.1.0"
+docling-core = { version = "^2.15.1", extras = ["chunking"] }
+docling-ibm-models = "^3.2.1"
 deepsearch-glm = "^1.0.0"
 docling-parse = "^3.1.0"
 filetype = "^1.2.0"