docling/tests/test_code_formula.py
Mahafuzur Rahman dbab30e92c
fix: formula conversion with page_range param set (#1791)
When page_range param is used for formula conversion,
the system throws list index out of range error.

Included tests to validate that the fix works.

Signed-off-by: Masum <masumsofts@yahoo.com>
2025-06-17 13:58:45 +02:00

85 lines
2.6 KiB
Python

from pathlib import Path
from docling_core.types.doc import CodeItem, TextItem
from docling_core.types.doc.labels import CodeLanguageLabel, DocItemLabel
from docling.datamodel.base_models import InputFormat
from docling.datamodel.document import ConversionResult
from docling.datamodel.pipeline_options import PdfPipelineOptions
from docling.document_converter import DocumentConverter, PdfFormatOption
from docling.pipeline.standard_pdf_pipeline import StandardPdfPipeline
def get_converter():
pipeline_options = PdfPipelineOptions()
pipeline_options.generate_page_images = True
pipeline_options.do_ocr = False
pipeline_options.do_table_structure = False
pipeline_options.do_code_enrichment = True
pipeline_options.do_formula_enrichment = True
converter = DocumentConverter(
format_options={
InputFormat.PDF: PdfFormatOption(
pipeline_cls=StandardPdfPipeline,
pipeline_options=pipeline_options,
)
}
)
return converter
def test_code_and_formula_conversion():
pdf_path = Path("tests/data/pdf/code_and_formula.pdf")
converter = get_converter()
print(f"converting {pdf_path}")
doc_result: ConversionResult = converter.convert(pdf_path)
results = doc_result.document.texts
code_blocks = [el for el in results if isinstance(el, CodeItem)]
assert len(code_blocks) == 1
gt = "function add(a, b) {\n return a + b;\n}\nconsole.log(add(3, 5));"
predicted = code_blocks[0].text.strip()
assert predicted == gt, f"mismatch in text {predicted=}, {gt=}"
assert code_blocks[0].code_language == CodeLanguageLabel.JAVASCRIPT
formula_blocks = [
el
for el in results
if isinstance(el, TextItem) and el.label == DocItemLabel.FORMULA
]
assert len(formula_blocks) == 1
gt = "a ^ { 2 } + 8 = 1 2"
predicted = formula_blocks[0].text
assert predicted == gt, f"mismatch in text {predicted=}, {gt=}"
def test_formula_conversion_with_page_range():
pdf_path = Path("tests/data/pdf/code_and_formula.pdf")
converter = get_converter()
print(f"converting {pdf_path} with page range")
doc_result: ConversionResult = converter.convert(pdf_path, page_range=(2, 2))
results = doc_result.document.texts
formula_blocks = [
el
for el in results
if isinstance(el, TextItem) and el.label == DocItemLabel.FORMULA
]
assert len(formula_blocks) == 1
gt = "a ^ { 2 } + 8 = 1 2"
predicted = formula_blocks[0].text
assert predicted == gt, f"mismatch in text {predicted=}, {gt=}"