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Improve text parsing

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Signed-off-by: Rafael Teixeira de Lima <Rafael.td.lima@gmail.com>
This commit is contained in:
Rafael Teixeira de Lima 2025-03-31 11:41:06 +02:00
parent eb4d17bba5
commit 76982a5b15
1 changed files with 30 additions and 5 deletions
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35
docling/backend/msword_backend.py
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@ -269,19 +269,44 @@ class MsWordDocumentBackend(DeclarativeDocumentBackend):
for subt in element.iter():
tag_name = etree.QName(subt).localname
if tag_name == "t" and "math" not in subt.tag:
only_texts.append(subt.text)
texts_and_equations.append(subt.text)
if isinstance(subt.text, str):
only_texts.append(subt.text)
texts_and_equations.append(subt.text)
elif "oMath" in subt.tag and "oMathPara" not in subt.tag:
latex_equation = str(oMath2Latex(subt))
only_equations.append(latex_equation)
texts_and_equations.append(latex_equation)
if "".join(only_texts).strip() != text.strip():
if len(only_equations) < 1:
return text, []
if (
re.sub(r"\s+", "", "".join(only_texts)).strip()
!= re.sub(r"\s+", "", text).strip()
):
# If we are not able to reconstruct the initial raw text
# do not try to parse equations and return the original
return text, []
return "".join(texts_and_equations), only_equations
# Insert equations into original text
# This is done to preserve white space structure
output_text = ""
init_i = 0
for i_substr, substr in enumerate(texts_and_equations):
if substr not in text:
if i_substr > 0:
i_text_before = text[init_i:].find(
texts_and_equations[i_substr - 1]
)
output_text += text[init_i:][
: i_text_before + len(texts_and_equations[i_substr - 1])
]
init_i += i_text_before + len(texts_and_equations[i_substr - 1])
output_text += substr
if only_equations.index(substr) == len(only_equations) - 1:
output_text += text[init_i:]
return output_text, only_equations
def handle_text_elements(
self,
@ -348,7 +373,7 @@ class MsWordDocumentBackend(DeclarativeDocumentBackend):
)
elif "Heading" in p_style_id:
style_element = getattr(paragraph.style, "element", None)
if style_element:
if style_element is not None:
is_numbered_style = (
"<w:numPr>" in style_element.xml or "<w:numPr>" in element.xml
)