mirrors/docling
1
0
Fork 0
mirror of https://github.com/DS4SD/docling.git synced 2025-12-08 20:58:11 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: added extraction of byte-images in excel (#804)

Browse Source 
* fix(msexcel): ignore Mypy checking for _find_images_in_sheet function

Signed-off-by: Jiun An Tsai <andrew@247365-Macbook.local>

* fixed some issues

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

* reformatted the code

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

* pinned pillow in pyproject

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

---------

Signed-off-by: Jiun An Tsai <andrew@247365-Macbook.local>
Signed-off-by: Peter Staar <taa@zurich.ibm.com>
Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>
Co-authored-by: Jiun An Tsai <andrew@247365-Macbook.local>
Co-authored-by: Michele Dolfi <dol@zurich.ibm.com>
This commit is contained in:
Peter W. J. Staar
2025-01-24 18:48:02 +01:00
committed by GitHub
parent 16a218d871
commit a458e298ca
8 changed files with 90 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
docling/backend/msexcel_backend.py
View File

@@ -26,6 +26,7 @@ _log = logging.getLogger(__name__)
from typing import Any, List
from PIL import Image as PILImage
from pydantic import BaseModel
@@ -325,49 +326,61 @@ class MsExcelDocumentBackend(DeclarativeDocumentBackend):
self, doc: DoclingDocument, sheet: Worksheet
) -> DoclingDocument:
# FIXME: mypy does not agree with _images ...
# Iterate over byte images in the sheet
for idx, image in enumerate(sheet._images): # type: ignore
try:
pil_image = PILImage.open(image.ref)
doc.add_picture(
parent=self.parents[0],
image=ImageRef.from_pil(image=pil_image, dpi=72),
caption=None,
)
except:
_log.error("could not extract the image from excel sheets")
"""
# Iterate over images in the sheet
for idx, image in enumerate(sheet._images): # Access embedded images
for idx, chart in enumerate(sheet._charts): # type: ignore
try:
chart_path = f"chart_{idx + 1}.png"
_log.info(
f"Chart found, but dynamic rendering is required for: {chart_path}"
)
image_bytes = BytesIO(image.ref.blob)
pil_image = Image.open(image_bytes)
doc.add_picture(
parent=self.parents[0],
image=ImageRef.from_pil(image=pil_image, dpi=72),
caption=None,
)
"""
# FIXME: mypy does not agree with _charts ...
"""
for idx, chart in enumerate(sheet._charts): # Access embedded charts
chart_path = f"chart_{idx + 1}.png"
_log.info(
f"Chart found, but dynamic rendering is required for: {chart_path}"
)
_log.info(f"Chart {idx + 1}:")
# Chart type
_log.info(f"Type: {type(chart).__name__}")
# Title
if chart.title:
_log.info(f"Title: {chart.title}")
else:
_log.info("No title")
# Data series
for series in chart.series:
_log.info(" => series ...")
_log.info(f"Data Series: {series.title}")
_log.info(f"Values: {series.values}")
_log.info(f"Categories: {series.categories}")
_log.info(f"Chart {idx + 1}:")
# Position
# _log.info(f"Anchor Cell: {chart.anchor}")
# Chart type
# _log.info(f"Type: {type(chart).__name__}")
print(f"Type: {type(chart).__name__}")
# Extract series data
for series_idx, series in enumerate(chart.series):
#_log.info(f"Series {series_idx + 1}:")
print(f"Series {series_idx + 1} type: {type(series).__name__}")
#print(f"x-values: {series.xVal}")
#print(f"y-values: {series.yVal}")
print(f"xval type: {type(series.xVal).__name__}")
xvals = []
for _ in series.xVal.numLit.pt:
print(f"xval type: {type(_).__name__}")
if hasattr(_, 'v'):
xvals.append(_.v)
print(f"x-values: {xvals}")
yvals = []
for _ in series.yVal:
if hasattr(_, 'v'):
yvals.append(_.v)
print(f"y-values: {yvals}")
except Exception as exc:
print(exc)
continue
"""
return doc