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fix(xlsx): speed up by detecting the true last non-empty row/column (#2404)

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* Update msexcel_backend.py

Fix #2307, Follow the instruction of https://github.com/docling-project/docling/issues/2307#issuecomment-3327248503.

Signed-off-by: Richard (Huangrui) Chu <65276824+HuangruiChu@users.noreply.github.com>

* Update msexcel_backend.py

Fix error

Signed-off-by: Richard (Huangrui) Chu <65276824+HuangruiChu@users.noreply.github.com>

* Fix linting issues

Signed-off-by: Richard (Huangrui) Chu <65276824+HuangruiChu@users.noreply.github.com>

* Add test files and data (Signed-off-by: Huangrui Chu <huangrui.chu.1999@gmail.com>)

Signed-off-by: Richard (Huangrui) Chu <65276824+HuangruiChu@users.noreply.github.com>

* resolve conflict with test_backend_msexecl; update the boundary

Signed-off-by: Richard (Huangrui) Chu <65276824+HuangruiChu@users.noreply.github.com>

* chore(xlsx): use a dataclass to represent a bounding rectangle in worksheets

Signed-off-by: Cesar Berrospi Ramis <ceb@zurich.ibm.com>

* chore(xlsx): increase parsing speed by iterating on 'sheet._cells'

Increase the parsing speed of the spreadsheet backend by iterating on 'sheets._cells'
since this is proportional to the number of created cells.
Rename test file to align it to other test files.

Signed-off-by: Cesar Berrospi Ramis <ceb@zurich.ibm.com>

---------

Signed-off-by: Richard (Huangrui) Chu <65276824+HuangruiChu@users.noreply.github.com>
Signed-off-by: Cesar Berrospi Ramis <ceb@zurich.ibm.com>
Co-authored-by: Cesar Berrospi Ramis <ceb@zurich.ibm.com>
This commit is contained in:
Richard (Huangrui) Chu
2025-10-21 02:08:20 -04:00
committed by GitHub
parent 657ce8b01c
commit b66624bfff
6 changed files with 4019 additions and 27 deletions
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11
tests/data/groundtruth/docling_v2/xlsx_04_inflated.xlsx.itxt vendored Normal file
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item-0 at level 0: unspecified: group _root_
item-1 at level 1: section: group sheet: Sheet1
item-2 at level 2: table with [7x3]
item-3 at level 1: section: group sheet: Sheet2
item-4 at level 2: table with [9x4]
item-5 at level 2: table with [5x3]
item-6 at level 2: table with [5x3]
item-7 at level 1: section: group sheet: Sheet3
item-8 at level 2: table with [7x3]
item-9 at level 2: table with [7x3]
item-10 at level 2: picture