|
import os |
|
import json |
|
import datasets |
|
|
|
_DESCRIPTION = """ |
|
TableSense Dataset - Spreadsheet Table Detection task from the VEnron2, VEUSES, and VFUSE datasets. |
|
""" |
|
|
|
VERSION = datasets.Version("1.0.0") |
|
|
|
def parse_range(range_str): |
|
start, end = range_str.split(':') |
|
|
|
start_col = ''.join(c for c in start if c.isalpha()) |
|
start_row = int(''.join(c for c in start if c.isdigit())) |
|
|
|
end_col = ''.join(c for c in end if c.isalpha()) |
|
end_row = int(''.join(c for c in end if c.isdigit())) |
|
|
|
return {"start_col": start_col, "start_row": start_row, "end_col": end_col, "end_row": end_row} |
|
|
|
|
|
class Tablesense(datasets.GeneratorBasedBuilder): |
|
"""Dataset for loading arbitrary .xlsx files with a .jsonl metadata file.""" |
|
|
|
def _info(self): |
|
features = { |
|
"filepath": datasets.Value("string"), |
|
'sheet_name': datasets.Value("string"), |
|
'split': datasets.Value("string"), |
|
'table_regions':[ |
|
{ |
|
"start_col": datasets.Value("string"), |
|
"start_row": datasets.Value("int32"), |
|
"end_col": datasets.Value("string"), |
|
"end_row": datasets.Value("int32") |
|
} |
|
] |
|
} |
|
|
|
return datasets.DatasetInfo( |
|
description=_DESCRIPTION, |
|
features=datasets.Features(features) |
|
) |
|
|
|
def _split_generators(self, dl_manager): |
|
"""Define splits.""" |
|
|
|
data_path = "data.tar.gz" |
|
xlsx_dir = os.path.join(dl_manager.download_and_extract(data_path), "data") |
|
metadata_file = "annotations.jsonl" |
|
return [ |
|
datasets.SplitGenerator( |
|
name="train", |
|
gen_kwargs={ |
|
"files_dir": xlsx_dir, |
|
"metadata_file": metadata_file, |
|
}, |
|
) |
|
] |
|
|
|
def _generate_examples(self, files_dir, metadata_file): |
|
"""Yields examples.""" |
|
|
|
with open(metadata_file, "r") as f: |
|
metadata = [json.loads(line.strip()) for line in f] |
|
|
|
for i, meta in enumerate(metadata): |
|
file_name = meta.get("clean_file") |
|
|
|
|
|
xlsx_path = os.path.join(files_dir, file_name) |
|
if not os.path.exists(xlsx_path): |
|
continue |
|
yield i, { |
|
"filepath": xlsx_path, |
|
"sheet_name": meta.get("sheet_name"), |
|
"split": meta.get("split"), |
|
"table_regions": [parse_range(rg) for rg in meta.get("table_regions")] |
|
} |