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fix: add divider row to markdown tables with auto-generated integer headers #95

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fix: add divider row to markdown tables with auto-generated integer headers #95

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16 changes: 15 additions & 1 deletion sec_parser/utils/bs4_/table_to_markdown.py
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,21 @@ def _to_markdown_table(pandas_table: pd.DataFrame) -> str:
)
markdown_lines = pandas_table.to_markdown(index=False).split("\n")
if all_headers_are_digits:
markdown_lines = markdown_lines[2:]
# Strip the auto-generated integer column header row and its separator.
# When a table has no semantic headers, pandas assigns integer column
# names (0, 1, 2, ...). The first data row is the real visual header
# of the SEC filing table, so promote it and add a divider beneath it
# to produce a valid Markdown table.
data_lines = markdown_lines[2:]
if data_lines:
first_row = data_lines[0]
parts = first_row.split("|")
divider = "|" + "|".join(
"-" * max(1, len(p)) for p in parts[1:-1]
) + "|"
markdown_lines = [first_row, divider] + data_lines[1:]
else:
markdown_lines = data_lines
elif "---" in markdown_lines[1]:
markdown_lines[1] = re.sub(r":?---+:?", "---", markdown_lines[1])
return re.sub(
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