19 lines
836 B
Python
19 lines
836 B
Python
"""A table written as the loader admits it."""
|
|
import re
|
|
import sys
|
|
from pathlib import Path
|
|
|
|
|
|
def write(path, columns, rows):
|
|
"""Write the rows as a TSV of at least two rows, each cell stripped, non-empty and free of tabs, newlines and braces."""
|
|
lines = ["\t".join(columns)]
|
|
for row in rows:
|
|
cells = [str(row[c]).strip() for c in columns]
|
|
if not all(cells) or any(re.search(r"[\t\n{}]", c) for c in cells):
|
|
raise ValueError(f"{path}: a cell is empty or holds a tab, newline or brace: {row}")
|
|
lines.append("\t".join(cells))
|
|
if len(lines) < 3:
|
|
raise ValueError(f"{path}: has {len(lines) - 1} rows below its header; a table is at least two rows")
|
|
Path(path).write_text("\n".join(lines) + "\n", encoding="utf-8")
|
|
print(f"{path}: {len(lines) - 1} rows", file=sys.stderr)
|