File size: 1,859 Bytes
715cc5a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | from __future__ import annotations
import csv
import json
from pathlib import Path
from typing import Iterable
def ensure_parent(path: Path) -> None:
path.parent.mkdir(parents=True, exist_ok=True)
def write_json(path: Path, data: object) -> None:
ensure_parent(path)
with path.open("w", encoding="utf-8") as handle:
json.dump(data, handle, ensure_ascii=False, indent=2, sort_keys=True)
handle.write("\n")
def write_jsonl(path: Path, rows: Iterable[dict]) -> int:
ensure_parent(path)
count = 0
with path.open("w", encoding="utf-8") as handle:
for row in rows:
handle.write(json.dumps(row, ensure_ascii=False, sort_keys=True))
handle.write("\n")
count += 1
return count
def read_jsonl(path: Path) -> list[dict]:
rows: list[dict] = []
with path.open(encoding="utf-8") as handle:
for line in handle:
line = line.strip()
if line:
rows.append(json.loads(line))
return rows
def write_csv(path: Path, rows: Iterable[dict], fieldnames: list[str] | None = None) -> int:
row_list = list(rows)
if fieldnames is None:
fieldnames = []
seen = set()
for row in row_list:
for key in row:
if key not in seen:
fieldnames.append(key)
seen.add(key)
ensure_parent(path)
with path.open("w", newline="", encoding="utf-8") as handle:
writer = csv.DictWriter(handle, fieldnames=fieldnames)
writer.writeheader()
for row in row_list:
writer.writerow({key: row.get(key, "") for key in fieldnames})
return len(row_list)
def read_csv_dicts(path: Path) -> list[dict[str, str]]:
with path.open(newline="", encoding="utf-8") as handle:
return list(csv.DictReader(handle))
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