File size: 2,935 Bytes
3af75d1 | 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 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | """
Shared utilities for the vLLM pipeline.
Based on patterns from example.py (lines 14-63).
"""
import json
import os
from typing import Dict, Iterator, List
def get_last_processed_id(filepath: str) -> int:
"""
Get the highest ID that has been processed in a JSONL file.
Used for resumability - based on example.py lines 14-31.
"""
if not os.path.exists(filepath):
return -1
last_id = -1
try:
with open(filepath, "r", encoding="utf-8") as f:
for line in f:
try:
data = json.loads(line)
current_id = data.get("id")
if isinstance(current_id, int) and current_id > last_id:
last_id = current_id
except (json.JSONDecodeError, AttributeError):
continue
except Exception as e:
print(f"Error reading progress file: {e}")
return -1
return last_id
def iter_jsonl_batches(
jsonl_path: str,
batch_size: int,
start_from_id: int = 0,
required_fields: List[str] | None = None,
) -> Iterator[List[Dict]]:
"""
Reads a JSONL and yields batches starting from start_from_id.
Based on example.py lines 34-63.
Args:
jsonl_path: Path to the JSONL file
batch_size: Number of items per batch
start_from_id: Skip items with id < start_from_id
required_fields: List of field names that must be present in each item
"""
required_fields = required_fields or []
with open(jsonl_path, "r", encoding="utf-8") as f:
batch = []
for line in f:
try:
obj = json.loads(line)
except json.JSONDecodeError:
continue
# Check required fields
if not all(k in obj for k in required_fields):
continue
if not isinstance(obj.get("id"), int):
continue
if obj["id"] < start_from_id:
continue
batch.append(obj)
if len(batch) == batch_size:
yield batch
batch = []
if batch:
yield batch
def write_jsonl_line(filepath: str, data: Dict) -> None:
"""Append a single JSON object as a line to a JSONL file."""
with open(filepath, "a", encoding="utf-8") as f:
f.write(json.dumps(data, ensure_ascii=False) + "\n")
def write_jsonl_batch(filepath: str, batch: List[Dict]) -> None:
"""Append multiple JSON objects to a JSONL file."""
with open(filepath, "a", encoding="utf-8") as f:
for data in batch:
f.write(json.dumps(data, ensure_ascii=False) + "\n")
def count_jsonl_lines(filepath: str) -> int:
"""Count the number of lines in a JSONL file."""
if not os.path.exists(filepath):
return 0
with open(filepath, "r", encoding="utf-8") as f:
return sum(1 for _ in f)
|