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a34068e | 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 | import re
import time
import uuid
import logging
from contextlib import contextmanager
from functools import wraps
logger = logging.getLogger(__name__)
def generate_id() -> str:
return str(uuid.uuid4())
def count_words(text: str) -> int:
return len(text.split())
def clean_text(text: str) -> str:
text = re.sub(r"\n{3,}", "\n\n", text)
text = re.sub(r"[ \t]+", " ", text)
lines = [line.strip() for line in text.splitlines()]
return "\n".join(lines).strip()
@contextmanager
def timer(label: str = "operation"):
start = time.perf_counter()
yield lambda: (time.perf_counter() - start) * 1000
elapsed = (time.perf_counter() - start) * 1000
logger.info(f"{label} completed in {elapsed:.1f}ms")
def retry_with_backoff(retries: int = 3, base_delay: float = 1.0):
def decorator(func):
@wraps(func)
def wrapper(*args, **kwargs):
for attempt in range(retries):
try:
return func(*args, **kwargs)
except Exception as e:
if attempt == retries - 1:
raise
delay = base_delay * (2 ** attempt)
logger.warning(
f"{func.__name__} failed (attempt {attempt + 1}/{retries}): {e}. "
f"Retrying in {delay}s..."
)
time.sleep(delay)
return wrapper
return decorator
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