File size: 911 Bytes
097cfcc | 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 | """Helper functions for data cleaning and validation."""
import re
from typing import Optional
def clean_text(text: Optional[str]) -> str:
"""Clean text by removing extra whitespace."""
if not text:
return ""
return " ".join(text.split())
def parse_rating(rating: Optional[str]) -> Optional[float]:
"""Parse rating string to float."""
if not rating:
return None
match = re.search(r'[0-9.]+', str(rating))
return float(match.group()) if match else None
def parse_installs(installs: Optional[str]) -> Optional[int]:
"""Parse installs string to integer."""
if not installs:
return None
match = re.search(r'[0-9,]+', str(installs))
if match:
return int(match.group().replace(',', ''))
return None
def validate_app_id(app_id: str) -> bool:
"""Validate app ID format."""
return bool(re.match(r'^[a-zA-Z0-9._]+$', app_id)) |