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- import logging
- import re
- import zlib
- import base64
- logger = logging.getLogger(__name__)
- def safe_float(value, default=0.0):
- return safe_convert(value, float, default=default)
- def safe_int(value, default=0):
- return safe_convert(value, int, default=default)
- def safe_convert(value, target_type, default):
- """
- Safely converts a value to the specified target type.
- If conversion fails, returns the default value.
- """
- try:
- return target_type(value)
- except Exception:
- return default
- def parse_duration(duration_str: str, default: int = 0) -> int:
- duration_str = duration_str.strip()
- if not re.fullmatch(r'^(\d+[hms])+$', duration_str):
- logger.warning(
- f"Invalid duration format: {duration_str}. Using default value: {default}"
- )
- return default
- try:
- matches = re.findall(r'(\d+)([hms])', duration_str)
- time_units = {'h': 3600, 'm': 60, 's': 1}
- total_seconds = 0
- for value, unit in matches:
- total_seconds += int(value) * time_units[unit]
- return total_seconds
- except Exception as e:
- logger.error(f"Error parsing duration: {e}")
- return default
- def safe_b64decode(data):
- # Remove illegal characters and add equal signs
- cleaned = re.sub(r'[^A-Za-z0-9+/=]', '', data)
- padding = '=' * (-len(cleaned) % 4)
- return base64.b64decode(cleaned + padding)
- def inflate_data(compressed):
- return zlib.decompress(compressed, -15)
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