Cloud + Python

import argparse

def build_invalidation_paths(files, include_index=True):
    """
    Create CloudFront invalidation paths from a list of files.
    Converts file names to root-relative paths and optionally adds /index.html.
    """
    paths = []
    for f in files:
        f = f.strip()
        if not f:
           …

from dataclasses import dataclass
from typing import List, Optional

@dataclass
class SecurityGroupRule:
    protocol: str
    port_range: tuple
    cidr: str
    description: str = ""

def validate_ingress_rule(rule: SecurityGroupRule) -> List[str]:
    """Validate a security group ingress rule against common AWS pat…

import json
from typing import Any, Dict, List


def validate_data(data: Dict[str, Any], required_fields: List[str]) -> List[str]:
    """Check required fields exist and are non-empty. Return list of errors."""
    errors = []
    for field in required_fields:
        value = data.get(field)
        if value is None o…

import json
from datetime import datetime, timezone


def put_metric_data(namespace, metric_data_list):
    """
    Mock AWS CloudWatch put_metric_data.
    Validates and prints the metrics that would be sent.
    """
    timestamp = datetime.now(timezone.utc).isoformat()
    print(f"[MockCloudWatch] Received request …