feat: integrate last30days and daily-news-report skills

skills/last30days/scripts/lib/env.py

@@ -0,0 +1,149 @@
+"""Environment and API key management for last30days skill."""
+
+import os
+from pathlib import Path
+from typing import Optional, Dict, Any
+
+CONFIG_DIR = Path.home() / ".config" / "last30days"
+CONFIG_FILE = CONFIG_DIR / ".env"
+
+
+def load_env_file(path: Path) -> Dict[str, str]:
+    """Load environment variables from a file."""
+    env = {}
+    if not path.exists():
+        return env
+
+    with open(path, 'r') as f:
+        for line in f:
+            line = line.strip()
+            if not line or line.startswith('#'):
+                continue
+            if '=' in line:
+                key, _, value = line.partition('=')
+                key = key.strip()
+                value = value.strip()
+                # Remove quotes if present
+                if value and value[0] in ('"', "'") and value[-1] == value[0]:
+                    value = value[1:-1]
+                if key and value:
+                    env[key] = value
+    return env
+
+
+def get_config() -> Dict[str, Any]:
+    """Load configuration from ~/.config/last30days/.env and environment."""
+    # Load from config file first
+    file_env = load_env_file(CONFIG_FILE)
+
+    # Environment variables override file
+    config = {
+        'OPENAI_API_KEY': os.environ.get('OPENAI_API_KEY') or file_env.get('OPENAI_API_KEY'),
+        'XAI_API_KEY': os.environ.get('XAI_API_KEY') or file_env.get('XAI_API_KEY'),
+        'OPENAI_MODEL_POLICY': os.environ.get('OPENAI_MODEL_POLICY') or file_env.get('OPENAI_MODEL_POLICY', 'auto'),
+        'OPENAI_MODEL_PIN': os.environ.get('OPENAI_MODEL_PIN') or file_env.get('OPENAI_MODEL_PIN'),
+        'XAI_MODEL_POLICY': os.environ.get('XAI_MODEL_POLICY') or file_env.get('XAI_MODEL_POLICY', 'latest'),
+        'XAI_MODEL_PIN': os.environ.get('XAI_MODEL_PIN') or file_env.get('XAI_MODEL_PIN'),
+    }
+
+    return config
+
+
+def config_exists() -> bool:
+    """Check if configuration file exists."""
+    return CONFIG_FILE.exists()
+
+
+def get_available_sources(config: Dict[str, Any]) -> str:
+    """Determine which sources are available based on API keys.
+
+    Returns: 'both', 'reddit', 'x', or 'web' (fallback when no keys)
+    """
+    has_openai = bool(config.get('OPENAI_API_KEY'))
+    has_xai = bool(config.get('XAI_API_KEY'))
+
+    if has_openai and has_xai:
+        return 'both'
+    elif has_openai:
+        return 'reddit'
+    elif has_xai:
+        return 'x'
+    else:
+        return 'web'  # Fallback: WebSearch only (no API keys needed)
+
+
+def get_missing_keys(config: Dict[str, Any]) -> str:
+    """Determine which API keys are missing.
+
+    Returns: 'both', 'reddit', 'x', or 'none'
+    """
+    has_openai = bool(config.get('OPENAI_API_KEY'))
+    has_xai = bool(config.get('XAI_API_KEY'))
+
+    if has_openai and has_xai:
+        return 'none'
+    elif has_openai:
+        return 'x'  # Missing xAI key
+    elif has_xai:
+        return 'reddit'  # Missing OpenAI key
+    else:
+        return 'both'  # Missing both keys
+
+
+def validate_sources(requested: str, available: str, include_web: bool = False) -> tuple[str, Optional[str]]:
+    """Validate requested sources against available keys.
+
+    Args:
+        requested: 'auto', 'reddit', 'x', 'both', or 'web'
+        available: Result from get_available_sources()
+        include_web: If True, add WebSearch to available sources
+
+    Returns:
+        Tuple of (effective_sources, error_message)
+    """
+    # WebSearch-only mode (no API keys)
+    if available == 'web':
+        if requested == 'auto':
+            return 'web', None
+        elif requested == 'web':
+            return 'web', None
+        else:
+            return 'web', f"No API keys configured. Using WebSearch fallback. Add keys to ~/.config/last30days/.env for Reddit/X."
+
+    if requested == 'auto':
+        # Add web to sources if include_web is set
+        if include_web:
+            if available == 'both':
+                return 'all', None  # reddit + x + web
+            elif available == 'reddit':
+                return 'reddit-web', None
+            elif available == 'x':
+                return 'x-web', None
+        return available, None
+
+    if requested == 'web':
+        return 'web', None
+
+    if requested == 'both':
+        if available not in ('both',):
+            missing = 'xAI' if available == 'reddit' else 'OpenAI'
+            return 'none', f"Requested both sources but {missing} key is missing. Use --sources=auto to use available keys."
+        if include_web:
+            return 'all', None
+        return 'both', None
+
+    if requested == 'reddit':
+        if available == 'x':
+            return 'none', "Requested Reddit but only xAI key is available."
+        if include_web:
+            return 'reddit-web', None
+        return 'reddit', None
+
+    if requested == 'x':
+        if available == 'reddit':
+            return 'none', "Requested X but only OpenAI key is available."
+        if include_web:
+            return 'x-web', None
+        return 'x', None
+
+    return requested, None