fisrt

backend/app/core/__init__.py

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+# Core configuration modules

backend/app/core/config.py

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+"""
+Configuration management pour IPWatch
+Charge et valide le fichier config.yaml
+"""
+import yaml
+from pathlib import Path
+from typing import Dict, Any, List, Optional
+from pydantic import BaseModel, Field
+
+
+class AppConfig(BaseModel):
+    """Configuration de l'application"""
+    name: str = "IPWatch"
+    version: str = "1.0.0"
+    debug: bool = False
+
+
+class NetworkConfig(BaseModel):
+    """Configuration réseau"""
+    cidr: str
+    gateway: Optional[str] = None
+    dns: Optional[List[str]] = None
+
+
+class ScanConfig(BaseModel):
+    """Configuration des scans"""
+    ping_interval: int = 60  # secondes
+    port_scan_interval: int = 300  # secondes
+    parallel_pings: int = 50
+    timeout: float = 1.0
+
+
+class PortsConfig(BaseModel):
+    """Configuration des ports à scanner"""
+    ranges: List[str] = ["22", "80", "443", "3389", "8080"]
+
+
+class HistoryConfig(BaseModel):
+    """Configuration de l'historique"""
+    retention_hours: int = 24
+
+
+class UIConfig(BaseModel):
+    """Configuration UI"""
+    offline_transparency: float = 0.5
+    show_mac: bool = True
+    show_vendor: bool = True
+
+
+class ColorsConfig(BaseModel):
+    """Configuration des couleurs"""
+    free: str = "#75715E"
+    online_known: str = "#A6E22E"
+    online_unknown: str = "#66D9EF"
+    offline_known: str = "#F92672"
+    offline_unknown: str = "#AE81FF"
+
+
+class DatabaseConfig(BaseModel):
+    """Configuration base de données"""
+    path: str = "./data/db.sqlite"
+
+
+class IPWatchConfig(BaseModel):
+    """Configuration complète IPWatch"""
+    app: AppConfig = Field(default_factory=AppConfig)
+    network: NetworkConfig
+    ip_classes: Dict[str, Any] = Field(default_factory=dict)
+    scan: ScanConfig = Field(default_factory=ScanConfig)
+    ports: PortsConfig = Field(default_factory=PortsConfig)
+    locations: List[str] = Field(default_factory=list)
+    hosts: List[str] = Field(default_factory=list)
+    history: HistoryConfig = Field(default_factory=HistoryConfig)
+    ui: UIConfig = Field(default_factory=UIConfig)
+    colors: ColorsConfig = Field(default_factory=ColorsConfig)
+    database: DatabaseConfig = Field(default_factory=DatabaseConfig)
+
+
+class ConfigManager:
+    """Gestionnaire de configuration singleton"""
+    _instance: Optional['ConfigManager'] = None
+    _config: Optional[IPWatchConfig] = None
+
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super().__new__(cls)
+        return cls._instance
+
+    def load_config(self, config_path: str = "./config.yaml") -> IPWatchConfig:
+        """Charge la configuration depuis le fichier YAML"""
+        path = Path(config_path)
+
+        if not path.exists():
+            raise FileNotFoundError(f"Fichier de configuration non trouvé: {config_path}")
+
+        with open(path, 'r', encoding='utf-8') as f:
+            yaml_data = yaml.safe_load(f)
+
+        self._config = IPWatchConfig(**yaml_data)
+        return self._config
+
+    @property
+    def config(self) -> IPWatchConfig:
+        """Retourne la configuration actuelle"""
+        if self._config is None:
+            raise RuntimeError("Configuration non chargée. Appelez load_config() d'abord.")
+        return self._config
+
+
+# Instance globale
+config_manager = ConfigManager()

backend/app/core/database.py

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+"""
+Configuration de la base de données SQLAlchemy
+"""
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+from pathlib import Path
+
+# Base pour les modèles SQLAlchemy
+Base = declarative_base()
+
+# Engine et session
+engine = None
+SessionLocal = None
+
+
+def init_database(db_path: str = "./data/db.sqlite"):
+    """Initialise la connexion à la base de données"""
+    global engine, SessionLocal
+
+    # Créer le dossier data si nécessaire
+    Path(db_path).parent.mkdir(parents=True, exist_ok=True)
+
+    # Créer l'engine SQLite
+    database_url = f"sqlite:///{db_path}"
+    engine = create_engine(
+        database_url,
+        connect_args={"check_same_thread": False},
+        echo=False
+    )
+
+    # Créer la session factory
+    SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+    # Créer les tables
+    Base.metadata.create_all(bind=engine)
+
+    return engine
+
+
+def get_db():
+    """Dependency pour obtenir une session DB"""
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()