allow sqlite connector rather than postgres

Author: d-j-hatton

src/murfey/server/murfey_db.py

@@ -17,6 +17,8 @@ def url(security_config: Security | None = None) -> str:
         creds = yaml.safe_load(stream)
     f = Fernet(security_config.crypto_key.encode("ascii"))
     p = f.decrypt(creds["password"].encode("ascii"))
+    if security_config.db == "sqlite":
+        return f"sqlite:///{creds['database']}"
     return f"postgresql+psycopg2://{creds['username']}:{p.decode()}@{creds['host']}:{creds['port']}/{creds['database']}"
 
 

src/murfey/util/config.py

@@ -228,6 +228,7 @@ class Security(BaseModel):
     # Murfey database settings
     murfey_db_credentials: Path
     crypto_key: str
+    db: str = "postgres"
     sqlalchemy_pooling: bool = True
 
     # ISPyB settings