Added comments

src/database/get.py

@@ -5,6 +5,7 @@ from . import models
 
 
 def get_master_pass(engine: Engine, user_id: int) -> tuple[bytes, bytes] | None:
+    """Gets master pass. Returns tuple of salt and password"""
     statement = sqlmodel.select(models.MasterPass).where(
         models.MasterPass.user_id == user_id
     )
@@ -17,6 +18,7 @@ def get_master_pass(engine: Engine, user_id: int) -> tuple[bytes, bytes] | None:
 
 
 def get_accounts(engine: Engine, user_id: int) -> list[str]:
+    """Gets list of account names"""
     statement = sqlmodel.select(models.Account).where(models.Account.user_id == user_id)
     with sqlmodel.Session(engine) as session:
         result = session.exec(statement)
@@ -26,6 +28,7 @@ def get_accounts(engine: Engine, user_id: int) -> list[str]:
 def get_account_info(
     engine: Engine, user_id: int, name: str
 ) -> tuple[bytes, bytes, bytes]:
+    """Gets account info. Returns tuple of salt, login and password"""
     statement = sqlmodel.select(models.Account).where(
         models.Account.user_id == user_id and models.Account.name == name
     )