Add property for ThreediDatabase.path to make handling of string and …

…pathlib paths more consistent

threedi_schema/application/threedi_database.py

@@ -41,7 +41,7 @@ def set_sqlite_pragma(dbapi_connection, connection_record):
 
 class ThreediDatabase:
     def __init__(self, path, echo=False):
-        self.path = path
+        self._path = path
         self.echo = echo
 
         self._engine = None
@@ -59,22 +59,33 @@ def engine(self):
     def base_path(self):
         return Path(self.path).absolute().parent
 
+    @property
+    def path(self):
+        return Path(self._path)
+
+    @path.setter
+    def path(self, value):
+        if isinstance(value, Path):
+            self._path = str(value)
+        else:
+            self._path = value
+
     def get_engine(self, get_seperate_engine=False):
         if self._engine is None or get_seperate_engine:
-            if self.path == "":
+            if self._path == "":
                 # Special case in-memory SQLite:
                 # https://docs.sqlalchemy.org/en/20/dialects/sqlite.html#threading-pooling-behavior
                 poolclass = None
             else:
                 poolclass = NullPool
             if str(self.path).endswith(".gpkg"):
                 engine = create_engine(
-                    "gpkg:///{0}".format(self.path), echo=self.echo, poolclass=poolclass
+                    "gpkg:///{0}".format(self._path), echo=self.echo, poolclass=poolclass
                 )
                 listen(engine, "connect", load_spatialite_gpkg)
             else:
                 engine = create_engine(
-                    "sqlite:///{0}".format(self.path),
+                    "sqlite:///{0}".format(self._path),
                     echo=self.echo,
                     poolclass=poolclass,
                 )