create databases directory on startup (#3518)

This PR creates the databases directory at app startup time. It also
removes a couple of debugging statements that were inadvertently left in
the model manager.

invokeai/app/api/dependencies.py

@@ -57,6 +57,7 @@ class ApiDependencies:
 
         # TODO: build a file/path manager?
         db_location = config.db_path
+        db_location.parent.mkdir(parents=True,exist_ok=True)
 
         graph_execution_manager = SqliteItemStorage[GraphExecutionState](
             filename=db_location, table_name="graph_executions"

invokeai/app/cli_app.py

@@ -220,6 +220,7 @@ def invoke_cli():
         db_location = ":memory:"
     else:
         db_location = config.db_path
+        db_location.parent.mkdir(parents=True,exist_ok=True)
 
     logger.info(f'InvokeAI database location is "{db_location}"')
 

invokeai/backend/model_management/model_manager.py

@@ -320,11 +320,7 @@ class ModelManager(object):
         models = {}
         for name in sorted(self.config, key=str.casefold):
             stanza = self.config[name]
-
-            with open('log.txt','a') as file:
-                print(f'DEBUG: name={name}; stanza = {stanza}',file=file)
-
-
+            
             # don't include VAEs in listing (legacy style)
             if "config" in stanza and "/VAE/" in stanza["config"]:
                 continue
@@ -1355,8 +1351,6 @@ class ModelManager(object):
         
         short_names = OmegaConf.load(Dataset_path).get('lora') or {}
         for name in model_names:
-            print(name)
-
             name = short_names.get(name) or name
 
             # HuggingFace style LoRA