Added ability to use civit ai url ar model name and built a model downloader and cache manager for it

toolkit/paths.py

@@ -5,6 +5,12 @@ CONFIG_ROOT = os.path.join(TOOLKIT_ROOT, 'config')
 SD_SCRIPTS_ROOT = os.path.join(TOOLKIT_ROOT, "repositories", "sd-scripts")
 REPOS_ROOT = os.path.join(TOOLKIT_ROOT, "repositories")
 
+# check if ENV variable is set
+if 'MODELS_PATH' in os.environ:
+    MODELS_PATH = os.environ['MODELS_PATH']
+else:
+    MODELS_PATH = os.path.join(TOOLKIT_ROOT, "models")
+
 
 def get_path(path):
     # we allow absolute paths, but if it is not absolute, we assume it is relative to the toolkit root