feat: add config for temp path and temp path cleanup on launch (#1992)

* Added options to set the Gradio cache path and  clear cache on launch.

* Renamed cache to temp

* clear temp

* feat: do not delete temp folder but only clean content

also use fallback to system temp dir
see https://github.com/gradio-app/gradio/blob/6683ab2589f9d8658e1f51acc1b7526edce988d3/gradio/utils.py#L1151

* refactor: code cleanup

* feat: unify arg --temp-path and new temp_path config value

* feat: change default temp dir from gradio to fooocus

* refactor: move temp path method definition and configs

* feat: rename get_temp_path to init_temp_path

---------

Co-authored-by: steveyourcreativepeople <steve@yourcreativepeople.com>
Co-authored-by: Manuel Schmid <manuel.schmid@odt.net>

modules/config.py

@@ -3,6 +3,7 @@ import json
 import math
 import numbers
 import args_manager
+import tempfile
 import modules.flags
 import modules.sdxl_styles
 
@@ -10,6 +11,7 @@ from modules.model_loader import load_file_from_url
 from modules.util import get_files_from_folder, makedirs_with_log
 from modules.flags import Performance, MetadataScheme
 
+
 def get_config_path(key, default_value):
     env = os.getenv(key)
     if env is not None and isinstance(env, str):
@@ -18,6 +20,7 @@ def get_config_path(key, default_value):
     else:
         return os.path.abspath(default_value)
 
+
 config_path = get_config_path('config_path', "./config.txt")
 config_example_path = get_config_path('config_example_path', "config_modification_tutorial.txt")
 config_dict = {}
@@ -117,7 +120,7 @@ def get_path_output() -> str:
     global config_dict
     path_output = get_dir_or_set_default('path_outputs', '../outputs/', make_directory=True)
     if args_manager.args.output_path:
-        print(f'[CONFIG] Overriding config value path_outputs with {args_manager.args.output_path}')
+        print(f'Overriding config value path_outputs with {args_manager.args.output_path}')
         config_dict['path_outputs'] = path_output = args_manager.args.output_path
     return path_output
 
@@ -178,6 +181,7 @@ path_clip_vision = get_dir_or_set_default('path_clip_vision', '../models/clip_vi
 path_fooocus_expansion = get_dir_or_set_default('path_fooocus_expansion', '../models/prompt_expansion/fooocus_expansion')
 path_outputs = get_path_output()
 
+
 def get_config_item_or_set_default(key, default_value, validator, disable_empty_as_none=False):
     global config_dict, visited_keys
 
@@ -206,6 +210,36 @@ def get_config_item_or_set_default(key, default_value, validator, disable_empty_
         return default_value
 
 
+def init_temp_path(path: str | None, default_path: str) -> str:
+    if args_manager.args.temp_path:
+        path = args_manager.args.temp_path
+
+    if path != '' and path != default_path:
+        try:
+            if not os.path.isabs(path):
+                path = os.path.abspath(path)
+            os.makedirs(path, exist_ok=True)
+            print(f'Using temp path {path}')
+            return path
+        except Exception as e:
+            print(f'Could not create temp path {path}. Reason: {e}')
+            print(f'Using default temp path {default_path} instead.')
+
+    os.makedirs(default_path, exist_ok=True)
+    return default_path
+
+
+default_temp_path = os.path.join(tempfile.gettempdir(), 'fooocus')
+temp_path = init_temp_path(get_config_item_or_set_default(
+    key='temp_path',
+    default_value=default_temp_path,
+    validator=lambda x: isinstance(x, str),
+), default_temp_path)
+temp_path_cleanup_on_launch = get_config_item_or_set_default(
+    key='temp_path_cleanup_on_launch',
+    default_value=True,
+    validator=lambda x: isinstance(x, bool)
+)
 default_base_model_name = get_config_item_or_set_default(
     key='default_model',
     default_value='model.safetensors',