fix: resolve circular dependency for sha256, update files and init cache after initial model download

fixes lllyasviel/Fooocus#2372

(cherry picked from commit 5c43a4bece059a70fc6246dd01622093cac2c0c9)

Author: mashb1t

launch.py

@@ -85,6 +85,7 @@ def ini_args():
     print("Set hf_mirror to:", args.hf_mirror)
 
 from modules import config
+from modules.hash_cache import init_cache
 os.environ["U2NET_HOME"] = config.path_inpaint
 
 os.environ['GRADIO_TEMP_DIR'] = config.temp_path
@@ -140,4 +141,7 @@ def download_models(default_model, previous_default_models, checkpoint_downloads
     config.default_base_model_name, config.previous_default_models, config.checkpoint_downloads,
     config.embeddings_downloads, config.lora_downloads, config.vae_downloads)
 
+config.update_files()
+init_cache(config.model_filenames, config.paths_checkpoints, config.lora_filenames, config.paths_loras)
+
 from webui import *

modules/config.py

@@ -7,7 +7,6 @@
 import tempfile
 import modules.flags
 import modules.sdxl_styles
-from modules.hash_cache import init_cache
 
 from modules.model_loader import load_file_from_url
 from modules.extra_utils import makedirs_with_log, get_files_from_folder, try_eval_env_var
@@ -889,7 +888,3 @@ def downloading_sam_vit_h():
         file_name='sam_vit_h_4b8939.pth'
     )
     return os.path.join(path_sam, 'sam_vit_h_4b8939.pth')
-
-
-update_files()
-init_cache(model_filenames, paths_checkpoints, lora_filenames, paths_loras)

modules/hash_cache.py

@@ -4,8 +4,7 @@
 from multiprocessing import cpu_count
 
 import args_manager
-from modules.util import get_file_from_folder_list
-from modules.util import sha256, HASH_SHA256_LENGTH
+from modules.util import sha256, HASH_SHA256_LENGTH, get_file_from_folder_list
 
 hash_cache_filename = 'hash_cache.txt'
 hash_cache = {}