remove parsing command line from devices.py

modules/devices.py

@@ -15,14 +15,10 @@ def extract_device_id(args, name):
 
 def get_optimal_device():
     if torch.cuda.is_available():
-        # CUDA device selection support:
-        if "shared" not in sys.modules:
-            commandline_args = os.environ.get('COMMANDLINE_ARGS', "") #re-parse the commandline arguments because using the shared.py module creates an import loop.
-            sys.argv += shlex.split(commandline_args)
-            device_id = extract_device_id(sys.argv, '--device-id')
-        else:
-            device_id = shared.cmd_opts.device_id
-            
+        from modules import shared
+
+        device_id = shared.cmd_opts.device_id
+
         if device_id is not None:
             cuda_device = f"cuda:{device_id}"
             return torch.device(cuda_device)
@@ -49,7 +45,7 @@ def enable_tf32():
 
 errors.run(enable_tf32, "Enabling TF32")
 
-device = device_interrogate = device_gfpgan = device_bsrgan = device_esrgan = device_scunet = device_codeformer = get_optimal_device()
+device = device_interrogate = device_gfpgan = device_bsrgan = device_esrgan = device_scunet = device_codeformer = None
 dtype = torch.float16
 dtype_vae = torch.float16
 

modules/lowvram.py

 import torch
-from modules.devices import get_optimal_device
+from modules import devices
 
 module_in_gpu = None
 cpu = torch.device("cpu")
-device = gpu = get_optimal_device()
 
 
 def send_everything_to_cpu():
@@ -33,7 +32,7 @@ def setup_for_low_vram(sd_model, use_medvram):
         if module_in_gpu is not None:
             module_in_gpu.to(cpu)
 
-        module.to(gpu)
+        module.to(devices.device)
         module_in_gpu = module
 
     # see below for register_forward_pre_hook;
@@ -51,7 +50,7 @@ def setup_for_low_vram(sd_model, use_medvram):
     # send the model to GPU. Then put modules back. the modules will be in CPU.
     stored = sd_model.cond_stage_model.transformer, sd_model.first_stage_model, sd_model.model
     sd_model.cond_stage_model.transformer, sd_model.first_stage_model, sd_model.model = None, None, None
-    sd_model.to(device)
+    sd_model.to(devices.device)
     sd_model.cond_stage_model.transformer, sd_model.first_stage_model, sd_model.model = stored
 
     # register hooks for those the first two models
@@ -70,7 +69,7 @@ def setup_for_low_vram(sd_model, use_medvram):
         # so that only one of them is in GPU at a time
         stored = diff_model.input_blocks, diff_model.middle_block, diff_model.output_blocks, diff_model.time_embed
         diff_model.input_blocks, diff_model.middle_block, diff_model.output_blocks, diff_model.time_embed = None, None, None, None
-        sd_model.model.to(device)
+        sd_model.model.to(devices.device)
         diff_model.input_blocks, diff_model.middle_block, diff_model.output_blocks, diff_model.time_embed = stored
 
         # install hooks for bits of third model