Simplify a bunch of len(x) > 0/len(x) == 0 style expressions

Author: akx

extensions-builtin/LDSR/sd_hijack_autoencoder.py

@@ -91,8 +91,9 @@ def init_from_ckpt(self, path, ignore_keys=None):
                     del sd[k]
         missing, unexpected = self.load_state_dict(sd, strict=False)
         print(f"Restored from {path} with {len(missing)} missing and {len(unexpected)} unexpected keys")
-        if len(missing) > 0:
+        if missing:
             print(f"Missing Keys: {missing}")
+        if unexpected:
             print(f"Unexpected Keys: {unexpected}")
 
     def on_train_batch_end(self, *args, **kwargs):

extensions-builtin/LDSR/sd_hijack_ddpm_v1.py

@@ -195,9 +195,9 @@ def init_from_ckpt(self, path, ignore_keys=None, only_model=False):
         missing, unexpected = self.load_state_dict(sd, strict=False) if not only_model else self.model.load_state_dict(
             sd, strict=False)
         print(f"Restored from {path} with {len(missing)} missing and {len(unexpected)} unexpected keys")
-        if len(missing) > 0:
+        if missing:
             print(f"Missing Keys: {missing}")
-        if len(unexpected) > 0:
+        if unexpected:
             print(f"Unexpected Keys: {unexpected}")
 
     def q_mean_variance(self, x_start, t):

extensions-builtin/Lora/extra_networks_lora.py

@@ -9,14 +9,14 @@ def __init__(self):
     def activate(self, p, params_list):
         additional = shared.opts.sd_lora
 
-        if additional != "None" and additional in lora.available_loras and len([x for x in params_list if x.items[0] == additional]) == 0:
+        if additional != "None" and additional in lora.available_loras and not any(x for x in params_list if x.items[0] == additional):
             p.all_prompts = [x + f"<lora:{additional}:{shared.opts.extra_networks_default_multiplier}>" for x in p.all_prompts]
             params_list.append(extra_networks.ExtraNetworkParams(items=[additional, shared.opts.extra_networks_default_multiplier]))
 
         names = []
         multipliers = []
         for params in params_list:
-            assert len(params.items) > 0
+            assert params.items
 
             names.append(params.items[0])
             multipliers.append(float(params.items[1]) if len(params.items) > 1 else 1.0)

extensions-builtin/Lora/lora.py

@@ -219,7 +219,7 @@ def load_lora(name, lora_on_disk):
         else:
             raise AssertionError(f"Bad Lora layer name: {key_diffusers} - must end in lora_up.weight, lora_down.weight or alpha")
 
-    if len(keys_failed_to_match) > 0:
+    if keys_failed_to_match:
         print(f"Failed to match keys when loading Lora {lora_on_disk.filename}: {keys_failed_to_match}")
 
     return lora
@@ -267,7 +267,7 @@ def load_loras(names, multipliers=None):
         lora.multiplier = multipliers[i] if multipliers else 1.0
         loaded_loras.append(lora)
 
-    if len(failed_to_load_loras) > 0:
+    if failed_to_load_loras:
         sd_hijack.model_hijack.comments.append("Failed to find Loras: " + ", ".join(failed_to_load_loras))
 
 

extensions-builtin/extra-options-section/scripts/extra_options_section.py

@@ -21,7 +21,7 @@ def ui(self, is_img2img):
         self.setting_names = []
 
         with gr.Blocks() as interface:
-            with gr.Accordion("Options", open=False) if shared.opts.extra_options_accordion and len(shared.opts.extra_options) > 0 else gr.Group(), gr.Row():
+            with gr.Accordion("Options", open=False) if shared.opts.extra_options_accordion and shared.opts.extra_options else gr.Group(), gr.Row():
                 for setting_name in shared.opts.extra_options:
                     with FormColumn():
                         comp = ui_settings.create_setting_component(setting_name)

modules/api/api.py

@@ -280,7 +280,7 @@ def init_script_args(self, request, default_script_args, selectable_scripts, sel
             script_args[0] = selectable_idx + 1
 
         # Now check for always on scripts
-        if request.alwayson_scripts and (len(request.alwayson_scripts) > 0):
+        if request.alwayson_scripts:
             for alwayson_script_name in request.alwayson_scripts.keys():
                 alwayson_script = self.get_script(alwayson_script_name, script_runner)
                 if alwayson_script is None:

modules/call_queue.py

@@ -21,7 +21,7 @@ def wrap_gradio_gpu_call(func, extra_outputs=None):
     def f(*args, **kwargs):
 
         # if the first argument is a string that says "task(...)", it is treated as a job id
-        if len(args) > 0 and type(args[0]) == str and args[0][0:5] == "task(" and args[0][-1] == ")":
+        if args and type(args[0]) == str and args[0].startswith("task(") and args[0].endswith(")"):
             id_task = args[0]
             progress.add_task_to_queue(id_task)
         else:

modules/extra_networks_hypernet.py

@@ -9,15 +9,15 @@ def __init__(self):
     def activate(self, p, params_list):
         additional = shared.opts.sd_hypernetwork
 
-        if additional != "None" and additional in shared.hypernetworks and len([x for x in params_list if x.items[0] == additional]) == 0:
+        if additional != "None" and additional in shared.hypernetworks and not any(x for x in params_list if x.items[0] == additional):
             hypernet_prompt_text = f"<hypernet:{additional}:{shared.opts.extra_networks_default_multiplier}>"
             p.all_prompts = [f"{prompt}{hypernet_prompt_text}" for prompt in p.all_prompts]
             params_list.append(extra_networks.ExtraNetworkParams(items=[additional, shared.opts.extra_networks_default_multiplier]))
 
         names = []
         multipliers = []
         for params in params_list:
-            assert len(params.items) > 0
+            assert params.items
 
             names.append(params.items[0])
             multipliers.append(float(params.items[1]) if len(params.items) > 1 else 1.0)

modules/generation_parameters_copypaste.py

@@ -55,7 +55,7 @@ def image_from_url_text(filedata):
     if filedata is None:
         return None
 
-    if type(filedata) == list and len(filedata) > 0 and type(filedata[0]) == dict and filedata[0].get("is_file", False):
+    if type(filedata) == list and filedata and type(filedata[0]) == dict and filedata[0].get("is_file", False):
         filedata = filedata[0]
 
     if type(filedata) == dict and filedata.get("is_file", False):
@@ -437,7 +437,7 @@ def paste_settings(params):
 
             vals_pairs = [f"{k}: {v}" for k, v in vals.items()]
 
-            return gr.Dropdown.update(value=vals_pairs, choices=vals_pairs, visible=len(vals_pairs) > 0)
+            return gr.Dropdown.update(value=vals_pairs, choices=vals_pairs, visible=bool(vals_pairs))
 
         paste_fields = paste_fields + [(override_settings_component, paste_settings)]
 
@@ -454,5 +454,3 @@ def paste_settings(params):
         outputs=[],
         show_progress=False,
     )
-
-

modules/images.py

@@ -406,7 +406,7 @@ def prompt_no_style(self):
 
         prompt_no_style = self.prompt
         for style in shared.prompt_styles.get_style_prompts(self.p.styles):
-            if len(style) > 0:
+            if style:
                 for part in style.split("{prompt}"):
                     prompt_no_style = prompt_no_style.replace(part, "").replace(", ,", ",").strip().strip(',')
 
@@ -415,15 +415,15 @@ def prompt_no_style(self):
         return sanitize_filename_part(prompt_no_style, replace_spaces=False)
 
     def prompt_words(self):
-        words = [x for x in re_nonletters.split(self.prompt or "") if len(x) > 0]
+        words = [x for x in re_nonletters.split(self.prompt or "") if x]
         if len(words) == 0:
             words = ["empty"]
         return sanitize_filename_part(" ".join(words[0:opts.directories_max_prompt_words]), replace_spaces=False)
 
     def datetime(self, *args):
         time_datetime = datetime.datetime.now()
 
-        time_format = args[0] if len(args) > 0 and args[0] != "" else self.default_time_format
+        time_format = args[0] if (args and args[0] != "") else self.default_time_format
         try:
             time_zone = pytz.timezone(args[1]) if len(args) > 1 else None
         except pytz.exceptions.UnknownTimeZoneError: