import re import torch import json import os import time import random import itertools import folder_paths import nodes import comfy.utils import comfy.sd import comfy.samplers import comfy.model_management from PIL import Image import numpy as np try: from server import PromptServer except ImportError: PromptServer = None from .html_generator import get_html_template class SamplerGridTester: @classmethod def INPUT_TYPES(s): return { "required": { "ckpt_name": (folder_paths.get_filename_list("checkpoints"), ), "positive_text": ("STRING", {"multiline": True, "default": "masterpiece, best quality, 1girl"}), "negative_text": ("STRING", {"multiline": True, "default": "bad quality, worst quality, lowres"}), "seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}), "denoise": ("STRING", {"default": "1.0", "multiline": False}), "vae_batch_size": ("INT", {"default": 4, "min": -1, "max": 64}), "configs_json": ("STRING", {"multiline": True, "default": '[{"sampler": "euler", "scheduler": "normal", "steps": 20, "cfg": 7.0}]'}), "resolutions_json": ("STRING", {"default": '[[1024, 1024]]'}), "session_name": ("STRING", {"default": "my_session"}), "overwrite_existing": ("BOOLEAN", {"default": False, "tooltip": "True = Re-run everything. False = Skip already generated images (Resume)."}), "flush_batch_every": ("INT", {"default": 4, "min": 0, "max": 64, "tooltip": "Update dashboard every X images. 0 = Use VAE Batch Size."}), "add_random_seeds_to_gens": ("INT", {"default": 0, "min": 0, "max": 100, "tooltip": "Generate X extra images per config using consistent random seeds."}), }, "optional": { "optional_model": ("MODEL",), "optional_clip": ("CLIP",), "optional_vae": ("VAE",), "optional_positive": ("CONDITIONING",), "optional_negative": ("CONDITIONING",), "optional_latent": ("LATENT",), }, "hidden": {"unique_id": "UNIQUE_ID"}, } RETURN_TYPES = ("STRING",) RETURN_NAMES = ("dashboard_html",) FUNCTION = "run_tests" CATEGORY = "sampling/testing" # --- HELPER: ROBUST FLOAT COMPARISON --- def is_float_equal(self, a, b, tolerance=1e-5): try: return abs(float(a) - float(b)) < tolerance except: return str(a) == str(b) # --- HELPER: NORMALIZE PATHS --- def normalize_str(self, s): if isinstance(s, str): return s.replace("\\", "/").strip() return s def get_files_from_folder(self, input_string, type_key): input_norm = input_string.replace("\\", "/") if ":" in input_norm: input_norm = input_norm.split(":")[0] if not input_norm.endswith("/"): return [input_string] target_folder = input_norm.rstrip("/") all_files = folder_paths.get_filename_list(type_key) found = [] for f in all_files: f_norm = f.replace("\\", "/") if f_norm.startswith(target_folder + "/"): found.append(f) if not found: print(f"[GridTester] Warning: No files found in folder '{input_string}' for type '{type_key}'") return [] return found def parse_lora_definition(self, lora_string, global_model_strength, global_clip_strength): if lora_string == "None": return [] definitions = [] parts = lora_string.split(" + ") for part in parts: part = part.strip() if ":" in part: segments = part.split(":") name = segments[0].strip() m_str = float(segments[1]) if len(segments) > 1 else 1.0 c_str = float(segments[2]) if len(segments) > 2 else 1.0 definitions.append((name, m_str, c_str)) else: definitions.append((part, global_model_strength, global_clip_strength)) return definitions def parse_float_input(self, input_str): try: val = json.loads(input_str) if isinstance(val, list): return [float(x) for x in val] return [float(val)] except: try: if "," in input_str: return [float(x.strip()) for x in input_str.split(",")] return [float(input_str)] except: return [1.0] def parse_string_input(self, input_str): try: val = json.loads(input_str.strip()) if isinstance(val, list): return [str(x) for x in val] return [str(val)] except: return [input_str] # --- HELPER: CHECK IF CONFIG ALREADY EXISTS --- def find_existing_match(self, existing_items, conf, w, h, current_seed, batch_idx, match_keys): """Returns the index of matching item, or -1 if not found""" for idx, item in enumerate(existing_items): is_match = True for k in match_keys: val_conf = conf.get(k) # Override with current job values if k == "width": val_conf = w elif k == "height": val_conf = h elif k == "seed": val_conf = current_seed elif k == "batch_idx": val_conf = batch_idx val_item = item.get(k) # Handle model defaults if k == "model": if val_item is None: if val_conf != "Default": is_match = False break elif val_conf == "Default" and val_item is None: continue # Float comparison if isinstance(val_conf, float) or isinstance(val_item, float): if not self.is_float_equal(val_conf, val_item): is_match = False break # String comparison elif isinstance(val_conf, str) and isinstance(val_item, str): if self.normalize_str(val_conf) != self.normalize_str(val_item): is_match = False break # Direct comparison elif val_item != val_conf: is_match = False break if is_match: return idx return -1 def run_tests(self, ckpt_name, positive_text, negative_text, seed, denoise, vae_batch_size, overwrite_existing, flush_batch_every, configs_json, resolutions_json, session_name, unique_id, add_random_seeds_to_gens, optional_model=None, optional_clip=None, optional_vae=None, optional_positive=None, optional_negative=None, optional_latent=None): def parse_json_with_error(json_str, name): try: return json.loads(json_str.strip()) except json.JSONDecodeError as e: raise ValueError(f"JSON Error in {name}: {e}") try: raw_configs = parse_json_with_error(configs_json, "Configs JSON") resolutions = parse_json_with_error(resolutions_json, "Resolutions JSON") denoise_values = self.parse_float_input(str(denoise)) pos_prompts = self.parse_string_input(positive_text) neg_prompts = self.parse_string_input(negative_text) except Exception as e: raise ValueError(f"{e}") session_name = re.sub(r'[^\w\-]', '', session_name) if not session_name: session_name = "default_session" base_dir = os.path.join(folder_paths.get_output_directory(), "benchmarks", session_name) img_dir = os.path.join(base_dir, "images") os.makedirs(img_dir, exist_ok=True) manifest_path = os.path.join(base_dir, "manifest.json") existing_data = {"items": [], "meta": {}} if os.path.exists(manifest_path): try: with open(manifest_path, "r") as f: d = json.load(f) if isinstance(d, list): existing_data["items"] = d else: existing_data = d except: pass existing_data["meta"] = { "model": "Multi-Model Session", "positive": "Multiple" if len(pos_prompts) > 1 else pos_prompts[0], "negative": "Multiple" if len(neg_prompts) > 1 else neg_prompts[0], "updated": int(time.time()), "random_seed_map": existing_data.get("meta", {}).get("random_seed_map", {}) # Preserve seed map } # --- PREPARE JOBS --- input_jobs = [] if optional_latent is not None: batch_count = optional_latent["samples"].shape[0] for i in range(batch_count): single_sample = optional_latent["samples"][i].unsqueeze(0) input_jobs.append({ "label": f"Input {i+1}", "width": single_sample.shape[3] * 8, "height": single_sample.shape[2] * 8, "latent": {"samples": single_sample}, "batch_idx": i }) else: for res in resolutions: input_jobs.append({ "label": f"{res[0]}x{res[1]}", "width": res[0], "height": res[1], "latent": None, "batch_idx": 0 }) # --- GENERATE RANDOM SEED LIST --- extra_seeds = [] if add_random_seeds_to_gens > 0: # Use base seed to generate deterministic random seeds # This way: same base seed = same random seeds, different base seed = different random seeds seed_key = f"{seed}_{add_random_seeds_to_gens}" saved_seed_map = existing_data.get("meta", {}).get("random_seed_map", {}) if seed_key in saved_seed_map: # Reuse seeds for this base seed extra_seeds = saved_seed_map[seed_key] print(f"[GridTester] ♻️ Reusing {len(extra_seeds)} saved random seeds for base seed {seed}: {extra_seeds}") else: # Generate new deterministic random seeds based on base seed rng = random.Random(seed) # Deterministic RNG seeded with base seed for i in range(add_random_seeds_to_gens): # Add offset to ensure we don't accidentally match the base seed extra_seeds.append(rng.randint(0, 0xffffffffffffffff)) print(f"[GridTester] 🎲 Generated {len(extra_seeds)} new random seeds for base seed {seed}: {extra_seeds}") # Save to manifest if "random_seed_map" not in existing_data["meta"]: existing_data["meta"]["random_seed_map"] = {} existing_data["meta"]["random_seed_map"][seed_key] = extra_seeds # --- EXPAND CONFIGS --- ALL_SCHEDULERS = comfy.samplers.KSampler.SCHEDULERS ALL_SAMPLERS = comfy.samplers.KSampler.SAMPLERS expanded = [] if len(pos_prompts) > 1 and len(neg_prompts) > 1 and len(pos_prompts) == len(neg_prompts): print("[GridTester] Detected matching prompt lists. Using 1-to-1 Pairing.") prompt_pairs = list(zip(pos_prompts, neg_prompts)) else: prompt_pairs = list(itertools.product(pos_prompts, neg_prompts)) for entry in raw_configs: def to_list(x): return x if isinstance(x, list) else [x] samplers = ALL_SAMPLERS if entry.get("sampler") == "*" else to_list(entry.get("sampler", "euler")) schedulers = ALL_SCHEDULERS if entry.get("scheduler") == "*" else to_list(entry.get("scheduler", "normal")) steps_l = to_list(entry.get("steps", 20)) cfgs = to_list(entry.get("cfg", 7.0)) str_m = to_list(entry.get("str_model", 1.0)) str_c = to_list(entry.get("str_clip", 1.0)) raw_models = to_list(entry.get("model", "Default")) expanded_models = [] for m in raw_models: if m == "Default": expanded_models.append("Default") else: expanded_models.extend(self.get_files_from_folder(m, "checkpoints")) # --- LORA STACK EXPANSION --- raw_loras = to_list(entry.get("lora", "None")) expanded_loras = [] for l in raw_loras: if l == "None": expanded_loras.append("None") continue stack_parts = l.split(" + ") expanded_parts = [] for part in stack_parts: if ":" in part: p_split = part.split(":", 1) base_path = p_split[0].strip() args = ":" + p_split[1].strip() else: base_path = part.strip() args = "" norm_path = base_path.replace("\\", "/") if norm_path.endswith("/"): found_files = self.get_files_from_folder(base_path, "loras") expanded_parts.append([f"{f}{args}" for f in found_files]) else: expanded_parts.append([part]) for combo in itertools.product(*expanded_parts): expanded_loras.append(" + ".join(combo)) # --- BUILD BASE CONFIGS --- base_combos = [] for combo in itertools.product(samplers, schedulers, steps_l, cfgs, expanded_loras, str_m, str_c, denoise_values, prompt_pairs, expanded_models): base_combos.append({ "sampler": combo[0], "scheduler": combo[1], "steps": combo[2], "cfg": combo[3], "lora": combo[4], "str_model": combo[5], "str_clip": combo[6], "denoise": combo[7], "positive": combo[8][0], "negative": combo[8][1], "model": combo[9], "seed": seed }) # --- APPLY SEEDS --- for c in base_combos: expanded.append(c) for extra_seed in extra_seeds: new_c = c.copy() new_c["seed"] = extra_seed expanded.append(new_c) expanded.sort(key=lambda x: (x['model'], x['lora'], x['positive'], x['negative'])) print(f"[GridTester] Processing {len(expanded) * len(input_jobs)} items...") cached_model_key, cached_lora_key = None, None cached_pos_key, cached_neg_key = None, None loaded_model, loaded_clip, loaded_vae = None, None, None patched_model, patched_clip = None, None final_positive, final_negative = None, None pending_batch = [] MATCH_KEYS = ["sampler", "scheduler", "steps", "cfg", "lora", "str_model", "str_clip", "denoise", "seed", "width", "height", "positive", "negative", "batch_idx", "model"] skipped_count = 0 total_generated = 0 def flush_batch(batch_list): nonlocal total_generated if not batch_list: return latents_to_decode = torch.cat([x[0] for x in batch_list], dim=0) active_vae = optional_vae if optional_vae is not None else loaded_vae if active_vae is None: ckpt_path = folder_paths.get_full_path("checkpoints", ckpt_name) out = comfy.sd.load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=False, embedding_directory=folder_paths.get_folder_paths("embeddings")) active_vae = out[2] decoded = active_vae.decode(latents_to_decode) new_items = [] # Only track new items for i, img_tensor in enumerate(decoded): img_np = 255. * img_tensor.cpu().numpy() img = Image.fromarray(np.clip(img_np, 0, 255).astype(np.uint8)) meta = batch_list[i][1] ts = int(time.time() * 100000) + random.randint(0,1000) filename = f"img_{ts}.webp" img.save(os.path.join(img_dir, filename), quality=80) meta.update({ "id": ts, "file": f"/view?filename={filename}&type=output&subfolder=benchmarks/{session_name}/images", "rejected": False }) existing_data["items"].insert(0, meta) new_items.insert(0, meta) total_generated += 1 with open(manifest_path, "w") as f: json.dump(existing_data, f, indent=4) if PromptServer: # --- OPTIMIZATION: Send ONLY new_items, not the whole manifest --- PromptServer.instance.send_sync("ultimate_grid.update", { "node": unique_id, "session_name": session_name, "new_items": new_items, "meta": existing_data["meta"] }) # --- MAIN GENERATION LOOP --- for job in input_jobs: w, h = job["width"], job["height"] batch_idx = job["batch_idx"] for conf in expanded: current_seed = conf["seed"] # --- CRITICAL FIX: CHECK FOR SKIP FIRST, BEFORE ANY WORK --- match_index = self.find_existing_match(existing_data["items"], conf, w, h, current_seed, batch_idx, MATCH_KEYS) if match_index != -1: if not overwrite_existing: skipped_count += 1 continue # Skip this config entirely else: # Overwrite mode: delete old item old_item = existing_data["items"][match_index] try: old_fname_match = re.search(r'filename=([^&]+)', old_item["file"]) if old_fname_match: old_file_path = os.path.join(img_dir, old_fname_match.group(1)) if os.path.exists(old_file_path): os.remove(old_file_path) print(f"[GridTester] Deleted old image: {old_fname_match.group(1)}") except Exception as e: print(f"[GridTester] Could not delete old image: {e}") existing_data["items"].pop(match_index) # --- NOW DO THE ACTUAL WORK (only if not skipped) --- # --- 1. MODEL LOADING --- target_model_name = conf["model"] if target_model_name != cached_model_key: if target_model_name == "Default": if optional_model and optional_clip: loaded_model, loaded_clip = optional_model, optional_clip if optional_vae: loaded_vae = optional_vae else: ckpt_path = folder_paths.get_full_path("checkpoints", ckpt_name) out = comfy.sd.load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=False, embedding_directory=folder_paths.get_folder_paths("embeddings")) loaded_vae = out[2] else: ckpt_path = folder_paths.get_full_path("checkpoints", ckpt_name) out = comfy.sd.load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=True, embedding_directory=folder_paths.get_folder_paths("embeddings")) loaded_model, loaded_clip, loaded_vae = out[:3] else: print(f"[GridTester] Switching Checkpoint to: {target_model_name}") ckpt_path = folder_paths.get_full_path("checkpoints", target_model_name) out = comfy.sd.load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=True, embedding_directory=folder_paths.get_folder_paths("embeddings")) loaded_model, loaded_clip, loaded_vae = out[:3] cached_model_key = target_model_name cached_lora_key, patched_model, patched_clip = None, None, None cached_pos_key, cached_neg_key = None, None # --- 2. LORA --- current_lora_key = (conf["lora"], conf["str_model"], conf["str_clip"]) if current_lora_key != cached_lora_key or patched_model is None: curr_m, curr_c = loaded_model, loaded_clip active_loras = self.parse_lora_definition(conf["lora"], conf["str_model"], conf["str_clip"]) for lora_def in active_loras: lname, lstr_m, lstr_c = lora_def path = folder_paths.get_full_path("loras", lname) if path: lora_data = comfy.utils.load_torch_file(path) curr_m, curr_c = comfy.sd.load_lora_for_models(curr_m, curr_c, lora_data, lstr_m, lstr_c) else: print(f"[GridTester] WARNING: LoRA not found: {lname}") patched_model, patched_clip = curr_m, curr_c cached_lora_key = current_lora_key cached_pos_key, cached_neg_key = None, None # --- 3. CONDITIONING --- if optional_positive: final_positive = optional_positive else: if conf["positive"] == cached_pos_key and final_positive: pass else: tokens = patched_clip.tokenize(conf["positive"]) cond, pooled = patched_clip.encode_from_tokens(tokens, return_pooled=True) final_positive = [[cond, {"pooled_output": pooled}]] cached_pos_key = conf["positive"] if optional_negative: final_negative = optional_negative else: if conf["negative"] == cached_neg_key and final_negative: pass else: tokens = patched_clip.tokenize(conf["negative"]) cond, pooled = patched_clip.encode_from_tokens(tokens, return_pooled=True) final_negative = [[cond, {"pooled_output": pooled}]] cached_neg_key = conf["negative"] # --- 4. GENERATE --- if job["latent"] is not None: latent_in = {"samples": job["latent"]["samples"].clone()} else: latent_in = {"samples": torch.zeros([1, 4, h // 8, w // 8])} try: t0 = time.time() result = nodes.common_ksampler( model=patched_model, seed=current_seed, steps=conf["steps"], cfg=conf["cfg"], sampler_name=conf["sampler"], scheduler=conf["scheduler"], positive=final_positive, negative=final_negative, latent=latent_in, denoise=conf["denoise"] ) duration = round(time.time() - t0, 3) meta = conf.copy() meta.update({"width": w, "height": h, "duration": duration, "seed": current_seed, "batch_idx": batch_idx}) pending_batch.append((result[0]["samples"], meta)) except comfy.model_management.InterruptProcessingException: raise except Exception as e: print(f"[GridTester] Generation Failed (Skipping Config): {e}") continue # --- 5. FLUSHING --- threshold = vae_batch_size if flush_batch_every <= 0 else flush_batch_every if len(pending_batch) >= threshold: flush_batch(pending_batch) pending_batch = [] # --- FINAL SUMMARY --- if skipped_count > 0: print(f"[GridTester] ✅ Skipped {skipped_count} previously generated items.") print(f"[GridTester] ✅ Generated {total_generated} new images.") # Flush any remaining items flush_batch(pending_batch) # Save final manifest with open(manifest_path, "w") as f: json.dump(existing_data, f, indent=4) html = get_html_template(session_name, existing_data, unique_id) return (html,)