94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
import os
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import folder_paths
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import random
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class Prompt_Library:
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"""
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• project dropdown: '<category>/<project>' choices at init
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• index slider: free int from 1 to 99
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• randomize switch: if True, pick a random index between 1 and highest ###N in file
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• file reloaded every get_prompt call to reflect external changes
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"""
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def __init__(self):
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self.base = os.path.join(folder_paths.models_dir, "prompts")
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@classmethod
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def INPUT_TYPES(s):
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base = os.path.join(folder_paths.models_dir, "prompts")
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# build combined project list at node-load
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cats = [d for d in os.listdir(base) if os.path.isdir(os.path.join(base, d))]
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proj_choices = []
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for cat in sorted(cats):
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folder = os.path.join(base, cat)
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for fn in sorted(os.listdir(folder)):
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if fn.lower().endswith(".txt"):
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name = fn[:-4]
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proj_choices.append(f"{cat}/{name}")
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return {
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"required": {
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"project": (proj_choices,),
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"index": ("INT", {"default": 1, "min": 1, "max": 99}),
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"randomize": ("BOOL", {"default": False}),
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}
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}
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RETURN_TYPES = ("STRING", "STRING", "STRING", "INT")
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FUNCTION = "get_prompt"
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OUTPUT_NODE = True
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CATEGORY = "hexxacubic"
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def get_prompt(self, project, index, randomize):
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# split category/project
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try:
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cat, name = project.split("/", 1)
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except ValueError:
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return ("", "", project, index)
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path = os.path.join(self.base, cat, name + ".txt")
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if not os.path.isfile(path):
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return ("", "", project, index)
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# parse file into sections keyed by ###N
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sections = {}
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current = None
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with open(path, encoding="utf-8") as f:
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for raw in f:
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line = raw.rstrip("\n")
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if line.startswith("###"):
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try:
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num = int(line[3:])
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current = num
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sections[current] = []
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except:
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current = None
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elif current is not None:
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sections[current].append(line)
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# decide which index to use
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if randomize:
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max_idx = max(sections.keys()) if sections else 1
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idx = random.randint(1, max_idx)
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else:
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idx = index
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# extract pos/neg prompts
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lines = sections.get(idx, [])
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if '---' in lines:
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sep = lines.index('---')
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pos = "\n".join(lines[:sep]).strip()
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neg = "\n".join(lines[sep+1:]).strip()
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else:
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pos = "\n".join(lines).strip()
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neg = ""
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return (pos, neg, project, idx)
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NODE_CLASS_MAPPINGS = {
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"Prompt_Library": Prompt_Library,
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}
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NODE_DISPLAY_NAME_MAPPINGS = {
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"Prompt Library": "Prompt_Library",
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}
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