80 lines
2.7 KiB
Python
80 lines
2.7 KiB
Python
import random
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class Random_Project:
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"""
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Random Project Node:
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• entries: multiline string containing entries in the format:
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###X
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positive prompt lines
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---
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negative prompt lines
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for arbitrary X values (not necessarily contiguous).
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• seed: integer seed (0 = no seed), adjustable via arrows
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• control_after_generate: dropdown selection with arrows
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- "randomize": choose a truly random entry (seed optional for determinism)
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- "seed": deterministic selection using (seed - 1) % number_of_entries
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Outputs:
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• pos (STRING): selected positive prompt
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• neg (STRING): selected negative prompt
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"""
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"entries": ("STRING", {"multiline": True, "default": ""}),
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"seed": ("INT", {"default": 0, "min": 0}),
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"control_after_generate":(
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"STRING", {"default": "randomize", "choices": ["randomize", "seed"]}
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),
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}
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}
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RETURN_TYPES = ("STRING", "STRING")
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FUNCTION = "random_project"
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OUTPUT_NODE = True
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CATEGORY = "hexxacubic"
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def random_project(self, entries, seed, control_after_generate):
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# parse entries into sections keyed by integer identifiers
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sections = {}
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current = None
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for line in entries.splitlines():
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line = line.rstrip("\n")
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if not line.strip():
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continue
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if line.startswith("###"):
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try:
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key = int(line[3:])
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current = key
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sections[key] = {"pos": [], "neg": [], "in_neg": False}
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except ValueError:
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current = None
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elif current is not None:
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if line.strip() == "---":
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sections[current]["in_neg"] = True
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else:
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bucket = "neg" if sections[current]["in_neg"] else "pos"
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sections[current][bucket].append(line)
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# return empty if no entries
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if not sections:
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return "", ""
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# determine valid keys in sorted order
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keys = sorted(sections.keys())
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# choose index
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if control_after_generate == "randomize":
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if seed:
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random.seed(seed)
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choice = random.choice(keys)
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else: # seed mode
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choice = keys[(seed - 1) % len(keys)]
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# assemble prompts
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data = sections[choice]
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pos = "\n".join(data["pos"]).strip()
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neg = "\n".join(data["neg"]).strip()
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return pos, neg
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