46 lines
1.0 KiB
Python
46 lines
1.0 KiB
Python
from modules import shared
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from packaging import version
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import re
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v160 = version.parse("1.6.0")
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v170_tsnr = version.parse("v1.7.0-225")
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v180 = version.parse("1.8.0")
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def parse_version(text):
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if text is None:
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return None
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m = re.match(r'([^-]+-[^-]+)-.*', text)
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if m:
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text = m.group(1)
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try:
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return version.parse(text)
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except Exception:
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return None
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def backcompat(d):
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"""Checks infotext Version field, and enables backwards compatibility options according to it."""
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if not shared.opts.auto_backcompat:
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return
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ver = parse_version(d.get("Version"))
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if ver is None:
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return
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if ver < v160 and '[' in d.get('Prompt', ''):
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d["Old prompt editing timelines"] = True
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if ver < v160 and d.get('Sampler', '') in ('DDIM', 'PLMS'):
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d["Pad conds v0"] = True
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if ver < v170_tsnr:
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d["Downcast alphas_cumprod"] = True
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if ver < v180 and d.get('Refiner'):
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d["Refiner switch by sampling steps"] = True
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