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from modules import shared
from packaging import version
import re
v160 = version.parse("1.6.0")
v170_tsnr = version.parse("v1.7.0-225")
def parse_version(text):
if text is None:
return None
m = re.match(r'([^-]+-[^-]+)-.*', text)
if m:
text = m.group(1)
try:
return version.parse(text)
except Exception:
return None
def backcompat(d):
"""Checks infotext Version field, and enables backwards compatibility options according to it."""
if not shared.opts.auto_backcompat:
return
ver = parse_version(d.get("Version"))
if ver is None:
return
if ver < v160:
d["Old prompt editing timelines"] = True
if ver < v170_tsnr:
d["Downcast alphas_cumprod"] = True
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