work

save startup blend for animation tab & whatnot

extensions/user_default/blenderkit/version_compare.py

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+"""Tolerant version comparator for real-world pipelines."""
+
+import re
+from functools import total_ordering
+
+
+@total_ordering
+class Version:
+    """
+    Tolerant version comparator for real-world pipelines.
+
+    Handles:
+        v1.2
+        3.19
+        3.19.0-260127
+        3.19.0-rc1
+        3.19.0-rc1-260127
+        3.19_final
+        build_42
+        anything with numbers in it
+    """
+
+    _PRERELEASE_RE = re.compile(r"(rc|alpha|beta|a|b)", re.I)
+
+    def __init__(self, raw: str):
+        self.raw = raw
+        self.parts = tuple(int(n) for n in re.findall(r"\d+", raw))
+        self.is_prerelease = bool(self._PRERELEASE_RE.search(raw))
+
+    def __eq__(self, other):
+        if not isinstance(other, Version):
+            return NotImplemented
+        return self.parts == other.parts and self.is_prerelease == other.is_prerelease
+
+    def __lt__(self, other):
+        if not isinstance(other, Version):
+            return NotImplemented
+
+        # compare numeric parts first
+        if self.parts != other.parts:
+            return self.parts < other.parts
+
+        # stable > prerelease
+        return self.is_prerelease and not other.is_prerelease
+
+    def __repr__(self):
+        return f"Version({self.raw!r})"
+
+
+# -------------------------------
+# Micro helpers
+# -------------------------------
+
+
+def version_gt(v1, v2):
+    """Greater than"""
+    return Version(v1) > Version(v2)
+
+
+def version_lt(v1, v2):
+    """Less than"""
+    return Version(v1) < Version(v2)
+
+
+def version_eq(v1, v2):
+    """Equal"""
+    return Version(v1) == Version(v2)
+
+
+def compare_versions(v1, v2):
+    """Compare two version strings.
+
+    Returns:
+        -1 if v1 < v2
+         0 if v1 == v2
+         1 if v1 > v2
+    """
+    ver1 = Version(v1)
+    ver2 = Version(v2)
+    if ver1 < ver2:
+        return -1
+    elif ver1 > ver2:
+        return 1
+    else:
+        return 0