2026-02-16

extensions/rainys_extensions/sheepit_project_submitter/utils/compat.py

@@ -0,0 +1,116 @@
+"""
+Compatibility layer for handling differences across Blender versions.
+Supports full SheepIt range: 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 4.0, 4.1, 4.2, 4.3, 4.4, 4.5, 5.0+
+Minimum supported: Blender 3.0
+"""
+
+import bpy
+from bpy.utils import register_class, unregister_class
+from . import version
+
+
+def safe_register_class(cls):
+    """
+    Safely register a class, handling any version-specific registration issues.
+    
+    Args:
+        cls: The class to register
+    
+    Returns:
+        bool: True if registration succeeded, False otherwise
+    """
+    try:
+        register_class(cls)
+        return True
+    except Exception as e:
+        print(f"Warning: Failed to register {cls.__name__}: {e}")
+        return False
+
+
+def safe_unregister_class(cls):
+    """
+    Safely unregister a class, handling any version-specific unregistration issues.
+    
+    Args:
+        cls: The class to unregister
+    
+    Returns:
+        bool: True if unregistration succeeded, False otherwise
+    """
+    try:
+        unregister_class(cls)
+        return True
+    except Exception as e:
+        print(f"Warning: Failed to unregister {cls.__name__}: {e}")
+        return False
+
+
+def get_addon_prefs():
+    """
+    Get the addon preferences instance, compatible across versions.
+    
+    Returns:
+        AddonPreferences or None: The addon preferences instance if found
+    """
+    from .. import config
+    prefs = bpy.context.preferences
+    addon = prefs.addons.get(config.ADDON_ID, None)
+    if addon and getattr(addon, "preferences", None):
+        return addon.preferences
+    for addon in prefs.addons.values():
+        ap = getattr(addon, "preferences", None)
+        if ap and hasattr(ap, "default_output_path"):
+            return ap
+    return None
+
+
+def is_library_or_override(datablock):
+    """
+    Check if a datablock is library-linked or an override.
+    
+    Args:
+        datablock: The datablock to check
+    
+    Returns:
+        bool: True if the datablock is library-linked or an override, False otherwise
+    """
+    # Check if datablock is linked from a library
+    if hasattr(datablock, 'library') and datablock.library:
+        return True
+    
+    # Check if datablock is an override (Blender 3.0+)
+    if hasattr(datablock, 'override_library') and datablock.override_library:
+        return True
+    
+    return False
+
+
+def get_file_path_map(include_libraries=False):
+    """
+    Get file path map, handling version differences.
+    
+    Args:
+        include_libraries (bool): Whether to include library paths
+    
+    Returns:
+        dict: File path map
+    """
+    try:
+        return bpy.data.file_path_map(include_libraries=include_libraries)
+    except Exception:
+        # Fallback for older versions
+        return {}
+
+
+def get_user_map():
+    """
+    Get user map, handling version differences.
+    
+    Returns:
+        dict: User map
+    """
+    try:
+        return bpy.data.user_map()
+    except Exception:
+        # Fallback for older versions
+        return {}