Rename VersionUpgrade49to50 to VersionUpgrade413to50

It's going to upgrade from 4.13 to 5.0. We will not support an upgrade path from the alpha/preview-betas to the stable release.

Contributes to issue CURA-8466.

plugins/VersionUpgrade/VersionUpgrade413to50/VersionUpgrade413to50.py

@@ -0,0 +1,118 @@
+# Copyright (c) 2022 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+import configparser
+from typing import Tuple, List
+import io
+from UM.VersionUpgrade import VersionUpgrade
+
+_removed_settings = {
+    "travel_compensate_overlapping_walls_enabled",
+    "travel_compensate_overlapping_walls_0_enabled",
+    "travel_compensate_overlapping_walls_x_enabled",
+    "fill_perimeter_gaps",
+    "wall_min_flow",
+    "wall_min_flow_retract",
+    "speed_equalize_flow_enabled",
+    "speed_equalize_flow_min"
+}
+
+
+class VersionUpgrade413to50(VersionUpgrade):
+    def upgradePreferences(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]:
+        """
+        Upgrades preferences to remove from the visibility list the settings that were removed in this version.
+        It also changes the preferences to have the new version number.
+
+        This removes any settings that were removed in the new Cura version.
+        :param serialized: The original contents of the preferences file.
+        :param filename: The file name of the preferences file.
+        :return: A list of new file names, and a list of the new contents for
+        those files.
+        """
+        parser = configparser.ConfigParser(interpolation = None)
+        parser.read_string(serialized)
+
+        # Update version number.
+        parser["metadata"]["setting_version"] = "18"
+
+        # Remove deleted settings from the visible settings list.
+        if "general" in parser and "visible_settings" in parser["general"]:
+            visible_settings = set(parser["general"]["visible_settings"].split(";"))
+            for removed in _removed_settings:
+                if removed in visible_settings:
+                    visible_settings.remove(removed)
+
+            # Replace Outer Before Inner Walls with equivalent.
+            if "outer_inset_first" in visible_settings:
+                visible_settings.remove("outer_inset_first")
+                visible_settings.add("inset_direction")
+
+            parser["general"]["visible_settings"] = ";".join(visible_settings)
+
+        result = io.StringIO()
+        parser.write(result)
+        return [filename], [result.getvalue()]
+
+    def upgradeInstanceContainer(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]:
+        """
+        Upgrades instance containers to remove the settings that were removed in this version.
+        It also changes the instance containers to have the new version number.
+
+        This removes any settings that were removed in the new Cura version and updates settings that need to be updated
+        with a new value.
+
+        :param serialized: The original contents of the instance container.
+        :param filename: The original file name of the instance container.
+        :return: A list of new file names, and a list of the new contents for
+        those files.
+        """
+        parser = configparser.ConfigParser(interpolation = None, comment_prefixes = ())
+        parser.read_string(serialized)
+
+        # Update version number.
+        parser["metadata"]["setting_version"] = "18"
+
+        if "values" in parser:
+            # Remove deleted settings from the instance containers.
+            for removed in _removed_settings:
+                if removed in parser["values"]:
+                    del parser["values"][removed]
+
+            # Replace Outer Before Inner Walls with equivalent setting.
+            if "outer_inset_first" in parser["values"]:
+                old_value = parser["values"]["outer_inset_first"]
+                if old_value.startswith("="):  # Was already a formula.
+                    old_value = old_value[1:]
+                parser["values"]["inset_direction"] = f"='outside_in' if ({old_value}) else 'inside_out'"  # Makes it work both with plain setting values and formulas.
+
+            # Disable Fuzzy Skin as it doesn't work with with the libArachne walls
+            if "magic_fuzzy_skin_enabled" in parser["values"]:
+                parser["values"]["magic_fuzzy_skin_enabled"] = "False"
+
+        result = io.StringIO()
+        parser.write(result)
+        return [filename], [result.getvalue()]
+
+    def upgradeStack(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]:
+        """
+        Upgrades stacks to have the new version number.
+
+        :param serialized: The original contents of the stack.
+        :param filename: The original file name of the stack.
+        :return: A list of new file names, and a list of the new contents for
+        those files.
+        """
+        parser = configparser.ConfigParser(interpolation = None)
+        parser.read_string(serialized)
+
+        # Update version number.
+        if "metadata" not in parser:
+            parser["metadata"] = {}
+
+        parser["general"]["version"] = "5"
+        parser["metadata"]["setting_version"] = "18"
+
+        result = io.StringIO()
+        parser.write(result)
+        return [filename], [result.getvalue()]