Added upgrader for 4.3

plugins/VersionUpgrade/VersionUpgrade42to43/VersionUpgrade42to43.py

@@ -0,0 +1,72 @@
+import configparser
+import io
+from typing import Tuple, List
+
+from UM.VersionUpgrade import VersionUpgrade
+
+_renamed_profiles = { }
+
+
+##  Upgrades configurations from the state they were in at version 4.2 to the
+#   state they should be in at version 4.3.
+class VersionUpgrade42to43(VersionUpgrade):
+    ##  Gets the version number from a CFG file in Uranium's 4.2 format.
+    #
+    #   Since the format may change, this is implemented for the 4.2 format only
+    #   and needs to be included in the version upgrade system rather than
+    #   globally in Uranium.
+    #
+    #   \param serialised The serialised form of a CFG file.
+    #   \return The version number stored in the CFG file.
+    #   \raises ValueError The format of the version number in the file is
+    #   incorrect.
+    #   \raises KeyError The format of the file is incorrect.
+    def getCfgVersion(self, serialised: str) -> int:
+        parser = configparser.ConfigParser(interpolation = None)
+        parser.read_string(serialised)
+        format_version = int(parser.get("general", "version"))  # Explicitly give an exception when this fails. That means that the file format is not recognised.
+        setting_version = int(parser.get("metadata", "setting_version", fallback = "0"))
+        return format_version * 1000000 + setting_version
+
+    ##  Upgrades instance containers to have the new version
+    #   number.
+    #
+    #   This renames the renamed settings in the containers.
+    def upgradeInstanceContainer(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]:
+        parser = configparser.ConfigParser(interpolation=None)
+        parser.read_string(serialized)
+
+        # Update version number.
+        parser["metadata"]["setting_version"] = "9"
+
+        result = io.StringIO()
+        parser.write(result)
+        return [filename], [result.getvalue()]
+
+    ##  Upgrades stacks to have the new version number.
+    def upgradeStack(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]:
+        parser = configparser.ConfigParser(interpolation=None)
+        parser.read_string(serialized)
+
+        # Update version number.
+        parser["metadata"]["setting_version"] = "9"
+        # Handle changes for the imade3d jellybox. The machine was split up into parts (eg; a 2 fan version and a single
+        # fan version. Perviously it used variants for this. The only upgrade we can do here is strip that variant.
+        # This is because we only upgrade per stack (and to fully do these changes, we'd need to switch out something
+        # in the global container based on changes made to the extruder stack)
+        if parser["containers"]["6"] == "imade3d_jellybox_extruder_0":
+            quality_id = parser["containers"]["2"]
+            if quality_id.endswith("_2-fans"):
+                parser["containers"]["2"] = quality_id.replace("_2-fans", "")
+
+            material_id = parser["containers"]["3"]
+            if material_id.endswith("_2-fans"):
+                parser["containers"]["3"] = material_id.replace("_2-fans", "")
+            variant_id = parser["containers"]["4"]
+
+            if variant_id.endswith("_2-fans"):
+                parser["containers"]["4"] = variant_id.replace("_2-fans", "")
+
+        result = io.StringIO()
+        parser.write(result)
+        return [filename], [result.getvalue()]