COMP: Patch igenerator.py for enum wrapping

Required until ITK 5.1 RC 2 is released.

Diff:

diff --git a/Wrapping/Generators/SwigInterface/igenerator.py b/Wrapping/Generators/SwigInterface/igenerator.py
index ff7eb90b24..35de55eae8 100755
--- a/Wrapping/Generators/SwigInterface/igenerator.py
+++ b/Wrapping/Generators/SwigInterface/igenerator.py
@@ -855,6 +855,8 @@ class SwigInputGenerator(object):
         # search the files to import
         usedSources = set()
         for alias in self.usedTypes:
+            if alias.rfind("Enums::") != -1:
+                alias = alias[:alias.rfind("Enums::")+5]
             if alias in self.typedefSource:
                 idxName = os.path.basename(self.typedefSource[alias])
                 iName = idxName[:-len(".idx")]

Author: thewtex

CMakeLists.txt

@@ -30,6 +30,9 @@ endif()
 if(NOT ITK_SOURCE_DIR)
   find_package(ITK REQUIRED)
   list(APPEND CMAKE_MODULE_PATH ${ITK_CMAKE_DIR})
+  # Patch igenerator for enum wrapping until ITK 5.1 RC 2 is released
+  file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/wrapping/igenerator.py DESTINATION
+    ${ITK_CMAKE_DIR}/../Wrapping/Generators/SwigInterface/)
   include(ITKModuleExternal)
 else()
   set(ITK_DIR ${CMAKE_BINARY_DIR})