gh-125084: Resolve paths in generator common code (GH-125085)

In out of tree builds, the paths can contain `../ which needs to be
resolved for the relative path calculation to work.

diff --git a/Tools/cases_generator/generators_common.py b/Tools/cases_generator/generators_common.py
index f32a20b304c3548ed0e86b66b352fa6ea71019d1..0bfa1a3b56fbc2dc792c206bd561a59539d03652 100644 (file)
--- a/Tools/cases_generator/generators_common.py
+++ b/Tools/cases_generator/generators_common.py
@@ -43,13 +43,13 @@ class TokenIterator:
                 break
         return self.look_ahead
 
-ROOT = Path(__file__).parent.parent.parent
-DEFAULT_INPUT = (ROOT / "Python/bytecodes.c").absolute().as_posix()
+ROOT = Path(__file__).parent.parent.parent.resolve()
+DEFAULT_INPUT = (ROOT / "Python/bytecodes.c").as_posix()
 
 
 def root_relative_path(filename: str) -> str:
     try:
-        return Path(filename).absolute().relative_to(ROOT).as_posix()
+        return Path(filename).resolve().relative_to(ROOT).as_posix()
     except ValueError:
         # Not relative to root, just return original path.
         return filename