Code update

etils/epath/resource_utils.py

@@ -64,6 +64,16 @@ def __eq__(self, other) -> bool:
   def __hash__(self) -> int:
     return hash((self.root, self.at))  # pytype: disable=attribute-error
 
+  def resolve(self, strict: bool = False) -> 'ResourcePath':
+    """Returns the absolute path."""
+    if strict and not self.exists():
+      raise FileNotFoundError(f'{self} not found.')
+    return self
+
+  def absolute(self) -> 'ResourcePath':
+    """Returns the absolute path."""
+    return self.resolve()
+
   if sys.version_info < (3, 10):
     # Required due to: https://bugs.python.org/issue42043
     def _next(self, at) -> 'ResourcePath':  # pylint: disable=g-wrong-blank-lines

etils/epath/resource_utils_test.py

@@ -62,5 +62,19 @@ def test_resource_path():
   path = epath.Path(path)
   assert isinstance(path, epath.resource_utils.ResourcePath)
 
-  assert path.joinpath() == path
   assert path.joinpath('abc', 'def.txt').name == 'def.txt'
+
+
+def test_resource_resolve():
+  path = epath.g3_path()
+  # This should not raise AttributeError
+  resolved = path.resolve()
+  assert resolved == path
+  assert resolved.resolve() == resolved
+
+
+def test_resource_path_resolve():
+  path = epath.resource_utils.ResourcePath(_make_zip_file())
+  # This would have failed before the fix
+  resolved = path.resolve()
+  assert resolved == path