_yaml: Add a 'from_dict' on Node to create new nodes from dicts

This new methods is here to replace the previous 'new_node_from_dict'
that will be moved to a private method.

Adapt all call sites to use the new 'from_dict' method.

2 files changed, 5 insertions, 1 deletions

diff --git a/src/buildstream/_yaml.pyx b/src/buildstream/_yaml.pyx
index 6420474eb..a142fdfcb 100644
--- a/src/buildstream/_yaml.pyx
+++ b/src/buildstream/_yaml.pyx
@@ -69,6 +69,10 @@ cdef class Node:
         self.line = line
         self.column = column
 
+    @classmethod
+    def from_dict(cls, dict value):
+        return new_node_from_dict(value)
+
     cdef bint _walk_find(self, Node target, list path) except *:
         raise NotImplementedError()
 
diff --git a/src/buildstream/element.py b/src/buildstream/element.py
index a4496e192..770f5df42 100644
--- a/src/buildstream/element.py
+++ b/src/buildstream/element.py
@@ -2633,7 +2633,7 @@ class Element(Plugin):
     @classmethod
     def __extract_sandbox_config(cls, project, meta):
         if meta.is_junction:
-            sandbox_config = _yaml.new_node_from_dict({
+            sandbox_config = _yaml.Node.from_dict({
                 'build-uid': 0,
                 'build-gid': 0
             })