_loader/loadelement.pyx: Added `path` property

This helps simplify the following Element.configure_dependencies()
implementing patch.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/buildstream/_loader/loadelement.pyx b/src/buildstream/_loader/loadelement.pyx
index c7d6ec88d..858334c7d 100644
--- a/src/buildstream/_loader/loadelement.pyx
+++ b/src/buildstream/_loader/loadelement.pyx
@@ -92,6 +92,17 @@ cdef class Dependency:
     def provenance(self):
         return self._node.get_provenance()
 
+    # path
+    #
+    # The path of the dependency represented as a single string,
+    # instead of junction and name being separate.
+    #
+    @property
+    def path(self):
+        if self.junction is not None:
+            return "{}:{}".format(self.junction, self.name)
+        return self.name
+
     # set_element()
     #
     # Sets the resolved LoadElement