diff options
| -rw-r--r-- | buildstream/plugin.py | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/buildstream/plugin.py b/buildstream/plugin.py index 307aefa69..fbcf249bb 100644 --- a/buildstream/plugin.py +++ b/buildstream/plugin.py @@ -167,7 +167,7 @@ class Plugin(): # scheduling tasks. __TABLE = WeakValueDictionary() - def __init__(self, name, context, project, provenance, type_tag): + def __init__(self, name, context, project, provenance, type_tag, unique_id=None): self.name = name """The plugin name @@ -188,10 +188,14 @@ class Plugin(): # to give us a topological sort over all elements. # Modifying how we handle ids here will modify the behavior of the # Element's state handling. - self._unique_id = next(self.__id_generator) - - # register ourself in the table containing all existing plugins - self.__TABLE[self._unique_id] = self + if unique_id is None: + # Register ourself in the table containing all existing plugins + self._unique_id = next(self.__id_generator) + self.__TABLE[self._unique_id] = self + else: + # If the unique ID is passed in the constructor, then it is a cloned + # plugin in a subprocess and should use the same ID. + self._unique_id = unique_id self.__context = context # The Context object self.__project = project # The Project object |