code: def _GetDeps(self, dependencies):
      
  
      for dependency in dependencies:
        dep_desc = self.FindFileByName(dependency)
        yield dep_desc
        for parent_dep in dep_desc.dependencies:
          yield parent_dep
docs: Recursively finds dependencies for file protos.
  
      Args:
        dependencies: The names of the files being depended on.
  
      Yields:
        Each direct and indirect dependency.