def AddOrGetFileInRootGroup(self, path):

    (group, hierarchical) = self.RootGroupForPath(path)
    return group.AddOrGetFileByPath(path, hierarchical)
Returns a PBXFileReference corresponding to path in the correct group
dataset/ETHPy150Open adblockplus/gyp/pylib/gyp/xcodeproj_file.py/PBXProject.AddOrGetFileInRootGroup