def IsFileRequired(self, filename):
    if filename not in self._file_mapping:
      return False
    mapping = self._file_mapping[filename]
    return mapping['required']
Get the installed version of a Node.js package.
dataset/ETHPy150Open google/transitfeed/transitfeed/gtfsfactory.py/GtfsFactory.IsFileRequired--crossover with--dataset/ETHPy150Open ronnix/fabtools/fabtools/nodejs.py/package_version