@property
  def pid(self):
    return self.process.pid if self.process else -1
Constructor. Use _PrepareFile() to get the file handle/size/checksum.
dataset/ETHPy150Open ucb-sts/sts/sts/entities/controllers.py/Controller.pid--crossover with--dataset/ETHPy150Open google/mysql-tools/trickle_file_runner.py/DbFileTrickler.__init__