code: def main(_):
      if FLAGS.gen_register_op:
          assert FLAGS.output.endswith(".cc")
          generated_code = gen_register_op(
              sys.modules[__name__], "_composite_"
          )
      else:
          assert FLAGS.output.endswith(".mlir")
          generated_code = tfr_gen_from_module(
              sys.modules[__name__], "_composite_"
          )
  
      dirname = os.path.dirname(FLAGS.output)
      if not os.path.exists(dirname):
          os.makedirs(dirname)
      with open(FLAGS.output, "w") as f:
          f.write(generated_code)
  
file_path: tensorflow/tensorflow/compiler/mlir/tfr/define_op_template.py
imports: import os
  import sys
  from absl import app
  from tensorflow.compiler.mlir.tfr.python.composite import Composite
  from tensorflow.compiler.mlir.tfr.python.op_reg_gen import gen_register_op
  from tensorflow.compiler.mlir.tfr.python.tfr_gen import tfr_gen_from_module
  from tensorflow.python.platform import flags
label_desc: Use image node_id 2 for calling a global function with example usage: main(_) without return types