remove the duplication codes

tools/train.py

@@ -42,27 +42,10 @@ from ppocr.utils.utility import initial_logger
 logger = initial_logger()
 from ppocr.data.reader_main import reader_main
 from ppocr.utils.save_load import init_model
-from ppocr.utils.character import CharacterOps
 from paddle.fluid.contrib.model_stat import summary
 
 
 def main():
-    config = program.load_config(FLAGS.config)
-    program.merge_config(FLAGS.opt)
-    logger.info(config)
-
-    # check if set use_gpu=True in paddlepaddle cpu version
-    use_gpu = config['Global']['use_gpu']
-    program.check_gpu(use_gpu)
-
-    alg = config['Global']['algorithm']
-    assert alg in ['EAST', 'DB', 'Rosetta', 'CRNN', 'STARNet', 'RARE']
-    if alg in ['Rosetta', 'CRNN', 'STARNet', 'RARE']:
-        config['Global']['char_ops'] = CharacterOps(config['Global'])
-
-    place = fluid.CUDAPlace(0) if use_gpu else fluid.CPUPlace()
-    startup_program = fluid.Program()
-    train_program = fluid.Program()
     train_build_outputs = program.build(
         config, train_program, startup_program, mode='train')
     train_loader = train_build_outputs[0]
@@ -109,7 +92,7 @@ def main():
         'fetch_name_list':eval_fetch_name_list,\
         'fetch_varname_list':eval_fetch_varname_list}
 
-    if alg in ['EAST', 'DB']:
+    if isContain_det:
         program.train_eval_det_run(config, exe, train_info_dict, eval_info_dict)
     else:
         program.train_eval_rec_run(config, exe, train_info_dict, eval_info_dict)
@@ -136,7 +119,6 @@ def test_reader():
 
 
 if __name__ == '__main__':
-    parser = program.ArgsParser()
-    FLAGS = parser.parse_args()
+    startup_program, train_program, place, config, isContain_det = program.preProcess()
     main()
 #     test_reader()