fix some problems

configs/rec/multi_language/generate_multi_language_configs.py

 import yaml
 from argparse import ArgumentParser, RawDescriptionHelpFormatter
+import os.path
 
 support_list = {
     'it':'italian', 'xi':'spanish', 'pu':'portuguese', 'ru':'russian', 'ar':'arabic',
@@ -8,6 +9,12 @@ support_list = {
     'te':'telugu', 'ka':'kannada', 'chinese_cht':'chinese tradition','hi':'hindi','mr':'marathi',
     'ne':'nepali',
 }
+assert(
+    os.path.isfile("./rec_multi_language_lite_train.yml")
+    ),"Loss basic configuration file rec_multi_language_lite_train.yml.\
+You can download it from \
+https://github.com/PaddlePaddle/PaddleOCR/tree/dygraph/configs/rec/multi_language/"
+ 
 global_config = yaml.load(open("./rec_multi_language_lite_train.yml", 'rb'), Loader=yaml.Loader)
 
 class ArgsParser(ArgumentParser):
@@ -17,18 +24,20 @@ class ArgsParser(ArgumentParser):
         self.add_argument(
             "-o", "--opt", nargs='+', help="set configuration options")
         self.add_argument(
-            "-t", "--type", nargs='+', help="set language type, support {}".format(support_list))
+            "-l", "--language", nargs='+', help="set language type, support {}".format(support_list))
+        self.add_argument(
+            "--train",type=str,help="you can use this command to change the train dataset default path")
         self.add_argument(
-            "--train",type=str,help="you can use this command to change the default path")
+            "--val",type=str,help="you can use this command to change the eval dataset default path")
         self.add_argument(
-            "--val",type=str,help="you can use this command to change the default path")
+            "--dict",type=str,help="you can use this command to change the dictionary default path")
         self.add_argument(
-            "--dict",type=str,help="you can use this command to change the default path")
+            "--dataset_root_path",type=str,help="you can use this command to change the dataset default root path")
 
     def parse_args(self, argv=None):
         args = super(ArgsParser, self).parse_args(argv)
         args.opt = self._parse_opt(args.opt)
-        args.type,args.config = self._set_language(args.type)
+        args.language = self._set_language(args.language)
         return args
 
     def _parse_opt(self, opts):
@@ -42,33 +51,26 @@ class ArgsParser(ArgumentParser):
         return config
 
     def _set_language(self, type):
-        config={
-            'Global':{'character_dict_path':None,'save_model_dir':None},
-            'Train':{'dataset':{'label_file_list':None}},
-            'Eval': {'dataset': {'label_file_list': None}},
-        }
-
         assert(type),"please use -t or --type to choose language type"
         assert(
                 type[0] in support_list.keys()
                ),"the sub_keys(-t or --type) can only be one of support list: \n{},\nbut get: {}, " \
                  "please check your running command".format(support_list, type)
-        config['Global']['character_dict_path'] = 'ppocr/utils/dict/{}_dict.txt'.format(type[0])
-        config['Global']['save_model_dir'] = './output/rec_{}_lite'.format(type[0])
-        config['Train']['dataset']['label_file_list'] = ["./train_data/{}_train.txt".format(type[0])]
-        config['Eval']['dataset']['label_file_list'] = ["./train_data/{}_val.txt".format(type[0])]
-        return type[0],config
+        global_config['Global']['character_dict_path'] = 'ppocr/utils/dict/{}_dict.txt'.format(type[0])
+        global_config['Global']['save_model_dir'] = './output/rec_{}_lite'.format(type[0])
+        global_config['Train']['dataset']['label_file_list'] = ["train_data/{}_train.txt".format(type[0])]
+        global_config['Eval']['dataset']['label_file_list'] = ["train_data/{}_val.txt".format(type[0])]
+        return type[0]
 
 
-def merge_config(global_config,new_config):
+def merge_config(config):
     """
     Merge config into global config.
     Args:
-        global_config: Source config
-        new_config (dict): Config to be merged.
+        config (dict): Config to be merged.
     Returns: global config
     """
-    for key, value in new_config.items():
+    for key, value in config.items():
         if "." not in key:
             if isinstance(value, dict) and key in global_config:
                 global_config[key].update(value)
@@ -78,8 +80,7 @@ def merge_config(global_config,new_config):
             sub_keys = key.split('.')
             assert (
                 sub_keys[0] in global_config
-            ), "the sub_keys can only be one of global_config: {}, but get: {}, " \
-               "please check your running command".format(
+            ), "the sub_keys can only be one of global_config: {}, but get: {}, please check your running command".format(
                 global_config.keys(), sub_keys[0])
             cur = global_config[sub_keys[0]]
             for idx, sub_key in enumerate(sub_keys[1:]):
@@ -87,22 +88,27 @@ def merge_config(global_config,new_config):
                     cur[sub_key] = value
                 else:
                     cur = cur[sub_key]
-    return global_config
 
 if __name__ == '__main__':
     FLAGS = ArgsParser().parse_args()
-    global_config = merge_config(global_config,FLAGS.opt)
-    global_config = merge_config(global_config, FLAGS.config)
+    merge_config(FLAGS.opt)
     if FLAGS.train:
         global_config['Train']['dataset']['label_file_list'] = [FLAGS.train]
     if FLAGS.val:
         global_config['Eval']['dataset']['label_file_list'] = [FLAGS.val]
     if FLAGS.dict:
         global_config['Global']['character_dict_path'] = FLAGS.dict
+    if FLAGS.dataset_root_path:
+        global_config['Eval']['dataset']['data_dir'] = FLAGS.dataset_root_path
+        global_config['Train']['dataset']['data_dir'] = FLAGS.dataset_root_path
 
-    print("train list path set to:{}".format(global_config['Train']['dataset']['label_file_list'][0]))
-    print("Eval list path set to :{}".format(global_config['Eval']['dataset']['label_file_list'][0]))
-    print("dict path set to      :{}".format(global_config['Global']['character_dict_path']))
-    with open('rec_{}_lite_train.yml'.format(FLAGS.type), 'w') as f:
+    save_file_path = 'rec_{}_lite_train.yml'.format(FLAGS.language)
+    if os.path.isfile(save_file_path):
+        os.remove(save_file_path)
+    with open(save_file_path, 'w') as f:
         yaml.dump(dict(global_config), f, default_flow_style=False, sort_keys=False)
-    print("config file set to    :configs/rec/multi_language/rec_{}_lite_train.yml".format(FLAGS.type))
+    print("Train list path set to   :{}".format(global_config['Train']['dataset']['label_file_list'][0]))
+    print("Eval list path set to    :{}".format(global_config['Eval']['dataset']['label_file_list'][0]))
+    print("Dataset root path set to :{}".format(global_config['Eval']['dataset']['data_dir']))
+    print("Dict path set to         :{}".format(global_config['Global']['character_dict_path']))
+    print("Config file set to       :configs/rec/multi_language/{}".format(save_file_path))

ppocr/utils/dict/german_dict.txt

+ 
 !
 "
+#
 $
 %
 &
@@ -83,45 +85,59 @@ w
 x
 y
 z
-¡
-¢
 £
-¤
-¥
-¦
 §
-¨
-©
-ª
-«
-¬
 ­
-®
-¯
 °
-±
-²
-³
 ´
 µ
-¶
 ·
-¸
-¹
 º
-»
-¼
-½
 ¿
-Â
-Ã
+Á
+Ä
 Å
-Ê
-Î
-Ð
+É
+Ï
+Ô
+Ö
+Ü
+ß
+à
 á
 â
+ã
+ä
 å
 æ
+ç
+è
 é
- 
+ê
+ë
+í
+ï
+ñ
+ò
+ó
+ô
+ö
+ø
+ù
+ú
+û
+ü
+ō
+Š
+Ÿ
+ʒ
+β
+δ
+з
+Ṡ
+‘
+€
+店
+旺
+潮
+酒