fix code style

core/trainer.py

@@ -62,7 +62,8 @@ class Trainer(object):
             traceback.print_exc()
             print('Catch Exception:%s' % str(err))
             sys.stdout.flush()
-            self._context['is_exit'] = self.handle_processor_exception(status, context, err)
+            self._context['is_exit'] = self.handle_processor_exception(
+                status, context, err)
 
     def other_status_processor(self, context):
         """
@@ -83,7 +84,6 @@ class Trainer(object):
                 % (context['status'], str(exception)))
         return True
 
-
     def reload_train_context(self):
         """
         context maybe update timely, reload for update

core/utils/dataset_holder.py

@@ -66,7 +66,6 @@ class TimeSplitDatasetHolder(DatasetHolder):
     """
     Dataset with time split dir.  root_path/$DAY/$HOUR
     """
-
     def __init__(self, config):
         """
         init data root_path, time_split_interval, data_path_format
@@ -113,8 +112,8 @@ class TimeSplitDatasetHolder(DatasetHolder):
             True/False
         """
         is_ready = True
-        data_time, windows_mins = self._format_data_time(daytime_str,
-                                                         time_window_mins)
+        data_time, windows_mins = self._format_data_time(
+            daytime_str, time_window_mins)
         while time_window_mins > 0:
             file_path = self._path_generator.generate_path(
                 'donefile_path', {'time_format': data_time})
@@ -142,18 +141,19 @@ class TimeSplitDatasetHolder(DatasetHolder):
             list, data_shard[node_idx]
         """
         data_file_list = []
-        data_time, windows_mins = self._format_data_time(daytime_str,
-                                                         time_window_mins)
+        data_time, windows_mins = self._format_data_time(
+            daytime_str, time_window_mins)
         while time_window_mins > 0:
             file_path = self._path_generator.generate_path(
                 'data_path', {'time_format': data_time})
             sub_file_list = self._data_file_handler.ls(file_path)
             for sub_file in sub_file_list:
                 sub_file_name = self._data_file_handler.get_file_name(sub_file)
-                if not sub_file_name.startswith(self._config[
-                        'filename_prefix']):
+                if not sub_file_name.startswith(
+                        self._config['filename_prefix']):
                     continue
-                postfix= sub_file_name.split(self._config['filename_prefix'])[1]
+                postfix = sub_file_name.split(
+                    self._config['filename_prefix'])[1]
                 if postfix.isdigit():
                     if int(postfix) % node_num == node_idx:
                         data_file_list.append(sub_file)
@@ -167,8 +167,8 @@ class TimeSplitDatasetHolder(DatasetHolder):
 
     def _alloc_dataset(self, file_list):
         """ """
-        dataset = fluid.DatasetFactory().create_dataset(self._config[
-            'dataset_type'])
+        dataset = fluid.DatasetFactory().create_dataset(
+            self._config['dataset_type'])
         dataset.set_batch_size(self._config['batch_size'])
         dataset.set_thread(self._config['load_thread'])
         dataset.set_hdfs_config(self._config['fs_name'],
@@ -207,8 +207,8 @@ class TimeSplitDatasetHolder(DatasetHolder):
                                                params['node_num'],
                                                params['node_idx'])
                 self._datasets[begin_time] = self._alloc_dataset(file_list)
-                self._datasets[begin_time].preload_into_memory(self._config[
-                    'preload_thread'])
+                self._datasets[begin_time].preload_into_memory(
+                    self._config['preload_thread'])
                 return True
         return False
 

core/utils/envs.py

@@ -70,8 +70,8 @@ def set_global_envs(envs):
                 nests = copy.deepcopy(namespace_nests)
                 nests.append(k)
                 fatten_env_namespace(nests, v)
-            elif (k == "dataset" or k == "phase" or
-                  k == "runner") and isinstance(v, list):
+            elif (k == "dataset" or k == "phase"
+                  or k == "runner") and isinstance(v, list):
                 for i in v:
                     if i.get("name") is None:
                         raise ValueError("name must be in dataset list ", v)
@@ -169,8 +169,8 @@ def pretty_print_envs(envs, header=None):
 
 def lazy_instance_by_package(package, class_name):
     try:
-        model_package = __import__(package,
-                               globals(), locals(), package.split("."))
+        model_package = __import__(package, globals(), locals(),
+                                   package.split("."))
         instance = getattr(model_package, class_name)
         return instance
     except Exception, err:
@@ -179,15 +179,14 @@ def lazy_instance_by_package(package, class_name):
         return None
 
 
-
 def lazy_instance_by_fliename(abs, class_name):
     try:
         dirname = os.path.dirname(abs)
         sys.path.append(dirname)
         package = os.path.splitext(os.path.basename(abs))[0]
 
-        model_package = __import__(package,
-                               globals(), locals(), package.split("."))
+        model_package = __import__(package, globals(), locals(),
+                                   package.split("."))
         instance = getattr(model_package, class_name)
         return instance
     except Exception, err:

core/utils/util.py

@@ -101,6 +101,7 @@ def make_datetime(date_str, fmt=None):
             return datetime.datetime.strptime(date_str, '%Y%m%d%H%M')
     return datetime.datetime.strptime(date_str, fmt)
 
+
 def wroker_numric_opt(fleet, value, env, opt):
     """
     numric count opt for workers
@@ -116,6 +117,7 @@ def wroker_numric_opt(fleet, value, env, opt):
     fleet._role_maker.all_reduce_worker(local_value, global_value, opt)
     return global_value[0]
 
+
 def worker_numric_sum(fleet, value, env="mpi"):
     """R
     """
@@ -139,6 +141,7 @@ def worker_numric_max(fleet, value, env="mpi"):
     """
     return wroker_numric_opt(fleet, value, env, "max")
 
+
 def print_log(log_str, params):
     """R
     """
@@ -153,6 +156,7 @@ def print_log(log_str, params):
     if 'stdout' in params:
         params['stdout'] += log_str + '\n'
 
+
 def rank0_print(log_str, fleet):
     """R
     """
@@ -171,7 +175,6 @@ class CostPrinter(object):
     """
     For count cost time && print cost log
     """
-
     def __init__(self, callback, callback_params):
         """R
         """
@@ -207,7 +210,6 @@ class PathGenerator(object):
     """
     generate path with template & runtime variables
     """
-
     def __init__(self, config):
         """R
         """
@@ -228,8 +230,8 @@ class PathGenerator(object):
         """
         if template_name in self._templates:
             if 'time_format' in param:
-                str = param['time_format'].strftime(self._templates[
-                    template_name])
+                str = param['time_format'].strftime(
+                    self._templates[template_name])
                 return str.format(**param)
             return self._templates[template_name].format(**param)
         else: