make logs directory if not exists

Author: ju1115kr

main.py

@@ -1,5 +1,6 @@
 import logging
 import os
+import os.path
 import settings
 import data_manager
 from policy_learner import PolicyLearner
@@ -11,13 +12,17 @@
     # 로그 기록
     log_dir = os.path.join(settings.BASE_DIR, 'logs/%s' % stock_code)
     timestr = settings.get_time_str()
+    if not os.path.exists('logs'):
+        os.makedirs('logs')
+    if not os.path.exists('logs/%s' % stock_code):
+        os.makedirs('logs/%s' % stock_code)
     file_handler = logging.FileHandler(filename=os.path.join(
         log_dir, "%s_%s.log" % (stock_code, timestr)), encoding='utf-8')
     stream_handler = logging.StreamHandler()
     file_handler.setLevel(logging.DEBUG)
     stream_handler.setLevel(logging.INFO)
     logging.basicConfig(format="%(message)s",
-        handlers=[file_handler, stream_handler], level=logging.DEBUG)
+                        handlers=[file_handler, stream_handler], level=logging.DEBUG)
 
     # 주식 데이터 준비
     chart_data = data_manager.load_chart_data(