Add indexer_utils

indexer_utils.py

+INDEX_COM_FILE = 'ready.index'
+MODEL_COM_FILE = 'ready.model'
+
+
+def set_index_com_file_not_ready():
+    with open(INDEX_COM_FILE, 'w') as com_file:
+        com_file.write('0')
+
+
+def set_index_com_file_ready():
+    with open(INDEX_COM_FILE, 'w') as com_file:
+        com_file.write('1')
+
+
+def check_index_com_file_ready():
+    if not os.path.exists(INDEX_COM_FILE):
+        set_index_com_file_not_ready()
+
+    with open(INDEX_COM_FILE, 'r') as com_file:
+        return bool(com_file.readline())
+
+
+def set_model_com_file_not_ready():
+    with open(MODEL_COM_FILE, 'w') as com_file:
+        com_file.write('0')
+
+
+def set_model_com_file_ready():
+    with open(MODEL_COM_FILE, 'w') as com_file:
+        com_file.write('1')
+
+
+def check_model_com_file_ready():
+    if not os.path.exists(MODEL_COM_FILE):
+        set_index_com_file_not_ready()
+
+    with open(MODEL_COM_FILE, 'r') as com_file:
+        return bool(com_file.readline())
+