fix 部分api请求失败情况下，不会噶了

pywxdump/api/remote_server.py

@@ -203,7 +203,7 @@ def msg_count():
     db_config = get_conf(g.caf, my_wxid, "db_config")
     db = DBHandler(db_config)
     chat_count = db.get_msg_count(wxid)
-    chat_count1 = db.get_plc_msg_count(wxid)
+    chat_count1 = db.get_plc_msg_count(wxid) if db.PublicMsg_exist else {}
     # 合并两个字典，相同key，则将value相加
     count = {k: chat_count.get(k, 0) + chat_count1.get(k, 0) for k in
              list(set(list(chat_count.keys()) + list(chat_count1.keys())))}
@@ -234,7 +234,7 @@ def get_msgs():
 
     db = DBHandler(db_config)
     msgs, wxid_list = db.get_msg_list(wxid=wxid, start_index=start, page_size=limit)
-    if not msgs:
+    if not msgs and db.PublicMsg_exist:
         msgs, wxid_list = db.get_plc_msg_list(wxid=wxid, start_index=start, page_size=limit)
     wxid_list.append(my_wxid)
     user = db.get_user_list(wxids=wxid_list)

pywxdump/db/__init__.py

@@ -42,9 +42,6 @@ class DBHandler(MicroHandler, MediaHandler, OpenIMContactHandler, PublicMsgHandl
         if self.Micro_exist:  # 添加索引
             self.Micro_add_index()
 
-        # print(self.MSG_exist, self.Micro_exist, self.Media_exist, self.OpenIMContact_exist, self.PublicMsg_exist,
-        #       self.OpenIMMedia_exist, self.Favorite_exist)
-
     def get_user(self, word=None, wxids=None, labels=None):
         """
         获取联系人列表

pywxdump/db/dbMicro.py

@@ -59,6 +59,8 @@ class MicroHandler(DatabaseBase):
         :param id_is_key: id_is_key: True: id作为key，False: name作为key
         :return:
         """
+        if (self.table_exist.get("ContactLabel") is None) or (not self.table_exist.get("ContactLabel")):
+            return []
         sql = "SELECT LabelId, LabelName FROM ContactLabel ORDER BY LabelName ASC;"
         result = self.execute(sql)
         if not result:

pywxdump/db/dbbase.py

@@ -79,6 +79,7 @@ class DatabaseSingletonBase:
 
 class DatabaseBase(DatabaseSingletonBase):
     _class_name = "DatabaseBase"
+    table_exist = {}
 
     def __init__(self, db_config):
         """
@@ -134,6 +135,7 @@ class DatabaseBase(DatabaseSingletonBase):
                f"WHERE type='table' AND tbl_name in ({required_tables_str});")
         existing_tables = self.execute(sql)
         existing_tables = [row[0] for row in existing_tables]  # 将查询结果转换为列表
+        self.table_exist = {table: table in existing_tables for table in required_tables}
         # 检查所有必需的表是否都在现有表中
         return all(table in existing_tables for table in required_tables)