fix: 增加数据库SQL相关操作

config.py

@@ -14,12 +14,11 @@ class ReConfigParser(ConfigParser):
     def optionxform(self, optionstr):
         return optionstr
 
-class CommonConfig(BaseSettings):
+# class CommonConfig(BaseSettings):
-    SECRET_KEY: str = os.urandom(32)
+#     SECRET_KEY: str = os.urandom(32)
-    PROJECT_NAME: str
+#     PROJECT_NAME: str
-    API_V1_STR: str
+#     API_V1_STR: str
-    # 允许访问的origins
+#     BACKEND_CORS_ORIGINS: str
-    BACKEND_CORS_ORIGINS: str
 
 
 class MySQLConfig(BaseSettings):
@@ -59,7 +58,6 @@ def init_config():
         else:
             config.read(os.path.join('.', 'conf', 'conf-dev.ini'), encoding='utf-8')
         # common_config = CommonConfig(**dict(config.items('common')))
-        common_config = CommonConfig(**dict(config.items('common')))
         mysql_config = MySQLConfig(**dict(config.items('mysql')))
         redis_config = RedisConfig(**dict(config.items('redis')))
         rabbitmq_config = RabbitmqConfig(**dict(config.items("rabbitmq")))

src/biz/__init__.py

@@ -0,0 +1,113 @@
+import logging
+import time
+from traceback import format_exc
+
+from fastapi_sqlalchemy import db
+from jinja2 import Template
+from pymysql import err
+
+__author__ = 'Woodstock'
+
+logger = logging.getLogger(__name__)
+
+class DB:
+    CACHE = None
+    ACCESS_TOKEN = None
+    IS_LOCAL_TEST = False
+
+    def __init__(self, session=None):
+        """
+        传入session时整个db对象使用同一session操作
+        """
+        self.session = session
+        self.result = None
+        self.rowcount = -1
+        self.lastrowid = -1
+
+    def execute(self, sql, **kwargs):
+        if "{" in sql:
+            sql_template = Template(sql)
+            temp_sql = sql_template.render(**kwargs)
+        else:
+            temp_sql = sql
+        temp_sql = "\n".join([l.strip() for l in temp_sql.split("\n")])
+
+        # 用于输出日志
+        log_string = "执行SQL: {}\n参数: {}".format(temp_sql.strip(), str(kwargs)[:400])
+        t = time.time()
+        try:
+            pars = dict(**kwargs)
+            self.result = self.session.execute(temp_sql, params=pars)
+        except (err.OperationalError, err.InternalError, err.InternalError) as e:
+            orig = e
+            if not isinstance(orig, err.InternalError):
+                orig = orig.orig
+            if orig.args[0] in [111, 1205, 1213, 2003, 2013]:
+                raise
+            if orig.args[0] == 1044:
+                logger.error("(pymysql.err.OperationalError) (1044, Access denied for {})".format(self.session.bind.url))
+                logger.error(format_exc())
+                raise
+            log_string += "\n执行结果:\n 执行失败了 ,错误信息:" + str(e)
+            logger.error(log_string)
+            raise
+        except Exception as e:
+            log_string += "\n执行结果:\n 执行失败了 ,错误信息:" + str(e)
+            logger.error(log_string)
+            raise
+        finally:
+            if not temp_sql.lower().startswith("select") and not temp_sql.lower().startswith('insert into `sysauditlogs`'): # 不记录查询语句
+                logger.info("{}\n耗时：{}".format(log_string, time.time() - t))
+        # 受影响行数
+        self.rowcount = self.result.rowcount
+        # 插入数据时返回的主键数据
+        self.lastrowid = self.result.lastrowid
+        logger.debug("执行结果:\n 受影响行数:%d" % self.rowcount)
+        return self
+
+    def all(self):
+        # 获取查询列表。把ResultProxy和RowProxy类型封装成python的list和dict类型
+        data = [ i._asdict() for i in self.result]
+        self.result.close()
+        return data
+
+    def scalars(self):
+        """
+        返回首个值的集合
+        :return:
+        """
+        data = set(i[0] for i in self.result)
+        self.result.close()
+        return data
+
+    def scalar_list(self):
+        """
+        获取首个值的列表
+        :return:
+        """
+        data = [i[0] for i in self.result]
+        self.result.close()
+        return data
+
+    def first(self):
+        row = None
+        # 获取第一行数据
+        for i in self.result:
+            row = i._asdict()
+            break
+        self.result.close()
+        return row
+
+    def scalar(self):
+        """获取第一行第一列的数据"""
+        one = None
+        for i in self.result:
+            one = i[0]
+            break
+        self.result.close()
+        return one
+
+
+def execute_sql(sql, **kwargs):
+    db_instance = DB(db.session)
+    return db_instance.execute(sql, **kwargs)