def reflect_request_with_database_callback(database: PySQLPool,
do_action: object, *args):
"""
用于数据库连接池自释放，提供一个可供用户使用的数据库连接和回调函数
@Args:
* [database] 用于访问的数据库
* [do_action] 回调函数, 函数结构为callback(conn, [args]), 如果不需要附加参数，那么回调函数只为callback(conn)
* [args] 用户需要添加的参数
"""
if not isinstance(database, PySQLPool):
raise Exceptions.NoAvailableResourcesFoundException(
"database is not available")
conn = None
try:
# get connection from pool
conn = database.get_connection()
# check the connection status
if not PySQLConnection.check_connection(conn):
PySQLConnection.reconnect(conn)
# send database connection to callback function
if args is None:
return do_action(conn)
else:
return do_action(conn, args)
finally:
if conn:
database.put_connection(conn)
def parsing_reg_file(self, rule_file: str, args: dict):
"""
Parse the configuration file, and then verify the validity of the input parameters
@Args:
* [ruleFile] str, path of file
* [args] dict, data contained with key and value
@Returns:
* [dict(str:obj)] dict type
"""
if not FileUtils.exists(rule_file):
raise Exceptions.NoAvailableResourcesFoundException(
"file: {} not found".format(rule_file))
# parse the file
for line in open(rule_file, "rt"):
# trim tailor
line = self.trim_tailer_from_text(line)
# split token from spaces
seps = line.split(' ')
# check size
if len(seps) != 3:
raise Exceptions.InvalidArithException(
"regular line: {} is broken, [argument key] [mapping key] ["
"regular expression]".format(line))
# append regular token to list
self.tokens.append(
RegularToken(seps[0], seps[1], R"{}".format(seps[2])))
# After parsing the file, first extract the dictionary consisting of {old key-regular match} from the file,
# and then perform regular filtering on the parameters
filtered_args = self.use_args_regular_check(args)
return filtered_args