def _check_duplicate_db(self):
'''
检查是否有数据库出现重名现象，如果没有，则再检查该数据库是否注册，若没有则直接注册
仅在数据库对象初始化时检查
存储文件的格式为{db_name: main_path}
Parameter
---------
result: boolean
True表示没有重复，False表示重复
'''
metadata_path = parse_config(CONFIG_PATH)['database_metadata_path']
metadata_path = os_path.join(metadata_path, '$metadata.json')
if not os_path.exists(metadata_path): # 存储所有数据库信息的文件不存在，则创建，然后存储
if not os_path.exists(os_path.dirname(metadata_path)):
makedirs(os_path.dirname(metadata_path))
metadata = {self._db_name: self._main_path}
with open(metadata_path, 'w', encoding=ENCODING) as f:
json.dump(metadata, f)
return True
with open(metadata_path, 'r', encoding=ENCODING) as f:
metadata = json.load(f)
if self._db_name not in metadata: # 当前数据库未注册
metadata[self._db_name] = self._main_path
with open(metadata_path, 'w', encoding=ENCODING) as f:
json.dump(metadata, f)
else:
if metadata[self._db_name] != self._main_path:
return False
return True
def set_db_logger():
'''
设置主数据库的日志
Return
------
logger_name: string
logger的名称，若没有启用日志，则返回None
'''
logger_config = qrtutils.parse_config(CONFIG_PATH)['log']
logger_config['name'] = MODULE_NAME
# 相对路径转绝对路径
path = logger_config['log_path']
if path.startswith(REL_PATH_HEADER):
logger_config['log_path'] = qrtutils.relpath2abs(MODULE_PATH, path)
return set_logger(logger_config)
def submodule_initialization(db_name, path, submod_depth=1):
'''
对子模块根据配置进行初始化设置
Parameter
---------
db_name: string
数据库子模块名称，必须与配置文件对应
path: string
调用模块所在文件夹的路径，通常为dirname(__file__)，用于将相对路径转化为绝对路径，
此处假设子模块文件夹的母文件夹为主模块文件夹
submod_depth: int, default 1
子模块在模块文件夹的深度(在获取主模块文件夹路径时使用)
例如: 主模块文件夹为c:/main_module，子模块文件夹为c:/main_module/sub_module
则此时submod_depth=1，以此类推
Return
------
db_config: dict
数据库子模块的配置
'''
config = qrtutils.parse_config(CONFIG_PATH)
db_config = config[db_name]
path = qrtutils.trans_config_sep(path)
if not db_config['log']['enable_log']: # 当前未启用单独记录日志，使用系统日志设置
db_config['log'] = config['log']
# 添加当前日志名
db_config['log']['name'] = MODULE_NAME
log_path = db_config['log']['log_path']
if log_path.startswith(REL_PATH_HEADER): # 相对路径转绝对路径
module_path = sep.join(path.split(sep)[:-submod_depth])
log_path = qrtutils.relpath2abs(module_path, log_path)
else:
db_config['log']['name'] = MODULE_NAME + '.' + db_name
log_path = db_config['log']['log_path']
if log_path.startswith(REL_PATH_HEADER):
log_path = qrtutils.relpath2abs(path, log_path)
db_config['log']['log_path'] = log_path
return db_config
#!/usr/bin/env python # -*- coding:utf-8 """ Author: Hao Li Email: [email protected] Github: https://github.com/SAmmer0 Created: 2018-05-31 15:38 """ from os.path import dirname, join from qrtutils import set_logger, parse_config CONFIG = parse_config(join(dirname(__file__), 'config.json')) MAIN_LOGGER_NAME = set_logger(CONFIG['log'], dirname(__file__), 'DATA_SOURCE_MAIN_LOGGER')
from os.path import join, dirname
from qrtutils import parse_config, trans_config_sep
from qrtconst import Frequency, REL_PATH_HEADER, REL_PATH_HEADER_LEN
from tdtools.utils import set_logger
# 周期标记
class TargetSign(enum.Enum):
LAST = enum.auto()
FIRST = enum.auto()
# 模块文件夹
MODULE_PATH = dirname(__file__)
# 配置文件路径，可为相对路径和绝对路径，路径格式为./config.json或者C:\\Users\\default\\config.json
CONFIG_PATH = './config.json'
# 将路径分隔符转换为系统分隔符，并将相对路径转换为绝对路径
CONFIG_PATH = trans_config_sep(CONFIG_PATH)
if CONFIG_PATH.startswith(REL_PATH_HEADER):
CONFIG_PATH = join(MODULE_PATH, CONFIG_PATH[REL_PATH_HEADER_LEN:])
# 加载配置文件
CONFIG = parse_config(CONFIG_PATH)
# 设置日志
LOGGER_NAME = set_logger(CONFIG['log'], MODULE_PATH)
# 交易所开市收市时间设置
TRADING_TIME = {'stock.sse': (('09:30', '11:30'), ('13:00', '15:00'))}