vnpy/vn.trader/gateway/__init__.py

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# encoding: UTF-8
'''
动态载入所有的Gateway
'''
import os
import importlib
import traceback
# 用来保存Gateway类的字典
GATEWAY_DICT = {}
# 获取目录路径
path = os.path.abspath(os.path.dirname(__file__))
# 遍历strategy目录下的文件
for root, subdirs, files in os.walk(path):
if path != root:
continue
for foldername in subdirs:
# 接口目录名中必须含有Gateway
if 'Gateway' in foldername:
# 模块名称需要上前缀
moduleName = 'gateway.' + foldername
try:
# 使用importlib动态载入模块并保存到字典中
module = importlib.import_module(moduleName)
GATEWAY_DICT[module.gatewayName] = module
except:
traceback.print_exc()