python 根据路径和类名动态加载类
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def get_plugin_by_name(self, package, clazz_name):
"""
package 类所在路径
clazz_name 类名
http://stackoverflow.com/questions/547829/how-to-dynamically-load-a-python-class
https://docs.python.org/2/library/functions.html?highlight=__import__#__import__
:param package:
:param clazz_name:
:return:
"""
try:
plugin_name = clazz_name.capitalize() + 'Plugin'
module = __import__(package + '.' + clazz_name, fromlist=)
claz = getattr(module, plugin_name)
return claz(region_id=self.get_current_region_id(),
access_key=self.aliyun_access_key)
except Exception as exp:
LOG.error("Get plugin: %s by package: %s error for %s" % (clazz_name, package, exp,))
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