first commit

ExceptionHandler.py

@@ -0,0 +1,65 @@
+import logging as logger
+
+class ExceptionHandler(object):
+    """异常处理器，可以自行实现错误的捕获、熔断、服务降级等"""
+
+    def __init__(self, decorator=None):
+        if not decorator:
+            return
+        # 使用自定义装饰器覆盖
+        self.decorator = decorator
+
+    def handle(self, e, *args, **kwargs):
+        """异常处理
+        :param e:
+        :param args: request args
+        :param kwargs: request kwargs
+        :return: tuple(content, status, headers)
+        :rtype: tuple
+        """
+        raise NotImplementedError
+
+    def decorator(self, func):
+
+
+        def wrapper(*args, **kwargs):
+            try:
+                return func(*args, **kwargs)
+            except Exception as e:
+                logger.debug("Exception handle")
+                return self.handle(e, *args, **kwargs)
+
+        return wrapper
+
+
+class InboundHandler(object):
+    """输入处理管道，可自定义一系列拦截器处理请求信息，如验证、鉴权、数据解码、参数包装等"""
+    #__metaclass__ = 'ABCMeta'
+    
+    def handle(self, request, *args, **kwargs):
+        """
+        :param dict request: 请求信息 (初始：url, parameters, data, method)，可根据需要添加
+        :return: (request, args, kwargs)
+        """
+        raise NotImplementedError
+
+    def __call__(self, request, *args, **kwargs):
+        return self.handle(request, *args, **kwargs)
+
+
+class OutboundHandler(object):
+    """输出处理管道，可自定义一系列拦截器处理返回信息，如返回码处理、数据编码等"""
+   # __metaclass__ = 'ABCMeta'
+
+    def handle(self, response, headers, status, content, *args, **kwargs):
+        """
+        :param requests.Response response: origin http response
+        :param dict headers: the response headers which will be responded
+        :param int status: the status code which will be responded
+        :param str content: the content which will be responded
+        :return: tuple(headers, status, content)
+        """
+        raise NotImplementedError
+
+    def __call__(self, response, headers, status, content, *args, **kwargs):
+        return self.handle(response, headers, status, content, *args, **kwargs)