"" # If an exception occurs in debug mode or if context preservation is # activated under exception situations exactly one context stays # on the stack. The rationale is that you want to access that # information under debug situations. However if someone forgets to # pop that context again...
"""Mix-in class to handle each request in a new thread."""# Decides how threads will act upon termination of the# main processdaemon_threads =Falsedefprocess_request_thread(self, request, client_address):"""Same as in BaseServer but as a thread. In addition, exception handling is done ...
app.run() #如果需要开启多线程则app.run(threaded=True) _request_ctx_stack._local.ident_func()对应这get_ident()这个函数,返回当前线程id,为什么要在后面加上while True这句呢,我们看下get_ident()这个函数的说明: Return a non-zero integer that uniquely identifies the current thread amongst other thr...
创建RequestContext对象,在对象初始化的过程中调用app.create_url_adapter()方法,将请求参数environ传给Map对象创建MapAdapter对象,保存在url_adapter字段中 将RequestContext对象推入_request_ctx_stack栈中 通过RequestContext的match_request方法,调用MapAdapter对象的match方法找到匹配的Rule并解析出参数,保存在request的url...
In addition, exception handling is done here. """try: self.finish_request(request, client_address) self.shutdown_request(request)except: self.handle_error(request, client_address) self.shutdown_request(request)defprocess_request(self, request, client_address):"""Start a new thread to process ...
Flask.after_request handlers are now also invoked if the request dies with an exception and an error handling page kicks in. Test client has not the ability to preserve the request context for a little longer. This can also be used to trigger custom requests that do not pop the request s...
In addition, exception handling is done here. """ try: self.finish_request(request, client_address) self.shutdown_request(request) except: self.handle_error(request, client_address) self.shutdown_request(request) def process_request(self, request, client_address): ...
In addition, exception handling is done here. """ try: self.finish_request(request, client_address) self.shutdown_request(request) except: self.handle_error(request, client_address) self.shutdown_request(request) def process_request(self, request, client_address): ...
mls.stack.pop(a) print(mls.stack , a, '删除') for i in range(5): task = Thread(target=ts,args=(i,)) task.start() #堆栈 # 程序员 # 先进后出 后进先出 # 先进先出 后进后出 结果 2. app()# 1 2 3 from flask import Flask app = Flask(__name__) app.run() 这个app就是,...
Handlers registered on the blueprint take precedence over those registered globally on the application, assuming a blueprint is handling the request that raises the exception. However, the blueprint cannot handle 404 routing errors because the 404 occurs at the routing level before the blueprint can...