Urllib2 request timeout. I'm using urllib2 to load files from ftp- and http-servers.

Urllib2 request timeout Original file line number Diff line number Diff line change; Expand Up @@ -6,7 +6,6 @@ from urllib2 import urlopen, Request: import time: import plugins urllib2 1 Python2. socket urllib. 1 它打开URL网址，url参数可以是一个字符串url或者是一个Request对象。可选的参数timeout，阻塞操作以秒为单位，如尝试连接（如果没 有指定，将使用设置的全局默 Python-urllib2模块请求超时的底层实现，前言最近，笔者在使用Python2. So, the solution is pass the retries argument on the request method, MAX_RETRIES=3 response = http. 文章浏览阅读1. 7 under Ubuntu 12. urlopen() since i am using the data parameter of request. request は URLs (Uniform Resource Locators) を取得するための Python モジュールです。 このモジュールはとても簡単なインターフェースを urlopen 関数の形式で提供しています。 また、このモジュールは一般的な状況で利用するためにいくらか複雑なインターフェースも提供しています - basic 認証や New plugin "TheWeather"New rebuild of my weather plugin for Enigma2 IPK or DEB installation. In Python 3, httplib was refactored into http. requestPython2: >>> import urllib2>>> response=urllib2. Thanks for any advice. Red ° temp go's up 1°C/hWhite ° temp stay's evenBlue Python 标准库中有很多实用的工具类，但是在具体使用时，标准库文档上对使用细节描述的并不清楚，比如 urllib2 这个 HTTP 客户端库。这里总结了一些 urllib2 库的使用细节。1 Proxy 的设置 2 Timeout 设置 3 在 HTTP Request 中加入特定的 Header 4 Redi urllib2 是Python自带的标准模块， 用来发送HTTP Request的。类似于 . So, I fixed that. class httplib. Trying to find what is the default timeout in urllib. Currently HTTP requests are the only ones that use data; the HTTP The Nuts and Bolts of HTTP Messages. 5), which may The urllib2 module defines functions and classes which help in opening URLs (mostly HTTP) in a complex world — basic and digest authentication, redirections, cookies and more. request (method, url, *, body = None, fields = None, headers = None, preload_content = True, decode_content = True, redirect = True, retries = None, timeout = 3, json = None) ¶ A convenience, top-level request method. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog I just want to send the request but don't want to waste time waiting for the responses. org To contact the owner, e-mail: opensuse-factory+owner@opensuse. request('GET', url, retries=MAX_RETRIES) Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Headers¶. HTTPResponse对象。. Note: Currently urllib2 does not support fetching of https locations through a proxy. add_header(key,val) key是报头名，val是包头值，两个参数都是字符串 首先导入 urllib. The same interface uses Postman only takes 200 milliseconds ~ It was later discovered that all the nails APIoapi. By default the socket module has no timeout and can hang. Unfortunately my code base has been running on Python 2. 7, and I can't install external modules. However the implementation is flawed: the 'timeout' attribute is set in OpenerDirector. timeout=10) but then what about the repeated call if this fails? python; http; urllib2; Share. 1 urllib2. urlopen(request) 对有些 header 要特别留意，Server 端会针对这些 header 做检查 python urllib2 默认超时时间设置，#Pythonurllib2默认超时时间设置##介绍在进行网络请求时，超时是一个很重要的问题。超时时间设置过短可能导致请求不完整或失败，而设置过长可能会导致等待时间过长，影响用户体验。Python中的urllib2库是一个常用的网络请求库，本文将介绍如何在urllib2中设置默认的 I use urllib2 from Python’s standard library, in quite a few projects. When you include urlencoded data in urllib2. comIt is libqt5-qtbase-platformtheme-gtk2 -- To unsubscribe, e-mail: opensuse-factory+unsubscribe@opensuse. Installing an opener is only necessary if you want Here are some notes I gathered on urllib when I was studying python-3: I kept them in case they might come in handy or help someone else out. Changing time parameters with urllib. 5. urlopen和urllib. For example: You can return a fixed number of fraction seconds, How to send a repeat request in urllib2. Turns out the problem was the method was set inappropriately. urlopen will hang forever despite of timeout. Modified 8 years, 3 months ago. Response time for urllib in python. Contribute to Vespa314/bilibili-api development by creating an account on GitHub. Request() urllib和urllib2模块之间的区别. 04. request for issuing requests. I checked the , 'year' : 2012, 'tolerance' : 0 } # setup socket connection timeout timeout = 15 socket. 背景在使用urllib. I have the below code, which is supposed to find an element within an element req = urllib2. If I set it too low, every request (urlopen) times out, but if I set it high, every 'urllib2' has introduced a configurable 'timeout' setting by assigning to the 'timeout' attribute of the urllib2. g. python编程快速上手（持续更新中） python爬虫从入门到精通 urllib2概述. urlopen()函数不支持验证、cookie或者其它HTTP高级功能。 要支持这些功能，必须使用build_opener()函数创建自定义Opener对象。import urllib2opener=build_opener([handler1 [ handler2, ]])参数handler是Handler实例，常用的有HTTPBasicAuthHandler、HTT_build opener 60 Python code examples are found related to "load url". 7) to do HTTP requests with 3 requirements: timeout (for reliability) content maximum size (for security) connection pooling (for performance) I've checked quite Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Timing out urllib2 urlopen operation in Python 2. urllib. 4使用urllib2模块使用数据和标头发出基本HTTP请求。由于一些原因，我不能使用IronPython 2. It uses a module-global PoolManager instance. 3. London guy London guy. in this case, your urllib2 request would timeout after 30 secs and throw a socket exception. It explains well that currently timeout is a very obscure concept. I have tried to use urllib2. 3, but I'm still trying. URLErrors 即可。以下是最后一个脚本挂起12小时后的错误输出示例： Python is an interpreted, interactive, object-oriented programming language that combines remarkable power with very clear syntax. request(). 8. In your case, name resolution is a pre-process before http connection, but timeout only works for http(s) and ftp connection. Hot Network Questions Difficult inverse The urllib2 module defines functions and classes which help in opening URLs (mostly HTTP) in a complex world — basic and digest authentication, redirections, cookies and more. urllib2. 9k次。urllib2. I must admit above recipe didn't work right away for Jython 2. I have a try/except code. GB - DE - NL - FR - RU - IT - UA - AR - EL - PLAdditional languages can be made on request and collaboration. 4 . client which you learned about in Part 1, and The urllib2 module defines the following functions:. urlopen(url) latest_build_info = rest_api. 5 and 2. urlopen(req, timeout=5) except urllib2. URLError: print "Bad Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Note that None may be returned if no handler handles the request (though the default installed global OpenerDirector uses UnknownHandler to ensure this never happens). Some websites 2 dislike being browsed by programs, or send different versions to different browsers 3. The API is mostly the same, but with some minor improvements: Separate classes for Request and Response objects; Supports custom HTTP handlers; Timeout support; Access to low-level socket object; Here's an example HTTP GET request with urllib: The urllib2 module defines the following functions:. Create a Conection TimeOut using urllib2. 2 python urllib2 timeout. Python Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The urllib2 module defines the following functions:. SIGALRM, timeout_catcher) def safe_read(url, timeout_time): signal. nonadmin files. request=urllib2. open() (btw: mechanize does this), then the 'timeout' attribute will never be set, breaking Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company My problem is very simple. Anyway, Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Drop-in HTTP client: gurllib2 ¶ This module has all the same members as the standard urllib2 library, except that a few have been overridden with alternatives that use SuPPort for logging and connection management. URLError: urllib2. How to import urllib. Then Python 3 happened. 7). For an introduction to programming in Python you. This is capable of fetching URLs using a variety of different protocols. This can be useful in applications which have to fetch web pages. Change or create a timeout with urllib request. When you create tje connection with urllib2. urllib exception I checked urllib2 and it won't set the source address (at least not on Python 2. By default urllib2 identifies itself as Python-urllib/x. timeout Number | Array - Request timeout in milliseconds for connecting phase and response receiving phase. Default is 5000. Request2. 接手一个脚本，经常挂起不动，发现时抓取图片的时候网络超时没有处理引起的。一、设置urllib的超时时间 [code="java"] # 设置超时时间为30秒 import socket socket. The web service is using SOAP API 1. 23 setting the timeout on a urllib2. get方法发送GET请求，并通过timeout参数设置请求的超时时间为10秒。 1xx:信息 100 Continue 服务器仅接收到部分请求，但是一旦服务器并没有拒绝该请求，客户端应该继续发送其余的请求。 101 Switching Protocols 服务器转换协议：服务器将遵从客户的请求转换到另外一种协议。 2xx:成功 200 OK 请求成功（其后是对GET和POST请求的应答文档） 201 Created 请求被创建完成，同时新的 urllib2 モジュールでは以下の関数を定義しています: urllib2. URL url を開きます。 url は文字列でも Request オブジェクトでもかまいません。 data はサーバに送信する追加のデータを示す文字列か、そのようなデータが無ければ None を Ten en cuenta que a veces se requieren otras codificaciones (por ejemplo, para la carga de archivos desde formularios HTML - ver HTML Specification, Form Submission para más detalles). The optional timeout parameter specifies a timeout in seconds for blocking operations like the connection attempt (if not specified, the global default timeout setting will be I'm trying to understand the intended behavior of urllib2 when it comes to the timeout setting. request. urlopen(' http://www. I'm using Django 2, Python 3. urllib3. request reaches timeout, a urllib2. 6. retry. urlOpen() 1. dingtalk. In python, how would I go about making a http request but not waiting for a response. Request(uri) request. 1) Apple setting the timeout on a urllib2. 在python中，urllib和urllib2不可相互替代的。 整体来说，urllib2是urllib的增强，但是urllib中有urllib2中所没有的函数。 As of Python 2. Currently HTTP requests are the only ones that use data; the HTTP request headers Object - Request headers. read() latest_build_info = latest_build_info. urllib2 is a Python module for fetching URLs (Uniform Resource Locators). setting the timeout on a urllib2. . client or urllib. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 可选的timeout参数指定阻止诸如连接尝试（如果未指定，将使用全局默认超时设置）等操作的超时（以秒为单位）。这实际上只适用于HTTP，HTTPS和FTP连接。 class urllib2. urlopen (url[, data[, timeout[, cafile[, capath[, cadefault[, context]]]]]) ¶ Open the URL url, which can be either a string or a Request object. 3开始，您可以指定套接字在超时之前应等待响应的时间。这在必须获取网页的应用程序中非常有用。 Thread View. urlopen ()创建 tje 连接时，您可以提供超时参数。 如文档中所述： 可选的 timeout 参数以秒为单位指定连接尝试等阻塞操作的超时时间（如果未指定，将使用全局默认超时设置）。 New subject: [obs-tests] Jenkins build is back to normal : obs_osc_testsuite_master #300 python * urllib_urlopen( ) Python urllib 库提供了一个从指定的 URL 地址获取网页数据，然后对其进行分析处理，获取想要的数据。 一、urllib模块urlopen()函数： urlopen(url, data=None, timeout, proxies=None,context=None) 创建一个表示远程url的类文件对象，然后像本地文件一样操作这个 【Python】有哪个库处理和解析 url urllib 有urlencode,urllib2没有 所以python2中两者通常一起使用。 在Python3中包urllib2归入了urllib中，所以要导入urllib. 2 Timeout 设置 3 在 HTTP Request 中加入特定的 Header import urllib2 request = urllib2. In Python 3, urllib2 was split into several modules like urllib. However, this can be enabled by extending urllib2 as shown in this recipe. urlopen the method should be set to POST and when you exclude it, method should be GET. As of Python 2. 4 platforms. I've been using requests a lot recently and realized that the timeout you set in both mechanize and requests are "NOT a time limit on the entire response download", which means if the connection is really slow and there are still data transferring, it will not timeout, which could hang the connection for quite a long time. urlopen(url, data=None, [timeout, ]*, cafile=None, capath=None, cadefault=False, context=None) The optional timeout parameter specifies a timeout in seconds for blocking operations like the connection attempt (if not specified, the global default timeout setting will be used). Move curling to a helper The following are 30 code examples of urllib2. To obtain a consistent behavior of timeout, I guess the best way is to use First of all, this is for a Gira Homeserver, which is a home automation server. What is the pythonic way to retry establishing a connection? Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. I do not use urllib2. (#14325, #14382) Bug fixes# Do not retry solves twice in failed conda env runs. org Date: Sun Feb 11 18:23:35 2018 -0800. Hot Network Questions If someone buys a ticket for me, can they check if I am actually on the flight? Although there already is an answer, I'd like to point out that URLlib2 might not be the sole responsible with this behavior. Before the high-level overview, a quick note on I try to perform a simple POST-request with urllib2. Coroutines ensure that the developer uses a blocking style of programming that is similar to threading, but Thread View. Python urllib2 does not respect timeout. Request(). urllib2 timeout. setdefaulttimeout(timeout) # setup cookie handler cookie_jar = cookielib. (this was added in Python 2. Add new plugin hooks (conda_session_headers and conda_request_headers) to add headers to outgoing HTTP requests. add_data(data) 如果请求是HTTP，则方法改为POST。注意该方法不会将data追加到之前已经设置的任何数据上，而是使用现在的data替换之前的 request. The problem is, that urllib2 does not close the connection instantly. Th 我无法将数据发送到网站并在Python中获得响应。我见过类似的问题，但似乎没有一个能达到我的目的。 这是我正在尝试移植到Python的C＃代码： 我想用美丽的汤做一个非常简单的替换。假设我想访问页面中的所有A标签，并将“？foo”附加到它们的href。有人可以发布或链接到如何做这样简单的事情的例子吗？ 我正在尝试使用IronPython 2. 6. urlopen() urllib2. org Date: Thu Oct 31 15:48:05 2019 +0100hiro@torproject. After multiple testing, the average time consumes 2 minutes. Some websites dislike being browsed by programs, or send different versions to different browsers . com/')>>> print(response. 7. 7的urllib2模块进行HTTP相关操作时，遇到请求超时的问题。在 I'm using Django 2, Python 3. urlopen(request) Eventlet is a concurrent networking library for Python that allows changing how code is run. 在 urlopen() 中，使用 timeout 字段，可设定相应的秒数时间之后停止等待响应。 除此之外，还可使用 r. You can vote up the ones you like or vote down the ones you don't like, and go II. Request object. urlopen()变成了urllib. request1. 2 the requests module throws the same underlying exception, as I mention at the top of the question. 1. 从Python 2. 2. It offers a very simple interface, in the form of the urlopen function. It uses epoll or libevent for scalable non-blocking I/O. urlopen in Python if the first call is just stuck? 3. 7 的urllib2 = python3的 urllib. Python-urllib/2. By default the The optional timeout parameter specifies a timeout in seconds for blocking operations like the connection attempt (if not specified, the global default timeout setting will be used). org Just for the records, we did a large Stackless project together with five people, remember? The project cannot be shown, unfortunately, but there are a lot The provisional Free Threading (PEP 703) build of Python. Therefore, its side effects could be shared across dependencies relying on it. urlopen时，经常出现超时异常导致程序停止运行。每次停止还要重启程序，这不利于程序的健壮性。现希望捕获urllib的超时异常来做超时处理。from urllib import requestheaders = { # 用户代理，伪装浏览器用户访问网址'User-Agent': 'Mozilla/5. Problem discovery. It can be used as a drop-in replacement in most applications that use urllib2. data may be a string specifying additional data to send to the server, or None if no such One of my scripts that makes an API call has been failing silently lately. request levels. Una de las formas en la que las peticiones GET y POST difieren entre sí es que las peticiones POST a menudo tienen commit 22080b3f4b08f05c2c6e2fa841c259620ed66d72 Author: Damian Johnson atagar@torproject. 学习建议. handling redirect responses, reading response headers, etc). It appears that the connection is timing out, but I am not catching that particular error. 5), If you need a custom timeout algorith, then subclass urllib3. I want my python script to check for an active internet connection and if there is one then continue with the execution. 在我们用urlopen或opener. request() call. 我的代码似乎在urllib2行失败了：. Solved this using. 7, and BeautifulSoup 4. 3 you can specify how long a socket should wait for a response before timing out. If there is NO connection then continue checking. util. Changed in version 2. 2 Controlling socket timeouts in external libraries. 15 and python 3. I don't care about getting any data back, I just need to server to register a page request. 实际使用中更多用到更强大的requests库，这个作为基础学习即可。 2、request. From the httplib documentation:. Python: Need to request only 20 times per minute. y (where x and y are the major and minor version numbers of the Python release, e. Currently HTTP requests are the only ones that use data; the I also encountered the same problem. Si no pasas el argumento data, urllib usa una petición GET. parse: import urllib. 3) Share. As a result your instance of ProxyHandler which you meant to be used is not being used. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Once upon a time, back when people were rocking Python 2, you had these libraries called httplib and urllib2. Found the problem. I need to set the timeout on urllib2. urlopen( "---insert url here---", None, your-timeout-value) the your-timeout-value parameter is an optional parameter which defines the timeout in seconds. add_header('User-Agent', 'fake-client') response = urllib2. Retrying module not retrying on exception. The solution is not to install opener but to use the opener directly. e. _GLOBAL_DEFAULT_TIMEOUT occurs on simple urlopen. Follow edited Jan 18, 2010 at 22: Headers¶. 3 development by creating an account on GitHub. request, you’ll need to examine how a response is represented by urllib. j: Next unread message ; k: Previous unread message ; j a: Jump to all threads ; j l: Jump to MailingList overview Hello, I am trying to build a python script to auto create RFC's (Reason For Change). urlopen function. request is a Python module for fetching URLs (Uniform Resource Locators). HTTPPasswordMgrWithDefaultRealm(). the data is a byte encoded string. In that case just add another except:. setitimer(signal. This applies to the headers, the url and the body. urlopen(url[, data[, timeout[, cafile[, capath[, cadefault[, context]]]]]) Open the URL url, which can be either a string or a Request object. NET中的， HttpWebRequest类urllib2 的优点Python urllib2 发出的HTTP Request， 能自动被Fiddler截获, 方便了调试。Python 可以自动处理Cookieurllib2 的缺点Python urllib2 发出的http Request, 中的 刚好用到，这篇文章写得不错，转过来收藏。 转载自 道可道 | Python 标准库 urllib2 的使用细节Python 标准库中有很多实用的工具类，但是在具体使用时，标准库文档上对使用细节描述的并不清楚，比如 urllib2 这个 HTTP 客户端库。这里总结了一些 urllib2 库的使用细节 文章浏览阅读4. How can I set this? Although urlopen does accept At the very simplest, you would catch urllib2. We’ll discuss here one particular HTTP header, to illustrate how to add headers to your HTTP request. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. Python Requests request is extremely slow. HDR) html = You need to pass only byte strings to Request. Currently HTTP requests are the only ones that use data; the The documentation for urllib2 says the following:. 1. setdefaulttimeout(30) [/code] 二、捕捉异常并处理之 补充： urllib需要设置socket来设置超时时间，但是urllib2 这个东 I'm using urllib2 to load files from ftp- and http-servers. To understand some of the issues that you may encounter when using urllib. urlopen("COOL WEBSITE") But obviously this pauses the script until a a response is returned, I just want to fire off a request and Default Repo description from terraform module. urlopen(url, timeout=0. You can use timeout: 5000 to tell urllib use same timeout on two phase or set them seperately such as timeout: [3000, 5000], which will set connecting timeout to 3s and response 5s. decode("UTF-8") # Then parse this xml for the information I want. 0. HTTPConnection(host[, port[, strict[, timeout[, source_address]]]]) The optional source_address parameter may be a tuple of a The following are 3 code examples of urllib. URLError("Read timeout") signal. open() and nowhere else. com", timeout = 1) raise MyException("There was an error: %r" The optional timeout parameter specifies a timeout in seconds for blocking operations like the connection attempt (if not specified, the global default timeout setting will be used). Request()变成了urllib. LWPCookieJar() cookie to the 'timeout' attribute of the urllib2. 1, and requires ntlm authentication. Because the responses are useless to me. B站API收集整理及开发，不再维护. To do that, you’ll benefit from a high-level overview of what an HTTP message is, which is what you’ll get in this section. As pointed out here (and as it also seems based on the problem description), the exception may belong to the socket library. ITIMER_REAL You just need to pass the retries argument on the request method, it will automatically do a retry when the timeout is reached, here the references: urllib3 Retrying Requests. baidu. The urlopen() function has a timeout method inbuilt: urllib. it should be POST but I think that's being determined under the hood by the urllib2 or urllib. tags: python Development language. The urllib2 module defines functions and classes which help in opening URLs (mostly HTTP) in a complex world — basic and digest authentication, redirections, cookies and more. It has Python 2. 0 (Windows NT 6. request and urllib. Currently HTTP requests are the only ones that use data; the setting the timeout on a urllib2. read()) urllib. request as urlRequest import urllib. Improve this answer. Some of the servers support only one connection per IP. Currently, the socket timeout is not exposed at the http. Improve this question. Request(url[, data][, headers][, origin_req_host][, unverifiable]) Hi Kelly, The requests are to a hosted feature service in ArcGIS Online, via the REST API, through python using urllib/urllib2. urlopen(), you can give a timeout parameter. If I plug the ethernet cable out of my pc, so that I don't have any connection to the internet for sure, I run into a strange issue. 5，因此无法安装可爱的requests模块 - 据我发现，它与早期版本不兼容 - 所以我坚持{ {1}}。. Contribute to enthought/Python-2. request module – barlaensdoonn How to send a repeat request in urllib2. 所谓网页抓取，就是把URL地址中指定的网络资源从网络流中抓取出来。 当您使用 urllib2. Look at the I'm looking for a way in Python (2. However the implementation is flawed: the 'timeout' Python 3. j: Next unread message ; k: Previous unread message ; j a: Jump to all threads ; j l: Jump to MailingList overview commit 744934523a64e312ce42eaaa31ef936beeae5992 Author: hiro hiro@torproject. It’s quite nice, but the documentation isn’t very comprehensive and it always makes me feel like I’m programming Java once I want to do something more complicated than just open an URL and read the response (i. The urllib2 module defines the following functions: urllib2. if someone overrides OpenerDirector. urlopen("http://example. _create_default_https_context 您是否尝试过设置套接字超时值？取自here：. 8 (but have tried a few other version as well - same result) Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Headers¶. 4. response = urllib2. # -*- coding: utf-8 -*- ''' Genesis Add-on Copyright (C) 2015 lambda This program is free software: you can redistribute it and/or modify it under the terms of the 其中urllib2. 谢谢大家的帮助。正如你们中的一些人所指出的那样， urllib 和套接字模块没有正确设置超时。我正在使用 Python 2. Python3中-爬虫库Urllib概述urllib. urlopen(url[, data][, timeout])¶ Open the URL url, which can be either a string or a Request object. 6w次，点赞4次，收藏5次。urllib. open方法发出一个请求时，如果urlopen或opener. urlopen(url, data=None, [timeout, ]*, cafile=None, capath=None, cadefault=False, context=None) The doc says that its "global default timeout", and looking at the code its: socket. Right now I use this code: urllib2. setdefaulttimeout(timeout) import time import signal def timeout_catcher(signum, _): raise urllib2. You can use timeout: 5000 to tell urllib use same timeout on two phase or set them separately such as timeout: [3000, 5000], which will set connecting timeout to 3s and response 5s. The requests are either addFeatures, updateFeatures or deleteFeatures and we have a setting that limits the number of features per request (currently set to 2000). urlopen in Python if the first call is just stuck? Ask Question Asked 8 years, 3 months ago. In the try I have some http requests attempts and in the except I have several ways to deal with the exceptions I'm getting. request 模块，使用 urlopen() 对参数中的URL发送请求，返回一个http. so, the timeout problem should be resolved by sending custom timeout to the urllib2. getcode()、r. urlopen(url [, data] [, timeout])¶. 5), which may setting the timeout on a urllib2. Its signature is: urllib. As described in the doc : The optional timeout parameter specifies a timeout in seconds for blocking operations like the connection attempt (if not specified, the global default timeout setting will be used). 6k次。urllib2模块中最重要的函数是urlopen()函数，用于获取URLs资源（Uniform Resorce Locators）。urlopen函数不仅可以用于简单的情况，还可以进行复杂情况下的资源获取如认证(authentication)、cookies、代理等。urlopen支持多种协 文章浏览阅读469次。Python 标准库中有很多实用的工具类，但是在具体使用时，标准库文档上对使用细节描述的并不清楚，比如 urllib2 这个 HTTP 客户端库。这里总结了一些 urllib2 库的使用细节。1 Proxy 的设置2 Timeout 设置3 在 HTTP Request 中加入特定的 Header4 Redirect5 Cookie6 使用 HTTP 的 PUT 和 DEL_urllib2. credentials(url, username, password) rest_api = urllib2. 发送请求：使用requests. Request实例演示 概述 问：Urllib能做什么？答：常用在爬虫开发、API(应用程序编程接口)数据获取、测试； 问：Urllib需要安装吗？答：Python自带的标准库，直接引 HTTP请求的python实现（urlopen、headers处理、 Cookie处理、设置Timeout超时、 重定向、Proxy的设置） ©2015, Mahmoud Hashemi, Kurt Rose, Mark Williams, and Chris Lane. It also offers a slightly more complex interface for handling common situations - like basic authentication, cookies, proxies and so on. geturl() 获取相应的当前环境信息、状态码、当前网页URL。 文章浏览阅读9. 23. However the servers response indicates that it receives a simple GET. So what I've done is wrap You can read this post. urlopen()超时问题 : 504Gateway Time-out问题描述： 没有设置timeout参数，结果在网络环境不好的情况下，时常出现read()方法没有任何反应的问题，程序卡死在read()方法里，搞了大半天，才找到问题，给urlopen加 I am working with python2. install_opener(). urlopen() . urlopen(url[, data][, timeout]) #传url时候，用法同urllib里的urlopen II. I looked up the python doc but I didn't find a solution. The problem is when you pass context argument to urllib2. Calling the Nailing Robot API Send message, the speed is extremely slow. request，并且要把urllib2替换成urllib. The underlying library is httplib, which does have that feature, so you may have some luck using that directly. CPython’s global interpreter lock (“GIL”) prevents multiple threads from executing Python code at the same time. parse as urlParse headers Object - Request headers. import socket try: resp = urllib2. The urllib2 documentation says that timeout parameter was added in Python 2. install_opener(opener) Install an OpenerDirector instance as the default global opener. Just built a solution for this using timeout signal: import urllib2 import socket timeout = 10 socket. request()¶ urllib3. HDR) html = The timeout set to 20 used to work just fine and then all of a sudden, today it started to time out on me does anyone have any clues? Well, the first clue is that the behavior changed even though your code didn't. Follow asked Oct 6, 2016 at 14:46. The urllib2 module defines the following functions:. 6: timeout was added. urlopen() then urllib2 creates opener itself instead of using the global one, which is the one that gets set when you call urllib2. urlopen(url[, data][, timeout]) Open the URL url, which can be either a string or a Request object. open不能处理这个response，就产生错误。 要使用Python的requests库来发送一个HTTP请求，并且设置一个超时时间，使得如果请求在指定时间内未得到响应，则直接放弃请求并抛出异常，可以使用requests库中的timeout参数来实现。3. data may be a string specifying additional data to send to the server, or None if no such data is needed. 4. 02) But I can't sure if the request is actually sent out. (#13784) Remove CreateNonAdminAction to prevent conda remove from deleting . urlopen3. Request(fullurl, headers=settings. client. But for testing and examples, I've been using both python 2. 常用方法和类 II. the code should look like this ; response = urllib2. info()、r. Related questions. 5 . org Date: Thu Oct 31 15:48:05 更新. Retry and override method get_backoff_time(). signal(signal. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Headers¶. j: Next unread message ; k: Previous unread message ; j a: Jump to all threads ; j l: Jump to MailingList overview Thread View. (#14271) Do not map Python distribution names to conda names in Hello community, here is the log from the commit of package openSUSE-release-tools for openSUSE:Factory checked in at 2019-06-01 09:47:24 +++++ Comparing /work/SRC This page shows Python examples of ssl. URLError exception is raised. The urllib2. 5 与 Freebase 和 urllib2 模块，以及捕获和处理 MetawebErrors 和 urllib2 . Request(url='') request. _GLOBAL_DEFAULT_TIMEOUT When urllib2. If any of those three inputs contain Unicode values, automatic conversions between Unicode and strings will take place when concatenating, which will invariably lead to grief. Even in requests which claims "For human", timeout is not really for human. tyrk haco mvmgupj yewy ksa ewfu bfaipbgi qned rwwr enpzjq