python. urlopen() and read() [urllib2]. I am testing for some exception handling and would want to know, which network related errors could occur in the following code: candidate urllib2.urlopen() 1 candidate.read() 2 I know that 1 causes URLError. We get a response object using the urllib2.urlopen() method, where the parameter is the link. All of the file contents is received using the response.read() method call. After calling this, we have the file data in a Python variable of type string. File "/usr/lib/python2.7/urllib2.py", line 1247, in unknownopen. raise URLError(unknown url type: s type). URLError: . Open the urls in their own threads and return the results results pool.map( urllib2.urlopen, urls) Email codedump link for Lambda Python Pool.map and urllib2.urlopen : Retry only failing processes, log only errors.Ruby-- possible ways of splitting a string into n substrings. urllib2 offering very simply interface, like urlopen function. This function can get URL-adress, via different protocols(HTTP, FTPPython urlencode takes a couple of variable / value and creates already encoded string. Result was: ArtistSearchKruder26Dorfmeister. postdata urllib.
urlencode(value1 : a string, value2 : another string) headers User-Agent: Agentsignal.alarm(5) response urllib2.urlopen(request) signal.alarm(0) Disable the signal.
Related Questions. recursive crawling with Python and Scrapy. python 2.7 vs python 3.1. print urllib2.urlopen(url).read(). If I would print this now, I would get an encoded string like this: qquerystringfoobar. Pythons urlencode takes variable/value pairs and creates a properly escaped querystring urllib2 is a Python module for fetching URLs (Uniform Resource Locators). It offers a very simple interface, in the form of the urlopen function.urllib2 supports fetching URLs for many "URL schemes" (identified by the string before the ":" in URL - for example "ftp" is the URL scheme of "ftp Is there a way to implement urllib2.urlopen to enable reporthook ? progress.py code: !/usr/bin/env python. import time, urllib2, urllib. class progressBar: def init(self, minValue 0, maxValue 10, totalWidth12): self.progBar "" This holds the progress bar string self.min minValue urllib2 is a Python module for fetching URLs. Offers a very simple interface, in the form of the. urlopen function. urllib provides the urlencode method which is used for the generation of GET query strings, urllib2 doesnt have such a function. I have the problem that setting the timeout is useless when the url isnt already resolved to an IP address.Traceback (most recent call last): File "", line 1, in File "/usr/lib/ python2.7/urllib2.py", line 126, in urlopen return opener.open(url, data, timeout) File I used the following code to access gmail but I got a urllib2.URLError: < urlopen error unknown urlimport twill, string, os btwill.commands.getbrowser() b.setagent string("Mozilla/5.0 (Windows Uline 180, in open response urlopen(self, req, data) File "/opt/ams/mdevine/lib/ python2.4/urllib2.py" Below is my code: req urllib2.Request(url, , HEADERS) html urllib2. urlopen(req).read() print(type(html)) retrns str I want to close urllib stram.Youre closing the string returned by .read(), and closing a string doesnt make sense. Note. The urllib2 module has been split across several modules in Python 3.0 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when convertingurllib2.urlopen(url[, data][, timeout]). Open the URL url, which can be either a string or a Request object. We use Pythons built-in urlopen to hit Yahoos server and fetch the rates from urllib.request import urlopen .src/s/c/scoop-0.7.1.release/examples/urlfetch.py scoop(Download). try: We open the web page. with urllib.request.urlopen(string, None, 1) as f The following are 50 code examples for showing how to use urllib2.urlopen(). They are extracted from open source Python projects.7 votes. def downloadfileinsecure(url, target): """ Use Python to download the file, even though it cannot authenticate the connection. """ how to request authentication url only once, not twice, with pythons urllib2 library.Join float list into space-separated string in Python. How to convince a project sponsor that all functions in your code should have unit tests. Im using Pythons urllib2 to send an HTTP post: import socket, urllib, urllib2. socket.setdefaulttimeout(15).signal.alarm(5) response urllib2.urlopen(request) signal.alarm(0) Disable the signal. urllib2.urlopen(url[, data[, timeout[, cafile[, capath[, cadefault[, context]]]]]). Open the URL url, which can be either a string or a Request object. data may be a string specifying additional data to send to the server, or None if no such data is needed. Im trying to use urllib2 and open url address by writing the following python codeRe: urllib2.urlopen fails. Posted 15 September 2015 - 03:13 AM. I ran that code (a version of it for Python 3) without error. Try it again. Difference between str and repr in Python. Does Python have a string contains substring method?signal.alarm(5) response urllib2.urlopen(request) signal.alarm(0) Disable the signal. My program receives a URL and attempts to download the file concurrently. All of my code is valid. My only problem is that urllib2.urlopen.read().Im using Pythons urllib2 to send an HTTP post: import socket, urllib, urllib2 socket.setdefaulttimeout(15) postdata urllib.urlencode(value1 : a string urllib2.urlopenURL.self.send(msg) File "/usr/lib/python2.6/httplib.py", line 759, in send self.sock.sendall( str) File "", line 1, in sendall UnicodeEncodeError: ascii codec cant encode characters in position 7-8: ordinal not in range(128). urllib and urllib2 are both Python modules that do URL request related stuff but offer different functionalities.urllib provides the urlencode method which is used for the generation of GET query strings, urllib2 doesnt have such a function. I am trying to send a POST to the Box API but am having trouble with sending it through Python.sessiondata, headers) sessionresponse urllib2.urlopen(sessionrequest) The problem lies in my sessiondata. docs.python.org/2/library/urllib2.htmlurllib2.urlopen>. Now, the next question Id ask is whether youre working from a book (or online tutorial), and that book is describing Python 2.x If so, you might encounter this type of pain many times. urllib2.urlopen(url[, data[, timeout[, cafile[, capath[, cadefault[, context]]]]]). Open the URL url, which can be either a string or a Request object. data may be a string specifying additional data to send to the server, or None if no such data is needed. Define a molecular formula string mf C10H20Cl2 . Define the parameters and send them to Chemcalc params mf: mf,isotopomers:jcamp,xy response urllib2.urlopen(ccurl, urllib.urlencode(params)) . Read the output and convert it from JSON into a Python dictionary it gives me an error: Cant convert bytes object to str implicitly.Here is how you deal with this: [codepython] get code of given URL as html text string Python3 uses urllib.request.urlopen() instead of Python2s urllib. urlopen() or Traceback (most recent call last) : File "C:/Python25/google.py", line 5,in filesource.write( urlopen(string).read()) File "CActually urlopen is working for google labs sets page but not for the google.com and even I have same problem with wikipedia . Please let me know Removing HTML Tags from a String with Python. Python Multiprocessing Tutorial. The Top Books for Learning to Program in Python.try: here we are going to open our desired page using urllib2.urlopen and passing in our request object as a parameter and as a means of protection we180, in open response urlopen(self, req, data) File "/opt/ams/mdevine/lib/ python2.4/urllib2.py"I used the following code to access gmail but I got a urllib2.URLError: < urlopen error unknown urlimport twill, string, os btwill.commands.getbrowser() b.setagent string("Mozilla/5.0 (Windows U >>> objurllib2.urlopen(url, timeout20) CTraceback (most recent call last): File , line 1, in File /System/Library/Frameworks/ Python.framework/Versions/2.7/lib/python2.7/urllib2.py, line 127, in urlopen return opener. open(url, data, timeout) Upon investigation I found its returning string type. Below is my code: req urllib2.Request(url, , HEADERS) html urllib2.urlopen(req).read() print(type(html)) retrns str.Does urllib2.urlopen() actually fetch the page? 10.
Python urllib2. urlopen() is slow, need a better way to read several urls. Pass the URL to urlopen() to get a file-like handle to the remote data. python urllib2requestpost.py Request method before data: GET Request method after data : POST. OUTGOING DATA: qquery stringfoobar. We could add HTTP authentication credential when opening and URL using urllib2. Done ) Reference: StackOverflow - Python urllib2 Basics:s (username, password)).replace(n, ) request.addheader("Authorization", "Basic s" base64 string) response urllib2.urlopen(request). urllib.urlopen works but urllib2.urlopen doesnt. Python: urllib/urllib2/httplib confusion. urllib2 data sending. Read file object as string in python. Tracking redirects and cookies with Python. How do I send a custom header with urllib2 in a HTTP Request? get code of given URL as html text string Python3 uses urllib.request. urlopen() instead of Python2s urllib.urlopen() or urllib2.urlopen(). mp4video urllib2.urlopen(mp4url). logging.info(succesfully opened the url).| Recommendpython - urllib2 urlopen error: must be string or buffer, not instance. urllib: cannot open webpage which requires authentication. urllib.urlopen unwanted password prompts - documentation problem.Can not get urllib.urlopen to work. Simple Question : files and URLLIB. Browse more Python Questions on Bytes. how is it possible to pass a unicode string to the urllib2.urlopen(url) function? I want to access a pdf-file with an utf-8 encoded url Difference between str and repr in Python. Does Python have a string contains substring method? Try to store the result of urlopen() somewhere (perhaps in a variable called stream) before calling .read() on it, so that you can also .close() it after youre doneYoure closing the string returned by .read(), and closing a string doesnt make sense. I use urllib2 from Pythons standard library, in quite a few projects. Its quite nice, but the documentation isnt very comprehensive and it always makes me feel like Im programming Java once I want to do something more complicated than just open an URL and read the response (i.e urllib3. urllib3 is a powerful, sanity-friendly HTTP client for Python. Much of the Python ecosystem already uses urllib3 and you should too. urllib3 brings many critical features that are missing from the Python standard libraries From the urllib2 docs: urllib2.urlopen(url[, data][, timeout]). This function returns a file-like python -c "import urllib2 print urllib2.buildopener(urllib2 .HTTPHandler(debuglevel1)).openwhy is a tuple converted to a string when it only contains a single string? >>> a [(a), (b), (c, d)] g urllib2.urlopen throws 404 exception for urls that browser opens. Write PDF file from URL using urllib2.11. Python: Urllib.urlopen nonnumeric port. 12. Python string argument without an encoding. def myfunc(self, url): result urllib2.urlopen(url).read() HTTP Error 400: Bad Request. When I call the above URL, I get the error: Traceback (most recent call last): File "", line 1, in File "/usr/lib/ python2.7/urllib2.py", line 126, in urlopen return opener.open(url, data, timeout) Convert a String to an int in Java.Here are the examples of the python api urllib2.urlopen.info taken from open source projects. By voting up you can indicate which examples are most useful and appropriate. The easiest way would be: F urllib2.urlopen("http://example.com/foo/bar") s f.read() s now holds the contents of the site. There is more information in the urllib2 docs. Urlopen() returns a file-like object, so Pythons file object methods work. python2. from urllib2 import urlopen help(urlopen).Python 3 had brought a lot of changes and now there is no more urllib and urllib2 instead we are offered with. urllib.request -for opening URLs.