[Tutor] Importing Excel sheet data
Dear Saradhi, I am using COM on Win32 for this, based on the sample of Mark Hammond Andy Robinson in the Programing Python on Win32 book. That is a fairly simple way to do that. The code itself can be downloaded from http://examples.oreilly.com/pythonwin32/ppw32_samples.zip You can find some information about it googling for EasyExcel. The book itself is an essential to work on win32 with python. # My personal favorite chapters are the ones about double-entry bookkeeping :) Date: Wed, 5 Sep 2007 21:07:41 -0500 From: saradhi dinavahi [EMAIL PROTECTED] I am new to the Python Programming. I want to Import Excel sheet data using Python. Can any one please provide me the code and explain the basic steps and method of executing the code. Janos Juhasz___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Importing Excel sheet data
saradhi dinavahi wrote: I am new to the Python Programming. I want to Import Excel sheet data using Python. Can any one please provide me the code and explain the basic steps and method of executing the code. If you can get your Excel data into CSV format, the csv module others have already mentioned is a great way to go. It makes it very easy to read and write CSV-format files, which can be used with other spreadsheets and other programs, too. However, if you need to create or input actual Excel worksheets, which contain more than simple data tables like CSV supports, check out a third-party module called pyExcelerator. http://sourceforge.net/projects/pyexcelerator ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Importing Excel sheet data
Ian Witham wrote: HI Saradhi, I too am fairly new to Python, but I use the csv module successfully for my work. Could you be a little more specific as to what your requirements are and where you are finding difficulty? Ian. On 9/6/07, *saradhi dinavahi* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: hi Ian , I have read the CSV module. But I felt difficult to write a code for my requirement. For reading only there is also xlrd: http://www.lexicon.net/sjmachin/xlrd.htm The csv module was recently covered here: http://blog.doughellmann.com/2007/08/pymotw-csv.html If you are having trouble with the basics you would do well to read one of the tutorials here or an introductory book: http://wiki.python.org/moin/BeginnersGuide/NonProgrammers BTW we usually bottom post on this list. http://catb.org/jargon/html/B/bottom-post.html Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] unicode encoding hell
David Bear wrote:
feedp.entry.title.decode('utf-8', 'xmlcharrefreplace')
I assume it would take any unicode character and 'do the right thing',
including replacing higher ordinal chars with xml entity refs. But I still
get
UnicodeEncodeError: 'ascii' codec can't encode character u'\u2019' in
position 31: ordinal not in range(128)
Clearly, I completely do not understand how unicode is working here. Can
anyone enlighten me?
It sounds like you already have Unicode. Notice that you are trying to
decode but the error is for encoding.
In [17]: u'\u2019'.decode('utf-8')
Traceback (most recent call last):
File ipython console, line 1, in module
File
/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/encodings/utf_8.py,
line 16, in decode
return codecs.utf_8_decode(input, errors, True)
type 'exceptions.UnicodeEncodeError': 'ascii' codec can't encode
character u'\u2019' in position 0: ordinal not in range(128)
decode() goes towards unicode, encode() goes away from unicode.
Kent
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[Tutor] Socket Timeout Handling
I am trying to figure out the optimal way to make socket connections (INET) and check for timeouts. The socket module has settimeout(timeout) and setdefaulttimeout(timeout). However, so far as I can tell, these apply to socket objects. The type of socket connection I want to make is getfqdn(address). So I can set the default timeout for socket, but not a socket object (makes sense so far). I cannot use the getfqdn(address) method on a socket object, I have to use it on socket. This means (as I understand it thus far), that while I can set a timeout value for socket objects, this will not apply to when I use the getfqdn() method, which is where I need a timeout check! Some example code for the steps so far: import socket conn = socket.socket() conn.setdefaulttimeout(2.0) Traceback (most recent call last): File stdin, line 1, in module AttributeError: '_socketobject' object has no attribute 'setdefaulttimeout' socket.setdefaulttimeout(2.0) conn.getfqdn(64.33.212.2) Traceback (most recent call last): File stdin, line 1, in module AttributeError: '_socketobject' object has no attribute 'getfqdn' socket.getfqdn(64.33.212.2) '64-33-212-2.customers.pingtone.net' # Disconnected network connection here ... socket.getfqdn(64.33.212.2) '64.33.212.2' # Reconnected network connection here socket.getfqdn(64.33.212.2) '64-33-212-2.customers.pingtone.net' After I disconnected my network connection and called getfqdn(), it returned the IP address I called it with after about 25 seconds. So the default timeout was ignored? Is there some other way to call this function so that I can check for timeouts? Should I instead just put my network calls in a thread and see how long they take, stopping them after a certain period? Thanks for any help. -Sam ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Python / CGI
Hi guys, quick question, I've been trying to learn python lately, and have written a few little apps to help with some day to day stuff I do, and recently my fiance asked me if it was possible to come up with a simple web based schedule she can use with the other teachers in her school to schedule library time. (She's the librarian). Basically, it will be a small calendar like app that will have 'slots' teachers can sign up for. It doesn't sound like it would be too complicated, and may be a good learning project. I was wondering if python as cgi would be good for this, and if there are any pitfalls I need to watch out for before I start delving into it. I'm also fairly new to writing my own html so will basically be learning it all from scratch. TIA, Lee McClintock ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python / CGI
Hi, If you have your own server to run it on, I think it would make sense to use one of the Python web frameworks that are out there. I used cherrypy for my first web-based python project and I found it very easy to learn and develop in quickly. Regards, Michael On 06/09/07, Fiyawerx [EMAIL PROTECTED] wrote: Hi guys, quick question, I've been trying to learn python lately, and have written a few little apps to help with some day to day stuff I do, and recently my fiance asked me if it was possible to come up with a simple web based schedule she can use with the other teachers in her school to schedule library time. (She's the librarian). Basically, it will be a small calendar like app that will have 'slots' teachers can sign up for. It doesn't sound like it would be too complicated, and may be a good learning project. I was wondering if python as cgi would be good for this, and if there are any pitfalls I need to watch out for before I start delving into it. I'm also fairly new to writing my own html so will basically be learning it all from scratch. TIA, Lee McClintock ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor -- Michael Connors ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python / CGI
Thanks Michael, I'll be using my dreamhost account, and I'm pretty sure cherrypy works there, will check into it. On 9/6/07, Michael Connors [EMAIL PROTECTED] wrote: Hi, If you have your own server to run it on, I think it would make sense to use one of the Python web frameworks that are out there. I used cherrypy for my first web-based python project and I found it very easy to learn and develop in quickly. Regards, Michael On 06/09/07, Fiyawerx [EMAIL PROTECTED] wrote: Hi guys, quick question, I've been trying to learn python lately, and have written a few little apps to help with some day to day stuff I do, and recently my fiance asked me if it was possible to come up with a simple web based schedule she can use with the other teachers in her school to schedule library time. (She's the librarian). Basically, it will be a small calendar like app that will have 'slots' teachers can sign up for. It doesn't sound like it would be too complicated, and may be a good learning project. I was wondering if python as cgi would be good for this, and if there are any pitfalls I need to watch out for before I start delving into it. I'm also fairly new to writing my own html so will basically be learning it all from scratch. TIA, Lee McClintock ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor -- Michael Connors ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python / CGI
Michael Connors wrote: Hi, If you have your own server to run it on, I think it would make sense to use one of the Python web frameworks that are out there. I used cherrypy for my first web-based python project and I found it very easy to learn and develop in quickly. That's debatable. I find the frameworks to be overly complicated and obfuscated. They're great when you're going through the tutorials, but try to do something outside the box and I find myself digging through documentation for longer than it would take me to write it from scratch. For this you'd need: some sort of backing store and some display routines with a simple interface to click on a slot and enter your name in it. I think I could write it in about 75 lines of python. Maybe 50. Just my opinion, e. Regards, Michael On 06/09/07, *Fiyawerx* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Hi guys, quick question, I've been trying to learn python lately, and have written a few little apps to help with some day to day stuff I do, and recently my fiance asked me if it was possible to come up with a simple web based schedule she can use with the other teachers in her school to schedule library time. (She's the librarian). Basically, it will be a small calendar like app that will have 'slots' teachers can sign up for. It doesn't sound like it would be too complicated, and may be a good learning project. I was wondering if python as cgi would be good for this, and if there are any pitfalls I need to watch out for before I start delving into it. I'm also fairly new to writing my own html so will basically be learning it all from scratch. TIA, Lee McClintock ___ Tutor maillist - Tutor@python.org mailto:Tutor@python.org http://mail.python.org/mailman/listinfo/tutor -- Michael Connors ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python / CGI
Fiyawerx wrote: Hi guys, quick question, I've been trying to learn python lately, and have written a few little apps to help with some day to day stuff I do, and recently my fiance asked me if it was possible to come up with a simple web based schedule she can use with the other teachers in her school to schedule library time. (She's the librarian). Basically, it will be a small calendar like app that will have 'slots' teachers can sign up for. It doesn't sound like it would be too complicated, and may be a good learning project. I would look for prior art, myself. This sounds like a project that could easily get complicated. Here are some promising links: http://python.about.com/b/a/88.htm http://www.schooltool.org/products/schooltool-calendar For that matter you might find that Google Calendar does everything you need: http://www.google.com/calendar It has a Python API FWIW: http://code.google.com/apis/calendar/overview.html Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python / CGI
Eric Brunson wrote: Michael Connors wrote: Hi, If you have your own server to run it on, I think it would make sense to use one of the Python web frameworks that are out there. I used cherrypy for my first web-based python project and I found it very easy to learn and develop in quickly. That's debatable. I find the frameworks to be overly complicated and obfuscated. They're great when you're going through the tutorials, but try to do something outside the box and I find myself digging through documentation for longer than it would take me to write it from scratch. Hmm. As my boss likes to say, Reasonable people may disagree. I have been developing with Django for about six months now and I love it. Much of what I have wanted to do is directly supported and easy in Django; sometimes I have to push at it but only a few times have I really felt like I was trying to make it do something it really didn't want to do. I find both the documentation and code informative and easy to read. Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python / CGI
Kent Johnson wrote: Eric Brunson wrote: Michael Connors wrote: Hi, If you have your own server to run it on, I think it would make sense to use one of the Python web frameworks that are out there. I used cherrypy for my first web-based python project and I found it very easy to learn and develop in quickly. That's debatable. I find the frameworks to be overly complicated and obfuscated. They're great when you're going through the tutorials, but try to do something outside the box and I find myself digging through documentation for longer than it would take me to write it from scratch. Hmm. As my boss likes to say, Reasonable people may disagree. I have been developing with Django for about six months now and I love it. Much of what I have wanted to do is directly supported and easy in Django; sometimes I have to push at it but only a few times have I really felt like I was trying to make it do something it really didn't want to do. I find both the documentation and code informative and easy to read. I'll admit, though I looked at it briefly, Django was not one of the frameworks I spent much time on (didn't care for the templating style). I do most of my web development to run under mod_python and I've developed my own libraries to do what I need to do the way I think it should be done. :-) ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] getting iteration level
Lets say I have a list object that I iterate over like this: for item in myList: process(item) During execution of the for loop something happens and I want to know how many items have be iterated over, how do I find out? Without resorting to some counter inside the loop, is there some python object I can ask? -- David Bear College of Public Programs at Arizona State University ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Dynamically changing a class
On Wednesday 05 September 2007 16:59, Jason Doege wrote: Thanks for the good and useful information on this. Now for the why... I am building an API and for various reasons I have chosen Python to implement it. I'd like to separate the implementation from the interface as, for instance, C++ does with separate .hpp and .cpp files. Apart from defining a class with a bunch of empty methods and then redefining them, I have not seen a good way to do this in Python. Can you recommend the Pythonic way to do this? If you want to describe the data and validate it, Enthought traits may be interesting for you: http://code.enthought.com/traits/ They additionally have a library that can automatically generate a graphical user interface to change the data of a traits using class. Regards, Eike. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python / CGI
Michael Connors wrote: Hi, If you have your own server to run it on, I think it would make sense to use one of the Python web frameworks that are out there. I used cherrypy for my first web-based python project and I found it very easy to learn and develop in quickly. Regards, Michael I'd argue that sticking with a Python CGI would be a great way to start because the OP can focus on the basics rather than on the framework API. The Python CGI stuff I've written in the past was helpful in my understanding of how and why Django works the way it does. After his Web Calendar is functioning as a CGI he'll have lots of ideas on how to improve it. A framework might help at that point. This article looks like it might have some useful information: [http://python.about.com/od/advancedpython/ss/howtocal.htm] Sounds like a fun project. Eric. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] getting iteration level
David Bear wrote: Lets say I have a list object that I iterate over like this: for item in myList: process(item) During execution of the for loop something happens and I want to know how many items have be iterated over, how do I find out? Without resorting to some counter inside the loop, is there some python object I can ask? Use enumerate(), it generates the list index for you: for i, item in enumerate(myList): process(item) print 'processed item', i Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Socket Timeout Handling
Since no one bit on this yet, let me simplify to the core issue I am having: What is the best practice for checking for network connectivity errors when making network calls? Is it better to wrap the functions that make said calls in threads and time them? Or to use timeout variables for modules like socket? Something else? I found some good general info here: http://www.onlamp.com/pub/a/python/2003/11/06/python_nio.html But I have had a hard time finding info on network error handling specifically. Thoughts? __ - Original Message From: wormwood_3 [EMAIL PROTECTED] To: Python Tutorlist tutor@python.org Sent: Thursday, September 6, 2007 9:40:21 AM Subject: [Tutor] Socket Timeout Handling I am trying to figure out the optimal way to make socket connections (INET) and check for timeouts. The socket module has settimeout(timeout) and setdefaulttimeout(timeout). However, so far as I can tell, these apply to socket objects. The type of socket connection I want to make is getfqdn(address). So I can set the default timeout for socket, but not a socket object (makes sense so far). I cannot use the getfqdn(address) method on a socket object, I have to use it on socket. This means (as I understand it thus far), that while I can set a timeout value for socket objects, this will not apply to when I use the getfqdn() method, which is where I need a timeout check! Some example code for the steps so far: import socket conn = socket.socket() conn.setdefaulttimeout(2.0) Traceback (most recent call last): File stdin, line 1, in module AttributeError: '_socketobject' object has no attribute 'setdefaulttimeout' socket.setdefaulttimeout(2.0) conn.getfqdn(64.33.212.2) Traceback (most recent call last): File stdin, line 1, in module AttributeError: '_socketobject' object has no attribute 'getfqdn' socket.getfqdn(64.33.212.2) '64-33-212-2.customers.pingtone.net' # Disconnected network connection here ... socket.getfqdn(64.33.212.2) '64.33.212.2' # Reconnected network connection here socket.getfqdn(64.33.212.2) '64-33-212-2.customers.pingtone.net' After I disconnected my network connection and called getfqdn(), it returned the IP address I called it with after about 25 seconds. So the default timeout was ignored? Is there some other way to call this function so that I can check for timeouts? Should I instead just put my network calls in a thread and see how long they take, stopping them after a certain period? Thanks for any help. -Sam ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python / CGI
On Thu, Sep 06, 2007 at 11:35:14AM -0400, Fiyawerx wrote: recently my fiance asked me if it was possible to come up with a simple web based schedule she can use with the other teachers in her school to schedule library time. (She's the librarian). Basically, it will be a small calendar like app that will have 'slots' teachers can sign up for. It doesn't sound I wrote something like that in a couple of hours using straight Python, so I know it's doable. I haven't checked out any of the frameworks, but it would be really interesting to see what it would take to build a couple of apps in Django or whatever. If you're interested in just banging out a Python app, though, my experience was writing a calendaring tool for a group of my friends who get together once a month or so for gaming days. The app displays a year's calendar (any year desired) and shows what days we're playing or not. You click on a link to get a version of that calendar view with slots open for you to vote on which days you prefer or which you can't play on. Then I have an admin view which displays all the votes, and lets me make the play/not play decision for each date, which is what is displayed in the normal calendar view. The whole thing only took 318 lines of straight Python code, including all the HTML displayed on all those forms. The calendar module is your friend for apps like this, by the way :) -- Steve Willoughby| Using billion-dollar satellites [EMAIL PROTECTED] | to hunt for Tupperware. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python / CGI
Fiyawerx [EMAIL PROTECTED] wrote Hi guys, quick question, I've been trying to learn python lately, and have written a few little apps to help with some day to day stuff I do, and recently my fiance asked me if it was possible to come up with a simple web based schedule she can use with the other teachers in her school to schedule library time. wondering if python as cgi would be good for this, and if there are any pitfalls I need to watch out for before I start delving into it. If you want to do it as a learning excercise then I recommend using vanilla CGI. Everyone should write a couple of CGI apps to understand what really goes on. But two is enough and then move onto a framework for the sake of your sanity! Django has gotten a mention, personally I've been using TurboGears a bit and like it. Its an amalgamation of CherryPy (already mentioned) to convert http requests into python method calls with kid for templating (aka isolating your HTML from your code) and SQL Objects for providing OO style database access - you may not even need this, flat files may be adequate.(It can also use SQL Alchemy for this but I've not used it) www.turbogears.org But frankly all web objects provide the same basic features and for conventional web apps there is little to choose IMHO! ) And not just in Python, the same applies to Ruby on Rails, Struts(Java), IBM Websphere etc. HTH, -- Alan Gauld Author of the Learn to Program web site http://www.freenetpages.co.uk/hp/alan.gauld ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] manually sorting variables
I'm working out of Core Python Programming (2nd Edition) by Wesley Chun. Here is the problem: Have the user enter three numeric values and store them in three different variables. Without using lists or sorting algorithms, manually sort these three numbers from smallest to largest. Here is what I have so far: #!/usr/bin/env python def smallest_var(x,y): if x y: return x elif y x: return y else: print x equals y var1 = raw_input(Enter a number for var1: ) var2 = raw_input(Enter a number for var2: ) var3 = raw_input(Enter a number for var3: ) small = smallest_var(var1, var2) #print small_var_1 smallest = smallest_var(small, var3) print smallest I'm not sure what the next step would be. If I was using a list, I could try to remove the smallest variable and then just compare the two remaining variables. Any hints? I'm the last person to pretend that I'm a radio. I'd rather go out and be a color television set. -David Bowie Who dares wins -British military motto I generally know what I'm doing. -Buster Keaton ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] manually sorting variables
Christopher Spears wrote: I'm working out of Core Python Programming (2nd Edition) by Wesley Chun. Here is the problem: Have the user enter three numeric values and store them in three different variables. Without using lists or sorting algorithms, manually sort these three numbers from smallest to largest. Here is what I have so far: #!/usr/bin/env python def smallest_var(x,y): if x y: return x elif y x: return y else: print x equals y var1 = raw_input(Enter a number for var1: ) var2 = raw_input(Enter a number for var2: ) var3 = raw_input(Enter a number for var3: ) small = smallest_var(var1, var2) #print small_var_1 smallest = smallest_var(small, var3) print smallest I'm not sure what the next step would be. If I was using a list, I could try to remove the smallest variable and then just compare the two remaining variables. Any hints? Do you know how to do a bubble sort? You could use comparison and swapping to sort the values so x is the smallest, y is the middle and z is the largest. I think it can be done with three comparisons and three or fewer swaps. Think of x, y and z as the three positions of a list. Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] dynamic attribute assignment
I've just noticed that you can use the import statement to import variables, such that a simple file such as vars.py: # File with predefined variables var1= 'some text' var2= 2 var3=['a','b','c'] Would then, upon import, provide: vars.var1 'some text' vars.var2 2 vars.var3 ['a','b','c'] This is great, I had no idea! However, is there then a way to reassign or update the values? For instance, can you say: vars.var1='some new text' ?? Just curious! ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Socket Timeout Handling
wormwood_3 [EMAIL PROTECTED] wrote Since no one bit on this yet, let me simplify to the core issue I am having: That may be because your question ventures into fairly deep areas of networking that most folk who are just learning Python(ie readers of this list) have probably not encountered. I've used python for network programming but not extensively and certainly not for hard core production use so can't help you. Similarly I've used sockets extesively from C/C++ but I'm not sure how well that transfers to Python without doing more digging than I hsave time for right now. If you do want to get into depth on Python networking you may find the A-Press book Python Network Programming useful - I do regularly :-). However the only information I could see about timeouts there was related to socket.settimeout() which ISTR you didn't want to/couldn't use... What is the best practice for checking for network connectivity errors when making network calls? Is it better to wrap the functions that make said calls in threads and time them? Or to use timeout variables for modules like socket? Personally if i was doingt that I'd almost certainy put it in a thread and apply a timeout within the thread. but not having tried that I don't know how easy it would be! But I have had a hard time finding info on network error handling specifically. The A-Press book does devote several pages in total to socket error handling including connection errors, timeout errors and transmission errors. I am trying to figure out the optimal way to make socket connections (INET) and check for timeouts. The socket module has settimeout(timeout) and setdefaulttimeout(timeout). However, so far as I can tell, these apply to socket objects. The type of socket connection I want to make is getfqdn(address). I don't understand, getfqdn() returns a domain name not an a socket? So I can set the default timeout for socket, but not a socket object (makes sense so far). I cannot use the getfqdn(address) method on a socket object, I have to use it on socket. Sorry it's not making sense to me, getfqdn takes a host name not a socket. import socket conn = socket.socket() conn.setdefaulttimeout(2.0) setdefaulttimout is a function in the socket module not a method of socket. Thus you woulfd call that before reating a new socket: socket.setdefaulttimeout(5) # set default t/o of 5 secs conn = socket.socket()# with timeout of 5 socket.setdefaulttimeout(2.0) conn.getfqdn(64.33.212.2) Again getfqdn is a function in the socket module not a method. But if you give it an IP saddress it will just return that IP address! socket.getfqdn(64.33.212.2) '64-33-212-2.customers.pingtone.net' OK, Apparently it will give you more... :-) # Disconnected network connection here ... socket.getfqdn(64.33.212.2) '64.33.212.2' After I disconnected my network connection and called getfqdn(), it returned the IP address I called it with after about 25 seconds. So the default timeout was ignored? Yes because there was no socket being created it was doing a name lookup using standard DNS etc, and with the network disconnected timed out at the OS level I suspect. If you want to control the DNS lookup you will need to cofde that manually I suspect. (As I say, this is way deeper than I've needed to peer into these type of operations, the defaults have worked for me!) Is there some other way to call this function so that I can check for timeouts? Should I instead just put my network calls in a thread and see how long they take, stopping them after a certain period? I don't think that would necessarily help here. What are you trying to do? Establish a socket connection to something or just do a name check that times out more quickly?(or slowly) Thanks for any help. Not sure how much help, not even sure I understand what you are up to, but it might spark an idea... -- Alan Gauld Author of the Learn to Program web site http://www.freenetpages.co.uk/hp/alan.gauld ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
