🌐 Mailman 3 March 2006 - Tutor - python.org

how to get the content of an XML elements.
by Keo Sophon April 5, 2006

April 5, 2006

Hi all, Is there anyway to get the content of an XML elements. I am using xml.dom. Thanks, Phon

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Re: [Tutor] Bigrams and nested dictionaries
by Michael Broe April 3, 2006

April 3, 2006

Aha! John wrote: "Are you sure you haven't mistakenly assigned something other than a dict to D or D['d'] ?" Thanks for the tip! Yup that was it (and apologies for not reporting the problem more precisely). I hadn't initialized the nested dictionary before trying to assign to it. (I think Perl doesn't require initialization of dictionaries prior to assignment, which in this case, would be a nice thing...) >>> D['a'] = {'a':1, 'b':2} #oops Traceback (most recent call last): File "<stdin>", line 1, in ? NameError: name 'D' is not defined >>> D = {} >>> D['a'] = {'a':1, 'b':2} >>> D {'a': {'a': 1, 'b': 2}} >>> D['c']['a'] = 1 #ooops Traceback (most recent call last): File "<stdin>", line 1, in ? KeyError: 'c' >>> D['c'] = {} >>> D['c']['a'] = 1 >>> D {'a': {'a': 1, 'b': 2}, 'c': {'a': 1}} And Kent wrote: "Encapsulating this in a generator is probably a good plan." Yay, I get to play with generators... thanks for the suggestion, I would never have looked in that direction. -------------------------- Python: [x for S in L for x in S] Mathematica: Flatten[L] (but where's the fun in that?)

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BeautifulSoup - getting cells without new line characters
by jonasmg＠softhome.net April 2, 2006

April 2, 2006

From a table, I want to get the cells for then only choose some of them. <table> <tr> <td>WY</td> <td>Wyo.</td> </tr> ... </table> Using: for row in table('tr'): print row.contents ['\n', <td>WY</td>, '\n', <td>Wyo.</td>, '\n'] [...] I get a new line character between each cell. Is possible get them without those '\n'? Thanks in advance!

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Python tutor
by Noufal Ibrahim April 1, 2006

April 1, 2006

Greetings all, Are there any programs for python that offer an "interactive" tutorial? Something on the lines of the builtin emacs tutorial (which is basically just a buffer that tells you to try this and try that with itself) or the Inkscape tutorial (which is an SVG document that comes along with inkscape which has instructions on manipulating it so that the reader learns stuff). Another example that comes to mind is the tcltutor program to learn TCL. It contains an instruction window, a code window and an output window. The user is told something, they try it and the output is visible. I personally used it when I was learning TCL. The python tutorial is great and probably all one needs to learn the language but I think a more interactive program to teach it might be useful. I googled a little and found Guido van Robot although I'm not sure if it's exactly like what I'm talking about. Are there any others? Do you all think it'll be a worthwhile project? Bye -- -NI

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Apple Remote "Mouse"
by Johnston Jiaa April 1, 2006

April 1, 2006

I recently bought a Macbook Pro from Apple. As it comes with a remote, I thought it would be great to use it as a mouse when not in Front Row. The fast forward button would move the cursor to the left, the volume increase would move it up the screen, etc and the play button would serve as a "click." Is there any way to manipulate the cursor position on the screen using Python? It is greatly appreciated if someone can point in the direction of where to look or what to search as no immediately useful hits came up from google. I am absolutely clueless about how to implement any of this. It would be awesome if someone could briefly explain, or maybe point me to a tutorial of any sort, how to write a program that could detect the button pressed on the remote and accordingly move the cursor up, down, side-to-side. Knowing how to disable the volume control of the "up and down" function of the anticipated remote would also be great, if anyone has time to elaborate how this can be done. Thank you for reading my message, and I hope you do not regard me as being a waste of your time. Johnston Jiaa (artificiallystupid(a)yahoo.com) --------------------------------- Blab-away for as little as 1¢/min. Make PC-to-Phone Calls using Yahoo! Messenger with Voice.

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Inverted Index Algorithm
by Steve Nelson April 1, 2006

April 1, 2006

Hello All, I've been reading about "Inverted Indexing" - I'd like to try to write something in Python that illustrates the concpet, as I've got to give a presentation about it. Where would be a good place to start? S.

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removing file from zip archive.
by Keo Sophon April 1, 2006

April 1, 2006

Hi all, How can we remove one file inside of a zip archive? I'm using this method: import zipfile ziparchive = zipfile.ZipFile('test.odt', 'r') xmldata = ziparchive.read('content.xml') ziparchive.close Thanks in advance, Sophon

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Looking for Constructs to Remove Redundant Code
by Ilias Lazaridis March 31, 2006

March 31, 2006

I have this python code class Car: """Type of car.""" manufacturer = f.string() model = f.string() modelYear = f.integer() _key(manufacturer, model, modelYear) def __str__(self): return '%s %s %s' % (self.modelYear, self.manufacturer, self.model) - and would like to see it e.g. this way: class Car: """Type of car.""" manufacturer = f.string(true, str=2) model = f.string(true, str=3) modelYear = f.integer(true, str=1) - how would the factory method look like? def string(self, key, str ) # create somehow the __str__ function # create somehow the key . -- http://lazaridis.com

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Re: [Tutor] Apple Remote "Mouse"
by Tim Golden March 31, 2006

March 31, 2006

[Johnston Jiaa] | I recently bought a Macbook Pro from Apple. As it comes with | a remote, I thought it would be great to use it as a mouse | when not in Front Row. The fast forward button would move | the cursor to the left, the volume increase would move it up | the screen, etc and the play button would serve as a "click." | | Is there any way to manipulate the cursor position on the | screen using Python? It is greatly appreciated if someone | can point in the direction of where to look or what to search | as no immediately useful hits came up from google. Just to warn you: this message will not directly help you to solve your problem, but... ... this seems to me to be the kind of query where you could legitimately post to the main Python newsgroup / mailing list and/or to some Mac-specific one, if there is such a thing. What you're asking is not really about Python as such, but about whatever the technologies are within the Macbook environment for detecting and controlling remote devices. I suggest, if you haven't already, that you post to the main Python list, but first have a Google around to see if someone's done this using *any* programming language which might be a good starting point for someone to explain how to translate that into Python. TJG ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________

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Python app and UNIX commands
by William Mhlanga March 31, 2006

March 31, 2006

Hello, I have come up with an idea of an app that I would like to write using python but I need some guidance. I would like to write an app for Linux/Unix that fetches a gzipped or bzipped file from a remote server by http or ftp. The file will be downloaded to a temporary directory, unzipped and its contents copied to specific directory. If the process has gone well, the files in the temporary directory are cleaned up. To do this, I guess I would have to mingle python with some UNIX commands. How do I intermingle python and unix commands? I have read most of Michael Dawsons book but unfortunately it doesn't have this kind of stuff. I have just bought Magnus Lie Hetland's book and just started going through it. Any other recommendations will be appreciated. Thanks. Will

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