python

How to set a local image in pynotify?

If I run the following in python in Ubuntu 10.04: >>> import pynotify >>> p = pynotify.Notification ("Notice","","/home/george/Pictures/test.png") >>> p.show() true The message displays as expected, except the image does not appear in the OSD. How can I display a local image? In fact, for what I need, it would be better if I could di...

Take the intersection of an arbitrary number of lists in python

Suppose I have a list of lists of elements which are all the same (i'll use ints in this example) [range(100)[::4], range(100)[::3], range(100)[::2], range(100)[::1]] What would be a nice and/or efficient way to take the intersection of these lists (so you would get every element that is in each of the lists)? For the example that wou...

Socket connection to a telnet-based server hangs on read

I'm trying to write a simple socket-based client in Python that will connect to a telnet server. I can test the server by telnetting to its port (5007), and entering text. It responds with a NAK (error) or an AK (success), sometimes accompanied by other text. Seems very simple. I wrote a client to connect and communicate with the ser...

Show me some cool python list comprehensions

One of the major strengths of python and a few other (functional) programming languages are the list comprehension. They allow programmers to write complex expressions in 1 line. They may be confusing at first but if one gets used to the syntax, it is much better than nested complicated for loops. With that said, please share with me ...

Printing to STDOUT and log file while removing ANSI color codes

I have the following functions for colorizing my screen messages: def error(string): return '\033[31;1m' + string + '\033[0m' def standout(string): return '\033[34;1m' + string + '\033[0m' I use them as follows: print error('There was a problem with the program') print "This is normal " + standout("and this stands out") I ...

where to use a pyc file?

i want to know what is a pyc file(python bytecode) i want to know all details, i want to know about the compiler, is it a replacement for exe? does it need to be run by python? is it as portable as .py file is? where sould i use this? tnx ...

Can I use setuptools without permissions to /usr/local etc

I want to use some packages (i.e., IPython or zdaemon), butI am doing this on a system (my university) that does not give me permissions for /usr/local, /usr/bin, or all these directories. Is there a way around it? ...

Can DBRefs contain additional fields?

I've encountered several situations when using MongoDB that require the use of DBRefs. However, I'd also like to cache some fields from the referenced document in the DBRef itself. {$ref:'user', $id:'10285102912A', username:'Soviut'} For example, I may want to have the username available even though the user document is referenced. ...

I'm writing a spellchecking program, how do I replace ch in a string?

What am I doing wrong/what can I do? import sys import string def remove(file): punctuation = string.punctuation for ch in file: if len(ch) > 1: print('error - ch is larger than 1 --| {0} |--'.format(ch)) if ch in punctuation: ch = ' ' return ch else: retur...

How to customize a many-to-many inline model in django admin

I'm using the admin interface to view invoices and products. To make things easy, I've set the products as inline to invoices, so I will see the related products in the invoice's form. As you can see I'm using a many-to-many relationship. In models.py: class Product(models.Model): name = models.TextField() price = models.Deci...

What is the fastest way to learn a new programming Language?

Possible Duplicates: Fast technology to learn How to learn programming related topics faster? What is the fastest way to learn a new programming Language? I've heard of a few programmers that know 5-6 programming languages fluently, how do they do that? Just looking for tips and tricks really? Any advice? Thanks in advance;...

Python: Seeing all files in Hex.

I am writing a python script which looks at common computer files and examines them for similar bytes, words, double word's. Though I need/want to see the files in Hex, ande cannot really seem to get python to open a simple file in python. I have tried codecs.open with hex as the encoding, but when I operate on the file descriptor it a...

how do i edit a running python program?

scenario: a modular app that loads .py modules on the fly as it works. programmer (me) wishes to edit the code of a module and and then re-load it into the program without halting execution. can this be done? i have tried running import a second time on an updated module.py, but the changes are not picked up ...

for x in y, type iteration in python. Can I find out what iteration I'm currently on?

Hi, I have a question about the loop construct in Python in the form of: for x in y: In my case y is a line read from a file and x is separate characters. I would like to put a space after every pair of characters in the output, like this: aa bb cc dd etc. So, I would like to know the current iteration. Is it possible, or do I need to u...

manage.py runserver throws an ImportError with my appname, MacPorts issue on OSX?

I've been developing a Django app for weeks locally on OSX 10.6.3. Recently, I rebooted my machine and went to start my development environment up. Here's the error: cm:myApp cm$ python manage.py runserver Traceback (most recent call last): File "manage.py", line 11, in execute_manager(settings) File "/Library/Python/2.6/...

gae error : Error: Server Error, how to debug it .

when i upload my project to google-app-engine , it show this : Error: Server Error The server encountered an error and could not complete your request. If the problem persists, please report your problem and mention this error message and the query that caused it. why ? how can i debug this error ? thanks ...

Is there a more up to date RSS feed API for Python than Feedparser?

Seems it hasn't been updated in a while, and lacks support for things like sy:updateFrequency. ...

Automate paster create -t plone3_buildout

I want to automate the process of plone3_buildout. Explanation: The default(the one I use) way of building a plone site is using paster, like so: paster create -t plone3_buildout This asks me a few questions and then create a default buildout for the site. What I want: I want to automate this process using buildout. My buildout will...

The dictionary need to add every word in SpellingMistakes and the line number but it only adds the last one... HELP Pl0X

#modules import sys import string #Importing and reading the files form the Command Prompt #Document = open(sys.argv[1],"r") Document = open('Wc.txt', 'r') Document = Document.read().lower() #Dictionary = open(sys.argv[2],"r") Dictionary = open('Dict.txt', 'r') Dictionary = Dictionary.read() def Format(Infile): for ch in string.pu...

why is this dictionary line number count not working?

i have this piece of code the last bit of the code starting from d = {} im trying to print the words with its line number located in the text but it is not working its only printing the words anyone know why ??? need help ASAP import sys import string text = [] infile = open(sys.argv[1], 'r').read() for punct in string.punctuation: ...