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I'm looking hard but I cannot find any XMPP server in python with the following features:
using epoll, just like http://www.gevent.org/
supporting BOSH
modular design
use little RAM/CPU for up to 1000 users
more important than the previous requirement: the CPU/RAM usage must be predictable
Prosody looks quite good feature-wise, but I don't know how many users it can support simultaneously and how it is performance-wise.
Could someone give me an idea?
For a rough idea of how Prosody is performance-wise, see this post on their ML. https://groups.google.com/d/topic/prosody-users/SlXpfwJfgY4/discussion
xmpp.org uses Prosody, any other questions? :P
btw, if you want to toy with it a little, you can always run prosody using luajit (didn't test that myself, but I'm fairly sure it would work). Expect at least 2-4x faster execution.
Look # ejabberd too.
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Is there some tool that can provide the flow of a python program at a functional level (eg. function A called function B with args1 which in turn called function C with args2). If not, what could be a possible starting point to create it? I thought cProfile might be of some help, but it doesn't give the proper stack trace iirc. Is there a better solution than using pdb and parsing the stack trace and providing the result in a better format?
A very interesting project to visualize the program flow is pythontutor!
There are a number of Python visual debuggers that'll do what you want:
pudb (console visual debugger, open-source)
WinPDB (free, open-source)
PyCharm (shareware, free trial, cross-platform, not open source but probably has the best interface of the three)
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I'm starting to work on documentation of python33 modules. But I'm beginner in this field.
I will be very grateful if you will help me to choose good instrument to do this.
I read a lot of topics in Internet. I've fount that the most popular are sphinx and Epydoc. But which of them is better to use? Almost all problems discussed in the Internet are quite old. I'm sure that situation is changed since 2011 year.. May be somebody is pro in doing docs for python docs. Please help to make first steps.
Cannot imagine more useful and helpful material except:
PEP8 Comments section
PEP8 Documentation Strings section
Documentation thread of The Hitchhiker’s Guide to Python
And, yes:
Epydoc is discontinued. Use Sphinx instead.
Hope that helps.
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I'm recently started to learn Twisted framework and now looking for some cheat sheets/reference cards with basic Twisted stuff. Such as deferreds, callbacks, reactor, protocols, factories, transports, so on.
At the moment found nothing neither on http://refcardz.dzone.com/ nor on http://www.cheat-sheets.org/
Any help appreciated.
The closest thing I know of is Everything You Always Wanted to Know About Twisted
It's not really a "cheat-sheet", but it is a concise introduction to most of the basic concepts.
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I'm writting a small python script notify me when certain condition met. I used smtplib which does the emailing for me, but I also want the script to call my cell phone as well.
I can't find a free library for phone callings. Does anyone know any?
Make the calls using Skype, and use the Skype4Py API.
If you want other suggestions, please specify how you want to make the call (modem? Some software bridge? What?).
Also, might I suggest that you send an SMS instead of placing a call? You can do that via Skype too, btw.
Twilio can make calls through their API. Pay as you go. Worked well for wakeup calls for me.
I've used Skype4Py very successfully. Keep in mind though it does require Skype to be installed and costs the standard rate for SkypeOut.
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Does anyone know of a Python class similar to Java Robot?
Specifically I would like to perform a screen grab in Ubuntu, and eventually track mouse clicks and keyboard presses (although that's a slightly different question).
If you have GTK, then you can use the gtk.gdk.Display class to do most of the work. It controls the keyboard/mouse pointer grabs a set of gtk.gdk.Screen objects.
Check out GNU LDTP:
GNU/Linux Desktop Testing Project (GNU
LDTP) is aimed at producing high
quality test automation framework
[...]
Especially Writing LDTP test scripts in Python scripting language
As far as the screen grab, see this answer. That worked for me. Other answers to the same question might be of interest as well.
Check out the RobotFramework. I do not know if it will do the same things as JavaRobot, or if it will do more. But it is easy and very flexible to use.