Linux Ask!

Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.

Jul 232012
 

How to get absolute path in Python?

Answer:

To return the absolute path when you provide shortcut path such as ".", e.g.

import os
print os.path.abspath(".") # print the full path of ., depending where you execute the program
May 182011
 

Add Personal Package Archives (PPA) to the current repository in Ubuntu

Answer:

add-apt-repository is a helper script which adds an external APT repository to either /etc/apt/sources.list or a file in /etc/apt/sources.list.d/. It can also import the keys needed.

To get this tool, just a single command:

# sudo apt-get install python-software-properties

That is it.

Mar 162011
 

Render web page using PyQt

Answer:

Qt bindings to WebKit have been added since 4.4, so you can use PyQt to script the browser (Webkit based).

Firstly, make sure you have installed the need packages:

# sudo apt-get install libqt4-core libqt4-webkit python-qt4

Then you can write a simple script to test, e.g.

#!/usr/bin/env python

import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtWebKit import *

app = QApplication(sys.argv)

web = QWebView()
web.load(QUrl("http://www.google.com"))
web.show()

sys.exit(app.exec_())