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Corey Goldberg a1022d929b fixed pep8 warnings in setup 8 years ago
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MANIFEST.in Adding readme file to the source distribution, so that the pip installation from pypi can happen without any errors 9 years ago
README.rst fixed pep8 warnings in setup 8 years ago
setup.py fixed pep8 warnings in setup 8 years ago
tox.ini added pep8 dependency for tests 8 years ago

README.rst

xvfbwrapper

Python wrapper for running a display inside X virtual framebuffer (Xvfb)

Corey Goldberg - 2012, 2013


Install xvfbwrapper from PyPI

pip install xvfbwrapper

System Requirements

  • Xvfb (sudo apt-get install xvfb, or similar)
  • Python 2.7 or 3.2+ (tested on py27, py32, py33, pypy)

About Xvfb (X Virtual Framebuffer)

In the X Window System, Xvfb or X virtual framebuffer is an X11 server that performs all graphical operations in memory, not showing any screen output. This virtual server does not require the computer it is running on to even have a screen or any input device. Only a network layer is necessary.

Example: Basic Usage

from xvfbwrapper import Xvfb

vdisplay = Xvfb()
vdisplay.start()

# launch stuff inside virtual display here

vdisplay.stop()

Example: Headless Selenium WebDriver Tests

from selenium import webdriver
from xvfbwrapper import Xvfb

import unittest


class TestPages(unittest.TestCase):

    def setUp(self):
        self.xvfb = Xvfb(width=1280, height=720)
        self.addCleanup(self.xvfb.stop)
        self.xvfb.start()
        self.browser = webdriver.Firefox()
        self.addCleanup(self.browser.quit)

    def testUbuntuHomepage(self):
        self.browser.get('http://www.ubuntu.com')
        self.assertIn('Ubuntu', self.browser.title)

    def testGoogleHomepage(self):
        self.browser.get('http://www.google.com')
        self.assertIn('Google', self.browser.title)


if __name__ == '__main__':
    unittest.main(verbosity=2)

This code uses selenium and xvfbwrapper to run a test with Firefox inside a headless display.

  • install selenium bindings: pip install selenium
  • Firefox will launch inside virtual display (headless)
  • browser is not shown while tests are run