import sys
sys.path.append("..")

import pykhtml


PyKHTMLUrl = "http://paul.giannaros.org/pykhtml"

def extractBitsFromPage(browser):
    # getElementsByTagName returns a generator, so we convert
    # to a list and access the first element
    title = list(browser.document.getElementsByTagName("title"))[0]
    print "Title:", title.text
    # Get the text of the navigation items
    navigation = []
    # First get the container of the list items...
    navigationElement = browser.document.getElementById("navigation")
    # ... and then loop over the li elements we find
    for listItem in navigationElement.getElementsByTagName("li"):
        # Inside the list item is an anchor
        anchor = listItem.children[0]
        # And the text inside the anchor is what we want
        navigation.append(anchor.text)
    print "Navigation:", " | ".join(navigation)
    # Stop here, we're done
    pykhtml.stopEventLoop()

def main():
    browser = pykhtml.Browser()
    # the browser is passed as a parameter to extractBitsFromPage
    # when it is called (when the page has loaded)
    browser.load(PyKHTMLUrl, extractBitsFromPage)
    # kick things off
    pykhtml.startEventLoop()
    

if __name__ == "__main__":
    main()