dev_mozilla.getResultString()

Complexity

Conditions

7

Size

Total Lines	71
Code Lines	25

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

#! /usr/bin/env python

def getResultString(function, filter='js'):

    """ 

    Uses the given function name and searches for it on the mozilla

    developer network. Returns a string with "Nothing found" if nothing 

    was found, or a pretty string with the information requested along

    with a link.

    """


    # Asemble the basic search url

    url = BASE_URL+function


    #print("Url: " + url)


    if 'js' in filter or 'javascript' in filter:

        url = url + URL_TOPIC_JS


    #print("Url: " + url)


    # Try to fetch the site. If a incorrect function name is 

    # used, this will fail and print an error code. 

    siteData = None

    try:

        #print('Start to read')

        siteData = urllib2.urlopen(url)

        #print('Done reading.')

    except urllib2.HTTPError, e:

        print(e.code)

    except urllib2.URLError, e:

        print(e.args)


    # This is the default value that will be returned if nothing is found.

    result = 'Found nothing.'


    # Actually parse and find the text 

    if siteData is not None:


        # Use SoupStrainer to only parse what I need

        strainer = SoupStrainer('li',{'class': 'result-1'})


        # Create the soup object, using the SoupStrainer.

        soup = BeautifulSoup(siteData, "lxml",  parse_only=strainer)


        # Get all a tags

        linkTags = soup.find_all("a")

        descriptionTag = soup.find("p")


        if len(linkTags) < 2:

            return result


        # Trying to check that fields arent empty or contain too strange data

        #if len(linkTags[0].get_text()) < 4 or len(linkTags[1].get_text()) < 21 or len(descriptionTag.get_text()) < 15:

        #    return result


        # First a tag is the title/name of the result

        resultName = linkTags[0].get_text()


        # Second a tag is the url of the result

        resultLink = 'https://' + linkTags[1].get_text()


        # The P tag contains the description

        resultDescription = descriptionTag.get_text().rstrip()


        # Put the text without html tags in my fancy string

        result = 'MDN: ' + resultName + ' - ' + resultDescription + ' - ' + resultLink


        result = result.encode('utf-8')


        #print(result)


    # Return the result

    return result