FYI: Removing posts with All Cap Authors

[Wanderer]

I mostly just lurk and view the post titles to see if something interesting is 
being discussed. This code gets me a web page without the spam. You need to 
compile it to a pyc file and create a bookmark. Probably not useful for most 
people who don't use their browsers the way I do, but here it is.

# remove authors with mostly caps


import urllib2
import webbrowser
import os
from bs4 import BeautifulSoup

USERAGENTBASE = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:40.0) 
Gecko/20100101 '
BROWSERPATH = 'C:\\"Program Files"\\Waterfox\\waterfox.exe'
FILENAME = 'C:\\PyStuff\\pygroup.htm'
WEBPAGE = 
"https://groups.google.com/forum/?_escaped_fragment_=forum/comp.lang.python";

def getUserAgentVersion():
    """ get the useragent version
        returns agentVersion
        -- user agent version in format Firefox/51.0.1 Waterfox/51.0.1
    """
    bvers = os.popen(BROWSERPATH + " -v").read()
    bversList = bvers.split()
    agentVersion = 'Firefox/' + bversList[2] + ' ' + bversList[1] + '/' + 
bversList[2]
    return agentVersion    

def getwebpage(url):
    """ Open a webpage 
    url --  the url to the webpage
    returns 
    page -- the source for the webpage
    """
    user_agent = USERAGENTBASE + getUserAgentVersion()
    headers = { 'User-Agent' : user_agent }
    req = urllib2.Request(url, None, headers)
    response = urllib2.urlopen(req)
    page = response.read()
    return page

def removeAllCaps(html_doc):
    """ Remove posts from google group by authors that is mostly caps
    html_doc -- an html document
    """
    
    soup = BeautifulSoup(html_doc)
    #print soup.prettify()
    post = soup.find("tr")
    while post is not None:
        author = post.find("td", "author")
        print author
        aname = author.get_text()
        numCaps = 1.0 * sum(1 for c in aname if c.isupper())
        ratio = numCaps/(1.0*len(aname))
        print ratio
        oldpost = post
        post = post.find_next_sibling('tr')
        if ratio > 0.7:
            oldpost.decompose()
            print "BIG"
        
    f = open(FILENAME, 'w')
    f.write(soup.prettify().encode('ascii', 'ignore'))
    f.close()
    
         
def main():
    html_doc = getwebpage(WEBPAGE)
    removeAllCaps(html_doc)
    webbrowser.open(FILENAME)
    print 'done'
    
if __name__ == "__main__":
    main()    
    


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