import sys, urllib, urllib2, re

class BaseClass:

   def log(self, id, message):
       #print "%s:\t%s" % (id, message)
       pass


class HttpClient(BaseClass):

   userAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4"

   def setUserAgent(self, userAgent=None):
       self.userAgent = userAgent

   def getPage(self, url=None):
       if url is None:
           url = self.url
       self.log("HttpClient",url)
       req = urllib2.Request(url)
       req.add_header('User-Agent', self.userAgent)
       return urllib2.urlopen(req).read()


class SearchEngineParser(HttpClient):

   params = {}

   def addParam(self, name, value):
       self.params[name] = value

   def setServiceUrl(self, url):
       self.serviceUrl = url
       self.updateUrl()

   def setSearchRule(self, rule):
       self.searchRule = re.compile(rule)

   def updateUrl(self):
       self.url = self.serviceUrl % urllib.urlencode(self.params)

   def parse(self):
       self.log("SEParser",self.query)
       self.updateUrl()
       page = self.getPage()
       entries = self.searchRule.findall(page)
       return entries


class GoogleParser(SearchEngineParser):

   serviceUrl = "http://google.com/search?%s"
   searchRule = r"<a href=\"([^\"]+)\" class=l>"

   def __init__(self, query):
       self.setQuery(query)
       self.setServiceUrl(self.serviceUrl)
       self.setSearchRule(self.searchRule)

   def setQuery(self, query):
       self.addParam("q",query)
       self.query = query

   def setMaxResult(self, maxResult):
       self.addParam("num",maxResult)


fh = open(sys.argv[1])
for query in fh.readlines():
   parser = GoogleParser(query)
   parser.setMaxResult(100)
   urls = parser.parse()
   for url in urls:
       print url