docs: def reading(self):
          """Open url and read
          """
          try:
              # testing proxy
              proxies = {}
              try:
                  proxies["http_proxy"] = os.environ['http_proxy']
              except KeyError:
                  pass
              try:
                  proxies["https_proxy"] = os.environ['https_proxy']
              except KeyError:
                  pass
  
              if len(proxies) != 0:
                  proxy = urllib2.ProxyHandler(proxies)
                  opener = urllib2.build_opener(proxy)
                  urllib2.install_opener(opener)
  
              # end testing
              f = urllib2.urlopen(self.link)
              return f.read()
          except (urllib2.URLError, ValueError):
              print("\n{0}Can't read the file '{1}'{2}".format(
                  self.meta.color["RED"], self.link.split("/")[-1],
                  self.meta.color["ENDC"]))
              return " "