wifitables/ifstats_skids.py

"""ifstats_skids: gather wireless status from a skid in STA mode."""
# coding: utf-8
import HTMLParser

import requests


def GetStatusWireless(bridge_ip):
  resp = requests.get('http://{}/status_wireless.php'.format(bridge_ip))
  return resp.text


class MyHTMLParser(HTMLParser.HTMLParser):
  """Extract connection information from the skid's status_wireless.php page."""

  def __init__(self):
    # HTMLParser is an old-style class (!!!, http://stackoverflow.com/a/9698750)
    HTMLParser.HTMLParser.__init__(self)
    self.in_tables = 0
    self.in_td = False
    self.data = ''
    self.dlist = []

  def handle_starttag(self, tag, attrs):
    if not self.in_tables:
      if tag == 'table' and ('class', 'tablemain') in attrs:
        self.in_tables += 1
    else:
      if tag == 'table':
        self.in_tables += 1
      elif tag == 'td':
        self.in_td = True

  def handle_endtag(self, tag):
    if self.in_tables:
      if tag == 'table':
        self.in_tables -= 1
      elif tag == 'td':
        self.in_td = False
        self.dlist += [self.data]
        self.data = ''

  def handle_data(self, data):
    if self.in_tables:
      self.data += data


def ParseStatusWireless(text):
  """Parse a status_wireless.php page returned from a skid."""
  parser = MyHTMLParser()
  parser.feed(text)

  results = {}
  key = ''
  for cell in [item.strip() for item in parser.dlist][3:-1]:
    if not key:
      key = cell[:-1]
      continue

    results[key] = cell
    key = ''

  return results


if __name__ == '__main__':
  out = GetStatusWireless('192.168.1.167')
  print ParseStatusWireless(out)