flickr

#!/usr/bin/python

from appscript import app, its, k
import re
import sys

def b58encode(n):
  chars = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ'
  basecount = len(chars)
  b58 = []
  while (n >= basecount):
    (div, mod) = divmod(n, basecount)
    b58.insert(0, chars[mod])
    n = div
  if (n > 0):
    b58.insert(0, chars[n])
  return ''.join(b58)

numSafari = app('System Events').processes[its.name == 'Safari'].count(each=k.item)
numChrome = app('System Events').processes[its.name == 'Google Chrome'].count(each=k.item)

if numSafari > 0:
  url = app('Safari').documents[0].URL.get()
elif numChrome > 0:
  frontIndex = app('Google Chrome').windows[1].active_tab_index.get()
  url = app('Google Chrome').windows[1].tabs[frontIndex].URL.get()

ids = re.findall(r'flickr\.com/photos/.*/(\d+)/?', url)

shortflickr = 'http://flic.kr/p/%s' % b58encode(int(ids[0]))
sys.stdout.write(shortflickr)