AutoKey Bit.ly Link Shortener

bitly_shortener.py

# Bit.ly URL Shortener for AutoKey
#
# On Ubuntu, you must run:
#
#   sudo apt-get install xclip python-pip
#
# and 
#
#   sudo pip install requests

BITLY_API_KEY="YOUR_BITLY_API_KEY"

from subprocess import Popen as popen, PIPE

import re
import sys

if subprocess.call(['which', 'xclip']) != 0:
    subprocess.call(['notify-send', '-u', 'normal', '-t', '15000',
            '-i', 'error', "Error Shortening URL",
            "Please install the 'xclip' program."])

try:
    import requests
except ImportError:
    subprocess.call(['notify-send', '-u', 'normal', '-t', '15000',
            '-i', 'error', "Error Shortening URL",  
            "Please install the Python 'requests' library."])
    sys.exit(1)

try:
    value = clipboard.get_selection()
except Exception:
    value = ""

is_valid_url = lambda u: re.match(
    r'^(?:http|ftp)s?://' # http:// or https://
    r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' #domain...
    r'localhost|' #localhost...                 
    r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})' # ...or ip               
    r'(?::\d+)?' # optional port                  
    r'(?:/?|[/?]\S+)$', u, re.IGNORECASE
) is not None

is_bitly_url = lambda u: re.match(
    r'^https?://(?:bit\.ly|j\.mp)/(?:[a-z]+)$',
    u, re.IGNORECASE
) is not None


if is_valid_url(value) and not is_bitly_url(value):
    # if value is real URL and not 
    r = requests.get("https://api-ssl.bitly.com/v3/shorten", params={
        'access_token': BITLY_API_KEY,
        'longUrl': value    
    })
    
    if r.ok and r.json()['status_code'] == 200:
        # if it worked, get us a nice HTTPS link
        result = re.sub(r'(?ui)(?<=^http)(?=:)', "s", r.json()['data']['url'])
        
        print "Shortened URL: %s" % (result,)
        
        # set clipboard
        popen(["xclip", "-selection", "clipboard"], stdin=PIPE).communicate(input=result)
            
        # show notification
        subprocess.call(['notify-send', '-u', 'normal', '-t', '15000',
            '-i', 'document-export', "Link Shortened to Clipboard", 
            "Short Link: %s" % (result,)])
    else:
        print "Unable to shorten url, result from server: %s" % (r.json(),)