Release - Security CAM Overlay add-on

Code:
# Import the modules

import os, requests, time, urllib, urllib2, xbmc, xbmcaddon, xbmcgui, xbmcvfs



# Constants

ACTION_PREVIOUS_MENU = 10

ACTION_BACKSPACE = 110

ACTION_NAV_BACK = 92

ADD_ON_ID = 'script.Cam1'



# Set plugin variables

__addon__    = xbmcaddon.Addon()

__cwd__      = __addon__.getAddonInfo('path').decode("utf-8")

__icon__     = xbmc.translatePath(os.path.join(__cwd__, 'icon.png').encode("utf-8")).decode("utf-8")

__profile__  = xbmc.translatePath(__addon__.getAddonInfo('profile')).decode("utf-8")

__resource__ = xbmc.translatePath(os.path.join(__cwd__, 'resources').encode("utf-8")).decode("utf-8")

__snapshot_dir__ = xbmc.translatePath(os.path.join(__profile__, 'snapshots').encode("utf-8")).decode("utf-8")



# Get settings

url       = __addon__.getSetting('url')

username  = __addon__.getSetting('username')

password  = __addon__.getSetting('password')

width     = int(float(__addon__.getSetting('width')))

height    = int(float(__addon__.getSetting('height')))

interval  = int(float(__addon__.getSetting('interval')))

autoClose = (__addon__.getSetting('autoClose') == 'true')

duration  = int(float(__addon__.getSetting('duration')) * 1000)



# Utils



def log(message,loglevel=xbmc.LOGNOTICE):

    xbmc.log((ADD_ON_ID + ": " + message).encode('UTF-8','replace'),level=loglevel)



# Classes

class CamPreviewDialog(xbmcgui.WindowDialog):

    def __init__(self):

        log('CamPreviewDialog Initialized \n', xbmc.LOGDEBUG)

        COORD_GRID_WIDTH = 1280

        COORD_GRID_HEIGHT = 720

        scaledWidth = int(float(COORD_GRID_WIDTH) / self.getWidth() * width)

        scaledHeight = int(float(COORD_GRID_HEIGHT) / self.getHeight() * height)

        self.image = xbmcgui.ControlImage(COORD_GRID_WIDTH - scaledWidth, COORD_GRID_HEIGHT - scaledHeight, scaledWidth, scaledHeight, __icon__)

        self.addControl(self.image)

        self.image.setAnimations([('WindowOpen', 'effect=slide start=%d time=1000 tween=cubic easing=in'%(scaledWidth),), ('WindowClose', 'effect=slide end=%d time=1000 tween=cubic easing=in'%(scaledWidth),)])



    def start(self, autoClose, duration, interval, url, destination):

        log('CamPreviewDialog Started \n', xbmc.LOGDEBUG)

        self.isRunning = bool(1)

        snapshot = ''

        startTime = time.time()

        while(not autoClose or (time.time() - startTime) * 1000 <= duration):

            if xbmcvfs.exists(snapshot):

                os.remove(snapshot)



            snapshot = self.downloadSnapshot(url, destination)



            if snapshot != '':

                self.update(snapshot)



            xbmc.sleep(interval)

            if not self.isRunning:

                break

        self.close()



    def downloadSnapshot(self, url, destination):

        from requests.auth import HTTPDigestAuth

        log('Retreiving Image \n', xbmc.LOGDEBUG)

        log(destination, xbmc.LOGDEBUG)

        try:

            log('url is ' + url)

            imgData = requests.get(url, auth=HTTPDigestAuth(username, password)).content

            log('1\n', xbmc.LOGDEBUG)

            snapshotpath = os.path.join( destination, 'snapshot' + str(time.time()) + '.jpg' )

            log(snapshotpath, xbmc.LOGDEBUG)

            filename = snapshot = xbmc.translatePath( os.path.join( destination, 'snapshot' + str(time.time()) + '.jpg' ).encode("utf-8") ).decode("utf-8")

            output = open(filename,'wb')

            log('Saving Image To: [' + filename + ']\n', xbmc.LOGDEBUG)

            output.write(imgData)

            output.close()

            return filename

        except Exception, e:

            log('exception\n', xbmc.LOGDEBUG)

            log(str(e), xbmc.LOGDEBUG)

            return ''



    def onAction(self, action):

        log('Received Action: ' + str(action.getId()) + '\n', xbmc.LOGDEBUG)

        if action in (ACTION_PREVIOUS_MENU, ACTION_BACKSPACE, ACTION_NAV_BACK):

            self.isRunning = bool(0)

            self.close()



    def update(self, image):

        log('Updating Image \n', xbmc.LOGDEBUG)

        self.image.setImage(image, bool(0))

    

# Main execution



log('AutoClose: [' + str(autoClose) + ']\n', xbmc.LOGDEBUG)

log('Duration: [' + str(duration) + ']\n', xbmc.LOGDEBUG)

log('Interval: [' + str(interval) + ']\n', xbmc.LOGDEBUG)

log('Width: [' + str(width) + ']\n', xbmc.LOGDEBUG)

log('Height: [' + str(height) + ']\n', xbmc.LOGDEBUG)

log('Original URL: [' + url + ']\n', xbmc.LOGDEBUG)



# Add Basic Authentication Headers

if (username is not None and username != ''):

    passwordManager = urllib2.HTTPPasswordMgrWithDefaultRealm()

    passwordManager.add_password(None, url, username, password)

    authhandler = urllib2.HTTPBasicAuthHandler(passwordManager)

    opener = urllib2.build_opener(authhandler)

    urllib2.install_opener(opener)



# Replace URL agruments

argCount = len(sys.argv)

for i in xrange(1, argCount):

    search = '{%d}'%(i - 1)

    replace = sys.argv[i]

    url.replace(search, replace)



log('Final URL: [' + url + ']\n', xbmc.LOGDEBUG)



xbmcvfs.mkdir(__snapshot_dir__)



camPreview = CamPreviewDialog()

camPreview.show()

camPreview.start(autoClose, duration, interval, url, __snapshot_dir__)

del camPreview



dirs, files = xbmcvfs.listdir(__snapshot_dir__)

for file in files:

    log('Delete remaining snapshot: [' + file + ']\n', xbmc.LOGDEBUG)

    xbmcvfs.delete(os.path.join(__snapshot_dir__, file))