server.py

#!./virt_env/bin/python
import os
import cherrypy as http
import subprocess
import signal
import simplejson as json

from mako.template import Template
from mako.lookup import TemplateLookup
lookup = TemplateLookup(directories=['templates'])
p = None
current = "Off"

def sortDictByValueKey(dict, valuekey):
    sortedValueKeys = {}
    for key in dict.iterkeys(): 
        if(valuekey == "name"):
            value = dict[key][valuekey] + "1"
        else:
            value = dict[key][valuekey] + dict[key]["name"]
        
        while(value in sortedValueKeys.keys()):
            if(valuekey == "name"):
                value = value + "1"
            else:
                value = value + dict[key]["name"]
                print value
        
        sortedValueKeys[value] = key
    
    sortedKeys = []
    for key in sorted(sortedValueKeys.iterkeys()):
        sortedKeys.append(sortedValueKeys[key])
    
    return sortedKeys


class Serv:
   @http.expose
   def index(self):
      global current
      animations  = os.listdir('./animations/')
      aData = {}
      for a in animations:
         json_data=open('animations/%s/manifest.json'%a)
         data = json.load(json_data)
         aData[a] = data
         json_data.close()
    
      sortedKeys = sortDictByValueKey(aData, "name")
                 
      tmpl = lookup.get_template("index.html")
      return tmpl.render(animations=aData,current=current,animationKeys=sortedKeys)

   @http.expose
   @http.tools.allow(methods=['POST'])
   def set(self, animation):
      global p
      global current
      if p:
         os.kill(p.pid, signal.SIGTERM)
      if animation == "Off":
         current = "Off"
         return "Turned off"
      animations  = os.listdir('./animations/')
      if animation in animations:
         p = subprocess.Popen(['env','PYTHONPATH=./osc:$PYTHONPATH','python','animations/%s/main.py'%animation])
         current = animation
         return "Animation %s started"%animation
      return "Unknown animation %s"%animation

   @http.expose
   @http.tools.allow(methods=['POST'])
   def pull(self):
      p = os.popen('git pull origin master','r')
      output = ""
      while 1:
         line = p.readline()
         if not line: break
         output += line + '\n'
      return output

if __name__ == "__main__":
   config = {
             '/static':{
                    'tools.staticdir.on': True,
                    'tools.staticdir.dir': os.path.abspath(os.path.join(os.path.dirname(__file__), 'static'))
             }
   }
   
   
   http.tree.mount(Serv(), '/', config = config)
   http.config.update( {'server.socket_host':"0.0.0.0", 'server.socket_port':8181 } )
   http.engine.signal_handler.subscribe()
   http.engine.start()
   http.engine.block()