Python implementation of running scrapy in threads

"""
Code to run Scrapy crawler in a thread - works on Scrapy 0.8
"""
import threading, Queue
from  import reactor
from  import dispatcher
from  import scrapymanager
from  import scrapyengine
from  import signals
class CrawlerThread():
  def __init__(self):
    .__init__(self)
     = False
  def run(self):
     = True
    (control_reactor=False)
    ()
    (installSignalHandlers=False)
  def crawl(self, *args):
    if not :
      raise RuntimeError("CrawlerThread not running")
    self._call_and_block_until_signal(signals.spider_closed, \
      , *args)
  def stop(self):
    ()
  def _call_and_block_until_signal(self, signal, f, *a, **kw):
    q = ()
    def unblock():
      (None)
    (unblock, signal=signal)
    (f, *a, **kw)
    ()
# Usage example below:
 
import os
('SCRAPY_SETTINGS_MODULE', '')
from  import dispatcher
from  import signals
from  import settings
from  import CrawlerThread
['LOG_ENABLED'] = False # avoid log noise
def item_passed(item):
  print "Just scraped item:", item
(item_passed, signal=signals.item_passed)
crawler = CrawlerThread()
print "Starting crawler thread..."
()
print "Crawling ...."
(') # blocking call
print "Crawling ..."
('') # blocking call
print "Stopping crawler thread..."
()