class_docstr: Pages which long-poll for updates come here to wait.
  
  Updates detected on the filesystem come here to be shared.
class_docstr_tok: ["Pages","which","long-poll","for","updates","come","here","to","wait",".","Updates","detected","on","the","filesystem","come","here","to","be","shared","."]
code: def __init__(self):
      self.cond = threading.Condition()
      self.should_continue = True
      self.rebuilds = {}
  
imports: import http.server
  import os
  import subprocess
  import sys
  import threading
  import time
  import watchdog
  import watchdog.events
  import watchdog.observers
label_desc: Use image node_id 1 to create a new LongPoller object  with example: obj = LongPoller()