class_docstr: FSHandler detects file created and modified events.
  
  Updates to input files are sent to the Rebuilder.
  
  Updates to output files are sent to the LongPoller.
class_docstr_tok: ["FSHandler","detects","file","created","and","modified","events",".","Updates","to","input","files","are","sent","to","the","Rebuilder",".","Updates","to","output","files","are","sent","to","the","LongPoller","."]
code: def __init__(self, rebuilder, long_poller):
      self.rebuilder = rebuilder
      self.long_poller = long_poller
      super().__init__()
  
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 FSHandler object from inherited base classes: watchdog.events with example: obj = FSHandler(rebuilder, long_poller)