code: def register_bootstrap_functions():
      '''Discover and register all post import hooks named in the
      'AUTOWRAPT_BOOTSTRAP' environment variable. The value of the
      environment variable must be a comma separated list.
  
      '''
  
      # This can be called twice if '.pth' file bootstrapping works and
      # the 'autowrapt' wrapper script is still also used. We therefore
      # protect ourselves just in case it is called a second time as we
      # only want to force registration once.
  
      global _registered
  
      if _registered:
          return 
  
      _registered = True
  
      # It should be safe to import wrapt at this point as this code will
      # be executed after all Python module search directories have been
      # added to the module search path.
  
      from wrapt import discover_post_import_hooks
  
      for name in os.environ.get('AUTOWRAPT_BOOTSTRAP', '').split(','):
          discover_post_import_hooks(namef register_bootstrap_functions():
      '''Discover and register all post import hooks named in the
      'AUTOWRAPT_BOOTSTRAP' environment variable. The value of the
      environment variable must be a comma separated list.
  
      '''
  
      # This can be called twice if '.pth' file bootstrapping works and
      # the 'autowrapt' wrapper script is still also used. We therefore
      # protect ourselves just in case it is called a second time as we
      # only want to force registration once.
  
      global _registered
  
      if _registered:
          return 
  
      _registered = True
  
      # It should be safe to import wrapt at this point as this code will
      # be executed after all Python module search directories have been
      # added to the module search path.
  
      from wrapt import discover_post_import_hooks
  
      for name in os.environ.get('AUTOWRAPT_BOOTSTRAP', '').split(','):
          discover_post_import_hooks(name)
docs: Discover and register all post import hooks named in the
      'AUTOWRAPT_BOOTSTRAP' environment variable. The value of the
      environment variable must be a comma separated list.