docstr: Create a Watchdog file event handler that does different things for every file.
docstr_tok: ["Create","a","Watchdog","file","event","handler","that","does","different","things","for","every","file","."]
code: def _per_file_event_handler(
      self,
  ) -> "wd_events.FileSystemEventHandler":
      """Create a Watchdog file event handler that does different things for every file."""
      file_event_handler = wd_events.PatternMatchingEventHandler()
      file_event_handler.on_created = self._on_file_created
      file_event_handler.on_modified = self._on_file_modified
      file_event_handler.on_moved = self._on_file_moved
      file_event_handler._patterns = [
          os.path.join(self._dir, os.path.normpath("*"))
      ]
      # Ignore hidden files/folders
      #  TODO: what other files should we skip?
      file_event_handler._ignore_patterns = [
          "*.tmp",
          "*.wandb",
          "wandb-summary.json",
          os.path.join(self._dir, ".*"),
          os.path.join(self._dir, "*/.*"),
      ]
      for glb in self._settings.ignore_globs:
          file_event_handler._ignore_patterns.append(
              os.path.join(self._dir, glb)
          )
  
      return file_event_handler
  
imports: import abc
  import fnmatch
  import glob
  import logging
  import os
  import queue
  import time
  from typing import TYPE_CHECKING, Any, Mapping, MutableMapping, MutableSet, Optional
  from wandb import util
  from wandb.sdk.interface.interface import GlobStr
  from wandb.sdk.lib.paths import LogicalPath
label_desc: Use image node_id 4 for calling the DirWatcher obj's underlying member method code with example usage: obj._per_file_event_handler() and returns: file_event_handler