code: def render_pep440_post(pieces: Dict[str, Any]) -> str:
      """TAG[.postDISTANCE[.dev0]+gHEX] .
  
      The ".dev0" means dirty. Note that .dev0 sorts backwards
      (a dirty tree will appear "older" than the corresponding clean one),
      but you shouldn't be releasing software with -dirty anyways.
  
      Exceptions:
      1: no tags. 0.postDISTANCE[.dev0]
      """
      if pieces["closest-tag"]:
          rendered = pieces["closest-tag"]
          if pieces["distance"] or pieces["dirty"]:
              rendered += ".post%d" % pieces["distance"]
              if pieces["dirty"]:
                  rendered += ".dev0"
              rendered += plus_or_dot(pieces)
              rendered += "g%s" % pieces["short"]
      else:
          # exception #1
          rendered = "0.post%d" % pieces["distance"]
          if pieces["dirty"]:
              rendered += ".dev0"
          rendered += "+g%s" % pieces["short"]
      return rendered
  
imports: import configparser
  import errno
  import json
  import os
  import re
  import subprocess
  import sys
  from pathlib import Path
  from typing import Any, Callable, cast, Dict, List, Optional, Tuple, Union
  from typing import NoReturn
  import functools
label_desc: Use image node_id 17 for calling a global function with example usage: render_pep440_post(pieces) and returns: rendered