code: def render(pieces, style):
      """Render the given version pieces into the requested style."""
      if pieces["error"]:
          return {
              "version": "unknown",
              "full-revisionid": pieces.get("long"),
              "dirty": None,
              "error": pieces["error"],
              "date": None,
          }
  
      if not style or style == "default":
          style = "pep440"  # the default
  
      if style == "pep440":
          rendered = render_pep440(pieces)
      elif style == "pep440-branch":
          rendered = render_pep440_branch(pieces)
      elif style == "pep440-pre":
          rendered = render_pep440_pre(pieces)
      elif style == "pep440-post":
          rendered = render_pep440_post(pieces)
      elif style == "pep440-post-branch":
          rendered = render_pep440_post_branch(pieces)
      elif style == "pep440-old":
          rendered = render_pep440_old(pieces)
      elif style == "git-describe":
          rendered = render_git_describe(pieces)
      elif style == "git-describe-long":
          rendered = render_git_describe_long(pieces)
      else:
          raise ValueError("unknown style '%s'" % style)
  
      return {
          "version": rendered,
          "full-revisionid": pieces["long"],
          "dirty": pieces["dirty"],
          "error": None,
          "date": pieces.get("date"),
      }
  
imports: import errno
  import functools
  import os
  import re
  import subprocess
  import sys
  from typing import Callable, Dict
label_desc: Use image node_id 19 for calling a global function with example usage: render(pieces, style) and returns: dict, dict