code: def render_pep440_pre(pieces):
      """TAG[.post.devDISTANCE] -- No -dirty.
  
      Exceptions:
      1: no tags. 0.post.devDISTANCE
      """
      if pieces["closest-tag"]:
          rendered = pieces["closest-tag"]
          if pieces["distance"]:
              rendered += ".post.dev%d" % pieces["distance"]
      else:
          # exception #1
          rendered = "0.post.dev%d" % pieces["distance"]
      return rendered
  
imports: from __future__ import print_function
  import errno
  import json
  import os
  import re
  import subprocess
  import sys
label_desc: Use image node_id 14 for calling a global function with example usage: render_pep440_pre(pieces) and returns: rendered