code: def get_git_hash():
      def _minimal_ext_cmd(cmd):
          # construct minimal environment
          env = {}
          for k in ["SYSTEMROOT", "PATH", "HOME"]:
              v = os.environ.get(k)
              if v is not None:
                  env[k] = v
          # LANGUAGE is used on win32
          env["LANGUAGE"] = "C"
          env["LANG"] = "C"
          env["LC_ALL"] = "C"
          out = subprocess.Popen(
              cmd, stdout=subprocess.PIPE, env=env
          ).communicate()[0]
          return out
  
      try:
          out = _minimal_ext_cmd(["git", "rev-parse", "HEAD"])
          sha = out.strip().decode("ascii")
      except OSError:
          sha = "unknown"
  
      return sha
  
file_path: norfair/demos/alphapose/setup.py
imports: import os
  import platform
  import subprocess
  import time
  import numpy
  from Cython.Build import cythonize
  from setuptools import Extension, find_packages, setup
  from torch.utils.cpp_extension import BuildExtension, CUDAExtension
label_desc: Use image node_id 2 for calling a global function with example usage: get_git_hash() and returns: sha, out