code: def build_from_source():
      code_path = bigdl_home + "/python/orca/src/bigdl/orca/common.py"
      print("Checking: %s to see if build from source" % code_path)
      if os.path.exists(code_path):
          return True
      return False
  
file_path: BigDL/python/orca/src/setup.py
imports: import os
  import sys
  import fnmatch
  from shutil import copyfile, copytree, rmtree
  from setuptools import setup
label_desc: Use image node_id 1 for calling a global function with example usage: build_from_source() and returns: False, True