code: def pv_library_path(relative):
      if _PV_SYSTEM == "Darwin":
          if _PV_MACHINE == "x86_64":
              return os.path.join(
                  os.path.dirname(__file__),
                  relative,
                  "lib/mac/x86_64/libpv_porcupine.dylib",
              )
          elif _PV_MACHINE == "arm64":
              return os.path.join(
                  os.path.dirname(__file__),
                  relative,
                  "lib/mac/arm64/libpv_porcupine.dylib",
              )
      elif _PV_SYSTEM == "Linux":
          if _PV_MACHINE == "x86_64":
              return os.path.join(
                  os.path.dirname(__file__),
                  relative,
                  "lib/linux/x86_64/libpv_porcupine.so",
              )
          elif _PV_MACHINE in _JETSON_MACHINES:
              return os.path.join(
                  os.path.dirname(__file__),
                  relative,
                  "lib/jetson/%s/libpv_porcupine.so" % _PV_MACHINE,
              )
          elif _PV_MACHINE in _RASPBERRY_PI_MACHINES:
              return os.path.join(
                  os.path.dirname(__file__),
                  relative,
                  "lib/raspberry-pi/%s/libpv_porcupine.so"
                  % _PV_MACHINE,
              )
          elif _PV_MACHINE == "beaglebone":
              return os.path.join(
                  os.path.dirname(__file__),
                  relative,
                  "lib/beaglebone/libpv_porcupine.so",
              )
      elif _PV_SYSTEM == "Windows":
          return os.path.join(
              os.path.dirname(__file__),
              relative,
              "lib/windows/amd64/libpv_porcupine.dll",
          )
  
      raise NotImplementedError("Unsupported platform.")
  
file_path: porcupine/binding/python/_util.py
imports: import logging
  import os
  import platform
  import subprocess
label_desc: Use image node_id 4 for calling a global function with example usage: pv_library_path(relative) and returns: os, os, os, os, os, os, os