import sys
import os
import ctypes.util

lookup_path = "C:\\Windows\\system32"
dll_file = os.path.join(lookup_path, "OpenAL32.dll")

print("Python build: %s" % sys.version)

print("Path '%s' exists in $PATH: %s" % (lookup_path, lookup_path in os.environ["PATH"].split(os.pathsep)))
print("File '%s' exists: %s" % (dll_file, os.path.exists(dll_file) and os.path.isfile(dll_file)))

print("ctypes says for '%s': %s" % ("OpenAL32.dll", ctypes.util.find_library("OpenAL32.dll")))
print("ctypes says for '%s': %s" % ("OpenAL32", ctypes.util.find_library("OpenAL32")))