1  """The machinery of importlib: finders, loaders, hooks, etc."""
       2  
       3  from ._bootstrap import ModuleSpec
       4  from ._bootstrap import BuiltinImporter
       5  from ._bootstrap import FrozenImporter
       6  from ._bootstrap_external import (SOURCE_SUFFIXES, DEBUG_BYTECODE_SUFFIXES,
       7                       OPTIMIZED_BYTECODE_SUFFIXES, BYTECODE_SUFFIXES,
       8                       EXTENSION_SUFFIXES)
       9  from ._bootstrap_external import WindowsRegistryFinder
      10  from ._bootstrap_external import PathFinder
      11  from ._bootstrap_external import FileFinder
      12  from ._bootstrap_external import SourceFileLoader
      13  from ._bootstrap_external import SourcelessFileLoader
      14  from ._bootstrap_external import ExtensionFileLoader
      15  from ._bootstrap_external import NamespaceLoader
      16  
      17  
      18  def all_suffixes():
      19      """Returns a list of all recognized module suffixes for this process"""
      20      return SOURCE_SUFFIXES + BYTECODE_SUFFIXES + EXTENSION_SUFFIXES