Staging
v0.8.1
v0.8.1
https://github.com/python/cpython
Tip revision: 114ee5dec0ba2163947833e793ece4173108e0d2 authored by Pablo Galindo on 03 November 2020, 00:00:12 UTC
Python 3.10.0a2
Python 3.10.0a2
Tip revision: 114ee5d
_abc.py
"""Subset of importlib.abc used to reduce importlib.util imports."""
from . import _bootstrap
import abc
class Loader(metaclass=abc.ABCMeta):
"""Abstract base class for import loaders."""
def create_module(self, spec):
"""Return a module to initialize and into which to load.
This method should raise ImportError if anything prevents it
from creating a new module. It may return None to indicate
that the spec should create the new module.
"""
# By default, defer to default semantics for the new module.
return None
# We don't define exec_module() here since that would break
# hasattr checks we do to support backward compatibility.
def load_module(self, fullname):
"""Return the loaded module.
The module must be added to sys.modules and have import-related
attributes set properly. The fullname is a str.
ImportError is raised on failure.
This method is deprecated in favor of loader.exec_module(). If
exec_module() exists then it is used to provide a backwards-compatible
functionality for this method.
"""
if not hasattr(self, 'exec_module'):
raise ImportError
return _bootstrap._load_module_shim(self, fullname)
def module_repr(self, module):
"""Return a module's repr.
Used by the module type when the method does not raise
NotImplementedError.
This method is deprecated.
"""
# The exception will cause ModuleType.__repr__ to ignore this method.
raise NotImplementedError