我们从Python开源项目中,提取了以下28个代码示例,用于说明如何使用_frozen_importlib._find_spec()。
def find_loader(name, path=None): """Return the loader for the specified module. This is a backward-compatible wrapper around find_spec(). This function is deprecated in favor of importlib.util.find_spec(). """ warnings.warn('Use importlib.util.find_spec() instead.', DeprecationWarning, stacklevel=2) try: loader = sys.modules[name].__loader__ if loader is None: raise ValueError('{}.__loader__ is None'.format(name)) else: return loader except KeyError: pass except AttributeError: raise ValueError('{}.__loader__ is not set'.format(name)) from None spec = _bootstrap._find_spec(name, path) # We won't worry about malformed specs (missing attributes). if spec is None: return None if spec.loader is None: if spec.submodule_search_locations is None: raise ImportError('spec for {} missing loader'.format(name), name=name) raise ImportError('namespace packages do not have loaders', name=name) return spec.loader
def find_loader(name, path=None): """Return the loader for the specified module. This is a backward-compatible wrapper around find_spec(). This function is deprecated in favor of importlib.util.find_spec(). """ warnings.warn('Use importlib.util.find_spec() instead.', DeprecationWarning, stacklevel=2) try: loader = sys.modules[name].__loader__ if loader is None: raise ValueError('{}.__loader__ is None'.format(name)) else: return loader except KeyError: pass except AttributeError: raise ValueError('{}.__loader__ is not set'.format(name)) spec = _bootstrap._find_spec(name, path) # We won't worry about malformed specs (missing attributes). if spec is None: return None if spec.loader is None: if spec.submodule_search_locations is None: raise ImportError('spec for {} missing loader'.format(name), name=name) raise ImportError('namespace packages do not have loaders', name=name) return spec.loader
def reload(module): """Reload the module and return it. The module must have been successfully imported before. """ if not module or not isinstance(module, types.ModuleType): raise TypeError("reload() argument must be a module") try: name = module.__spec__.name except AttributeError: name = module.__name__ if sys.modules.get(name) is not module: msg = "module {} not in sys.modules" raise ImportError(msg.format(name), name=name) if name in _RELOADING: return _RELOADING[name] _RELOADING[name] = module try: parent_name = name.rpartition('.')[0] if parent_name: try: parent = sys.modules[parent_name] except KeyError: msg = "parent {!r} not in sys.modules" raise ImportError(msg.format(parent_name), name=parent_name) from None else: pkgpath = parent.__path__ else: pkgpath = None target = module spec = module.__spec__ = _bootstrap._find_spec(name, pkgpath, target) _bootstrap._exec(spec, module) # The module may have replaced itself in sys.modules! return sys.modules[name] finally: try: del _RELOADING[name] except KeyError: pass
def reload(module): """Reload the module and return it. The module must have been successfully imported before. """ if not module or not isinstance(module, types.ModuleType): raise TypeError("reload() argument must be module") try: name = module.__spec__.name except AttributeError: name = module.__name__ if sys.modules.get(name) is not module: msg = "module {} not in sys.modules" raise ImportError(msg.format(name), name=name) if name in _RELOADING: return _RELOADING[name] _RELOADING[name] = module try: parent_name = name.rpartition('.')[0] if parent_name: try: parent = sys.modules[parent_name] except KeyError: msg = "parent {!r} not in sys.modules" raise ImportError(msg.format(parent_name), name=parent_name) from None else: pkgpath = parent.__path__ else: pkgpath = None target = module spec = module.__spec__ = _bootstrap._find_spec(name, pkgpath, target) _bootstrap._exec(spec, module) # The module may have replaced itself in sys.modules! return sys.modules[name] finally: try: del _RELOADING[name] except KeyError: pass
def reload(module): """Reload the module and return it. The module must have been successfully imported before. """ if not module or not isinstance(module, types.ModuleType): raise TypeError("reload() argument must be module") try: name = module.__spec__.name except AttributeError: name = module.__name__ if sys.modules.get(name) is not module: msg = "module {} not in sys.modules" raise ImportError(msg.format(name), name=name) if name in _RELOADING: return _RELOADING[name] _RELOADING[name] = module try: parent_name = name.rpartition('.')[0] if parent_name: try: parent = sys.modules[parent_name] except KeyError: msg = "parent {!r} not in sys.modules" raise ImportError(msg.format(parent_name), name=parent_name) else: pkgpath = parent.__path__ else: pkgpath = None target = module spec = module.__spec__ = _bootstrap._find_spec(name, pkgpath, target) methods = _bootstrap._SpecMethods(spec) methods.exec(module) # The module may have replaced itself in sys.modules! return sys.modules[name] finally: try: del _RELOADING[name] except KeyError: pass