106     # 'fullname', or whether it could be a portion of a namespace
110     def find_loader(self, fullname, path=None):  argument
111         """find_loader(fullname, path=None) -> self, str or None.
113         Search for a module specified by 'fullname'. 'fullname' must be the
125         mi = _get_module_info(self, fullname)
133         # We're only interested in the last path component of fullname
135         modpath = _get_module_path(self, fullname)
146     # 'fullname'. Return self if we can, None if we can't.
147     def find_module(self, fullname, path=None):  argument
148         """find_module(fullname, path=None) -> self or None.
150         Search for a module specified by 'fullname'. 'fullname' must be the
161         return self.find_loader(fullname, path)[0]
163     def find_spec(self, fullname, target=None):  argument
168         module_info = _get_module_info(self, fullname)
170             return _bootstrap.spec_from_loader(fullname, self, is_package=module_info)
175             # We're only interested in the last path component of fullname
177             modpath = _get_module_path(self, fullname)
183                 spec = _bootstrap.ModuleSpec(name=fullname, loader=None,
190     def get_code(self, fullname):  argument
191         """get_code(fullname) -> code object.
196         code, ispackage, modpath = _get_module_code(self, fullname)
221     def get_filename(self, fullname):  argument
222         """get_filename(fullname) -> filename string.
229         code, ispackage, modpath = _get_module_code(self, fullname)
233     def get_source(self, fullname):  argument
234         """get_source(fullname) -> source string.
240         mi = _get_module_info(self, fullname)
242             raise ZipImportError(f"can't find module {fullname!r}", name=fullname)
244         path = _get_module_path(self, fullname)
259     def is_package(self, fullname):  argument
260         """is_package(fullname) -> bool.
262         Return True if the module specified by fullname is a package.
265         mi = _get_module_info(self, fullname)
267             raise ZipImportError(f"can't find module {fullname!r}", name=fullname)
271     # Load and return the module named by 'fullname'.
272     def load_module(self, fullname):  argument
273         """load_module(fullname) -> module.
275         Load the module specified by 'fullname'. 'fullname' must be the
284         code, ispackage, modpath = _get_module_code(self, fullname)
285         mod = sys.modules.get(fullname)
287             mod = _module_type(fullname)
288             sys.modules[fullname] = mod
295                 path = _get_module_path(self, fullname)
301             _bootstrap_external._fix_up_module(mod.__dict__, fullname, modpath)
304             del sys.modules[fullname]
308             mod = sys.modules[fullname]
310             raise ImportError(f'Loaded module {fullname!r} not found in sys.modules')
311         _bootstrap._verbose_message('import {} # loaded from Zip {}', fullname, modpath)
315     def get_resource_reader(self, fullname):  argument
318         If 'fullname' is a package within the zip file, return the
322             if not self.is_package(fullname):
327         return ZipReader(self, fullname)
358 def _get_module_path(self, fullname):  argument
359     return self.prefix + fullname.rpartition('.')[2]
371 def _get_module_info(self, fullname):  argument
372     path = _get_module_path(self, fullname)
635 def _unmarshal_code(self, pathname, fullpath, fullname, data):  argument
637         'name': fullname,
641     flags = _bootstrap_external._classify_pyc(data, fullname, exc_details)
656                     data, source_hash, fullname, exc_details)
667                     f'bytecode is stale for {fullname!r}')
739 # 'fullname'.
740 def _get_module_code(self, fullname):  argument
741     path = _get_module_path(self, fullname)
756                     code = _unmarshal_code(self, modpath, fullpath, fullname, data)
770             raise ZipImportError(msg, name=fullname) from import_error
772             raise ZipImportError(f"can't find module {fullname!r}", name=fullname)