26     def __init__(self, mod_name):  argument
27         self.mod_name = mod_name
28         self.module = types.ModuleType(mod_name)
32         mod_name = self.mod_name
34             self._saved_module.append(sys.modules[mod_name])
37         sys.modules[mod_name] = self.module
42             sys.modules[self.mod_name] = self._saved_module[0]
44             del sys.modules[self.mod_name]
64               mod_name=None, mod_spec=None,  argument
79     run_globals.update(__name__ = mod_name,
90                     mod_name=None, mod_spec=None,  argument
94     with _TempModule(mod_name) as temp_module, _ModifiedArgv0(fname):
97                   mod_name, mod_spec, pkg_name, script_name)
103 def _get_module_details(mod_name, error=ImportError):  argument
104     if mod_name.startswith("."):
106     pkg_name, _, _ = mod_name.rpartition(".")
119         existing = sys.modules.get(mod_name)
125                 "behaviour".format(mod_name=mod_name, pkg_name=pkg_name)
129         spec = importlib.util.find_spec(mod_name)
135         if mod_name.endswith(".py"):
138         raise error(msg.format(mod_name, type(ex).__name__, ex)) from ex
140         raise error("No module named %s" % mod_name)
142         if mod_name == "__main__" or mod_name.endswith(".__main__"):
145             pkg_main_name = mod_name + ".__main__"
148             if mod_name not in sys.modules:
151                                "be directly executed") %(e, mod_name))
155                                                                  % mod_name)
157         code = loader.get_code(mod_name)
161         raise error("No code object available for %s" % mod_name)
162     return mod_name, spec, code
171 def _run_module_as_main(mod_name, alter_argv=True):  argument
186         if alter_argv or mod_name != "__main__": # i.e. -m switch
187             mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
189             mod_name, mod_spec, code = _get_main_module_details(_Error)
199 def run_module(mod_name, init_globals=None,  argument
205     mod_name, mod_spec, code = _get_module_details(mod_name)
207         run_name = mod_name
282             mod_name, mod_spec, code = _get_main_module_details()