__init__.py 文件源码

def username(self):
        """The name of the user that owns the process.
        On UNIX this is calculated by using *real* process uid.
        """
        if POSIX:
            if pwd is None:
                # might happen if python was installed from sources
                raise ImportError(
                    "requires pwd module shipped with standard python")
            real_uid = self.uids().real
            try:
                return pwd.getpwuid(real_uid).pw_name
            except KeyError:
                # the uid can't be resolved by the system
                return str(real_uid)
        else:
            return self._proc.username()