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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _handle_state_decls(self, state, sls, saltenv, errors):
        '''
        Add sls and saltenv components to the state
        '''
        for name in state:
            if not isinstance(state[name], dict):
                if name == '__extend__':
                    continue
                if name == '__exclude__':
                    continue

                if isinstance(state[name], six.string_types):
                    # Is this is a short state, it needs to be padded
                    if '.' in state[name]:
                        comps = state[name].split('.')
                        state[name] = {'__sls__': sls,
                                       '__env__': saltenv,
                                       comps[0]: [comps[1]]}
                        continue
                errors.append(
                    'ID {0} in SLS {1} is not a dictionary'.format(name, sls)
                )
                continue
            skeys = set()
            for key in list(state[name]):
                if key.startswith('_'):
                    continue
                if not isinstance(state[name][key], list):
                    continue
                if '.' in key:
                    comps = key.split('.')
                    # Salt doesn't support state files such as:
                    #
                    #     /etc/redis/redis.conf:
                    #       file.managed:
                    #         - source: salt://redis/redis.conf
                    #         - user: redis
                    #         - group: redis
                    #         - mode: 644
                    #       file.comment:
                    #           - regex: ^requirepass
                    if comps[0] in skeys:
                        errors.append(
                            'ID \'{0}\' in SLS \'{1}\' contains multiple state '
                            'declarations of the same type'.format(name, sls)
                        )
                        continue
                    state[name][comps[0]] = state[name].pop(key)
                    state[name][comps[0]].append(comps[1])
                    skeys.add(comps[0])
                    continue
                skeys.add(key)
            if '__sls__' not in state[name]:
                state[name]['__sls__'] = sls
            if '__env__' not in state[name]:
                state[name]['__env__'] = saltenv