How to use the awscli.customizations.s3.filegenerator.FileStat function in awscli

'dest': {'path': '', 'type': 'local'},
                         'dir_op': True, 'use_src_name': True}
        params = {'region': 'us-east-1'}
        files = FileGenerator(self.client, '').call(input_s3_file)

        self.parsed_responses = [{
            "CommonPrefixes": [], "Contents": [
                {"Key": "another_directory/text2.txt", "Size": 100,
                 "LastModified": "2014-01-09T20:45:49.000Z"},
                {"Key": "text1.txt", "Size": 10,
                 "LastModified": "2013-01-09T20:45:49.000Z"}]}]
        self.patch_make_request()
        result_list = []
        for filename in files:
            result_list.append(filename)
        file_stat = FileStat(src=self.file2,
                             dest='another_directory' + os.sep +
                             'text2.txt',
                             compare_key='another_directory/text2.txt',
                             size=result_list[0].size,
                             last_update=result_list[0].last_update,
                             src_type='s3',
                             dest_type='local', operation_name='')
        file_stat2 = FileStat(src=self.file1,
                              dest='text1.txt',
                              compare_key='text1.txt',
                              size=result_list[1].size,
                              last_update=result_list[1].last_update,
                              src_type='s3',
                              dest_type='local', operation_name='')

        ref_list = [file_stat, file_stat2]

def test_compare_size_only_src_older_than_dest(self):
        """
        Confirm that files with the same size but different update times are not
        synced when `size_only` is set.
        """
        time_dst = datetime.datetime.now()
        time_src = time_dst + datetime.timedelta(days=1)

        src_file = FileStat(src='', dest='',
                            compare_key='test.py', size=10,
                            last_update=time_src, src_type='local',
                            dest_type='s3', operation_name='upload')

        dst_file = FileStat(src='', dest='',
                            compare_key='test.py', size=10,
                            last_update=time_dst, src_type='s3',
                            dest_type='local', operation_name='')

        files = self.comparator.call(iter([src_file]), iter([dst_file]))
        self.assertEqual(sum(1 for _ in files), 0)

src=self.bucket + '/another_directory/',
            dest='another_directory' + os.sep,
            compare_key='another_directory/',
            size=0,
            last_update=result_list[0].last_update,
            src_type='s3',
            dest_type='local', operation_name='delete')
        file_stat2 = FileStat(
            src=self.file2,
            dest='another_directory' + os.sep + 'text2.txt',
            compare_key='another_directory/text2.txt',
            size=21,
            last_update=result_list[1].last_update,
            src_type='s3',
            dest_type='local', operation_name='delete')
        file_stat3 = FileStat(
            src=self.file1,
            dest='text1.txt',
            compare_key='text1.txt',
            size=15,
            last_update=result_list[2].last_update,
            src_type='s3',
            dest_type='local', operation_name='delete')

        expected_list = [file_stat1, file_stat2, file_stat3]
        self.assertEqual(len(result_list), 3)
        compare_files(self, result_list[0], expected_list[0])
        compare_files(self, result_list[1], expected_list[1])
        compare_files(self, result_list[2], expected_list[2])

def test_compare_lastmod_copy(self):
        """
        Confirms compare time works for copies
        """
        src_files = []
        dest_files = []
        ref_list = []
        result_list = []
        time = datetime.datetime.now()
        future_time = time + datetime.timedelta(0, 3)
        src_file = FileStat(src='', dest='',
                            compare_key='comparator_test.py', size=10,
                            last_update=future_time, src_type='s3',
                            dest_type='s3', operation_name='copy')
        dest_file = FileStat(src='', dest='',
                             compare_key='comparator_test.py', size=10,
                             last_update=time, src_type='s3',
                             dest_type='s3', operation_name='')
        src_files.append(src_file)
        dest_files.append(dest_file)
        files = self.comparator.call(iter(src_files), iter(dest_files))
        ref_list.append(src_file)
        for filename in files:
            result_list.append(filename)
        self.assertEqual(result_list, ref_list)

def test_local_directory(self):
        """
        Generate an entire local directory.
        """
        input_local_dir = {'src': {'path': self.local_dir,
                                   'type': 'local'},
                           'dest': {'path': 'bucket/',
                                    'type': 's3'},
                           'dir_op': True, 'use_src_name': True}
        params = {'region': 'us-east-1'}
        files = FileGenerator(self.client, '').call(input_local_dir)
        result_list = []
        for filename in files:
            result_list.append(filename)
        size, last_update = get_file_stat(self.local_file)
        file_stat = FileStat(src=self.local_file, dest='bucket/text1.txt',
                             compare_key='text1.txt', size=size,
                             last_update=last_update, src_type='local',
                             dest_type='s3', operation_name='')
        path = self.local_dir + 'another_directory' + os.sep \
            + 'text2.txt'
        size, last_update = get_file_stat(path)
        file_stat2 = FileStat(src=path,
                              dest='bucket/another_directory/text2.txt',
                              compare_key='another_directory/text2.txt',
                              size=size, last_update=last_update,
                              src_type='local',
                              dest_type='s3', operation_name='')
        ref_list = [file_stat2, file_stat]
        self.assertEqual(len(result_list), len(ref_list))
        for i in range(len(result_list)):
            compare_files(self, result_list[i], ref_list[i])

def test_compare_exact_timestamps_diff_age_not_download(self):
        """
        Confirm that same sized files are synced when the timestamps differ,
        the type of operation is not a download, and ``exact_timestamps``
        is set.
        """
        time_src = datetime.datetime.now()
        time_dst = time_src - datetime.timedelta(days=1)

        src_file = FileStat(src='', dest='',
                            compare_key='test.py', size=10,
                            last_update=time_src, src_type='s3',
                            dest_type='local', operation_name='upload')

        dst_file = FileStat(src='', dest='',
                            compare_key='test.py', size=10,
                            last_update=time_dst, src_type='local',
                            dest_type='s3', operation_name='')

        should_sync = self.sync_strategy.determine_should_sync(
            src_file, dst_file)
        self.assertTrue(should_sync)

def test_compare_size(self):
        """
        Confirms compare size works.
        """
        time = datetime.datetime.now()
        src_file = FileStat(src='', dest='',
                            compare_key='comparator_test.py', size=11,
                            last_update=time, src_type='local',
                            dest_type='s3', operation_name='upload')
        dest_file = FileStat(src='', dest='',
                             compare_key='comparator_test.py', size=10,
                             last_update=time, src_type='s3',
                             dest_type='local', operation_name='')
        should_sync = self.sync_strategy.determine_should_sync(
            src_file, dest_file)
        self.assertTrue(should_sync)

def test_compare_exact_timestamps_same_age_same_size(self):
        """
        Confirm that same-sized files are not synced when
        the source and destination are the same age and
        `exact_timestamps` is set.
        """
        time_both = datetime.datetime.now()

        src_file = FileStat(src='', dest='',
                            compare_key='test.py', size=10,
                            last_update=time_both, src_type='s3',
                            dest_type='local', operation_name='download')

        dst_file = FileStat(src='', dest='',
                            compare_key='test.py', size=10,
                            last_update=time_both, src_type='local',
                            dest_type='s3', operation_name='')

        files = self.comparator.call(iter([src_file]), iter([dst_file]))
        self.assertEqual(sum(1 for _ in files), 0)

def test_compare_key_equal(self):
        """
        Confirms checking compare key works.
        """
        src_files = []
        dest_files = []
        ref_list = []
        result_list = []
        time = datetime.datetime.now()
        src_file = FileStat(src='', dest='',
                            compare_key='comparator_test.py', size=10,
                            last_update=time, src_type='local',
                            dest_type='s3', operation_name='upload')
        dest_file = FileStat(src='', dest='',
                             compare_key='comparator_test.py', size=10,
                             last_update=time, src_type='s3',
                             dest_type='local', operation_name='')
        src_files.append(src_file)
        dest_files.append(dest_file)
        files = self.comparator.call(iter(src_files), iter(dest_files))
        for filename in files:
            result_list.append(filename)
        self.assertEqual(result_list, ref_list)

def test_empty_dest(self):
        """
        Confirm the appropriate action is taken when there are no more dest
        files to take.
        """
        src_files = []
        dest_files = []
        ref_list = []
        result_list = []
        time = datetime.datetime.now()
        src_file = FileStat(src='', dest='',
                            compare_key='domparator_test.py', size=10,
                            last_update=time, src_type='local',
                            dest_type='s3', operation_name='upload')
        src_files.append(src_file)
        ref_list.append(src_file)
        files = self.comparator.call(iter(src_files), iter(dest_files))
        for filename in files:
            result_list.append(filename)
        self.assertEqual(result_list, ref_list)