Coverage for d7a/alp/operands/file_header.py: 83%

18 statements  

« prev     ^ index     » next       coverage.py v7.5.0, created at 2024-05-24 08:03 +0200

1# 

2# Copyright (c) 2015-2021 University of Antwerp, Aloxy NV. 

3# 

4# This file is part of pyd7a. 

5# See https://github.com/Sub-IoT/pyd7a for further info. 

6# 

7# Licensed under the Apache License, Version 2.0 (the "License"); 

8# you may not use this file except in compliance with the License. 

9# You may obtain a copy of the License at 

10# 

11# http://www.apache.org/licenses/LICENSE-2.0 

12# 

13# Unless required by applicable law or agreed to in writing, software 

14# distributed under the License is distributed on an "AS IS" BASIS, 

15# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

16# See the License for the specific language governing permissions and 

17# limitations under the License. 

18# 

19from d7a.fs.file_header import FileHeader 

20from d7a.support.schema import Validatable, Types 

21 

22 

23class FileHeaderOperand(Validatable): 

24 

25 SCHEMA = [{ 

26 "file_id": Types.BYTE(), 

27 "file_header": Types.OBJECT(FileHeader) 

28 }] 

29 

30 def __init__(self, file_id, file_header): 

31 self.file_id = file_id 

32 self.file_header = file_header 

33 super(FileHeaderOperand, self).__init__() 

34 

35 def __iter__(self): 

36 yield self.file_id 

37 for byte in self.file_header: yield byte 

38 

39 @staticmethod 

40 def parse(s): 

41 file_id = s.read("uint:8") 

42 file_header = FileHeader.parse(s) 

43 return FileHeaderOperand(file_id=file_id, file_header=file_header) 

44 

45 def __str__(self): 

46 return "file-id={}, header={}".format(self.file_id, self.file_header)