Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/ijson-3.2.0.post0-py3.8-linux-x86_64.egg/ijson/backends/yajl.py: 13%

1''' 

2Wrapper for YAJL C library version 1.x. 

3''' 

4 

5from ctypes import Structure, c_uint, byref 

6 

7from ijson import common, utils 

8from ijson.backends import _yajl2_ctypes_common 

9 

10 

11yajl = _yajl2_ctypes_common.get_yajl(1) 

12 

13class Config(Structure): 

14 _fields_ = [ 

15 ("allowComments", c_uint), 

16 ("checkUTF8", c_uint) 

17 ] 

18 

19 

20@utils.coroutine 

21def basic_parse_basecoro(target, allow_comments=False, multiple_values=False, 

22 use_float=False): 

23 ''' 

24 Iterator yielding unprefixed events. 

25 

26 Parameters: 

27 

28 - f: a readable file-like object with JSON input 

29 - allow_comments: tells parser to allow comments in JSON input 

30 - check_utf8: if True, parser will cause an error if input is invalid utf-8 

31 - buf_size: a size of an input buffer 

32 ''' 

33 if multiple_values: 

34 raise ValueError("yajl backend doesn't support multiple_values") 

35 callbacks = _yajl2_ctypes_common.make_callbaks(target.send, use_float, 1) 

36 config = Config(allow_comments, True) 

37 handle = yajl.yajl_alloc(byref(callbacks), byref(config), None, None) 

38 try: 

39 while True: 

40 try: 

41 buffer = (yield) 

42 except GeneratorExit: 

43 buffer = b'' 

44 if buffer: 

45 result = yajl.yajl_parse(handle, buffer, len(buffer)) 

46 else: 

47 result = yajl.yajl_parse_complete(handle) 

48 if result == _yajl2_ctypes_common.YAJL_ERROR: 

49 error = _yajl2_ctypes_common.yajl_get_error(yajl, handle, buffer) 

50 raise common.JSONError(error) 

51 elif not buffer: 

52 if result == _yajl2_ctypes_common.YAJL_INSUFFICIENT_DATA: 

53 raise common.IncompleteJSONError('Incomplete JSON data') 

54 break 

55 finally: 

56 yajl.yajl_free(handle) 

57 

58 

59common.enrich_backend(globals())