Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/aiohttp/http_exceptions.py: 59%

1"""Low-level http related exceptions.""" 

2 

3 

4from typing import Optional, Union 

5 

6from .typedefs import _CIMultiDict 

7 

8__all__ = ("HttpProcessingError",) 

9 

10 

11class HttpProcessingError(Exception): 

12 """HTTP error. 

13 

14 Shortcut for raising HTTP errors with custom code, message and headers. 

15 

16 code: HTTP Error code. 

17 message: (optional) Error message. 

18 headers: (optional) Headers to be sent in response, a list of pairs 

19 """ 

20 

21 code = 0 

22 message = "" 

23 headers = None 

24 

25 def __init__( 

26 self, 

27 *, 

28 code: Optional[int] = None, 

29 message: str = "", 

30 headers: Optional[_CIMultiDict] = None, 

31 ) -> None: 

32 if code is not None: 

33 self.code = code 

34 self.headers = headers 

35 self.message = message 

36 

37 def __str__(self) -> str: 

38 return f"{self.code}, message={self.message!r}" 

39 

40 def __repr__(self) -> str: 

41 return f"<{self.__class__.__name__}: {self}>" 

42 

43 

44class BadHttpMessage(HttpProcessingError): 

45 

46 code = 400 

47 message = "Bad Request" 

48 

49 def __init__(self, message: str, *, headers: Optional[_CIMultiDict] = None) -> None: 

50 super().__init__(message=message, headers=headers) 

51 self.args = (message,) 

52 

53 

54class HttpBadRequest(BadHttpMessage): 

55 

56 code = 400 

57 message = "Bad Request" 

58 

59 

60class PayloadEncodingError(BadHttpMessage): 

61 """Base class for payload errors""" 

62 

63 

64class ContentEncodingError(PayloadEncodingError): 

65 """Content encoding error.""" 

66 

67 

68class TransferEncodingError(PayloadEncodingError): 

69 """transfer encoding error.""" 

70 

71 

72class ContentLengthError(PayloadEncodingError): 

73 """Not enough data for satisfy content length header.""" 

74 

75 

76class LineTooLong(BadHttpMessage): 

77 def __init__( 

78 self, line: str, limit: str = "Unknown", actual_size: str = "Unknown" 

79 ) -> None: 

80 super().__init__( 

81 f"Got more than {limit} bytes ({actual_size}) when reading {line}." 

82 ) 

83 self.args = (line, limit, actual_size) 

84 

85 

86class InvalidHeader(BadHttpMessage): 

87 def __init__(self, hdr: Union[bytes, str]) -> None: 

88 if isinstance(hdr, bytes): 

89 hdr = hdr.decode("utf-8", "surrogateescape") 

90 super().__init__(f"Invalid HTTP Header: {hdr}") 

91 self.hdr = hdr 

92 self.args = (hdr,) 

93 

94 

95class BadStatusLine(BadHttpMessage): 

96 def __init__(self, line: str = "") -> None: 

97 if not isinstance(line, str): 

98 line = repr(line) 

99 super().__init__(f"Bad status line {line!r}") 

100 self.args = (line,) 

101 self.line = line 

102 

103 

104class InvalidURLError(BadHttpMessage): 

105 pass