Coverage for /pythoncovmergedfiles/medio/medio/src/aiohttp/aiohttp/http_exceptions.py: 90%

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

2 

3 

4from textwrap import indent 

5from typing import Optional, Union 

6 

7from .typedefs import _CIMultiDict 

8 

9__all__ = ("HttpProcessingError",) 

10 

11 

12class HttpProcessingError(Exception): 

13 """HTTP error. 

14 

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

16 

17 code: HTTP Error code. 

18 message: (optional) Error message. 

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

20 """ 

21 

22 code = 0 

23 message = "" 

24 headers = None 

25 

26 def __init__( 

27 self, 

28 *, 

29 code: Optional[int] = None, 

30 message: str = "", 

31 headers: Optional[_CIMultiDict] = None, 

32 ) -> None: 

33 if code is not None: 

34 self.code = code 

35 self.headers = headers 

36 self.message = message 

37 

38 def __str__(self) -> str: 

39 msg = indent(self.message, " ") 

40 return f"{self.code}, message:\n{msg}" 

41 

42 def __repr__(self) -> str: 

43 return f"<{self.__class__.__name__}: {self.code}, message={self.message!r}>" 

44 

45 

46class BadHttpMessage(HttpProcessingError): 

47 code = 400 

48 message = "Bad Request" 

49 

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

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

52 self.args = (message,) 

53 

54 

55class HttpBadRequest(BadHttpMessage): 

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 hdr_s = hdr.decode(errors="backslashreplace") if isinstance(hdr, bytes) else hdr 

89 super().__init__(f"Invalid HTTP header: {hdr!r}") 

90 self.hdr = hdr_s 

91 self.args = (hdr,) 

92 

93 

94class BadStatusLine(BadHttpMessage): 

95 def __init__(self, line: str = "", error: Optional[str] = None) -> None: 

96 if not isinstance(line, str): 

97 line = repr(line) 

98 super().__init__(error or f"Bad status line {line!r}") 

99 self.args = (line,) 

100 self.line = line 

101 

102 

103class InvalidURLError(BadHttpMessage): 

104 pass