Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/aiohttp/http_exceptions.py: 59%

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

2 

3from textwrap import indent 

4 

5from .typedefs import _CIMultiDict 

6 

7__all__ = ("HttpProcessingError",) 

8 

9 

10class HttpProcessingError(Exception): 

11 """HTTP error. 

12 

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

14 

15 code: HTTP Error code. 

16 message: (optional) Error message. 

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

18 """ 

19 

20 code = 0 

21 message = "" 

22 headers = None 

23 

24 def __init__( 

25 self, 

26 *, 

27 code: int | None = None, 

28 message: str = "", 

29 headers: _CIMultiDict | None = None, 

30 ) -> None: 

31 if code is not None: 

32 self.code = code 

33 self.headers = headers 

34 self.message = message 

35 

36 def __str__(self) -> str: 

37 msg = indent(self.message, " ") 

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

39 

40 def __repr__(self) -> str: 

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

42 

43 

44class BadHttpMessage(HttpProcessingError): 

45 

46 code = 400 

47 message = "Bad Request" 

48 

49 def __init__(self, message: str, *, headers: _CIMultiDict | None = 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 to satisfy content length header.""" 

74 

75 

76class DecompressSizeError(PayloadEncodingError): 

77 """Deprecated. Removed in v4.""" 

78 

79 

80class LineTooLong(BadHttpMessage): 

81 def __init__( 

82 self, 

83 line: str | bytes, 

84 limit: str | int = "Unknown", 

85 actual_size: str = "Unknown", 

86 ) -> None: 

87 super().__init__(f"Got more than {limit} bytes when reading: {line!r}.") 

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

89 

90 

91class InvalidHeader(BadHttpMessage): 

92 def __init__(self, hdr: bytes | str) -> None: 

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

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

95 self.hdr = hdr_s 

96 self.args = (hdr,) 

97 

98 

99class BadStatusLine(BadHttpMessage): 

100 def __init__(self, line: str = "", error: str | None = None) -> None: 

101 if not isinstance(line, str): 

102 line = repr(line) 

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

104 self.args = (line,) 

105 self.line = line 

106 

107 

108class BadHttpMethod(BadStatusLine): 

109 """Invalid HTTP method in status line.""" 

110 

111 def __init__(self, line: str = "", error: str | None = None) -> None: 

112 if error is None and line.startswith("\x16\x03"): 

113 error = "Received HTTPS traffic on an HTTP port" 

114 super().__init__(line, error or f"Bad HTTP method in status line {line!r}") 

115 

116 

117class InvalidURLError(BadHttpMessage): 

118 pass