Viewing file:  exceptions.py (5.36 KB) -rw-r--r--
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from __future__ import annotations
from typing import Collection
class TOMLKitError(Exception):
pass
class ParseError(ValueError, TOMLKitError):
"""
This error occurs when the parser encounters a syntax error
in the TOML being parsed. The error references the line and
location within the line where the error was encountered.
"""
def __init__(self, line: int, col: int, message: str | None = None) -> None:
self._line = line
self._col = col
if message is None:
message = "TOML parse error"
super().__init__(f"{message} at line {self._line} col {self._col}")
@property
def line(self):
return self._line
@property
def col(self):
return self._col
class MixedArrayTypesError(ParseError):
"""
An array was found that had two or more element types.
"""
def __init__(self, line: int, col: int) -> None:
message = "Mixed types found in array"
super().__init__(line, col, message=message)
class InvalidNumberError(ParseError):
"""
A numeric field was improperly specified.
"""
def __init__(self, line: int, col: int) -> None:
message = "Invalid number"
super().__init__(line, col, message=message)
class InvalidDateTimeError(ParseError):
"""
A datetime field was improperly specified.
"""
def __init__(self, line: int, col: int) -> None:
message = "Invalid datetime"
super().__init__(line, col, message=message)
class InvalidDateError(ParseError):
"""
A date field was improperly specified.
"""
def __init__(self, line: int, col: int) -> None:
message = "Invalid date"
super().__init__(line, col, message=message)
class InvalidTimeError(ParseError):
"""
A date field was improperly specified.
"""
def __init__(self, line: int, col: int) -> None:
message = "Invalid time"
super().__init__(line, col, message=message)
class InvalidNumberOrDateError(ParseError):
"""
A numeric or date field was improperly specified.
"""
def __init__(self, line: int, col: int) -> None:
message = "Invalid number or date format"
super().__init__(line, col, message=message)
class InvalidUnicodeValueError(ParseError):
"""
A unicode code was improperly specified.
"""
def __init__(self, line: int, col: int) -> None:
message = "Invalid unicode value"
super().__init__(line, col, message=message)
class UnexpectedCharError(ParseError):
"""
An unexpected character was found during parsing.
"""
def __init__(self, line: int, col: int, char: str) -> None:
message = f"Unexpected character: {repr(char)}"
super().__init__(line, col, message=message)
class EmptyKeyError(ParseError):
"""
An empty key was found during parsing.
"""
def __init__(self, line: int, col: int) -> None:
message = "Empty key"
super().__init__(line, col, message=message)
class EmptyTableNameError(ParseError):
"""
An empty table name was found during parsing.
"""
def __init__(self, line: int, col: int) -> None:
message = "Empty table name"
super().__init__(line, col, message=message)
class InvalidCharInStringError(ParseError):
"""
The string being parsed contains an invalid character.
"""
def __init__(self, line: int, col: int, char: str) -> None:
message = f"Invalid character {repr(char)} in string"
super().__init__(line, col, message=message)
class UnexpectedEofError(ParseError):
"""
The TOML being parsed ended before the end of a statement.
"""
def __init__(self, line: int, col: int) -> None:
message = "Unexpected end of file"
super().__init__(line, col, message=message)
class InternalParserError(ParseError):
"""
An error that indicates a bug in the parser.
"""
def __init__(self, line: int, col: int, message: str | None = None) -> None:
msg = "Internal parser error"
if message:
msg += f" ({message})"
super().__init__(line, col, message=msg)
class NonExistentKey(KeyError, TOMLKitError):
"""
A non-existent key was used.
"""
def __init__(self, key):
message = f'Key "{key}" does not exist.'
super().__init__(message)
class KeyAlreadyPresent(TOMLKitError):
"""
An already present key was used.
"""
def __init__(self, key):
key = getattr(key, "key", key)
message = f'Key "{key}" already exists.'
super().__init__(message)
class InvalidControlChar(ParseError):
def __init__(self, line: int, col: int, char: int, type: str) -> None:
display_code = "\\u00"
if char < 16:
display_code += "0"
display_code += hex(char)[2:]
message = (
"Control characters (codes less than 0x1f and 0x7f)"
f" are not allowed in {type}, "
f"use {display_code} instead"
)
super().__init__(line, col, message=message)
class InvalidStringError(ValueError, TOMLKitError):
def __init__(self, value: str, invalid_sequences: Collection[str], delimiter: str):
repr_ = repr(value)[1:-1]
super().__init__(
f"Invalid string: {delimiter}{repr_}{delimiter}. "
f"The character sequences {invalid_sequences} are invalid."
)
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