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class FPDFException(Exception):
pass
class FPDFPageFormatException(FPDFException):
"""Error is thrown when a bad page format is given"""
def __init__(self, argument: str, unknown: bool = False, one: bool = False) -> None:
super().__init__()
if unknown and one:
raise TypeError(
"FPDF Page Format Exception cannot be both for "
"unknown type and for wrong number of arguments"
)
self.argument = argument
self.unknown = unknown
self.one = one
def __repr__(self) -> str:
return (
f"{self.__class__.__name__}"
f"({self.argument!r}, {self.unknown!r}, {self.one!r})"
)
def __str__(self) -> str:
if self.unknown:
res = f"Unknown page format: {self.argument}"
elif self.one:
res = f"Only one argument given: {self.argument}. Need (height,width)"
else:
res = self.argument
return f"{self.__class__.__name__ }: {res}"
class FPDFUnicodeEncodingException(FPDFException):
"""Error is thrown when a character that cannot be encoded by the chosen encoder is provided"""
def __init__(self, text_index: int, character: str, font_name: str) -> None:
super().__init__()
self.text_index = text_index
self.character = character
self.font_name = font_name
def __repr__(self) -> str:
return f"{self.__class__.__name__}({repr(self.text_index), repr(self.character), repr(self.font_name)})"
def __str__(self) -> str:
return (
f'Character "{self.character}" at index {self.text_index} in text is outside the range of characters'
f' supported by the font used: "{self.font_name}".'
" Please consider using a Unicode font."
)
class ComplianceError(FPDFException):
"""Base class for standards-compliance violations (PDF/A, PDF/X, etc.)."""
class PDFAComplianceError(ComplianceError):
"""Raised when an operation would produce a PDF that violates the selected PDF/A profile."""
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