异常和错误

All errors/exceptions pypdf raises and all of the warnings it uses.

Please note that broken PDF files might cause other Exceptions.

exception pypdf.errors.DeprecationError

基类：Exception

Raised when a deprecated feature is used.

exception pypdf.errors.DependencyError

基类：Exception

Raised when a required dependency (a library or module that PyPDF depends on) is not available or cannot be imported.

exception pypdf.errors.PyPdfError

基类：Exception

Base class for all exceptions raised by PyPDF.

exception pypdf.errors.PdfReadError

基类：PyPdfError

Raised when there is an issue reading a PDF file.

exception pypdf.errors.PageSizeNotDefinedError

基类：PyPdfError

Raised when the page size of a PDF document is not defined.

exception pypdf.errors.PdfReadWarning

基类：UserWarning

Issued when there is a potential issue reading a PDF file, but it can still be read.

exception pypdf.errors.PdfStreamError

基类：PdfReadError

Raised when there is an issue reading the stream of data in a PDF file.

exception pypdf.errors.ParseError

基类：PyPdfError

Raised when there is an issue parsing (analyzing and understanding the structure and meaning of) a PDF file.

exception pypdf.errors.FileNotDecryptedError

基类：PdfReadError

Raised when a PDF file that has been encrypted (meaning it requires a password to be accessed) has not been successfully decrypted.

exception pypdf.errors.WrongPasswordError

基类：FileNotDecryptedError

Raised when the wrong password is used to try to decrypt an encrypted PDF file.

exception pypdf.errors.EmptyFileError

基类：PdfReadError

Raised when a PDF file is empty or has no content.

exception pypdf.errors.EmptyImageDataError

基类：PyPdfError

Raised when trying to process an image that has no data.