13.5.5 Expat error constants

The following constants are provided in the errors object of the xml.parsers.expat module. These constants are useful in interpreting some of the attributes of the ExpatError exception objects raised when an error has occurred.

The errors object has the following attributes:

XML_ERROR_ASYNC_ENTITY

XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF: An entity reference in an attribute value referred to an external entity instead of an internal entity.

XML_ERROR_BAD_CHAR_REF: A character reference referred to a character which is illegal in XML (for example, character 0, or `').

XML_ERROR_BINARY_ENTITY_REF: An entity reference referred to an entity which was declared with a notation, so cannot be parsed.

XML_ERROR_DUPLICATE_ATTRIBUTE: An attribute was used more than once in a start tag.

XML_ERROR_INCORRECT_ENCODING

XML_ERROR_INVALID_TOKEN: Raised when an input byte could not properly be assigned to a character; for example, a NUL byte (value 0) in a UTF-8 input stream.

XML_ERROR_JUNK_AFTER_DOC_ELEMENT: Something other than whitespace occurred after the document element.

XML_ERROR_MISPLACED_XML_PI: An XML declaration was found somewhere other than the start of the input data.

XML_ERROR_NO_ELEMENTS: The document contains no elements (XML requires all documents to contain exactly one top-level element)..

XML_ERROR_NO_MEMORY: Expat was not able to allocate memory internally.

XML_ERROR_PARAM_ENTITY_REF: A parameter entity reference was found where it was not allowed.

XML_ERROR_PARTIAL_CHAR

XML_ERROR_RECURSIVE_ENTITY_REF: An entity reference contained another reference to the same entity; possibly via a different name, and possibly indirectly.

XML_ERROR_SYNTAX: Some unspecified syntax error was encountered.

XML_ERROR_TAG_MISMATCH: An end tag did not match the innermost open start tag.

XML_ERROR_UNCLOSED_TOKEN: Some token (such as a start tag) was not closed before the end of the stream or the next token was encountered.

XML_ERROR_UNDEFINED_ENTITY: A reference was made to a entity which was not defined.

XML_ERROR_UNKNOWN_ENCODING: The document encoding is not supported by Expat.

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