Thanks to visit codestin.com
Credit goes to github.com

Skip to content

Calling ElementTree.write on an ElementTree instance where ElementTree._root is the wrong type causes possible data loss #135640

Closed
Closed
Calling ElementTree.write on an ElementTree instance where ElementTree._root is the wrong type causes possible data loss#135640
Labels
stdlibStandard Library Python modules in the Lib/ directorytopic-XMLtype-bugAn unexpected behavior, bug, or error
@abstractedfox

Description

@abstractedfox
abstractedfox
opened on Jun 17, 2025

Bug report

Bug description:

Example:

tree = xml.etree.ElementTree.ElementTree(element = "") # element should be an ElementTree.Element object or None
tree.write("file.xml") # This appropriately causes a traceback, but blanks file.xml if it exists

PR coming with a fix!

CPython versions tested on:

CPython main branch, 3.14

Operating systems tested on:

macOS

Linked PRs

Metadata

Metadata

Assignees

No one assigned

    Labels

    stdlibStandard Library Python modules in the Lib/ directorytopic-XMLtype-bugAn unexpected behavior, bug, or error

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions