.. _sec.replace.parts: Replacing Parts of a Version ============================ If you want to replace different parts of a version, but leave other parts unmodified, use the function :meth:`~semver.version.Version.replace`: >>> version = semver.Version.parse("1.4.5-pre.1+build.6") >>> version.replace(major=2, minor=2) Version(major=2, minor=2, patch=5, prerelease='pre.1', build='build.6') If you pass invalid keys you get an exception:: >>> version = semver.Version.parse("1.4.5-pre.1+build.6") >>> version.replace(invalidkey=2) Traceback (most recent call last): ... TypeError: replace() got 1 unexpected keyword argument(s): invalidkey