This document contains information on pywincff’s release history. Later versions are shown first.



This release contains several enhancements, bug fixes and other changes. You can see all of the major issues by viewing the milestone on GitHub:

Notable enhancements and changes are:

  • Improved error handling which brings more consistent error messages with better information.
  • Several new Windows API function implementations including FlushFileBuffers, CreateFile, LockFileEx, UnlockFileEx, MoveFileEx, GetProcessId, and GetCurrentProcess.
  • New wrapper function pid_exists().
  • Refactored kernel32 module structure.
  • Several bug fixes to existing tests and functions.
  • Updated developer documentation to better cover code reviews, style, functions, etc.
  • Fixed broken urls in PyCharm Remote Interpreter section of vagrant documentation for developers.
  • Added pywincffi.kernel32.handle.GetHandleInformation() and pywincffi.kernel32.handle.SetHandleInformation() in #66 - Thanks exvito!


Contains a fix to ensure that the proper version of cffi is installed. See for more detailed information. This release also includes a fix to the internal release tool.


The first public release of pywincffi. The GitHub release contains the full list of issues, changes and pull requests. The primary purpose of this release was to end up with the tools and code necessary to begin integrating pywincffi into Twisted.


This was an internal test release. No data was published to PyPi or GitHub.