The vb2Py project is developing a suite of conversion tools to aid in translating existing Visual Basic projects into Python.
The conversion includes,
· VB code modules translating to Python code modules
· VB classes to Python classes
· VB Forms to PythonCard forms
· VB Projects to PythonCard projects
PyDev is a plugin that enables users to use Eclipse for Python and Jython development -- making Eclipse a first class Python IDE -- It comes with many goodies such as code completion, syntax highlighting, syntax analysis, refactor, debug and many others. If you want more details on the provided features, you can check here.