[IronPython] [wingide-users] Using Wing IDE with IronPython - autocomplete for .NET objects (PI file generator)
fuzzyman at voidspace.org.uk
Wed Apr 29 16:44:48 CEST 2009
Attached is an updated script for generating PI files to provide
autocomplete on standard .NET objects.
It now handles all the standard .NET member types (including static
properties, enumeration fields, indexers, events and so on).
It also recurses into sub-namespaces generating new pi-files for all of
This script is hardcoded to add references to, and then generate PI
It generates 90 pi files (90 namespaces) taking up 24mb! The
autocomplete it provides is awesome though. :-)
I had to do a fair bit of violence to the standard generate_pi.py script
so I *doubt* it is desirable to merge it back in. Obviously very happy
for this to be included with Wing if you want, or merged if you think it
is worth it. Is it ok for me to offer this for download from my site? If
I make further changes I will email this list.
The big thing to add is the return type for methods.
Is it possible to specify return types for properties? (Currently any
attribute without an obvious parallel in Python I have turned into a
property in the PI files).
The only real caveat with the current script (that I am aware of - bug
reports and contributions welcomed) is that None is a common enumeration
field member. This is invalid syntax in Python, so I rename these to None_.
There are quite a few minor changes sprinkled through the code - plus
the __main__ part of the script is very different. I have tried to mark
changes with a # CHANGE: comment, but it should be relatively amenable
to diffing anyway...
For reference I was using IronPython 2.0.1, with .NET 3.5 installed and
Wing 3.2beta 1.
All the best,
Michael Foord wrote:
> Hello all,
> I've created a modified version of the 'generate_pi.py' which
> generates the interface files for .NET libraries. It is attached.
> At the moment it generates PI files for the following assemblies /
> namespaces (hardwired at the bottom of the code):
> To run it, create a new directory and add this to the 'Interface File
> Path' (File menu -> Preferences -> Source Analysis -> Advanced ->
> Then from the command line switch to this directory (if you are on
> Vista you will need to run cmd with admin privileges due to a defect
> explained below). Execute the command:
> ipy generate_pi_for_net.py
> This generates the pi files. It doesn't work *as well* on 64 bit
> windows because the .NET XML help files (or whatever they are called)
> are in a different location so the docstrings are not always available
> - which is why I am not just distributing the pi files yet.
> The script doesn't yet understand static properties on classes - so it
> actually *fetches* static properties rather than looking at the
> descriptor (which is available in the class __dict__ so should be easy
> to fix). This is what causes inadvertent registry lookups etc and
> therefore requires admin privileges.
> It doesn't yet understand multiple overloads. This may require a
> change to Wing or may not matter.
> It isn't yet able to do anything with the information about return
> types - which would allow Wing to know the type of objects returned by
> methods. This may be easy to add?
> It is late so I am going to bed. At some point I will explain the
> simple changes I had to make to the standard generate_pi.py script
> (although they are mostly straightforward). I will also do further
> work on it as it will be very useful to me...
> All the best,
> Wing IDE users list
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