[IronPython] Which modules collection to use?

Daniel D. dvdotsenko at gmail.com
Sat Jan 22 02:34:50 CET 2011

Thx on the IRONPYTHONPATH hint.

Regarding what blows up:

copy'n'paste Lib folder from cPython 2.7.1 into /Debug/.., followed by  "bdc"

    6 Warning(s)
    0 Error(s)

Time Elapsed 00:00:37.34

IronPython 2.7 Beta 1 DEBUG ( on .NET 4.0.30319.1
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\work\ironlang\Bin\Debug\Lib\os.py", line 398, in <module>
  File "C:\work\ironlang\Bin\Debug\Lib\UserDict.py", line 84, in <module>
  File "C:\work\ironlang\Bin\Debug\Lib\abc.py", line 109, in register
  File "C:\work\ironlang\Bin\Debug\Lib\abc.py", line 151, in __subclasscheck__
  File "C:\work\ironlang\Bin\Debug\Lib\_weakrefset.py", line 69, in __contains__

TypeError: cannot create weak reference to 'classobj' object



On Fri, Jan 21, 2011 at 17:24, Dino Viehland <dinov at microsoft.com> wrote:
> Daniel wrote:
>> Pulled src from github. The devel set up instructions
>> (http://ironpython.codeplex.com/wikipage?title=Respository%20Instructions)
>> and all the script magic already in place is just great as things compile and run.
>> Very cool.
>> However, need help figuring some things out, please:
>> 1. Neither the release, nor the debug deployment copies the standard module
>> files into Lib. Is there magic in place for that already, like a project file that has
>> the deployment paths spelled out?
> We have a copy of the std lib in External.LCA_RESTRICTED\Languages\IronPython\27\Lib.
> I generally just set IRONPYTHONPATH at that directory which is much better than
> copying it on every build.  For releases the MSI builder will pick it up out
> External.LCA_RESTRICTED\Languages\CPython\27\Lib.  The difference between those
> two directories is the tests - the IronPython dir has various changes to disable failing
> tests, occasionally adds some extra tests, etc...
> The 2 dirs are also useful for doing 3 way merges when updating the standard library.
> That way you know what the last version we pulled was.
>> 2. There are two copies of modules sets. One in cPython/Lib, there other is in
>> IronPython/27/Lib. The answer is probably obvious, but which set of modules do
>> I need to copy?
> [conveniently answered above]
>> 3. Before I found the bundled module collections, I tried modules from
>> "2.7.1 (r271:86832, Nov 27 2010, 18:30:46) [MSC v.1500 32 bit (Intel)]" and saw
>> code in modules blowing up left and right. It's obvious that the modules
>> collection in IronLanguages is stale, but i wonder how stale it is... Are they from
>> 2.5/2.6 time? If the next IPY release is "2.7" do we need to go and update the
>> modules bundled with 2.7?
> These are all from the 2.7 timeframe and should be from 2.7.0 at the very
> earliest.   If you windiff the CPython lib dir w/ your 2.7.1 install Lib dir you
> should be able to see the differences.  I'm surprised that things are blowing
> up - maybe there's some site packages breaking things in your install?
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