[IronPython] Pyc and subpackages

Srivatsn Narayanan srivatsn at microsoft.com
Thu Sep 18 19:04:09 CEST 2008


This is a known bug. It's filed in the internal bug db. I'll open a
bug in codeplex once I get back to office so that it gets higher
priority.

On Sep 18, 2008, at 5:25 AM, "Michael Foord"
<fuzzyman at voidspace.org.uk> wrote:

> Hello all,
>
> I'm experimenting with the Pyc sample and compiling packages into a
> single assembly.
>
> It works fine for packages (great!) - but not for their *contained*
> subpackages.
>
> When I look at the generated assembly with Reflector, the
> 'DLRCachedCode' does contain the subpackage 'files' (including the
> '__init__.py') - but importing from the subpackage fails.
>
> Is this expected or a bug?
>
> The command line I use is:
>
>    ipy pyc.py /out:modules /target:dll package\__init__.py
> package\module1.py package\module2.py package\subpackage\__init__.py
> package\subpackage\module1.py
>
> The '__init__.py' are all empty and the modules each contain a single
> print statement plus a single value. My top level file (left as pure
> Python) is:
>
>    import clr
>    clr.AddReference('modules')
>
>    import package.module1
>    import package.module2
>    import package.subpackage.module1
>
>    print package.module1.value
>    print package.module2.value
>    print package.subpackage.module1.value
>
> It fails on the subpackage import:
>
>    Imported package module 1
>    Imported package module 2
>    Traceback (most recent call last):
>      File "C:\Dev\Pyc\test.py", line 6, in C:\Dev\Pyc\test.py
>    ImportError: cannot import subpackage from package
>
> *Should* this work? It would be nice if it did - because otherwise we
> are restricted to one assembly per package, and have to add a
> reference
> to all these assemblies.
>
> The way I've been doing this is with 'Assembly.LoadFile' in the
> '__init__.py' - which works but is a little 'inelegant'.
>
> Michael
>
> --
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