R: [Jython-dev] [Bug #122610] SecEx in MS applerviewer

[Samuele P. <pe...@in...>]

Hi.

so I will fix things that way.

regards, Samuele.

----- Original Message -----
From: Finn Bock <bc...@wo...>
To: <jyt...@li...>
Sent: Saturday, November 18, 2000 5:29 PM
Subject: Re: [Jython-dev] [Bug #122610] SecEx in MS applerviewer


> [me]
>
> >> A null frozenPackage parameter seems to occur when a module was
compiled
> >> without the --deep option. My interpretation of the meaning of "frozen"
> >> and "--deep" goes like this:
> >>
> >> 1) Using --deep (which results in Py.frozen == true) we can assume
> >>    a completely closed environment. Every external module and package
> >>    have been found by the compiler so there should be no need to search
> >>    the filesystem for anything.
> >>
> >> 2) Module that have been compile without the --deep option should be
> >>    importable and runnable as if they were compiled by CodeCompiler.
> >>    Such modules are compiled but they are not frozen. F.ex when running
> >>    such a module directly it should attempt to build the cache/packages
> >>    and should search the file system for modules and classes.
> >>
> >> The 2) type of compilation is not supported very well at the moment.
The
> >> cache/packages dir is created, but no .jars are cached because jythonc
> >> passes these properties to runMain():
> >>
> >>     python.packages.paths = ""
> >>     python.packages.directories = ""
> >>
> >> which creates a strange enviroment where java classes can't be found in
> >> submodules.
> >>
> >> Perhaps we should have an additional options to jythonc, say "--depend"
> >> which will track dependencies and compile all submodules but which does
> >> not set the Py.frozen flag.
>
> [Samuele]
>
> >So the bug is not really a bug.
> >When I removed the Py.frozen test in loadFromPath I was actually
> >thinking about 2).
> >
> >It seems to me that setting
> >
> >     python.packages.paths = ""
> >     python.packages.directories = ""
> >
> >is redudant.
> >
> >The right logic should be to avoid Py.frozen tests around
> >but to have in frozen code case (--deep):
> >
> > sys.path = []
> > and the cache not initialized.
> > and PackageManager, frozenModules filled with the params to initProxy/
> > runMain.
>
> Right.
>
> It would be a slight change of behavior for a frozen program that makes
> changes to sys.path, but I think that is acceptable.
>
> regards,
> finn
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