Bug#845360: jython: the default cachedir path should be set at the library intialization step

[Gilles Filippini]

Package: jython
Version: 2.5.3-11
Severity: normal
Tags: patch

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Hi,

The jython launcher currently forces the cachedir to $HOME/.jython-cache. But when the library is used directly the cachedir is still set from the upstream default in src/org/python/core/PySystemState.java:
 protected static final String CACHEDIR_DEFAULT_NAME = "cachedir";
Which results in the non-writable path /usr/share/jython/cachedir.

I think it would be more consistent to change the default directly into the PySystemState class and drop the corresponding configuration from the launcher.

Please see the attached patch proposal. I'm willing to team-upload it in a few days, unless you object.

thanks,

- -- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.7.0-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

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