On 23/10/10 20:04, Hans-Peter Jansen wrote:
On Saturday 23 October 2010, 19:28:34 Baz Walter wrote:
On 23/10/10 18:07, Phil Thompson wrote:
On Sat, 23 Oct 2010 17:39:28 +0100, Baz Walter<baz...@ftml.net>
wrote:
On 23/10/10 12:25, Hans-Peter Jansen wrote:
On Saturday 23 October 2010, 02:54:40 Xavion wrote:
Doing so will save me from having to hard-code something like
"#!/usr/bin/env python2" into the main executable file, only to
be disappointed after finding out that some Linux distributions
have already built PyQt on Python v3.

For a transition phase of a couple of years, I would do it the
other way around. Your distribution should have created a python3
symlink, hence, if you code for python3, use #!/usr/bin/env
python3, given it isn't compatible with python<    3, otherwise
use #!/usr/bin/env python.

not sure i understand you here. the current situation on arch is:

       python ->   python3.1

That is unbelievably dumb.

that was exactly my initial reaction. however, given arch's
philosophy, it does make sense.

No idea, how this move could be labeled philosophy, since it is going to
break nearly every 3rd party python software out there. In the end it
only contributes to arch users isolation as it will always take arch
specific patches to get legacy code working. No sane distribution will
follow this pattern.

that's an extreme over-reaction - but if you are unsure how things work on arch, it is perhaps understandable.

let me try to shed a little light on this.

arch is a rolling-release distro. updates are very frequent and generally tend include the very latest, "bleeding-edge" versions.

when arch made the transition to python3, about 600 python-related packages were updated in the process. these were all pre-complied binary packages that are officially supported by the arch development team.

in addition to the repositories of supported packages, arch has an unofficial repostitory maintained by the community. this consists of build scripts which use arch's automated build system to install unsupported, third-party software. the build system will resolve all dependencies (using the same package management tools as the supported packages), and then download, build and install the software from source using the build scripts. this means that all installed software on the system is handled by a single package management system. most arch users will therefore actively avoid any do-it-yourself installation of third-party software. if there is no unofficial package currently available, they will either create it themselves, or make a request for one.

i hope this makes it obvious that any fears about breaking "nearly every 3rd party python software out there" are completely unfounded. when arch users made the update which included the transition to python3 a few days ago, the only things that broke were a handful of unofficial packages and some scripts that users created themselves.

I'm really sorry to have answered to this thread without understanding
the full scope, and therefore even contributed to the confusion.

As a consequence, I'm going to ignore each and every arch linux python
compatibility issue, that may arise here.

such remarks are totally uncalled for (and, with respect, unworthy of you).

arch has been around for quite a while now and has a growing community of very loyal users. it may do some things very differently, but at the end of the day, it's just another linux distro.

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