master/autotua/process/__init__.py


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# vim: set sw=4 sts=4 et :
# Copyright: 2008 Gentoo Foundation
# Author(s): Nirbheek Chauhan <nirbheek.chauhan@gmail.com>
# License: GPL-2
#
# Immortal lh!
#

import random
from django.core.validators import ValidationError
import const, validate

schemes = ['http', 'https', 'ftp']

def generate_stage_url(**kwargs):
    scheme = kwargs['stage'].split('://', 1)[0]
    if scheme in schemes:
        return kwargs['stage']
    kwargs['gen_arch'] = _get_arch_dir(kwargs['arch'])
    kwargs['mirror'] = random.choice(const.MIRRORS[scheme])
    url = const.STAGE_URI % kwargs
    return url

def _get_arch_dir(arch):
    """
    Convert specific archs to generic archs
    i686 -> x86
    mips4 -> mips
    """
    for i in const.ARCHS:
        if arch in const.ARCHSs[i]:
            return i
    raise ValidationError(const.VERRORS['invalid_arch'] % i)