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# -*- coding: utf-8 -*-
import re
import urllib2
try:
import simplejson as json
except ImportError:
import json
import portage
from euscan import mangling, helpers, output
HANDLER_NAME = "gnome"
CONFIDENCE = 100
PRIORITY = 90
GNOME_URL_SOURCE = 'http://ftp.gnome.org/pub/GNOME/sources'
def can_handle(_pkg, url=None):
return url and url.startswith('mirror://gnome/')
def guess_package(cp, url):
match = re.search('mirror://gnome/sources/([^/]+)/.*', url)
if match:
return match.group(1)
_cat, pkg = cp.split("/")
return pkg
def scan_url(pkg, url, options):
'http://ftp.gnome.org/pub/GNOME/sources/'
package = guess_package(pkg.cpv, url)
return scan_pkg(pkg, package)
def scan_pkg(pkg, options):
# For some weird reasons package with no metadata
# will fail without this hack
options = {
'data': options,
'type': 'gnome',
}
package = options['data']
output.einfo("Using Gnome json cache: " + package)
print 'Opening', '/'.join([GNOME_URL_SOURCE, package, 'cache.json'])
fp = urllib2.urlopen('/'.join([GNOME_URL_SOURCE, package, 'cache.json']))
content = fp.read()
fp.close()
cache = json.loads(content, encoding='ascii')
if cache[0] != 4:
raise Exception('Unknow cache format detected')
versions = cache[2][package]
if not versions:
return versions
versions.reverse()
cp, ver, _rev = portage.pkgsplit(pkg.cpv)
ret = []
for up_pv in versions:
pv = mangling.mangle_version(up_pv, options)
if helpers.version_filtered(cp, ver, pv):
continue
up_files = cache[1][package][up_pv]
for tarball_comp in ('tar.xz', 'tar.bz2', 'tar.gz'):
if tarball_comp in up_files:
url = '/'.join([GNOME_URL_SOURCE, package,
up_files[tarball_comp]])
break
else:
raise Exception('No tarball for release ' + up_pv)
ret.append((url, pv, HANDLER_NAME, CONFIDENCE))
return ret
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