euscan-ng/euscanwww/euscan/management/commands/scan-portage.py
Corentin Chary 25964491dd euscanwww: big commit
- fix commands
- import DataTables
- initial category view

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
2011-04-14 19:28:38 +02:00

155 lines
4.4 KiB
Python

import subprocess
import portage
import sys
import os
import re
from portage import versions
from optparse import make_option
from django.db.transaction import commit_on_success
from django.core.management.base import BaseCommand, CommandError
from euscanwww.euscan.models import Package, Version
class Command(BaseCommand):
_overlays = {}
option_list = BaseCommand.option_list + (
make_option('--all',
action='store_true',
dest='all',
default=False,
help='Scan all packages'),
make_option('--quiet',
action='store_true',
dest='quiet',
default=False,
help='Be quiet'),
)
args = '<package package ...>'
help = 'Scans portage tree and fills database'
def handle(self, *args, **options):
if len(args) == 0 and options['all'] == False:
raise CommandError('You must specify a package or use --all')
if not options['quiet']:
self.stdout.write('Scanning portage tree...\n')
for package in args:
self.scan(options, package)
if len(args) == 0:
self.scan(options)
if not options['quiet']:
self.stdout.write('Done.\n')
def overlays(self):
if self._overlays:
return self._overlays
env = os.environ
env['OVERLAYS_LIST'] = 'all'
env['PRINT_COUNT_ALWAYS'] = 'never'
cmd = ['eix', '-!']
output = subprocess.Popen(cmd, stdout=subprocess.PIPE, env=env).communicate()[0]
output = output.strip().strip('\n').split('\n')
overlay_re = re.compile(r'^\[(?P<key>\d+)] "(?P<name>.*?)"')
self._overlays = {}
for line in output:
match = overlay_re.match(line)
if not match:
continue
self._overlays[match.group('key')] = match.group('name')
return self._overlays
@commit_on_success
def scan(self, options, query=None):
env = os.environ
env['MY'] = "<category>/<name>-<version>:<slot> [<overlaynum>]\n"
cmd = ['eix', '--format', '<availableversions:MY>', '--pure-packages', '-x']
if query:
cmd.extend(['--exact', query])
output = subprocess.Popen(cmd, stdout=subprocess.PIPE, env=env).communicate()[0]
output = output.strip().strip('\n')
if len(output) == 0:
if package:
sys.stderr.write(self.style.ERROR("Unknown package '%s'\n" % package))
return
output = output.split('\n')
line_re = re.compile(r'^(?P<cpv>.*?):(?P<slot>.*?) \[(?P<overlay>.*?)\]$')
package = None
for line in output:
match = line_re.match(line)
if not match:
continue
cpv = match.group('cpv')
slot = match.group('slot')
overlay = match.group('overlay')
if not package or not cpv.startswith(str(package)):
package = self.store_package(options, cpv)
self.store_version(options, package, cpv, slot, overlay)
def store_package(self, options, cpv):
cat, pkg, ver, rev = portage.catpkgsplit(cpv)
obj, created = Package.objects.get_or_create(category=cat, name=pkg)
if created:
if not options['quiet']:
sys.stdout.write('[p] %s/%s\n' % (cat, pkg))
# Delete previous versions to handle incremental scan correctly
Version.objects.filter(package=obj, packaged=True).delete()
obj.n_versions = Version.objects.filter(package=obj).count()
obj.save()
return obj
def store_version(self, options, package, cpv, slot, overlay):
cat, pkg, ver, rev = portage.catpkgsplit(cpv)
overlays = self.overlays()
if overlay in overlays:
overlay = overlays[overlay]
else:
overlay = 'gentoo'
if not options['quiet']:
sys.stdout.write('[v] %s:%s [%s]\n' % (cpv, slot, overlay))
obj, created = Version.objects.get_or_create(package=package, slot=slot,
revision=rev, version=ver,
overlay=overlay)
if created or not package.n_packaged:
package.n_packaged += 1
if created:
package.n_versions += 1
package.save()
obj.packaged = True
obj.save()