187 lines
5.7 KiB
Python
187 lines
5.7 KiB
Python
import subprocess
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import portage
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import sys
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import os
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import re
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from StringIO import StringIO
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from datetime import datetime
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from portage import versions
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from optparse import make_option
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from django.db.transaction import commit_on_success
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from django.core.management.base import BaseCommand, CommandError
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from euscanwww.euscan.models import Package, Version, EuscanResult, VersionLog
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class Command(BaseCommand):
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_overlays = {}
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option_list = BaseCommand.option_list + (
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make_option('--all',
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action='store_true',
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dest='all',
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default=False,
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help='Scan all packages'),
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make_option('--feed',
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action='store_true',
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dest='feed',
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default=False,
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help='Read euscan output from stdin'),
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make_option('--purge-versions',
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action='store_true',
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dest='purge-versions',
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default=False,
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help='Purge old versions'),
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make_option('--quiet',
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action='store_true',
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dest='quiet',
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default=False,
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help='Be quiet'),
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)
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args = '<package package ...>'
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help = 'Scans metadata and fills database'
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def handle(self, *args, **options):
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if len(args) == 0 and options['all'] == False and options['feed'] == False:
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raise CommandError('You must specify a package or use --all')
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if options['feed']:
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self.parse_output(options, sys.stdin)
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if options['purge-versions']:
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self.purge_versions(options)
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return
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if not options['quiet']:
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self.stdout.write('Scanning upstream...\n')
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packages = []
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if len(args) == 0:
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for pkg in Package.objects.all():
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packages.append('%s/%s' % (pkg.category, pkg.name))
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else:
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packages = list(args)
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self.scan(options, packages)
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if options['purge-versions']:
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self.purge_versions(options)
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if not options['quiet']:
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self.stdout.write('Done.\n')
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def scan(self, options, packages=None):
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for package in packages:
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cmd = ['euscan', package]
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fp = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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output = StringIO(fp.communicate()[0])
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self.parse_output(options, output)
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@commit_on_success
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def parse_output(self, options, output):
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from portage.versions import _cp
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package_re = re.compile(r'^ \* (?P<cpv>' + _cp + ') \[(?P<overlay>.*?)\]$')
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version_re = re.compile(r'^Upstream Version: (?P<ver>.*?) (?P<url>.*?)$')
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package = None
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log = ""
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while True:
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line = output.readline()
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if line == '':
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break
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match = package_re.match(line)
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if match:
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if package:
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self.store_result(options, package, log)
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cpv = match.group('cpv')
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package = self.store_package(options, cpv)
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log = line
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continue
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log += line
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match = version_re.match(line)
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if match:
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ver = match.group('ver')
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url = match.group('url')
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self.store_version(options, package, ver, url)
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if package:
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self.store_result(options, package, log)
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def store_result(self, options, package, log):
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# Remove previous logs
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EuscanResult.objects.filter(package=package).delete()
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obj = EuscanResult()
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obj.package = package
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obj.result = log
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obj.datetime = datetime.now()
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obj.save()
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def store_package(self, options, cpv):
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cat, pkg, ver, rev = portage.catpkgsplit(cpv)
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obj, created = Package.objects.get_or_create(category=cat, name=pkg)
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if created and not options['quiet']:
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sys.stdout.write('+ [p] %s/%s\n' % (cat, pkg))
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' Set all versions dead, then set found versions alive and delete old versions '
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Version.objects.filter(package=obj, packaged=False).update(alive=False)
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return obj
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def store_version(self, options, package, ver, url):
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obj, created = Version.objects.get_or_create(package=package, slot='',
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revision='r0', version=ver,
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overlay='')
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obj.alive = True
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obj.urls = url
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obj.packaged = False
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obj.save()
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''' If it's not a new version, just update the object and continue '''
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if not created:
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return
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if not options['quiet']:
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sys.stdout.write('+ [u] %s %s\n' % (obj, url))
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entry = VersionLog.objects.create(package=package, action=VersionLog.VERSION_ADDED)
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entry.slot = ''
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entry.revision = 'r0'
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entry.version = ver
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entry.overlay = ''
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entry.save()
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package.n_versions += 1
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package.save()
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@commit_on_success
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def purge_versions(self, options):
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' For each dead versions '
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for version in Version.objects.filter(packaged=False, alive=False):
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entry = VersionLog.objects.create(package=version.package, action=VersionLog.VERSION_REMOVED)
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entry.slot = version.slot
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entry.revision = version.revision
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entry.version = version.version
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entry.overlay = version.overlay
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entry.save()
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version.package.n_versions -= 1
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version.package.save()
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if not options['quiet']:
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sys.stdout.write('- [u] %s %s\n' % (version, version.urls))
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Version.objects.filter(packaged=False, alive=False).delete()
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