import portage from django.utils import timezone from django.db.transaction import commit_on_success from euscan import CONFIG, output from euscan.scan import scan_upstream as euscan_scan_upstream from djeuscan.processing import FakeLogger from djeuscan.models import Package, Version, EuscanResult, VersionLog class ScanUpstream(object): def __init__(self, logger=None): self.logger = logger or FakeLogger() def scan(self, package): CONFIG["format"] = "dict" output.set_query(package) euscan_scan_upstream(package) out = output.get_formatted_output() out_json = output.get_formatted_output("json") try: cpv = out[package]["metadata"]["cpv"] except KeyError: return {} obj = self.store_package(cpv) for res in out[package]["result"]: self.store_version(obj, res["version"], " ".join(res["urls"])) self.store_result(obj, out_json) return out def store_result(self, package, log): # Remove previous logs EuscanResult.objects.filter(package=package).delete() obj = EuscanResult() obj.package = package obj.result = log obj.datetime = timezone.now() obj.save() def store_package(self, cpv): cat, pkg, ver, rev = portage.catpkgsplit(cpv) obj, created = Package.objects.get_or_create(category=cat, name=pkg) if created: self.logger.info('+ [p] %s/%s' % (cat, pkg)) # Set all versions dead, then set found versions alive and # delete old versions Version.objects.filter(package=obj, packaged=False).update(alive=False) return obj def store_version(self, package, ver, url): obj, created = Version.objects.get_or_create( package=package, slot='', revision='r0', version=ver, overlay='', defaults={"alive": True, "urls": url, "packaged": False} ) if not created: obj.alive = True obj.urls = url obj.packaged = False obj.save() # If it's not a new version, just update the object and continue if not created: return self.logger.info('+ [u] %s %s' % (obj, url)) VersionLog.objects.create( package=package, action=VersionLog.VERSION_ADDED, slot='', revision='r0', version=ver, overlay='' ) package.n_versions += 1 package.save() @commit_on_success def purge_versions(logger=None): logger = logger or FakeLogger() # For each dead versions for version in Version.objects.filter(packaged=False, alive=False): VersionLog.objects.create( package=version.package, action=VersionLog.VERSION_REMOVED, slot=version.slot, revision=version.revision, version=version.version, overlay=version.overlay ) version.package.n_versions -= 1 version.package.save() logger.info('- [u] %s %s' % (version, version.urls)) Version.objects.filter(packaged=False, alive=False).delete() def scan_upstream(packages=None, purge_versions=False, logger=None): logger = logger or FakeLogger() scan_handler = ScanUpstream(logger=logger) logger.info('Scanning upstream...') if packages is None: packages = Package.objects.all() for pkg in packages: if isinstance(pkg, Package): scan_handler.scan('%s/%s' % (pkg.category, pkg.name)) else: scan_handler.scan(pkg) if purge_versions: purge_versions(logger=logger) logger.info('Done.')