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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, purge_versions=False):
self.logger = logger or FakeLogger()
self.purge_versions = purge_versions
self._versions = set()
self._versions_seen = set()
def scan(self, package):
CONFIG["format"] = "dict"
output.clean()
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"]
scan_time = out[package]["metadata"]["scan_time"]
ebuild = out[package]["metadata"]["ebuild"]
except KeyError:
self.logger.error(
"Error while scanning upstream for package %s!",
package
)
self.logger.debug(
"Error %s",
out_json
)
return {}
obj = self.store_package(cpv)
for res in out[package]["result"]:
self.store_version(
obj,
res["version"],
" ".join(res["urls"]),
res["type"],
res["handler"],
res["confidence"],
)
self.store_result(obj, out_json, scan_time, ebuild)
def store_result(self, package, formatted_log, scan_time, ebuild):
# Remove previous logs
EuscanResult.objects.filter(package=package).delete()
obj = EuscanResult()
obj.package = package
obj.result = formatted_log
obj.datetime = timezone.now()
obj.scan_time = scan_time
obj.ebuild = ebuild
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))
versions = Version.objects.filter(
package=obj, packaged=False
)
for version in versions:
self._versions.add(version)
return obj
def store_version(self, package, ver, url, version_type, handler,
confidence):
obj, created = Version.objects.get_or_create(
package=package,
revision='r0',
version=ver,
overlay='',
defaults={"slot": '', "urls": url, "packaged": False,
"vtype": version_type, "handler": handler,
"confidence": confidence}
)
if not created:
obj.slot = ''
obj.urls = url
obj.packaged = False
obj.save()
self._versions_seen.add(obj)
# 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='',
vtype=version_type,
)
package.n_versions += 1
package.save()
def purge_old_versions(self):
if not self.purge_versions:
return
versions = self._versions.difference(self._versions_seen)
for version in versions:
if version.packaged == True:
continue # Not our job
VersionLog.objects.create(
package=version.package,
action=VersionLog.VERSION_REMOVED,
slot=version.slot,
revision=version.revision,
version=version.version,
overlay=version.overlay,
vtype=version.vtype,
)
version.package.n_versions -= 1
version.package.save()
self.logger.info('- [u] %s %s' % (version, version.urls))
version.delete()
@commit_on_success
def scan_upstream(packages=None, purge_versions=False,
logger=None):
logger = logger or FakeLogger()
scan_handler = ScanUpstream(logger=logger, purge_versions=purge_versions)
logger.info('Scanning upstream...')
if not packages:
packages = Package.objects.all()
for pkg in packages:
try:
package = '%s/%s' % (pkg.category, pkg.name)
except AttributeError:
package = pkg
logger.info('Scanning %s' % package)
scan_handler.scan(package)
scan_handler.purge_old_versions()
logger.info('Done.')
|
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