euscan-ng/euscanwww/djeuscan/processing/scan_upstream.py

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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):
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"]
scan_time = out[package]["metadata"]["scan_time"]
ebuild = out[package]["metadata"]["ebuild"]
except KeyError:
return {}
with commit_on_success():
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, scan_time, ebuild)
return out
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))
# 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.')