def process_update(host, update_string, security):
""" Processes a single sanitized update string and converts to an update
object. Only works if the original package exists. Returns None otherwise
"""
update_str = update_string.split()
repo_id = update_str[2]
parts = update_str[0].rpartition('.')
package_str = parts[0]
arch_str = parts[2]
p_epoch, p_version, p_release = find_evr(update_str[1])
package_arches = PackageArchitecture.objects.all()
with transaction.atomic():
p_arch, c = package_arches.get_or_create(name=arch_str)
package_names = PackageName.objects.all()
with transaction.atomic():
p_name, c = package_names.get_or_create(name=package_str)
packages = Package.objects.all()
with transaction.atomic():
package, c = packages.get_or_create(name=p_name,
arch=p_arch,
epoch=p_epoch,
version=p_version,
release=p_release,
packagetype='R')
try:
repo = Repository.objects.get(repo_id=repo_id)
except Repository.DoesNotExist:
repo = None
if repo:
for mirror in repo.mirror_set.all():
with transaction.atomic():
MirrorPackage.objects.create(mirror=mirror, package=package)
installed_packages = host.packages.filter(name=p_name,
arch=p_arch,
packagetype='R')
if installed_packages:
installed_package = installed_packages[0]
updates = PackageUpdate.objects.all()
with transaction.atomic():
update, c = updates.get_or_create(oldpackage=installed_package,
newpackage=package,
security=security)
return update
def extract_arch_packages(data):
""" Extract package metadata from an arch linux tarfile
"""
from packages.utils import find_evr
extracted = BytesIO(extract(data, 'gz'))
tf = tarfile.open(fileobj=extracted, mode='r:*')
packages = set()
plen = len(tf.getnames())
if plen > 0:
ptext = 'Extracting packages: '
progress_info_s.send(sender=None, ptext=ptext, plen=plen)
for i, tarinfo in enumerate(tf):
progress_update_s.send(sender=None, index=i + 1)
if tarinfo.isfile():
name_sec = ver_sec = arch_sec = False
t = tf.extractfile(tarinfo).read()
for line in t.decode('utf-8').splitlines():
if line.startswith('%NAME%'):
name_sec = True
continue
if name_sec:
name_sec = False
name = line
continue
if line.startswith('%VERSION%'):
ver_sec = True
continue
if ver_sec:
ver_sec = False
epoch, version, release = find_evr(line)
continue
if line.startswith('%ARCH%'):
arch_sec = True
continue
if arch_sec:
arch_sec = False
arch = line
continue
package = PackageString(name=name.lower(),
epoch=epoch,
version=version,
release=release,
arch=arch,
packagetype='A')
packages.add(package)
else:
info_message.send(sender=None, text='No packages found in repo')
return packages