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from datetime import timedelta
import pytz
from django.db.models import F
from django.template.defaultfilters import filesizeformat
from django.utils.timezone import now
from .models import DeveloperKey, UserProfile
from main.models import PackageFile
from packages.models import PackageRelation, Depend
class DeveloperReport(object):
def __init__(self, slug, name, desc, packages_func,
names=None, attrs=None):
self.slug = slug
self.name = name
self.description = desc
self.packages = packages_func
self.names = names
self.attrs = attrs
def old(packages, username):
cutoff = now() - timedelta(days=365 * 2)
return packages.filter(
build_date__lt=cutoff).order_by('build_date')
def outofdate(packages, username):
cutoff = now() - timedelta(days=30)
return packages.filter(
flag_date__lt=cutoff).order_by('flag_date')
def big(packages, username):
cutoff = 50 * 1024 * 1024
packages = packages.filter(
compressed_size__gte=cutoff).order_by('-compressed_size')
# Format the compressed and installed sizes with MB/GB/etc suffixes
for package in packages:
package.compressed_size_pretty = filesizeformat(
package.compressed_size)
package.installed_size_pretty = filesizeformat(
package.installed_size)
return packages
def badcompression(packages, username):
cutoff = 0.90 * F('installed_size')
packages = packages.filter(compressed_size__gt=0, installed_size__gt=0,
compressed_size__gte=cutoff).order_by('-compressed_size')
# Format the compressed and installed sizes with MB/GB/etc suffixes
for package in packages:
package.compressed_size_pretty = filesizeformat(
package.compressed_size)
package.installed_size_pretty = filesizeformat(
package.installed_size)
ratio = package.compressed_size / float(package.installed_size)
package.ratio = '%.3f' % ratio
package.compress_type = package.filename.split('.')[-1]
return packages
def uncompressed_man(packages, username):
# checking for all '.0'...'.9' + '.n' extensions
bad_files = PackageFile.objects.filter(is_directory=False,
directory__contains='/man/',
filename__regex=r'\.[0-9n]').exclude(
filename__endswith='.gz').exclude(
filename__endswith='.xz').exclude(
filename__endswith='.bz2').exclude(
filename__endswith='.html')
if username:
pkg_ids = set(packages.values_list('id', flat=True))
bad_files = bad_files.filter(pkg__in=pkg_ids)
bad_files = bad_files.values_list(
'pkg_id', flat=True).order_by().distinct()
return packages.filter(id__in=set(bad_files))
def uncompressed_info(packages, username):
# we don't worry about looking for '*.info-1', etc., given that an
# uncompressed root page probably exists in the package anyway
bad_files = PackageFile.objects.filter(is_directory=False,
directory__endswith='/info/', filename__endswith='.info')
if username:
pkg_ids = set(packages.values_list('id', flat=True))
bad_files = bad_files.filter(pkg__in=pkg_ids)
bad_files = bad_files.values_list(
'pkg_id', flat=True).order_by().distinct()
return packages.filter(id__in=set(bad_files))
def unneeded_orphans(packages, username):
owned = PackageRelation.objects.all().values('pkgbase')
required = Depend.objects.all().values('name')
# The two separate calls to exclude is required to do the right thing
return packages.exclude(pkgbase__in=owned).exclude(
pkgname__in=required)
def mismatched_signature(packages, username):
cutoff = timedelta(hours=24)
filtered = []
packages = packages.select_related(
'arch', 'repo', 'packager').filter(signature_bytes__isnull=False)
known_keys = DeveloperKey.objects.select_related(
'owner').filter(owner__isnull=False)
known_keys = {dk.key: dk for dk in known_keys}
for package in packages:
bad = False
sig = package.signature
sig_date = sig.creation_time.replace(tzinfo=pytz.utc)
package.sig_date = sig_date.date()
dev_key = known_keys.get(sig.key_id, None)
if dev_key:
package.sig_by = dev_key.owner
if dev_key.owner_id != package.packager_id:
bad = True
else:
package.sig_by = sig.key_id
bad = True
if sig_date > package.build_date + cutoff:
bad = True
if bad:
filtered.append(package)
return filtered
REPORT_OLD = DeveloperReport('old', 'Old',
'Packages last built more than two years ago', old)
REPORT_OUTOFDATE = DeveloperReport('long-out-of-date', 'Long Out-of-date',
'Packages marked out-of-date more than 30 days ago', outofdate)
REPORT_BIG = DeveloperReport('big', 'Big',
'Packages with compressed size > 50 MiB', big,
['Compressed Size', 'Installed Size'],
['compressed_size_pretty', 'installed_size_pretty'])
REPORT_BADCOMPRESS = DeveloperReport('badcompression', 'Bad Compression',
'Packages that have little need for compression', badcompression,
['Compressed Size', 'Installed Size', 'Ratio', 'Type'],
['compressed_size_pretty', 'installed_size_pretty','ratio', 'compress_type'])
REPORT_MAN = DeveloperReport('uncompressed-man', 'Uncompressed Manpages',
'Packages with uncompressed manpages', uncompressed_man)
REPORT_INFO = DeveloperReport('uncompressed-info', 'Uncompressed Info Pages',
'Packages with uncompressed infopages', uncompressed_info)
REPORT_ORPHANS = DeveloperReport('unneeded-orphans', 'Unneeded Orphans',
'Orphan packages required by no other packages', unneeded_orphans)
REPORT_SIGNATURE = DeveloperReport('mismatched-signature', 'Mismatched Signatures',
'Packages with mismatched signatures', mismatched_signature,
['Signature Date', 'Signed By', 'Packager'],
['sig_date', 'sig_by', 'packager'])
def available_reports():
return (
REPORT_OLD,
REPORT_OUTOFDATE,
REPORT_BIG,
REPORT_BADCOMPRESS,
REPORT_MAN,
REPORT_INFO,
REPORT_ORPHANS,
REPORT_SIGNATURE,
)
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