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from django.db import models
from django.db.models.signals import pre_save, post_save
from django.contrib.auth.models import User
from main.utils import set_created_field
class PackageRelation(models.Model):
'''
Represents maintainership (or interest) in a package by a given developer.
It is not a true foreign key to packages as we want to key off
pkgbase/pkgname instead, as well as preserve this information across
package deletes, adds, and in all repositories.
'''
MAINTAINER = 1
WATCHER = 2
TYPE_CHOICES = (
(MAINTAINER, 'Maintainer'),
(WATCHER, 'Watcher'),
)
pkgbase = models.CharField(max_length=255)
user = models.ForeignKey(User, related_name="package_relations")
type = models.PositiveIntegerField(choices=TYPE_CHOICES, default=MAINTAINER)
created = models.DateTimeField(editable=False)
def get_associated_packages(self):
# TODO: delayed import to avoid circular reference
from main.models import Package
return Package.objects.normal().filter(pkgbase=self.pkgbase)
def repositories(self):
packages = self.get_associated_packages()
return sorted(set([p.repo for p in packages]))
def __unicode__(self):
return u'%s: %s (%s)' % (
self.pkgbase, self.user, self.get_type_display())
class Meta:
unique_together = (('pkgbase', 'user', 'type'),)
class SignoffSpecification(models.Model):
'''
A specification for the signoff policy for this particular revision of a
pakcage. The default is requiring two signoffs for a given package. These
are created only if necessary; e.g., if one wanted to override the
required=2 attribute, otherwise a sane default object is used.
'''
pkgbase = models.CharField(max_length=255, db_index=True)
pkgver = models.CharField(max_length=255)
pkgrel = models.CharField(max_length=255)
epoch = models.PositiveIntegerField(default=0)
arch = models.ForeignKey('main.Arch')
repo = models.ForeignKey('main.Repo')
user = models.ForeignKey(User)
created = models.DateTimeField(editable=False)
required = models.PositiveIntegerField(default=2)
enabled = models.BooleanField(default=True)
known_bad = models.BooleanField(default=False)
comments = models.TextField(null=True, blank=True)
class SignoffManager(models.Manager):
def get_from_package(self, pkg, user, revoked=False):
'''Utility method to pull all relevant name-version fields from a
package and create a matching signoff.'''
not_revoked = not revoked
return Signoff.objects.get(
pkgbase=pkg.pkgbase, pkgver=pkg.pkgver, pkgrel=pkg.pkgrel,
epoch=pkg.epoch, arch=pkg.arch, repo=pkg.repo,
revoked__isnull=not_revoked, user=user)
def get_or_create_from_package(self, pkg, user):
'''Utility method to pull all relevant name-version fields from a
package and create a matching signoff.'''
return Signoff.objects.get_or_create(
pkgbase=pkg.pkgbase, pkgver=pkg.pkgver, pkgrel=pkg.pkgrel,
epoch=pkg.epoch, arch=pkg.arch, repo=pkg.repo,
revoked=None, user=user)
def for_package(self, pkg):
return self.select_related('user').filter(
pkgbase=pkg.pkgbase, pkgver=pkg.pkgver, pkgrel=pkg.pkgrel,
epoch=pkg.epoch, arch=pkg.arch, repo=pkg.repo)
class Signoff(models.Model):
'''
A signoff for a package (by pkgbase) at a given point in time. These are
not keyed directly to a Package object so they don't ever get deleted when
Packages come and go from testing repositories.
'''
pkgbase = models.CharField(max_length=255, db_index=True)
pkgver = models.CharField(max_length=255)
pkgrel = models.CharField(max_length=255)
epoch = models.PositiveIntegerField(default=0)
arch = models.ForeignKey('main.Arch')
repo = models.ForeignKey('main.Repo')
user = models.ForeignKey(User, related_name="package_signoffs")
created = models.DateTimeField(editable=False)
revoked = models.DateTimeField(null=True)
comments = models.TextField(null=True, blank=True)
objects = SignoffManager()
@property
def packages(self):
# TODO: delayed import to avoid circular reference
from main.models import Package
return Package.objects.normal().filter(pkgbase=self.pkgbase,
pkgver=self.pkgver, pkgrel=self.pkgrel, epoch=self.epoch,
arch=self.arch, repo=self.repo)
@property
def full_version(self):
if self.epoch > 0:
return u'%d:%s-%s' % (self.epoch, self.pkgver, self.pkgrel)
return u'%s-%s' % (self.pkgver, self.pkgrel)
def __unicode__(self):
return u'%s-%s: %s' % (
self.pkgbase, self.full_version, self.user)
class PackageGroup(models.Model):
'''
Represents a group a package is in. There is no actual group entity,
only names that link to given packages.
'''
pkg = models.ForeignKey('main.Package', related_name='groups')
name = models.CharField(max_length=255, db_index=True)
def __unicode__(self):
return "%s: %s" % (self.name, self.pkg)
class License(models.Model):
pkg = models.ForeignKey('main.Package', related_name='licenses')
name = models.CharField(max_length=255)
def __unicode__(self):
return self.name
class Meta:
ordering = ['name']
class Conflict(models.Model):
pkg = models.ForeignKey('main.Package', related_name='conflicts')
name = models.CharField(max_length=255, db_index=True)
comparison = models.CharField(max_length=255, default='')
version = models.CharField(max_length=255, default='')
def __unicode__(self):
if self.version:
return u'%s%s%s' % (self.name, self.comparison, self.version)
return self.name
class Meta:
ordering = ['name']
class Provision(models.Model):
pkg = models.ForeignKey('main.Package', related_name='provides')
name = models.CharField(max_length=255, db_index=True)
# comparison must be '=' for provides
comparison = '='
version = models.CharField(max_length=255, default='')
def __unicode__(self):
if self.version:
return u'%s=%s' % (self.name, self.version)
return self.name
class Meta:
ordering = ['name']
class Replacement(models.Model):
pkg = models.ForeignKey('main.Package', related_name='replaces')
name = models.CharField(max_length=255, db_index=True)
comparison = models.CharField(max_length=255, default='')
version = models.CharField(max_length=255, default='')
def __unicode__(self):
if self.version:
return u'%s%s%s' % (self.name, self.comparison, self.version)
return self.name
class Meta:
ordering = ['name']
def remove_inactive_maintainers(sender, instance, created, **kwargs):
# instance is an auth.models.User; we want to remove any existing
# maintainer relations if the user is no longer active
if not instance.is_active:
maint_relations = PackageRelation.objects.filter(user=instance,
type=PackageRelation.MAINTAINER)
maint_relations.delete()
post_save.connect(remove_inactive_maintainers, sender=User,
dispatch_uid="packages.models")
pre_save.connect(set_created_field, sender=PackageRelation,
dispatch_uid="packages.models")
pre_save.connect(set_created_field, sender=Signoff,
dispatch_uid="packages.models")
# vim: set ts=4 sw=4 et:
|
