Add new package parts models

This allows us to store conflicts, provisions (provides), and replacements
in the database, things we weren't capturing before. All can be multivalued,
just like License and PackageGroup.

Signed-off-by: Dan McGee <dan@archlinux.org>

2 files changed, 211 insertions, 0 deletions

diff --git a/packages/migrations/0006_auto__add_provision__add_conflict__add_replacement.py b/packages/migrations/0006_auto__add_provision__add_conflict__add_replacement.py
new file mode 100644
index 0000000..c764ce7
--- /dev/null
+++ b/packages/migrations/0006_auto__add_provision__add_conflict__add_replacement.py
@@ -0,0 +1,167 @@
+# encoding: utf-8
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding model 'Provision'
+        db.create_table('packages_provision', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('pkg', self.gf('django.db.models.fields.related.ForeignKey')(related_name='provides', to=orm['main.Package'])),
+            ('name', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)),
+            ('version', self.gf('django.db.models.fields.CharField')(default='', max_length=255)),
+        ))
+        db.send_create_signal('packages', ['Provision'])
+
+        # Adding model 'Conflict'
+        db.create_table('packages_conflict', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('pkg', self.gf('django.db.models.fields.related.ForeignKey')(related_name='conflicts', to=orm['main.Package'])),
+            ('name', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)),
+            ('comparison', self.gf('django.db.models.fields.CharField')(default='', max_length=255)),
+            ('version', self.gf('django.db.models.fields.CharField')(default='', max_length=255)),
+        ))
+        db.send_create_signal('packages', ['Conflict'])
+
+        # Adding model 'Replacement'
+        db.create_table('packages_replacement', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('pkg', self.gf('django.db.models.fields.related.ForeignKey')(related_name='replaces', to=orm['main.Package'])),
+            ('name', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)),
+            ('comparison', self.gf('django.db.models.fields.CharField')(default='', max_length=255)),
+            ('version', self.gf('django.db.models.fields.CharField')(default='', max_length=255)),
+        ))
+        db.send_create_signal('packages', ['Replacement'])
+
+
+    def backwards(self, orm):
+        # Deleting model 'Provision'
+        db.delete_table('packages_provision')
+        # Deleting model 'Conflict'
+        db.delete_table('packages_conflict')
+        # Deleting model 'Replacement'
+        db.delete_table('packages_replacement')
+
+
+    models = {
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'main.arch': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Arch', 'db_table': "'arches'"},
+            'agnostic': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'})
+        },
+        'main.package': {
+            'Meta': {'ordering': "('pkgname',)", 'object_name': 'Package', 'db_table': "'packages'"},
+            'arch': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'packages'", 'to': "orm['main.Arch']"}),
+            'build_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),
+            'compressed_size': ('django.db.models.fields.BigIntegerField', [], {'null': 'True'}),
+            'epoch': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'filename': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'files_last_update': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'flag_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'installed_size': ('django.db.models.fields.BigIntegerField', [], {'null': 'True'}),
+            'last_update': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'packager': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True'}),
+            'packager_str': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'pkgbase': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
+            'pkgdesc': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True'}),
+            'pkgname': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
+            'pkgrel': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'pkgver': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'repo': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'packages'", 'to': "orm['main.Repo']"}),
+            'url': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True'})
+        },
+        'main.repo': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Repo', 'db_table': "'repos'"},
+            'bugs_project': ('django.db.models.fields.SmallIntegerField', [], {'default': '1'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
+            'staging': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'svn_root': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
+            'testing': ('django.db.models.fields.BooleanField', [], {'default': 'False'})
+        },
+        'packages.conflict': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Conflict'},
+            'comparison': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
+            'pkg': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'conflicts'", 'to': "orm['main.Package']"}),
+            'version': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'})
+        },
+        'packages.license': {
+            'Meta': {'ordering': "['name']", 'object_name': 'License'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'pkg': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'licenses'", 'to': "orm['main.Package']"})
+        },
+        'packages.packagegroup': {
+            'Meta': {'object_name': 'PackageGroup'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'pkg': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'groups'", 'to': "orm['main.Package']"})
+        },
+        'packages.packagerelation': {
+            'Meta': {'unique_together': "(('pkgbase', 'user', 'type'),)", 'object_name': 'PackageRelation'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'pkgbase': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'type': ('django.db.models.fields.PositiveIntegerField', [], {'default': '1'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'package_relations'", 'to': "orm['auth.User']"})
+        },
+        'packages.provision': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Provision'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
+            'pkg': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'provides'", 'to': "orm['main.Package']"}),
+            'version': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'})
+        },
+        'packages.replacement': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Replacement'},
+            'comparison': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
+            'pkg': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'replaces'", 'to': "orm['main.Package']"}),
+            'version': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'})
+        }
+    }
+
+    complete_apps = ['packages']
diff --git a/packages/models.py b/packages/models.py
index 5dbdea4..63a7255 100644
--- a/packages/models.py
+++ b/packages/models.py
@@ -57,6 +57,50 @@ class License(models.Model):
     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