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Add migrations to convert existing databases to the class based permission system

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This commit is contained in:
Roberto Rosario
2011-12-19 17:06:41 -04:00
parent 00875ddea2
commit 4cd36026b9
6 changed files with 316 additions and 4 deletions
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105
apps/permissions/migrations/0001_initial.py Normal file
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# 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 'Permission'
db.create_table('permissions_permission', (
('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
('namespace', self.gf('django.db.models.fields.CharField')(max_length=64)),
('name', self.gf('django.db.models.fields.CharField')(max_length=64)),
('label', self.gf('django.db.models.fields.CharField')(max_length=96)),
))
db.send_create_signal('permissions', ['Permission'])
# Adding unique constraint on 'Permission', fields ['namespace', 'name']
db.create_unique('permissions_permission', ['namespace', 'name'])
# Adding model 'PermissionHolder'
db.create_table('permissions_permissionholder', (
('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
('permission', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['permissions.Permission'])),
('holder_type', self.gf('django.db.models.fields.related.ForeignKey')(related_name='permission_holder', to=orm['contenttypes.ContentType'])),
('holder_id', self.gf('django.db.models.fields.PositiveIntegerField')()),
))
db.send_create_signal('permissions', ['PermissionHolder'])
# Adding model 'Role'
db.create_table('permissions_role', (
('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
('name', self.gf('django.db.models.fields.CharField')(unique=True, max_length=64)),
('label', self.gf('django.db.models.fields.CharField')(unique=True, max_length=64)),
))
db.send_create_signal('permissions', ['Role'])
# Adding model 'RoleMember'
db.create_table('permissions_rolemember', (
('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
('role', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['permissions.Role'])),
('member_type', self.gf('django.db.models.fields.related.ForeignKey')(related_name='role_member', to=orm['contenttypes.ContentType'])),
('member_id', self.gf('django.db.models.fields.PositiveIntegerField')()),
))
db.send_create_signal('permissions', ['RoleMember'])
def backwards(self, orm):
# Removing unique constraint on 'Permission', fields ['namespace', 'name']
db.delete_unique('permissions_permission', ['namespace', 'name'])
# Deleting model 'Permission'
db.delete_table('permissions_permission')
# Deleting model 'PermissionHolder'
db.delete_table('permissions_permissionholder')
# Deleting model 'Role'
db.delete_table('permissions_role')
# Deleting model 'RoleMember'
db.delete_table('permissions_rolemember')
models = {
'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'})
},
'permissions.permission': {
'Meta': {'ordering': "('namespace', 'label')", 'unique_together': "(('namespace', 'name'),)", 'object_name': 'Permission'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'label': ('django.db.models.fields.CharField', [], {'max_length': '96'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
'namespace': ('django.db.models.fields.CharField', [], {'max_length': '64'})
},
'permissions.permissionholder': {
'Meta': {'object_name': 'PermissionHolder'},
'holder_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
'holder_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'permission_holder'", 'to': "orm['contenttypes.ContentType']"}),
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'permission': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['permissions.Permission']"})
},
'permissions.role': {
'Meta': {'ordering': "('label',)", 'object_name': 'Role'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'label': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'}),
'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'})
},
'permissions.rolemember': {
'Meta': {'object_name': 'RoleMember'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'member_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
'member_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'role_member'", 'to': "orm['contenttypes.ContentType']"}),
'role': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['permissions.Role']"})
}
}
complete_apps = ['permissions']

81
apps/permissions/migrations/0002_auto__add_storedpermission__add_unique_storedpermission_namespace_name.py Normal file
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# 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 'StoredPermission'
db.create_table('permissions_storedpermission', (
('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
('namespace', self.gf('django.db.models.fields.CharField')(max_length=64)),
('name', self.gf('django.db.models.fields.CharField')(max_length=64)),
))
db.send_create_signal('permissions', ['StoredPermission'])
# Adding unique constraint on 'StoredPermission', fields ['namespace', 'name']
db.create_unique('permissions_storedpermission', ['namespace', 'name'])
# Changing field 'PermissionHolder.permission'
db.alter_column('permissions_permissionholder', 'permission_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['permissions.StoredPermission']))
def backwards(self, orm):
# Removing unique constraint on 'StoredPermission', fields ['namespace', 'name']
db.delete_unique('permissions_storedpermission', ['namespace', 'name'])
# Deleting model 'StoredPermission'
db.delete_table('permissions_storedpermission')
# Changing field 'PermissionHolder.permission'
db.alter_column('permissions_permissionholder', 'permission_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['permissions.Permission']))
models = {
'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'})
},
'permissions.permission': {
'Meta': {'ordering': "('namespace',)", 'unique_together': "(('namespace', 'name'),)", 'object_name': 'Permission'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'label': ('django.db.models.fields.CharField', [], {'max_length': '96'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
'namespace': ('django.db.models.fields.CharField', [], {'max_length': '64'})
},
'permissions.permissionholder': {
'Meta': {'object_name': 'PermissionHolder'},
'holder_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
'holder_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'permission_holder'", 'to': "orm['contenttypes.ContentType']"}),
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'permission': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['permissions.StoredPermission']"})
},
'permissions.role': {
'Meta': {'ordering': "('label',)", 'object_name': 'Role'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'label': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'}),
'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'})
},
'permissions.rolemember': {
'Meta': {'object_name': 'RoleMember'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'member_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
'member_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'role_member'", 'to': "orm['contenttypes.ContentType']"}),
'role': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['permissions.Role']"})
},
'permissions.storedpermission': {
'Meta': {'ordering': "('namespace',)", 'unique_together': "(('namespace', 'name'),)", 'object_name': 'StoredPermission'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
'namespace': ('django.db.models.fields.CharField', [], {'max_length': '64'})
}
}
complete_apps = ['permissions']

61
apps/permissions/migrations/0003_clear_permission_holders.py Normal file
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@@ -0,0 +1,61 @@
# encoding: utf-8
import datetime
from south.db import db
from south.v2 import DataMigration
from django.db import models
class Migration(DataMigration):
def forwards(self, orm):
for permission_holder in orm.PermissionHolder.objects.all():
permission_holder.delete()
def backwards(self, orm):
raise RuntimeError("Cannot reverse this migration.")
models = {
'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'})
},
'permissions.permission': {
'Meta': {'ordering': "('namespace',)", 'unique_together': "(('namespace', 'name'),)", 'object_name': 'Permission'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'label': ('django.db.models.fields.CharField', [], {'max_length': '96'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
'namespace': ('django.db.models.fields.CharField', [], {'max_length': '64'})
},
'permissions.permissionholder': {
'Meta': {'object_name': 'PermissionHolder'},
'holder_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
'holder_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'permission_holder'", 'to': "orm['contenttypes.ContentType']"}),
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'permission': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['permissions.StoredPermission']"})
},
'permissions.role': {
'Meta': {'ordering': "('label',)", 'object_name': 'Role'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'label': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'}),
'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'})
},
'permissions.rolemember': {
'Meta': {'object_name': 'RoleMember'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'member_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
'member_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'role_member'", 'to': "orm['contenttypes.ContentType']"}),
'role': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['permissions.Role']"})
},
'permissions.storedpermission': {
'Meta': {'ordering': "('namespace',)", 'unique_together': "(('namespace', 'name'),)", 'object_name': 'StoredPermission'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
'namespace': ('django.db.models.fields.CharField', [], {'max_length': '64'})
}
}
complete_apps = ['permissions']

69
apps/permissions/migrations/0004_auto__del_permission__del_unique_permission_namespace_name.py Normal file
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@@ -0,0 +1,69 @@
# 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):
# Removing unique constraint on 'Permission', fields ['namespace', 'name']
db.delete_unique('permissions_permission', ['namespace', 'name'])
# Deleting model 'Permission'
db.delete_table('permissions_permission')
def backwards(self, orm):
# Adding model 'Permission'
db.create_table('permissions_permission', (
('namespace', self.gf('django.db.models.fields.CharField')(max_length=64)),
('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
('name', self.gf('django.db.models.fields.CharField')(max_length=64)),
('label', self.gf('django.db.models.fields.CharField')(max_length=96)),
))
db.send_create_signal('permissions', ['Permission'])
# Adding unique constraint on 'Permission', fields ['namespace', 'name']
db.create_unique('permissions_permission', ['namespace', 'name'])
models = {
'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'})
},
'permissions.permissionholder': {
'Meta': {'object_name': 'PermissionHolder'},
'holder_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
'holder_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'permission_holder'", 'to': "orm['contenttypes.ContentType']"}),
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'permission': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['permissions.StoredPermission']"})
},
'permissions.role': {
'Meta': {'ordering': "('label',)", 'object_name': 'Role'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'label': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'}),
'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'})
},
'permissions.rolemember': {
'Meta': {'object_name': 'RoleMember'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'member_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
'member_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'role_member'", 'to': "orm['contenttypes.ContentType']"}),
'role': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['permissions.Role']"})
},
'permissions.storedpermission': {
'Meta': {'ordering': "('namespace',)", 'unique_together': "(('namespace', 'name'),)", 'object_name': 'StoredPermission'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
'namespace': ('django.db.models.fields.CharField', [], {'max_length': '64'})
}
}
complete_apps = ['permissions']

0
apps/permissions/migrations/__init__.py Normal file
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4
apps/permissions/models.py
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@@ -89,9 +89,6 @@ class Permission(object):
stored_permission, created = StoredPermission.objects.get_or_create(
namespace=self.namespace.name,
name=self.name,
defaults={
'label': self.label
}
)
stored_permission.label = self.label
stored_permission.save()
@@ -114,7 +111,6 @@ Permission._default_manager = Permission.objects
class StoredPermission(models.Model):
namespace = models.CharField(max_length=64, verbose_name=_(u'namespace'))
name = models.CharField(max_length=64, verbose_name=_(u'name'))
label = models.CharField(max_length=96, verbose_name=_(u'label')) # TODO: Create migration
objects = StoredPermissionManager()