summaryrefslogtreecommitdiff
path: root/packages/utils.py
diff options
context:
space:
mode:
authorDan McGee <dan@archlinux.org>2012-04-07 14:44:06 -0500
committerDan McGee <dan@archlinux.org>2012-04-07 14:55:06 -0500
commit068bc8db6bbfd9e1ed078d72169f34da97914c82 (patch)
tree1c0b82aed0fbd61b25c444311a896dff5161a381 /packages/utils.py
parentb5ab5b1e218219b09857b06f88e522bccb4b5600 (diff)
Move PackageJSONEncoder into package.utils module
This will allow it to be used elsewhere, and doesn't really belong in views anyway. Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'packages/utils.py')
-rw-r--r--packages/utils.py37
1 files changed, 36 insertions, 1 deletions
diff --git a/packages/utils.py b/packages/utils.py
index 2a43a08b..a3c13b17 100644
--- a/packages/utils.py
+++ b/packages/utils.py
@@ -2,13 +2,15 @@ from collections import defaultdict
from itertools import chain
from operator import itemgetter
+from django.core.serializers.json import DjangoJSONEncoder
from django.db import connection
from django.db.models import Count, Max, F
from django.contrib.auth.models import User
-from main.models import Package, Arch, Repo
+from main.models import Package, PackageDepend, PackageFile, Arch, Repo
from main.utils import cache_function, groupby_preserve_order, PackageStandin
from .models import (PackageGroup, PackageRelation,
+ License, Conflict, Provision, Replacement,
SignoffSpecification, Signoff, DEFAULT_SIGNOFF_SPEC)
@cache_function(127)
@@ -422,4 +424,37 @@ def get_signoff_groups(repos=None, user=None):
return signoff_groups
+
+class PackageJSONEncoder(DjangoJSONEncoder):
+ pkg_attributes = [ 'pkgname', 'pkgbase', 'repo', 'arch', 'pkgver',
+ 'pkgrel', 'epoch', 'pkgdesc', 'url', 'filename', 'compressed_size',
+ 'installed_size', 'build_date', 'last_update', 'flag_date',
+ 'maintainers', 'packager' ]
+ pkg_list_attributes = [ 'groups', 'licenses', 'conflicts',
+ 'provides', 'replaces', 'depends' ]
+
+ def default(self, obj):
+ if hasattr(obj, '__iter__'):
+ # mainly for queryset serialization
+ return list(obj)
+ if isinstance(obj, Package):
+ data = dict((attr, getattr(obj, attr))
+ for attr in self.pkg_attributes)
+ for attr in self.pkg_list_attributes:
+ data[attr] = getattr(obj, attr).all()
+ return data
+ if isinstance(obj, PackageFile):
+ filename = obj.filename or ''
+ return obj.directory + filename
+ if isinstance(obj, (Repo, Arch)):
+ return obj.name.lower()
+ if isinstance(obj, (PackageGroup, License)):
+ return obj.name
+ if isinstance(obj, (Conflict, Provision, Replacement, PackageDepend)):
+ return unicode(obj)
+ elif isinstance(obj, User):
+ return obj.username
+ return super(PackageJSONEncoder, self).default(obj)
+
+
# vim: set ts=4 sw=4 et: