src_prepare/euscan-ng
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apis now use manager

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This commit is contained in:
volpino 2012-05-05 10:22:59 +02:00
parent 6464187342
commit 7ad08128cd
3 changed files with 57 additions and 76 deletions
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89
euscanwww/djeuscan/api/handlers.py
View File

@ -1,46 +1,19 @@
from piston.handler import AnonymousBaseHandler
from piston.utils import rc
from django.db.models import Sum, Max
from django.core.exceptions import ObjectDoesNotExist
from django.forms.models import model_to_dict
from djeuscan.models import Version, Package, Herd, Maintainer, EuscanResult, \
VersionLog
from djeuscan.helpers import xint
from djeuscan.helpers import catch_and_return
# replace default XMLEmitter with ours
from piston.emitters import Emitter
from emitters import EuscanXMLEmitter
from .emitters import EuscanXMLEmitter
Emitter.register('xml', EuscanXMLEmitter, 'text/xml; charset=utf-8')
def renameFields(vqs, fields):
ret = []
for n in vqs:
for tr in fields:
if tr[0] in n:
n[tr[1]] = n[tr[0]]
del n[tr[0]]
ret.append(n)
return ret
class catch_and_return(object):
def __init__(self, err, response):
self.err = err
self.response = response
def __call__(self, fn):
def wrapper(*args, **kwargs):
try:
return fn(*args, **kwargs)
except self.err:
return self.response
return wrapper
# /api/1.0/
class RootHandler(AnonymousBaseHandler):
allowed_methods = ('GET',)
@ -54,19 +27,15 @@ class StatisticsHandler(AnonymousBaseHandler):
allowed_methods = ('GET',)
def read(self, request):
_aggr = Package.objects.aggregate
data = {}
data['n_packaged'] = xint(_aggr(Sum('n_packaged'))['n_packaged__sum'])
data['n_overlay'] = xint(_aggr(Sum('n_overlay'))['n_overlay__sum'])
data['n_versions'] = xint(_aggr(Sum('n_versions'))['n_versions__sum'])
data['n_upstream'] = data['n_versions'] - data['n_packaged'] - \
data['n_overlay']
data['n_packaged'] = Package.objects.n_packaged()
data['n_overlay'] = Package.objects.n_overlay()
data['n_versions'] = Package.objects.n_versions()
data['n_upstream'] = Package.objects.n_upstream()
data['n_packages'] = Package.objects.count()
data['n_herds'] = Herd.objects.count()
data['n_maintainers'] = Maintainer.objects.count()
data['last_scan'] = EuscanResult.objects.get(
id=EuscanResult.objects.aggregate(Max('id'))['id__max']
).datetime
data['last_scan'] = EuscanResult.objects.latest().datetime
return data
@ -76,22 +45,8 @@ class MaintainersHandler(AnonymousBaseHandler):
allowed_methods = ('GET',)
def read(self, request):
maintainers = Package.objects.filter(maintainers__isnull=False)
maintainers = maintainers.values(
'maintainers__id',
'maintainers__name',
'maintainers__email'
)
maintainers = maintainers.annotate(n_packaged=Sum('n_packaged'),
n_overlay=Sum('n_overlay'),
n_versions=Sum('n_versions'))
maintainers = Package.objects.maintainers(rename=True)
maintainers = renameFields(
maintainers,
[('maintainers__id', 'id'),
('maintainers__name', 'name'),
('maintainers__email', 'email')]
)
return {'maintainers': maintainers}
@ -102,14 +57,8 @@ class HerdsHandler(AnonymousBaseHandler):
def read(self, request):
# FIXME: optimize the query, it uses 'LEFT OUTER JOIN'
# instead of 'INNER JOIN'
herds = Package.objects.filter(herds__isnull=False)
herds = herds.values('herds__herd').annotate(
n_packaged=Sum('n_packaged'),
n_overlay=Sum('n_overlay'),
n_versions=Sum('n_versions')
)
herds = Package.objects.herds(rename=True)
herds = renameFields(herds, [('herds__herd', 'herd')])
return {'herds': herds}
@ -118,10 +67,7 @@ class CategoriesHandler(AnonymousBaseHandler):
allowed_methods = ('GET',)
def read(self, request):
categories = Package.objects.values('category')
categories = categories.annotate(n_packaged=Sum('n_packaged'),
n_overlay=Sum('n_overlay'),
n_versions=Sum('n_versions'))
categories = Package.objects.categories()
return {'categories': categories}
@ -142,22 +88,17 @@ class PackagesHandler(AnonymousBaseHandler):
data = {}
if 'category' in kwargs:
packages = Package.objects.filter(category=kwargs['category'])
packages = Package.objects.for_category(kwargs['category'])
data = {'category': kwargs['category']}
elif 'herd' in kwargs:
herd = Herd.objects.get(herd=kwargs['herd'])
packages = Package.objects.filter(herds__id=herd.id)
packages = Package.objects.for_herd(herd)
data = {'herd': herd}
elif 'maintainer_id' in kwargs:
maintainer = Maintainer.objects.get(id=kwargs['maintainer_id'])
packages = Package.objects.filter(maintainers__id=maintainer.id)
packages = Package.objects.for_maintainer(maintainer)
data = {'maintainer': maintainer}
packages = packages.select_related(
'last_version_gentoo',
'last_version_overlay',
'last_version_upstream'
)
data['packages'] = packages
if not data:
@ -173,11 +114,13 @@ class PackageHandler(AnonymousBaseHandler):
@catch_and_return(ObjectDoesNotExist, rc.NOT_FOUND)
def read(self, request, category, package):
package = Package.objects.get(category=category, name=package)
package.homepages = package.homepage.split(' ')
versions = Version.objects.filter(package=package)
log = EuscanResult.objects.filter(package=package).\
order_by('-datetime')[:1]
log = log[0] if log else None
vlog = VersionLog.objects.filter(package=package).order_by('-id')
herds = []

25
euscanwww/djeuscan/helpers.py
View File

@ -41,3 +41,28 @@ def packages_from_names(data):
else:
packages.extend(Package.objects.filter(name=pkg))
return packages
def rename_fields(vqs, fields):
ret = []
for n in vqs:
for tr in fields:
if tr[0] in n:
n[tr[1]] = n[tr[0]]
del n[tr[0]]
ret.append(n)
return ret
class catch_and_return(object):
def __init__(self, err, response):
self.err = err
self.response = response
def __call__(self, fn):
def wrapper(*args, **kwargs):
try:
return fn(*args, **kwargs)
except self.err:
return self.response
return wrapper

19
euscanwww/djeuscan/managers.py
View File

@ -3,7 +3,7 @@ djeuscan.managers
"""
from django.db import models
from djeuscan.helpers import xint
from djeuscan.helpers import xint, rename_fields
class PackageMixin(object):
@ -33,7 +33,7 @@ class PackageMixin(object):
n_versions=models.Sum('n_versions')
)
def herds(self):
def herds(self, rename=False):
"""
Returns all the available herds
"""
@ -45,9 +45,13 @@ class PackageMixin(object):
n_overlay=models.Sum('n_overlay'),
n_versions=models.Sum('n_versions')
)
if rename:
res = rename_fields(res, [('herds__herd', 'herd')])
return res
def maintainers(self):
def maintainers(self, rename=False):
"""
Returns all the available maintainers
"""
@ -59,6 +63,15 @@ class PackageMixin(object):
n_overlay=models.Sum('n_overlay'),
n_versions=models.Sum('n_versions')
)
if rename:
res = rename_fields(
res,
[('maintainers__id', 'id'),
('maintainers__name', 'name'),
('maintainers__email', 'email')]
)
return res
def overlays(self):