-from datetime import timedelta
-from django.db import transaction
-from django.utils.timezone import now
-from pyqcg.service import Registry
-from pyqcg.utils import Credential, TimePeriod
+from django.core.paginator import Paginator
+from django.utils.formats import date_format
+from django.utils.timezone import localtime
+
+from qcg import constants
def get_attributes(obj, attrs):
return username
-@transaction.atomic
-def update_user_data(user, proxy):
- from qcg.models import User, Job, Task, Allocation, NodeInfo
-
- credential = Credential(proxy)
- registry = Registry(credential)
-
- # put lock on user record (hopefully..?)
- user = User.objects.select_for_update().get(pk=user.pk)
-
- changed_filter = {'changed': TimePeriod(after=user.last_update)}
-
- ###################################
- # Jobs
- ###################################
- for qcg_job in registry.jobs(**changed_filter):
- params = Job.qcg_map(qcg_job, user)
- job_id = params.pop('job_id')
+def try_parse_int(s, default=None, base=10):
+ try:
+ return int(s, base)
+ except (TypeError, ValueError):
+ return default
- Job.objects.update_or_create(job_id=job_id, defaults=params)
- ###################################
- # Tasks
- ###################################
- jobs_cache = {j.job_id: j for j in Job.objects.filter(owner=user)}
- for qcg_task in registry.tasks(**changed_filter):
- params = Task.qcg_map(qcg_task, jobs_cache)
- task_id = params.pop('task_id')
+def paginator_context(request, objects, per_page=constants.PER_PAGE):
+ paginator = Paginator(objects, per_page)
- task, created = Task.objects.update_or_create(job__job_id=qcg_task.job_id, task_id=task_id, defaults=params)
+ page_num = try_parse_int(request.GET.get('page'), 1)
+ if not (1 <= page_num <= paginator.num_pages):
+ page_num = 1
- if not created:
- task.allocations.all().delete()
+ pages_range = range(max(2, min(page_num - 2, paginator.num_pages - 4)),
+ min(max(page_num + 2, 5), paginator.num_pages) + 1)
- for qcg_alloc in qcg_task.allocations:
- alloc = task.allocations.create(**Allocation.qcg_map(qcg_alloc))
+ return {'page': paginator.page(page_num), 'num_pages': paginator.num_pages, 'pages_range': pages_range}
- for qcg_node in qcg_alloc.nodes:
- alloc.nodes.create(**NodeInfo.qcg_map(qcg_node))
- # release user lock
- user.last_update = now()
- user.save()
+def localtime_str(datetime):
+ return date_format(localtime(datetime), 'DATETIME_FORMAT')