def changed_items(for_date, batch=None):
"""Returns a list of objects that are new or changed and not pushed"""
from nudge.client import send_command
types = []
for type_key in settings.NUDGE_SELECTIVE:
app, model = type_key.lower().split('.')
try:
types.append(ContentType.objects.get_by_natural_key(app, model))
except ContentType.DoesNotExist:
raise ValueError(
'Model listed in NUDGE_SELECTIVE does not exist: %s.%s' %
(app, model))
eligible_versions = Version.objects.all().filter(
revision__date_created__gte=for_date,
content_type__in=types
).order_by('-revision__date_created')
pot_batch_items = [PotentialBatchItem(version, batch=batch)
for version in eligible_versions]
seen_pbis = []
keys = [pbi.key() for pbi in pot_batch_items]
response = send_command('check-versions/', {
'keys': json.dumps(keys)}
).read()
try:
remote_versions = json.loads(response)
except ValueError, e:
raise CommandException(
'Error decoding \'check-versions\' response: %s' % e, e)
def changed_items(for_date, batch=None):
"""Returns a list of objects that are new or changed and not pushed"""
from nudge.client import send_command
types = []
for type_key in settings.NUDGE_SELECTIVE:
app, model = type_key.lower().split('.')
try:
types.append(ContentType.objects.get_by_natural_key(app, model))
except ContentType.DoesNotExist:
raise ValueError(
'Model listed in NUDGE_SELECTIVE does not exist: %s.%s' %
(app, model))
eligible_versions = Version.objects.all().filter(
revision__date_created__gte=for_date,
content_type__in=types
).order_by('-revision__date_created')
pot_batch_items = [PotentialBatchItem(version, batch=batch)
for version in eligible_versions]
seen_pbis = []
keys = [pbi.key() for pbi in pot_batch_items]
response = send_command('check-versions/', {
'keys': json.dumps(keys)}
).read()
try:
remote_versions = json.loads(response)
except ValueError, e:
raise CommandException(
'Error decoding \'check-versions\' response: %s' % e, e)
def push_test_batch():
"""
pushes empty batch to server to test settings and returns True on success
"""
try:
key = settings.NUDGE_KEY.decode('hex')
response = send_command('batch/', serialize_batch(key, Batch()))
return False if response.getcode() != 200 else True
except:
return False
def push_one(batch_push_item):
key = settings.NUDGE_KEY.decode('hex')
if batch_push_item.last_tried and batch_push_item.success:
return 200
batch_push_item.last_tried = datetime.datetime.now()
try:
response = send_command(
'batch/', serialize_objects(key, [batch_push_item]))
if response.getcode() == 200:
batch_push_item.success=True
except CommandException, e:
response = e.orig_exception
def changed_items(for_date, batch=None):
"""Returns a list of objects that are new or changed and not pushed"""
from nudge.client import send_command
types = []
for type_key in settings.NUDGE_SELECTIVE:
app, model = type_key.split('.')
types.append(ContentType.objects.get_by_natural_key(app, model))
eligible_versions = (Version.objects.all()
.filter(revision__date_created__gte=for_date)
.filter(content_type__in=types)
.order_by('-revision__date_created'))
pot_batch_items = [PotentialBatchItem(version, batch=batch) for version in
eligible_versions]
seen_pbis = []
keys = [pbi.key() for pbi in pot_batch_items]
remote_versions_str = send_command('check-versions/',
{'keys': json.dumps(keys)}).read()
remote_versions = json.loads(remote_versions_str)
def seen(key):
if key not in seen_pbis:
seen_pbis.append(key)
return True
else:
return False
pot_batch_items = filter(seen, pot_batch_items)
screened_pbis = []
for pbi in pot_batch_items:
remote_details = remote_versions[pbi.key()]
if remote_details:
version_pk, version_type, timestamp = remote_details
if not(version_pk == pbi.version.pk):
pbi.remote_timestamp = timestamp
pbi.remote_change_type = VERSION_TYPE_LOOKUP[version_type]
screened_pbis.append(pbi)
else:
screened_pbis.append(pbi)
return sorted(screened_pbis, key=lambda pbi: pbi.content_type)
