def collectioncompany(request):
try:
companyid = request.POST.get('companyid')
company = Company.objects.get(pk=companyid)
user = request.user
except Company.DoesNotExist:
raise Http404("Company does not exist")
collection = CollectionCompany.objects.filter(company=company, user=user)
cachekey = "company_collection_" + str(companyid)
if collection:
collection.delete()
collecicon = '收藏'
collection_icon = 'glyphicon-star-empty'
if cache.get(cachekey) != None:
cache.decr(cachekey)
else:
cache.set(cachekey, company.collectioncompany_set.count(), 1209600)
else:
c = CollectionCompany(user=user, company=company)
c.save()
collecicon = '已收藏'
collection_icon = 'glyphicon-star'
if cache.get(cachekey) != None:
cache.incr(cachekey)
else:
cache.set(cachekey, company.collectioncompany_set.count(), 1209600)
data = {
'collecicon': collecicon,
'collection_icon': collection_icon,
'collectioncount': cache.get(cachekey),
}
json_data = json.dumps(data)
return HttpResponse(json_data, content_type='application/json')
def acquire_lock(lock_name):
"""
A contextmanager to wait until an exclusive lock is available,
hold the lock and then release it when the code under context
is complete.
TODO: This code doesn't work like it should. It doesn't
wait indefinitely for the lock and in fact cycles through
very quickly.
"""
for _ in range(10):
try:
value = cache.incr(lock_name)
except ValueError:
cache.set(lock_name, 0)
value = cache.incr(lock_name)
if value == 1:
break
else:
cache.decr(lock_name)
else:
yield
cache.set(lock_name, 0)
return
yield
cache.decr(lock_name)
def insertdb(name, email, school):
# insert into database
# check if exist in email list
email_item = EmailList.objects.filter(email=email)
if not email_item:
# insert into email list
email_id = EmailList.objects.create(email=email).id
else:
email_id = email_item[0].id
# check if exist in user info
if UserInfo.objects.filter(emailid=email_id):
raise UserAlreadyRegisteredError('')
# insert into user info
UserInfo.objects.create(name=name, emailid=email_id, school=school)
# generate security email address and insert into check list
email_qr = email + '_' + str(random.randint(10, 99))
# check if there has enough tickets
print 'tickets left', cache.get('tickets')
if cache.get('tickets') <= 0:
raise TicketSoldOutError('')
cache.decr('tickets')
return email, email_qr, email_id
def decrement_counter_flagged(sender, flag, comment, **kwargs):
if flag.flag == flag.MODERATOR_DELETION and getattr(comment, "is_public", True):
key = get_cache_key_from_comment(comment)
try:
cache.decr(key)
except ValueError:
pass
def collectioninvestment(request):
try:
investmentid = request.POST.get('investmentid')
investment = Investment.objects.get(pk=investmentid)
user = request.user
except investment.DoesNotExist:
raise Http404("investment does not exist")
collection = CollectionInvestment.objects.filter(investment=investment, user=user)
cachekey = "investment_collection_" + str(investmentid)
if collection:
collection.delete()
collecicon = '收藏'
collection_icon = 'glyphicon-star-empty'
if cache.get(cachekey) != None:
cache.decr(cachekey)
else:
cache.set(cachekey, investment.collectioninvestment_set.count(), 1209600)
else:
c = CollectionInvestment(user=user, investment=investment)
c.save()
collecicon = '已收藏'
collection_icon = 'glyphicon-star'
if cache.get(cachekey) != None:
cache.incr(cachekey)
else:
cache.set(cachekey, investment.collectioninvestment_set.count(), 1209600)
data = {
'collecicon': collecicon,
'collection_icon': collection_icon,
'collectioncount': cache.get(cachekey),
}
json_data = json.dumps(data)
return HttpResponse(json_data, content_type='application/json')
def decrement_counter_post_save(sender, instance, **kwargs):
if getattr(instance, "is_public", True) and not getattr(instance, "is_removed", False):
key = get_cache_key_from_comment(instance)
try:
cache.decr(key)
except ValueError:
pass
def test_decr(self):
cache.set('calc', 43)
self.assertEqual(cache.decr('calc'), 42)
self.assertEqual(cache.get('calc'), 42)
self.assertEqual(cache.decr('calc', 10), 32)
self.assertEqual(cache.get('calc'), 32)
self.assertEqual(cache.decr('calc', -10), 42)
with self.assertRaises(ValueError):
cache.decr('does_not_exist')
def test_decr(self):
# Cache values can be decremented
cache.set('answer', 43)
self.assertEqual(cache.decr('answer'), 42)
self.assertEqual(cache.get('answer'), 42)
self.assertEqual(cache.decr('answer', 10), 32)
self.assertEqual(cache.get('answer'), 32)
self.assertEqual(cache.decr('answer', -10), 42)
self.assertRaises(ValueError, cache.decr, 'does_not_exist')
def test_decr(self):
# Cache values can be decremented
cache.set("answer", 43)
self.assertEqual(cache.decr("answer"), 42)
self.assertEqual(cache.get("answer"), 42)
self.assertEqual(cache.decr("answer", 10), 32)
self.assertEqual(cache.get("answer"), 32)
self.assertEqual(cache.decr("answer", -10), 42)
self.assertRaises(ValueError, cache.decr, "does_not_exist")
def test_incr_decr_timeout(self):
"""incr/decr does not modify expiry time (matches memcached behavior)"""
key = "value"
_key = cache.make_key(key)
cache.set(key, 1, timeout=cache.default_timeout * 10)
expire = cache._expire_info[_key]
cache.incr(key)
self.assertEqual(expire, cache._expire_info[_key])
cache.decr(key)
self.assertEqual(expire, cache._expire_info[_key])
def test_decr(self):
# Cache values can be decremented
cache.set('answer', 43)
assert cache.decr('answer') == 42
assert cache.get('answer') == 42
assert cache.decr('answer', 10) == 32
assert cache.get('answer') == 32
assert cache.decr('answer', -10) == 42
with pytest.raises(ValueError):
cache.decr('does_not_exist')
def setread(self): self.read = True instancesave.delay(self) cachekey = "user_unread_count" + str(self.recipient.id) if cache.get(cachekey) != None: cache.decr(cachekey) return '' else: unread = Notification.objects.filter(recipient = self.recipient).filter(read = False).count() cache.set(cachekey, unread, settings.CACHE_EXPIRETIME) return ''
def subtopicount(sender, **kwargs):
topic = kwargs.pop("instance")
group = Group.objects.get(id =topic.group.id)
value = topic.group.id
group.topicount -= 1
group.save()
cachekey = "group_topic_count_" + str(group.id)
if cache.get(cachekey) != None:
cache.decr(cachekey)
else:
group = Group.objects.get(id=value)
cache.set(cachekey, group.topicount)
def revert_rate_limit(scope, request):
"""Revert rate limit to previous state.
This can be used when rate limiting POST, but ignoring some events.
"""
key = get_cache_key(scope, request)
try:
# Try to decrease cache key
cache.decr(key)
except ValueError:
pass
def validateDo(request, base64encoded):
ip = getClientIP(request)
jsonString = b64decode(base64encoded).decode()
data = json.loads(jsonString)
password = genPassword(16)
field = False
try:
isValid(data)
except Exception as e:
return HttpResponseRedirect("error/{0}".format(e))
reqTimesLeft = cache.get("reqTimesLeft_{0}".format(ip))
if reqTimesLeft is None:
cache.add("reqTimesLeft_{0}".format(ip), 5, 900)
elif reqTimesLeft > 0:
cache.decr("reqTimesLeft_{0}".format(ip))
else:
return HttpResponseRedirect("error/{0}".format(50))
from selenium import webdriver
browser = webdriver.PhantomJS()
for server in [randint(1,9) for i in range(3)]:
try:
url = "http://forum{0}.hkgolden.com/ProfilePage.aspx?userid={1}".format(server, data["hkg_uid"])
browser.get(url)
elem = browser.find_element_by_xpath("//*")
html = elem.get_attribute("outerHTML")
field = pq(html)("#ctl00_ContentPlaceHolder1_tc_Profile_tb0_lb_website").html()
break
except:
pass
browser.close()
if not field and field != "":
return HttpResponseRedirect("error/{0}".format(100)) #Down server
elif field != base64encoded:
return HttpResponseRedirect("error/{0}".format(101)) #Wrong string
try:
conn = MinecraftJsonApi(host = 'localhost', port = 6510, username = '******', password = '******')
conn.call("players.name.whitelist", data["mc_name"])
conn.call("server.run_command", "authme register {0} {1}".format(data["mc_name"], password))
except:
return HttpResponseRedirect("error/{0}".format(102)) #Failed to communicate with server
else:
newUser = Whitelist.objects.create(ip = ip, time = time(), mc_name = data["mc_name"], hkg_uid = data["hkg_uid"], init_password = password)
newUser.save()
payload = {"password": password, "mc_name": data["mc_name"]}
jsonString = json.dumps(payload)
base64encoded = b64encode(jsonString.encode()).decode()
return HttpResponseRedirect("../success/{0}".format(base64encoded))
def acquire(self, value: int=1) -> bool:
"""
Decrement semaphore value. If semaphore is locked or value parameter is greater than current semaphore value
then raise ValueError indicating that cannot be acquired.
:param value: Number of values to acquire.
:return: True if semaphore acquired.
"""
current_value = self.value()
if current_value < 1 or current_value < value:
raise ValueError('Semaphore cannot be acquired')
cache.decr(self._cache_key, value)
return True
def leaveRoom(request):
'''
A method to decrease the number of user in the chatroom,
remove the user in the list, when user leaves the chatroom
'''
if 'roomId' not in request.POST or not request.POST['roomId']:
return redirect(reverse(chatIndex))
roomId = request.POST['roomId']
user = request.user
print 'leave ' + roomId
global room_key, user_prefix
cache.decr(room_key % (roomId))
cache.delete(user_prefix % (roomId) + user.username)
return HttpResponse('')
def commentdislike(request):
try:
commentid = request.POST.get('commentid')
comment = Comment.objects.get(pk=commentid)
user = request.user
except Article.DoesNotExist:
raise Http404("Article does not exist")
try:
commentdislike = CommentDisLike.objects.get(comment=comment, user=user)
except:
commentdislike = None
if commentdislike:
commentdislikecount = -1
#commentdislike.delete()
instancedelete.delay(commentdislike)
#减去缓存中评论点赞数
cachekey = "comment_dislike_count_" + str(comment.id)
if cache.get(cachekey) != None:
cache.decr(cachekey)
else:
cache.set(cachekey, comment.commentdislike_set.count())
cache.decr(cachekey)
# comment.readers = comment.readers - 1
# comment.save()
readersout.delay(comment)
else:
commentdislikecount = +1
#加上缓存中评论点赞数
cachekey = "comment_dislike_count_" + str(comment.id)
if cache.get(cachekey) != None:
cache.incr(cachekey)
else:
cache.set(cachekey, comment.commentdislike_set.count())
cache.incr(cachekey)
# comment.readers = comment.readers + 1
# comment.save()
readersin.delay(comment)
c = CommentDisLike(user=user, comment=comment)
#c.save()
instancesave.delay(c)
data = {
'commentdislikecount': commentdislikecount,
}
json_data = json.dumps(data)
#print 'commentlike'
return HttpResponse(json_data, content_type='application/json')
def update_posts_like(request, post_id):
error_messages = {
1: "Sorry, you are run out of points.\
You could get points with great posts.",
2: "You already liked this post before.",
3: "Something wrong with Redis server.",
4: "Something wrong with cauculate points."
}
post_author_id = request.POST.get("post_author_id", "")
post_likes_users = get_redis_connection("default")
post_object = Post.objects.get(id=post_id)
act_id = post_object.act_id
user_id = str(request.user.id)
user_points = cache.get("user_points_" + user_id)
if user_points < 1:
return HttpResponse(error_messages[1], status=500)
# if user already like the post
user_like = post_likes_users.zscore(
"post_"+str(post_id),
"user"+":"+str(request.user.id)
)
if user_like:
return HttpResponse(error_messages[2], status=500)
# add like to post
post_likes_users.zadd(
("post_"+str(post_id)),
time.time(),
"user"+":"+str(request.user.id)
)
post_likes_users.zadd(
("act_"+str(act_id)),
time.time(),
"post"+":"+str(post_id)
)
# update user points
cache.decr("user_points_" + user_id)
cache.incr("user_points_" + str(post_author_id))
return HttpResponse(status=201)
def delete(request, lets_id):
"""Delete a Lets object, only if logged in user is the creator."""
lets = get_object_or_404(Lets, pk=lets_id)
if lets.creator != request.user:
raise PermissionDenied
lets.delete()
# Coins
profile = request.user.profile
user_key = Lets.u_cache_key(request.user)
lets_key = cache.get(user_key)
if lets_key:
if lets_key > 0:
# No 250 -
cache.decr(user_key)
if lets_key <= 0:
# Yes 250 -
profile.update(coins=profile.coins -
ucs.ACTIONS_COINS['lets']['daily'])
cache.delete(user_key)
else:
# yes 250 -
profile.update(coins=profile.coins -
ucs.ACTIONS_COINS['lets']['daily'])
update_progress(profile, action='lets')
update_rewards(request.user, 'lets')
process_mojo_action_down(request.user, 'lets')
# TODO: return progress_data with ajax request. Modify js on lets side to
# update profile completion widget
next_url = reverse('lets.wall', args=[request.user.username])
if request.is_ajax():
return JSONResponse({'is_valid': True,
'msg': 'Deleted'})
return HttpResponseRedirect(next_url)
def collection(request):
try:
articleid = request.POST.get('articleid')
article = Article.objects.get(pk=articleid)
user = request.user
except Article.DoesNotExist:
raise Http404("Article does not exist")
try:
collection = Collection.objects.get(article=article, user=user)
except:
collection = None
if collection:
collection.delete()
collcount = -1
cachekey = "article_collection_" + str(articleid)
if cache.get(cachekey) != None:
cache.decr(cachekey)
else:
cache.set(cachekey, article.collection_set.count(), settings.CACHE_EXPIRETIME)
collecicon = '收藏'
else:
c = Collection(user=user, article=article)
c.save()
collcount = 1
cachekey = "article_collection_" + str(articleid)
if cache.get(cachekey) != None:
cache.incr(cachekey)
else:
cache.set(cachekey, article.collection_set.count(), settings.CACHE_EXPIRETIME)
collecicon = '已收藏'
data = {
'collecicon': collecicon,
'collcount': collcount,
}
json_data = json.dumps(data)
return HttpResponse(json_data, content_type='application/json')
def test_cache_versioning_incr_decr(self):
cache.set('answer1', 37, version=1)
cache.set('answer1', 42, version=2)
cache.incr('answer1')
self.assertEqual(cache.get('answer1', version=1), 38)
self.assertEqual(cache.get('answer1', version=2), 42)
cache.decr('answer1')
self.assertEqual(cache.get('answer1', version=1), 37)
self.assertEqual(cache.get('answer1', version=2), 42)
cache.set('answer2', 37, version=1)
cache.set('answer2', 42, version=2)
cache.incr('answer2', version=2)
self.assertEqual(cache.get('answer2', version=1), 37)
self.assertEqual(cache.get('answer2', version=2), 43)
cache.decr('answer2', version=2)
self.assertEqual(cache.get('answer2', version=1), 37)
self.assertEqual(cache.get('answer2', version=2), 42)
cache.set('answer3', 37, version=1)
cache.set('answer3', 42, version=2)
caches['v2'].incr('answer3')
self.assertEqual(cache.get('answer3', version=1), 37)
self.assertEqual(cache.get('answer3', version=2), 43)
caches['v2'].decr('answer3')
self.assertEqual(cache.get('answer3', version=1), 37)
self.assertEqual(cache.get('answer3', version=2), 42)
cache.set('answer4', 37, version=1)
cache.set('answer4', 42, version=2)
caches['v2'].incr('answer4', version=1)
self.assertEqual(cache.get('answer4', version=1), 38)
self.assertEqual(cache.get('answer4', version=2), 42)
caches['v2'].decr('answer4', version=1)
self.assertEqual(cache.get('answer4', version=1), 37)
self.assertEqual(cache.get('answer4', version=2), 42)
def test_cache_versioning_incr_decr(self):
cache.set("answer1", 37, version=1)
cache.set("answer1", 42, version=2)
cache.incr("answer1")
self.assertEqual(cache.get("answer1", version=1), 38)
self.assertEqual(cache.get("answer1", version=2), 42)
cache.decr("answer1")
self.assertEqual(cache.get("answer1", version=1), 37)
self.assertEqual(cache.get("answer1", version=2), 42)
cache.set("answer2", 37, version=1)
cache.set("answer2", 42, version=2)
cache.incr("answer2", version=2)
self.assertEqual(cache.get("answer2", version=1), 37)
self.assertEqual(cache.get("answer2", version=2), 43)
cache.decr("answer2", version=2)
self.assertEqual(cache.get("answer2", version=1), 37)
self.assertEqual(cache.get("answer2", version=2), 42)
cache.set("answer3", 37, version=1)
cache.set("answer3", 42, version=2)
caches["v2"].incr("answer3")
self.assertEqual(cache.get("answer3", version=1), 37)
self.assertEqual(cache.get("answer3", version=2), 43)
caches["v2"].decr("answer3")
self.assertEqual(cache.get("answer3", version=1), 37)
self.assertEqual(cache.get("answer3", version=2), 42)
cache.set("answer4", 37, version=1)
cache.set("answer4", 42, version=2)
caches["v2"].incr("answer4", version=1)
self.assertEqual(cache.get("answer4", version=1), 38)
self.assertEqual(cache.get("answer4", version=2), 42)
caches["v2"].decr("answer4", version=1)
self.assertEqual(cache.get("answer4", version=1), 37)
self.assertEqual(cache.get("answer4", version=2), 42)
def test_cache_versioning_incr_decr(self):
cache.set('answer1', 37, version=1)
cache.set('answer1', 42, version=2)
cache.incr('answer1')
assert cache.get('answer1', version=1) == 38
assert cache.get('answer1', version=2) == 42
cache.decr('answer1')
assert cache.get('answer1', version=1) == 37
assert cache.get('answer1', version=2) == 42
cache.set('answer2', 37, version=1)
cache.set('answer2', 42, version=2)
cache.incr('answer2', version=2)
assert cache.get('answer2', version=1) == 37
assert cache.get('answer2', version=2) == 43
cache.decr('answer2', version=2)
assert cache.get('answer2', version=1) == 37
assert cache.get('answer2', version=2) == 42
cache.set('answer3', 37, version=1)
cache.set('answer3', 42, version=2)
caches['v2'].incr('answer3')
assert cache.get('answer3', version=1) == 37
assert cache.get('answer3', version=2) == 43
caches['v2'].decr('answer3')
assert cache.get('answer3', version=1) == 37
assert cache.get('answer3', version=2) == 42
cache.set('answer4', 37, version=1)
cache.set('answer4', 42, version=2)
caches['v2'].incr('answer4', version=1)
assert cache.get('answer4', version=1) == 38
assert cache.get('answer4', version=2) == 42
caches['v2'].decr('answer4', version=1)
assert cache.get('answer4', version=1) == 37
assert cache.get('answer4', version=2) == 42
def test_decr(self):
key = 'test decr'
cache.set(key, 101)
self.assertEqual(100, cache.decr(key))
self.assertEqual(50, cache.decr(key, 50))
self.assertEqual(100, cache.decr(key, -50))
def upload_results_file(pending_upload_id: int):
pending_upload = PendingUpload.objects.get(id=pending_upload_id)
pending_upload.status = PendingUpload.STATE_STARTED
pending_upload.save()
data_source = pending_upload.data_source
logger.info(
"Started to process file [datasource %d, pending upload %d]",
data_source.id,
pending_upload_id,
)
try:
logger.info(
"Checking file format and data [datasource %d, pending upload %d]",
data_source.id,
pending_upload_id,
)
file_metadata, data = extract_data_from_uploaded_file(
pending_upload.uploaded_file)
try:
cache.incr("celery_workers_updating", ignore_key_check=True)
with RWLock( # several workers can update their records in paralel -> same as -> several threads can read from the same file
cache.client.get_client(),
"celery_worker_updating",
RWLock.READ,
expire=None,
), cache.lock( # but only one worker can make updates associated to a specific data source at the same time
f"celery_worker_lock_db_{data_source.id}"
), transaction.atomic(using=router.db_for_write(AchillesResults)):
logger.info(
"Updating results data [datasource %d, pending upload %d]",
data_source.id,
pending_upload_id,
)
pending_upload.uploaded_file.seek(0)
update_achilles_results_data(logger, pending_upload,
file_metadata)
logger.info(
"Creating an upload history record [datasource %d, pending upload %d]",
data_source.id,
pending_upload_id,
)
data_source.release_date = data["source_release_date"]
data_source.save()
pending_upload.uploaded_file.seek(0)
UploadHistory.objects.create(
data_source=data_source,
r_package_version=data["r_package_version"],
generation_date=data["generation_date"],
cdm_release_date=data["cdm_release_date"],
cdm_version=data["cdm_version"],
vocabulary_version=data["vocabulary_version"],
uploaded_file=pending_upload.uploaded_file.file,
pending_upload_id=pending_upload.id,
)
pending_upload.uploaded_file.delete()
pending_upload.delete()
finally:
workers_updating = cache.decr("celery_workers_updating")
except Exception as e:
pending_upload.status = PendingUpload.STATE_FAILED
pending_upload.save()
raise e
# The lines below can be used to later update materialized views of each chart
# To be more efficient, they should only be updated when the is no more workers inserting records
if not workers_updating:
refresh(logger, data_source.id)
def decr(self, key, delta=1):
key = self._clean_key(key)
logger.debug("Decrementing %s by %d" % (key, delta))
return cache.decr(key, delta)
def decr(self, delta=1):
'''
degeri delta kadar azaltir
'''
return cache.decr(self.key, delta=delta)
def test_decr_range(self):
cache.set('underwhelm', BIGINT_SIGNED_MIN + 1)
cache.decr('underwhelm')
with pytest.raises(OperationalError):
cache.decr('underwhelm')
assert def_cache == cache
assert rds_cache != cache
print('def_cache', def_cache)
print('rds_cache', rds_cache)
# 2）设置，如果将exp过期时间设置0或负值，就是删除缓存
# cache.set('key', 'value', exp=1000)
cache.set('key', 'value')
print(cache.set_many({'a': 1, 'b': 2, 'c': 3}))
print(cache.get_many(['a', 'b', 'c']))
# 3）获取
cache.get('key')
cache.set('num', 1)
cache.incr('num')
cache.incr('num', 10)
cache.decr('num')
cache.decr('num', 5)
cache.clear()
@cache_page(60 * 15, cache="redis") # 可以选用缓存方式
@cache_page(60 * 15, key_prefix="site1")
@cache_control(max_age=3600)
@never_cache
def myview(request):
pass
"""
https://segmentfault.com/q/1010000009705858
https://docs.djangoproject.com/zh-hans/3.0/topics/cache/#cache-key-prefixing
def test_cant_decr_decimals(self):
# Cached values that aren't ints can't be decremented
cache.set('answer', Decimal('9.9'))
with pytest.raises(ValueError):
cache.decr('answer')
def main():
usage = "usage: %prog [options]"
parser = OptionParser(usage=usage)
parser.add_option("-q", action="store_true", default=False, help="quiet mode", dest="quiet")
parser.add_option("-d", action="store_true", default=False, help="debug mode", dest="debug")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.error("incorrect number of arguments")
return 1
loglevel = "INFO"
if options.quiet:
loglevel = "WARNING"
if options.debug:
loglevel = "DEBUG"
logger = logging.getLogger()
logger.setLevel(logging._levelNames[loglevel])
fmt = "[MON:%(levelname)s %(asctime)s] %(message)s"
formatter = logging.Formatter(fmt, "%T")
handler = logging.StreamHandler(sys.stdout)
handler.setFormatter(formatter)
logger.handlers = []
logger.addHandler(handler)
cstate = State.objects.get(name="CREATED")
rstate = State.objects.get(name="RUNNING")
estate = State.objects.get(name="EXITING")
dstate = State.objects.get(name="DONE")
fstate = State.objects.get(name="FAULT")
ctimeout = 6
rtimeout = 72
etimeout = 30
ftimeout = 48 # 96
# created state
deltat = datetime.now(pytz.utc) - timedelta(hours=ctimeout)
# cjobs = Job.objects.filter(state=cstate, last_modified__lt=deltat)
cjobs = Job.objects.filter(state=cstate, last_modified__lt=deltat, flag=False)
logging.info("Stale created: %d" % cjobs.count())
# running state
deltat = datetime.now(pytz.utc) - timedelta(hours=rtimeout)
rjobs = Job.objects.filter(state=rstate, last_modified__lt=deltat, flag=False)
logging.info("Stale running: %d" % rjobs.count())
# exiting state
deltat = datetime.now(pytz.utc) - timedelta(minutes=etimeout)
ejobs = Job.objects.filter(state=estate, last_modified__lt=deltat)
logging.info("Stale exiting: %d" % ejobs.count())
# flagged jobs
deltat = datetime.now(pytz.utc) - timedelta(hours=ftimeout)
fjobs = Job.objects.filter(last_modified__lt=deltat, flag=True)
logging.info("Stale flagged: %d" % fjobs.count())
skey = {"CREATED": "fcr", "RUNNING": "frn", "EXITING": "fex"}
################
for j in cjobs:
# flag stale created jobs
if j.flag:
continue
# PAL commented to reduce mon_message table
# msg = "In CREATED state >%dhrs so flagging the job" % ctimeout
# m = Message(job=j, msg=msg, client="127.0.0.1")
# m.save()
# db.jobs.update({'name': j.id},{ '$push' : { 'msgs' : msg} }, upsert=True)
# redis here....
j.flag = True
j.save()
for j in rjobs:
# flag stale running jobs
if j.flag:
continue
# PAL commented to reduce mon_message table
# msg = "In RUNNING state >%dhrs so flagging the job" % rtimeout
# m = Message(job=j, msg=msg, client="127.0.0.1")
# m.save()
# db.jobs.update({'name': j.id},{ '$push' : { 'msgs' : msg} }, upsert=True)
j.flag = True
j.save()
for j in fjobs:
# move flagged jobs to FAULT state
msg = "Job flagged for >%dhrs so setting state to FAULT" % ftimeout
m = Message(job=j, msg=msg, client="127.0.0.1")
m.save()
# db.jobs.update({'name': j.id},{ '$push' : { 'msgs' : msg} }, upsert=True)
msg = "%s_%s: %s -> FAULT, stale job" % (j.fid.name, j.cid, j.state)
logging.debug(msg)
j.state = fstate
j.save()
################
# prefix = skey[statenow.name]
# key = "%s%d" % (prefix, j.fid.id)
# try:
# val = cache.decr(key)
# except ValueError:
# # key not known so set to current count
# msg = "MISS key: %s" % key
# logging.debug(msg)
# val = Job.objects.filter(fid=j.fid, state=statenow).count()
# added = cache.add(key, val)
# if added:
# msg = "Added DB count for key %s : %d" % (key, val)
# logging.debug(msg)
# else:
# msg = "Failed to decr key: %s" % key
# logging.debug(msg)
#
# key = "fft%d" % j.fid.id
# try:
# val = cache.incr(key)
# except ValueError:
# # key not known so set to current count
# msg = "MISS key: %s" % key
# logging.debug(msg)
# val = Job.objects.filter(fid=j.fid, state=fstate).count()
# added = cache.add(key, val)
# if added:
# msg = "Added DB count for key %s : %d" % (key, val)
# logging.debug(msg)
# else:
# msg = "Failed to incr key: %s" % key
# logging.debug(msg)
for j in ejobs:
# move EXITING jobs to DONE state
msg = "%s -> DONE" % j.state
m = Message(job=j, msg=msg, client="127.0.0.1")
m.save()
msg = "%s_%s: %s -> DONE" % (j.fid.name, j.cid, j.state)
logging.debug(msg)
j.state = dstate
j.save()
key = "fex%d" % j.fid.id
try:
val = cache.decr(key)
except ValueError:
# key not known so set to current count
msg = "MISS key: %s" % key
logging.debug(msg)
val = Job.objects.filter(fid=j.fid, state=estate).count()
added = cache.add(key, val)
if added:
msg = "Added DB count for key %s : %d" % (key, val)
logging.debug(msg)
else:
msg = "Failed to decr key: %s" % key
logging.debug(msg)
key = "fdn%d" % j.fid.id
try:
val = cache.incr(key)
except ValueError:
# key not known so set to current count
msg = "MISS key: %s" % key
logging.debug(msg)
val = Job.objects.filter(fid=j.fid, state=dstate).count()
added = cache.add(key, val)
if added:
msg = "Added DB count for key %s : %d" % (key, val)
logging.debug(msg)
else:
msg = "Failed to incr key: %s, db count: %d" % (key, val)
logging.debug(msg)
def test_decr_range(self):
cache.set('underwhelm', BIGINT_SIGNED_MIN + 1)
cache.decr('underwhelm')
with pytest.raises(OperationalError):
cache.decr('underwhelm')
def test_cant_decr_decimals(self):
# Cached values that aren't ints can't be decremented
cache.set('answer', Decimal('9.9'))
with pytest.raises(ValueError):
cache.decr('answer')
