def make_celery(app): celery = Celery(app.import_name, broker=app.config['CELERY_BROKER_URL']) celery.conf.update(app.config) TaskBase = celery.Task class ContextTask(TaskBase): abstract = True def __call__(self, *args, **kwargs): with app.app_context(): return TaskBase.__call__(self, *args, **kwargs) celery.Task = ContextTask return celery
def make_celery(app):
celery = Celery(app.import_name,
backend=app.config['CELERY_RESULT_BACKEND'],
broker=app.config['CELERY_BROKER_URL'])
celery.conf.update(app.config)
TaskBase = celery.Task
class ContextTask(TaskBase):
abstract = True
def __call__(self, *args, **kwargs):
with app.app_context():
return TaskBase.__call__(self, *args, **kwargs)
celery.Task = ContextTask
return celery
def create_celery_app(app, settings_override=None):
"""
初始化异步任务框架
:param app:
:param settings_override:
:return:
"""
from flask.ext.celery import Celery
celery = Celery(app.import_name, broker=app.config.get('CELERY_BROKER_URL'))
celery.conf.update(app.config)
celery.conf.update(settings_override)
context_task = celery.Task
class ContextTask(context_task):
abstract = True
def __call__(self, *args, **kwargs):
with app.app_context():
return context_task.__call__(self, *args, **kwargs)
celery.Task = ContextTask
return celery
def app_context(request):
"""Initializes the application and sets the app context to avoid needing 'with app.app_context():'.
This needs to run first, so it has been placed in the top-level conftest.py and the function starts with the letter
'a'.
"""
app = Flask(__name__)
app.config['CELERY_ALWAYS_EAGER'] = True
app.config['TESTING'] = True
app.config['REDIS_URL'] = 'redis://localhost/1'
app.config['CELERY_BROKER_URL'] = 'redis://localhost/1'
app.config['CELERY_RESULT_BACKEND'] = 'redis://localhost/1'
Celery(app)
Redis(app)
context = app.app_context()
context.push()
request.addfinalizer(lambda: context.pop())
from flask import Flask
from flask_heroku import Heroku
from flask_sslify import SSLify
from raven.contrib.flask import Sentry
from flask.ext.celery import Celery
app = Flask(__name__)
app.secret_key = os.environ.get('APP_SECRET', 'some-secret-key')
app.debug = 'DEBUG' in os.environ
# Use gevent workers for celery.
app.config['CELERYD_POOL'] = 'gevent'
# Bootstrap Heroku environment variables.
heroku = Heroku(app)
# Redirect urls to https
sslify = SSLify(app)
# Setup error collection
sentry = Sentry(app)
# Task queue
celery = Celery(app)
@app.route('/')
def hello_world():
return 'Hello World!'
from datetime import datetime, timedelta
import time
from app import app, db
from models import Agency, Prediction
from nextbus import Nextbus
"""
Celery is a task queue for background task processing. We're using it
for scheduled tasks, which are configured in this file.
The task execution schedule can be found/tweaked in config.py.
"""
# Create new Celery object with configured broker; get other cfg params
celery = Celery(app)
celery.conf.update(app.config)
# This wraps task execution in an app context (for db session, etc)
TaskBase = celery.Task
class ContextTask(TaskBase):
abstract = True
def __call__(self, *args, **kwargs):
with app.app_context():
return TaskBase.__call__(self, *args, **kwargs)
celery.Task = ContextTask
logger = get_task_logger(__name__)
# Task definitions:
@celery.task()
import requests
from datetime import datetime
from dateutil.parser import parse as parse_date
from flask.ext.celery import Celery
from juggernaut import Juggernaut
from mongoengine.queryset import Q
from breezeminder.app import app
from breezeminder.models.card import BreezeCard
from breezeminder.models.messaging import Messaging
from breezeminder.models.marta import Bus
celery = Celery(app)
celery.config_from_object(app.config)
# 15 Minute default
DEFAULT_RETRY = 15 * 60
@celery.task(name="tasks.check_card_pulls", ignore_result=True)
def check_card_pulls():
""" Find cards that aren't scheduled for a pull """
logger = check_card_pulls.get_logger()
threshold = datetime.now() - app.config["REFRESH_INTERVAL"] - app.config["CARD_STALE_THRESH"]
logger.info("Checking stale cards never loaded or loaded before %s" % threshold)
def test_one_dumb_line():
app = FakeApp()
Celery(app)
assert 'celery' in app.extensions
def test_multiple():
assert 'celery' in current_app.extensions
with pytest.raises(ValueError):
Celery(current_app)
def test_one_dumb_line():
flask_app = FakeApp()
Celery(flask_app)
assert 'celery' in flask_app.extensions
from flask.ext.principal import Principal, Permission, RoleNeed
from flask.ext.restful import Api
from flask.ext.admin import Admin
from flask_debugtoolbar import DebugToolbarExtension
from flask.ext.cache import Cache
from flask.ext.assets import Environment
from flask.ext.celery import Celery
from celery.backends.redis import RedisBackend
from wfdb.models import User
login_manager = LoginManager()
login_manager.login_view = "main.login"
principal = Principal()
admin_permission = Permission(RoleNeed('admin'))
default_permission = Permission(RoleNeed('default'))
rest_api = Api()
admin = Admin()
toolbar = DebugToolbarExtension()
cache = Cache()
assets_env = Environment()
celery = Celery()
celery.backend = RedisBackend(app=celery)
@login_manager.user_loader
def load_user(userid):
return User.query.get(userid)
from flask.ext.admin import Admin
from flask_debugtoolbar import DebugToolbarExtension
from flask.ext.cache import Cache
from flask.ext.assets import Environment
from flask.ext.celery import Celery
from celery.backends.redis import RedisBackend
from wfdb.models import User
login_manager = LoginManager()
login_manager.login_view = "main.login"
principal = Principal()
admin_permission = Permission(RoleNeed('admin'))
default_permission = Permission(RoleNeed('default'))
rest_api = Api()
admin = Admin()
toolbar = DebugToolbarExtension()
cache = Cache()
assets_env = Environment()
celery = Celery()
celery.backend = RedisBackend(app=celery)
@login_manager.user_loader
def load_user(userid):
return User.query.get(userid)
from app.etl import job
import os
import flask
from flask.ext.celery import Celery
import redis
#from .run import get_celery
from celery import Celery
celery = Celery('tasks', broker='redis://localhost:6379/0')
celery.config_from_object('celeryconfig')
@celery.task
def add(x, y):
return x + y
@celery.task()
def startjob(jobfile):
redisconn = redis.StrictRedis(host='localhost', port=6379, db=0)
j = job.Job(redisconn)
j.loadyaml(jobfile)
print "started job:" + j.name
j.execute()
def make_celery(app):
celery = Celery(app.import_name, broker=app.config['CELERY_BROKER_URL'])
from celery.utils.log import get_task_logger
from flask.ext.celery import Celery
from datetime import datetime, timedelta
import time
from app import app, db
from models import Agency, Prediction
from nextbus import Nextbus
"""
Celery is a task queue for background task processing. We're using it
for scheduled tasks, which are configured in this file.
The task execution schedule can be found/tweaked in config.py.
"""
# Create new Celery object with configured broker; get other cfg params
celery = Celery(app)
celery.conf.update(app.config)
# This wraps task execution in an app context (for db session, etc)
TaskBase = celery.Task
class ContextTask(TaskBase):
abstract = True
def __call__(self, *args, **kwargs):
with app.app_context():
return TaskBase.__call__(self, *args, **kwargs)
celery.Task = ContextTask
from celery.schedules import crontab
from flask.ext.celery import Celery
CELERYBEAT_SCHEDULE = {
# executes every night at 4:15
'every-night': {
'task': 'user.checkaccounts',
'schedule': crontab(hour=4, minute=20)
}
}
celery = Celery(www)
@celery.task(name='user.checkaccounts')
def checkaccounts():
# do something
pass
#email server config
MAIL_SERVER="smtp.gmail.com",
MAIL_PORT="587",
MAIL_USE_TLS=True,
MAIL_USE_SSL=False,
MAIL_USERNAME="******",
MAIL_PASSWORD="******",
MAIL_FAIL_SILENTLY=False)
#setup jinja2 fragment caching
app.jinja_env.fragment_cache = RedisCache(host="127.0.0.1",
default_timeout=86000)
app.jinja_env.add_extension(FragmentCacheExtension)
#connecting to celery
Celery(app)
#connect to mongohq
db.init_app(app)
#enabling markdown
Markdown(app)
#configuring flask-login
login_manager = LoginManager()
login_manager.setup_app(app)
login_manager.login_view = "other.login_required"
login_manager.session_protection
@login_manager.user_loader
"""
Instantiate all extensions used by the application here
"""
from flask.ext.sqlalchemy import SQLAlchemy
db = SQLAlchemy()
from flask_migrate import Migrate
migrate = Migrate()
from flask.ext.cache import Cache
cache = Cache(config={'CACHE_TYPE': 'redis',
'CACHE_KEY_PREFIX': 'abort_cache',
'CACHE_REDIS_URL': 'redis://localhost:6379',
'CACHE_REDIS_PORT': '6379',
'CACHE_REDIS_HOST': 'localhost'})
from flask.ext.celery import Celery
celery = Celery()
# Create the Flask-Bcrypt's instance bcrypt = Bcrypt() # Create the Flask-OpenID's instance openid = OpenID() # Create the Flask-Principal's instance principals = Principal() # Create the Flask-Restful's instance restful_api = Api() # Create the Flask-Celery-Helper's instance flask_celery = Celery() # Create the Flask-DebugToolbar's instance debug_toolbar = DebugToolbarExtension() # Create the Flask-Cache's instance cache = Cache() # Create the Flask-Admin's instance flask_admin = Admin() # Create the Flask-Mail's instance mail = Mail() # Create the Flask-Assets's instance assets_env = Environment()
