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Ask Solem
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Sep 8, 2010
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.DS_Store | ||
*.pyc | ||
*~ | ||
.*.sw[po] | ||
dist/ | ||
*.egg-info | ||
*.egg | ||
*.egg/ | ||
doc/__build/* | ||
build/ | ||
.build/ | ||
pip-log.txt | ||
.directory | ||
erl_crash.dump | ||
*.db | ||
Documentation/ | ||
.tox/ |
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import sys | ||
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from flask import Flask, request | ||
from flaskext.celery import Celery | ||
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app = Flask(__name__) | ||
celery = Celery(app) | ||
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@celery.task(name="example.add") | ||
def add(x, y): | ||
return x + y | ||
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@app.route("/") | ||
def hello_world(x=16, y=16): | ||
x = int(request.args.get("x", x)) | ||
y = int(request.args.get("y", y)) | ||
res = add.apply_async((x, y)) | ||
context = {"id": res.task_id, "x": x, "y": y} | ||
return """Hello world: \ | ||
add(%(x)s, %(y)s) = \ | ||
<a href="/result/%(id)s">%(id)s</a>""" % context | ||
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@app.route("/result/<task_id>") | ||
def show_result(task_id): | ||
retval = add.AsyncResult(task_id).get(timeout=1.0) | ||
return repr(retval) | ||
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if __name__ == "__main__": | ||
if "-w" in sys.argv: | ||
celery.Worker().run() | ||
else: | ||
app.run(debug=True) |
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from __future__ import absolute_import | ||
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import os | ||
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from flask import g | ||
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from celery.datastructures import AttributeDict | ||
from celery.loaders import default as _default | ||
from celery.utils import get_full_cls_name | ||
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class FlaskLoader(_default.Loader): | ||
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def read_configuration(self): | ||
self.configured = True | ||
return self.setup_settings(_default.DEFAULT_UNCONFIGURED_SETTINGS) | ||
os.environ.setdefault("CELERY_LOADER", get_full_cls_name(FlaskLoader)) | ||
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class Celery(object): | ||
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def __init__(self, app): | ||
self.app = app | ||
self.conf = AttributeDict() | ||
self.app.config.setdefault("CELERY_RESULT_BACKEND", "amqp") | ||
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from celery.conf import prepare | ||
prepare(self.conf, AttributeDict(self.app.config)) | ||
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def create_task_cls(self): | ||
from celery.backends import default_backend, get_backend_cls | ||
from celery.task.base import Task | ||
conf = self.conf | ||
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class BaseFlaskTask(Task): | ||
app = self.app | ||
ignore_result = conf.IGNORE_RESULT | ||
serializer = conf.TASK_SERIALIZER | ||
rate_limit = conf.DEFAULT_RATE_LIMIT | ||
track_started = conf.TRACK_STARTED | ||
acks_late = conf.ACKS_LATE | ||
backend = get_backend_cls(conf.RESULT_BACKEND)() | ||
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@classmethod | ||
def apply_async(self, *args, **kwargs): | ||
if not kwargs.get("connection") or kwargs.get("publisher"): | ||
kwargs["connection"] = self.establish_connection( | ||
connect_timeout=kwargs.get("connect_timeout")) | ||
return super(BaseFlaskTask, self).apply_async(*args, **kwargs) | ||
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@classmethod | ||
def establish_connection(self, *args, **kwargs): | ||
from celery.messaging import establish_connection | ||
kwargs["defaults"] = conf | ||
return establish_connection(*args, **kwargs) | ||
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return BaseFlaskTask | ||
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def task(self, *args, **kwargs): | ||
from celery.decorators import task | ||
kwargs.setdefault("base", self.create_task_cls()) | ||
return task(*args, **kwargs) | ||
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def Worker(self, **kwargs): | ||
from celery.bin.celeryd import Worker | ||
kwargs["defaults"] = self.conf | ||
return Worker(loglevel="INFO", **kwargs) |
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""" | ||
Flask-Celery | ||
------------ | ||
Celery integration for Flask | ||
""" | ||
from setuptools import setup | ||
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setup( | ||
name='Flask-Celery', | ||
version='2.1', | ||
url='http://github.com/ask/flask-celery/', | ||
license='BSD', | ||
author='Ask Solem', | ||
author_email='ask@celeryproject.org', | ||
description='Celery integration for Flask', | ||
long_description=__doc__, | ||
packages=['flaskext'], | ||
namespace_packages=['flaskext'], | ||
zip_safe=False, | ||
platforms='any', | ||
install_requires=[ | ||
'Flask' | ||
], | ||
classifiers=[ | ||
'Environment :: Web Environment', | ||
'Intended Audience :: Developers', | ||
'License :: OSI Approved :: BSD License', | ||
'Operating System :: OS Independent', | ||
'Programming Language :: Python', | ||
'Topic :: Internet :: WWW/HTTP :: Dynamic Content', | ||
'Topic :: Software Development :: Libraries :: Python Modules' | ||
] | ||
) |