{ "info": { "author": "Grant Jenks", "author_email": "contact@grantjenks.com", "bugtrack_url": null, "classifiers": [ "Development Status :: 3 - Alpha", "Intended Audience :: Developers", "License :: OSI Approved :: Apache Software License", "Natural Language :: English", "Programming Language :: Python", "Programming Language :: Python :: 2", "Programming Language :: Python :: 2.7", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.4", "Programming Language :: Python :: 3.5", "Programming Language :: Python :: 3.6", "Programming Language :: Python :: Implementation :: CPython", "Programming Language :: Python :: Implementation :: PyPy" ], "description": "ModelQueue: Task Queue Based on Django Models\n=============================================\n\n`ModelQueue`_ is an Apache2 licensed task queue based on Django models.\n\nFor example, in appname/models.py::\n\n import modelqueue\n from django.db import models\n\n class Task(models.Model):\n data = models.TextField()\n status = modelqueue.StatusField(\n db_index=True,\n # ^-- Index for faster queries.\n default=modelqueue.Status.waiting,\n # ^-- Waiting state is ready to run.\n )\n\nAnd in appname/management/commands/process_tasks.py::\n\n import modelqueue, time\n from django.core.management.base import BaseCommand\n from .models import Task\n\n class Command(BaseCommand):\n\n def handle(self, *args, **options):\n while True:\n task = modelqueue.run(\n Task.objects.all(),\n # ^-- Queryset of models to process.\n 'status',\n # ^-- Field name for model queue.\n self.process,\n # ^-- Callable to process model.\n )\n if task is None:\n time.sleep(0.1)\n # ^-- Bring your own parallelism/concurrency.\n\n def process(self, report):\n pass # Process task models.\n\nAnd in appname/admin.py::\n\n class TaskAdmin(admin.TaskAdmin):\n list_filter = [\n modelqueue.admin_list_filter('status'),\n # ^-- Filter tasks in admin by queue state.\n ]\n\n`ModelQueue`_ is a hazardous project. It takes a bad idea and makes it easy and\neffective. You may come to regret using your database as a task queue but it\nwon't be today!\n\nTestimonials\n------------\n\n\"I didn't design relational database systems for this.\" ~ `Edgar Codd`_\n\n\"Well, at least you're using transactions.\" ~ `Jim Gray`_\n\n\"You have successfully ignored most of what's important in queueing theory.\" ~\n`Agner Erlang`_\n\n.. _`Edgar Codd`: https://en.wikipedia.org/wiki/Edgar_F._Codd\n.. _`Jim Gray`: https://en.wikipedia.org/wiki/Jim_Gray_(computer_scientist)\n.. _`Agner Erlang`: https://en.wikipedia.org/wiki/Agner_Krarup_Erlang\n\nDoes your company or website use `ModelQueue`_? Send us a `message\n`_ and let us know.\n\nFeatures\n--------\n\n- Pure-Python\n- Fully documented\n- Performance matters\n- 100% test coverage\n- Hours of stress testing\n- Developed on Python 3.6\n- Tested on Django 1.11\n- Tested on CPython 2.7, 3.4, 3.5, 3.6, PyPy and PyPy3\n- Tested on Linux, Mac OS X, and Windows\n- Tested using Travis CI and AppVeyor CI\n\n.. image:: https://api.travis-ci.org/grantjenks/django-modelqueue.svg?branch=master\n :target: http://www.grantjenks.com/docs/modelqueue/\n\n.. image:: https://ci.appveyor.com/api/projects/status/github/grantjenks/django-modelqueue?branch=master&svg=true\n :target: http://www.grantjenks.com/docs/modelqueue/\n\nQuickstart\n----------\n\nInstalling `ModelQueue`_ is simple with `pip\n`_::\n\n $ python -m pip install modelqueue\n\nYou can access documentation in the interpreter with Python's built-in help\nfunction::\n\n >>> import modelqueue\n >>> help(modelqueue)\n\nUser Guide\n----------\n\nFor those wanting more details, this part of the documentation describes\nintroduction, benchmarks, development, and API.\n\n* `ModelQueue API Reference`_\n\n.. _`ModelQueue API Reference`: http://www.grantjenks.com/docs/modelqueue/api.html\n\nReference and Indices\n---------------------\n\n* `ModelQueue Documentation`_\n* `ModelQueue at PyPI`_\n* `ModelQueue at GitHub`_\n* `ModelQueue Issue Tracker`_\n\n.. _`ModelQueue Documentation`: http://www.grantjenks.com/docs/modelqueue/\n.. _`ModelQueue at PyPI`: https://pypi.python.org/pypi/modelqueue/\n.. _`ModelQueue at GitHub`: https://github.com/grantjenks/django-modelqueue/\n.. _`ModelQueue Issue Tracker`: https://github.com/grantjenks/django-modelqueue/issues/\n\nModelQueue License\n------------------\n\nCopyright 2018 Grant Jenks\n\nLicensed under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License.\nYou may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software\ndistributed under the License is distributed on an \"AS IS\" BASIS,\nWITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\nSee the License for the specific language governing permissions and\nlimitations under the License.\n\n.. _`ModelQueue`: http://www.grantjenks.com/docs/modelqueue/\n\n\n", "description_content_type": "", "docs_url": null, "download_url": "", "downloads": { "last_day": -1, "last_month": -1, "last_week": -1 }, "home_page": "http://www.grantjenks.com/docs/modelqueue/", "keywords": "", "license": "Apache 2.0", "maintainer": "", "maintainer_email": "", "name": "modelqueue", "package_url": "https://pypi.org/project/modelqueue/", "platform": "", "project_url": "https://pypi.org/project/modelqueue/", "project_urls": { "Homepage": "http://www.grantjenks.com/docs/modelqueue/" }, "release_url": "https://pypi.org/project/modelqueue/1.0.3/", "requires_dist": null, "requires_python": "", "summary": "Task queue 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